mojoshader.h
author Ryan C. Gordon <icculus@icculus.org>
Tue, 29 May 2012 04:58:11 -0400
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More work on sampler remapping...3D should probably default to cubemaps, etc.
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/**
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 * MojoShader; generate shader programs from bytecode of compiled
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 *  Direct3D shaders.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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#ifndef _INCL_MOJOSHADER_H_
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#define _INCL_MOJOSHADER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* You can define this if you aren't generating mojoshader_version.h */
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#ifndef MOJOSHADER_NO_VERSION_INCLUDE
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#include "mojoshader_version.h"
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#endif
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#ifndef MOJOSHADER_VERSION
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#define MOJOSHADER_VERSION -1
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#endif
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#ifndef MOJOSHADER_CHANGESET
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#define MOJOSHADER_CHANGESET "???"
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#endif
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/*
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 * For determining the version of MojoShader you are using:
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 *    const int compiled_against = MOJOSHADER_VERSION;
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 *    const int linked_against = MOJOSHADER_version();
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 *
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 * The version is a single integer that increments, not a major/minor value.
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 */
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int MOJOSHADER_version(void);
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/*
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 * For determining the revision control changeset of MojoShader you are using:
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 *    const char *compiled_against = MOJOSHADER_CHANGESET;
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 *    const char *linked_against = MOJOSHADER_changeset();
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 *
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 * The version is an arbitrary, null-terminated ASCII string. It is probably
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 *  a hash that represents a revision control changeset, and can't be
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 *  compared to any other string to determine chronology.
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 *
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 * Do not attempt to free this string; it's statically allocated.
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 */
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const char *MOJOSHADER_changeset(void);
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/*
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 * These allocators work just like the C runtime's malloc() and free()
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 *  (in fact, they probably use malloc() and free() internally if you don't
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 *  specify your own allocator, but don't rely on that behaviour).
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 * (data) is the pointer you supplied when specifying these allocator
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 *  callbacks, in case you need instance-specific data...it is passed through
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 *  to your allocator unmolested, and can be NULL if you like.
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 */
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typedef void *(*MOJOSHADER_malloc)(int bytes, void *data);
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typedef void (*MOJOSHADER_free)(void *ptr, void *data);
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/*
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 * These are enum values, but they also can be used in bitmasks, so we can
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 *  test if an opcode is acceptable: if (op->shader_types & ourtype) {} ...
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 */
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typedef enum
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{
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    MOJOSHADER_TYPE_UNKNOWN  = 0,
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    MOJOSHADER_TYPE_PIXEL    = (1 << 0),
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    MOJOSHADER_TYPE_VERTEX   = (1 << 1),
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    MOJOSHADER_TYPE_GEOMETRY = (1 << 2),  /* (not supported yet.) */
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    MOJOSHADER_TYPE_ANY = 0xFFFFFFFF   /* used for bitmasks */
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} MOJOSHADER_shaderType;
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/*
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 * Data types for vertex attribute streams.
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 */
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typedef enum
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{
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    MOJOSHADER_ATTRIBUTE_UNKNOWN = -1,  /* housekeeping; not returned. */
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    MOJOSHADER_ATTRIBUTE_BYTE,
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    MOJOSHADER_ATTRIBUTE_UBYTE,
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    MOJOSHADER_ATTRIBUTE_SHORT,
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    MOJOSHADER_ATTRIBUTE_USHORT,
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    MOJOSHADER_ATTRIBUTE_INT,
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    MOJOSHADER_ATTRIBUTE_UINT,
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    MOJOSHADER_ATTRIBUTE_FLOAT,
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    MOJOSHADER_ATTRIBUTE_DOUBLE,
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    MOJOSHADER_ATTRIBUTE_HALF_FLOAT,  /* MAYBE available in your OpenGL! */
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} MOJOSHADER_attributeType;
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/*
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 * Data types for uniforms. See MOJOSHADER_uniform for more information.
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 */
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typedef enum
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{
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    MOJOSHADER_UNIFORM_UNKNOWN = -1, /* housekeeping value; never returned. */
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    MOJOSHADER_UNIFORM_FLOAT,
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    MOJOSHADER_UNIFORM_INT,
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    MOJOSHADER_UNIFORM_BOOL,
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} MOJOSHADER_uniformType;
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/*
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 * These are the uniforms to be set for a shader. "Uniforms" are what Direct3D
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 *  calls "Constants" ... IDirect3DDevice::SetVertexShaderConstantF() would
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 *  need this data, for example. These integers are register indexes. So if
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 *  index==6 and type==MOJOSHADER_UNIFORM_FLOAT, that means we'd expect a
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 *  4-float vector to be specified for what would be register "c6" in D3D
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 *  assembly language, before drawing with the shader.
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 * (array_count) means this is an array of uniforms...this happens in some
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 *  profiles when we see a relative address ("c0[a0.x]", not the usual "c0").
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 *  In those cases, the shader was built to set some range of constant
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 *  registers as an array. You should set this array with (array_count)
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 *  elements from the constant register file, starting at (index) instead of
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 *  just a single uniform. To be extra difficult, you'll need to fill in the
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 *  correct values from the MOJOSHADER_constant data into the appropriate
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 *  parts of the array, overriding the constant register file. Fun!
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 * (constant) says whether this is a constant array; these need to be loaded
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 *  once at creation time, from the constant list and not ever updated from
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 *  the constant register file. This is a workaround for limitations in some
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 *  profiles.
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 * (name) is a profile-specific variable name; it may be NULL if it isn't
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 *  applicable to the requested profile.
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 */
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typedef struct MOJOSHADER_uniform
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{
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    MOJOSHADER_uniformType type;
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    int index;
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    int array_count;
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    int constant;
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    const char *name;
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} MOJOSHADER_uniform;
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/*
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 * These are the constants defined in a shader. These are data values
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 *  hardcoded in a shader (with the DEF, DEFI, DEFB instructions), which
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 *  override your Uniforms. This data is largely for informational purposes,
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 *  since they are compiled in and can't be changed, like Uniforms can be.
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 * These integers are register indexes. So if index==6 and
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 *  type==MOJOSHADER_UNIFORM_FLOAT, that means we'd expect a 4-float vector
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 *  to be specified for what would be register "c6" in D3D assembly language,
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 *  before drawing with the shader.
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 * (value) is the value of the constant, unioned by type.
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 */
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typedef struct MOJOSHADER_constant
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{
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    MOJOSHADER_uniformType type;
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    int index;
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    union
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    {
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        float f[4];  /* if type==MOJOSHADER_UNIFORM_FLOAT */
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        int i[4];    /* if type==MOJOSHADER_UNIFORM_INT */
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        int b;       /* if type==MOJOSHADER_UNIFORM_BOOL */
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    } value;
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} MOJOSHADER_constant;
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/*
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 * Data types for samplers. See MOJOSHADER_sampler for more information.
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 */
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typedef enum
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{
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    MOJOSHADER_SAMPLER_UNKNOWN = -1, /* housekeeping value; never returned. */
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    MOJOSHADER_SAMPLER_2D,
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    MOJOSHADER_SAMPLER_CUBE,
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    MOJOSHADER_SAMPLER_VOLUME,
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} MOJOSHADER_samplerType;
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/*
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 * These are the samplers to be set for a shader. ...
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 *  IDirect3DDevice::SetTexture() would need this data, for example.
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 * These integers are the sampler "stage". So if index==6 and
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 *  type==MOJOSHADER_SAMPLER_2D, that means we'd expect a regular 2D texture
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 *  to be specified for what would be register "s6" in D3D assembly language,
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 *  before drawing with the shader.
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 * (name) is a profile-specific variable name; it may be NULL if it isn't
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 *  applicable to the requested profile.
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 * (texbem) will be non-zero if a TEXBEM opcode references this sampler. This
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 *  is only used in legacy shaders (ps_1_1 through ps_1_3), but it needs some
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 *  special support to work, as we have to load a magic uniform behind the
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 *  scenes to support it. Most code can ignore this field in general, and no
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 *  one has to touch it unless they really know what they're doing.
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 */
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typedef struct MOJOSHADER_sampler
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{
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    MOJOSHADER_samplerType type;
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    int index;
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    const char *name;
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    int texbem;
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} MOJOSHADER_sampler;
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/*
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 * This struct is used if you have to force a sampler to a specific type.
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 *  Generally, you can ignore this, but if you have, say, a ps_1_1
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 *  shader, you might need to specify what the samplers are meant to be
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 *  to get correct results, as Shader Model 1 samples textures according
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 *  to what is bound to a sampler at the moment instead of what the shader
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 *  is hardcoded to expect.
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 */
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typedef struct MOJOSHADER_samplerMap
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{
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    int index;
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    MOJOSHADER_samplerType type;
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} MOJOSHADER_samplerMap;
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/*
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 * Data types for attributes. See MOJOSHADER_attribute for more information.
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 */
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typedef enum
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{
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    MOJOSHADER_USAGE_UNKNOWN = -1,  /* housekeeping value; never returned. */
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    MOJOSHADER_USAGE_POSITION,
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    MOJOSHADER_USAGE_BLENDWEIGHT,
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    MOJOSHADER_USAGE_BLENDINDICES,
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    MOJOSHADER_USAGE_NORMAL,
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    MOJOSHADER_USAGE_POINTSIZE,
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    MOJOSHADER_USAGE_TEXCOORD,
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    MOJOSHADER_USAGE_TANGENT,
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    MOJOSHADER_USAGE_BINORMAL,
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    MOJOSHADER_USAGE_TESSFACTOR,
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    MOJOSHADER_USAGE_POSITIONT,
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    MOJOSHADER_USAGE_COLOR,
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    MOJOSHADER_USAGE_FOG,
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    MOJOSHADER_USAGE_DEPTH,
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    MOJOSHADER_USAGE_SAMPLE,
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    MOJOSHADER_USAGE_TOTAL,  /* housekeeping value; never returned. */
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} MOJOSHADER_usage;
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/*
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 * These are the attributes to be set for a shader. "Attributes" are what
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 *  Direct3D calls "Vertex Declarations Usages" ...
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 *  IDirect3DDevice::CreateVertexDeclaration() would need this data, for
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 *  example. Each attribute is associated with an array of data that uses one
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 *  element per-vertex. So if usage==MOJOSHADER_USAGE_COLOR and index==1, that
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 *  means we'd expect a secondary color array to be bound to this shader
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 *  before drawing.
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 * (name) is a profile-specific variable name; it may be NULL if it isn't
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 *  applicable to the requested profile.
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 */
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typedef struct MOJOSHADER_attribute
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{
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    MOJOSHADER_usage usage;
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    int index;
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    const char *name;
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} MOJOSHADER_attribute;
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/*
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 * Use this if you want to specify newly-parsed code to swizzle incoming
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 *  data. This can be useful if you know, at parse time, that a shader
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 *  will be processing data on COLOR0 that should be RGBA, but you'll
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 *  be passing it a vertex array full of ARGB instead.
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 */
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typedef struct MOJOSHADER_swizzle
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{
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    MOJOSHADER_usage usage;
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    unsigned int index;
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    unsigned char swizzles[4];  /* {0,1,2,3} == .xyzw, {2,2,2,2} == .zzzz */
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} MOJOSHADER_swizzle;
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/*
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 * MOJOSHADER_symbol data.
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 *
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 * These are used to expose high-level information in shader bytecode.
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 *  They associate HLSL variables with registers. This data is used for both
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 *  debugging and optimization.
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 */
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typedef enum
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{
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    MOJOSHADER_SYMREGSET_BOOL,
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    MOJOSHADER_SYMREGSET_INT4,
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    MOJOSHADER_SYMREGSET_FLOAT4,
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    MOJOSHADER_SYMREGSET_SAMPLER,
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} MOJOSHADER_symbolRegisterSet;
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typedef enum
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{
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    MOJOSHADER_SYMCLASS_SCALAR,
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    MOJOSHADER_SYMCLASS_VECTOR,
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    MOJOSHADER_SYMCLASS_MATRIX_ROWS,
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    MOJOSHADER_SYMCLASS_MATRIX_COLUMNS,
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    MOJOSHADER_SYMCLASS_OBJECT,
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    MOJOSHADER_SYMCLASS_STRUCT,
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} MOJOSHADER_symbolClass;
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typedef enum
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{
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    MOJOSHADER_SYMTYPE_VOID,
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    MOJOSHADER_SYMTYPE_BOOL,
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    MOJOSHADER_SYMTYPE_INT,
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    MOJOSHADER_SYMTYPE_FLOAT,
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    MOJOSHADER_SYMTYPE_STRING,
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    MOJOSHADER_SYMTYPE_TEXTURE,
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    MOJOSHADER_SYMTYPE_TEXTURE1D,
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    MOJOSHADER_SYMTYPE_TEXTURE2D,
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    MOJOSHADER_SYMTYPE_TEXTURE3D,
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    MOJOSHADER_SYMTYPE_TEXTURECUBE,
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    MOJOSHADER_SYMTYPE_SAMPLER,
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    MOJOSHADER_SYMTYPE_SAMPLER1D,
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    MOJOSHADER_SYMTYPE_SAMPLER2D,
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    MOJOSHADER_SYMTYPE_SAMPLER3D,
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    MOJOSHADER_SYMTYPE_SAMPLERCUBE,
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    MOJOSHADER_SYMTYPE_PIXELSHADER,
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    MOJOSHADER_SYMTYPE_VERTEXSHADER,
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    MOJOSHADER_SYMTYPE_PIXELFRAGMENT,
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    MOJOSHADER_SYMTYPE_VERTEXFRAGMENT,
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    MOJOSHADER_SYMTYPE_UNSUPPORTED,
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} MOJOSHADER_symbolType;
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typedef struct MOJOSHADER_symbolStructMember MOJOSHADER_symbolStructMember;
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typedef struct MOJOSHADER_symbolTypeInfo
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{
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    MOJOSHADER_symbolClass parameter_class;
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    MOJOSHADER_symbolType parameter_type;
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    unsigned int rows;
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    unsigned int columns;
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    unsigned int elements;
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    unsigned int member_count;
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    MOJOSHADER_symbolStructMember *members;
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} MOJOSHADER_symbolTypeInfo;
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struct MOJOSHADER_symbolStructMember
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{
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    const char *name;
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    MOJOSHADER_symbolTypeInfo info;
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};
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typedef struct MOJOSHADER_symbol
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{
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    const char *name;
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    MOJOSHADER_symbolRegisterSet register_set;
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    unsigned int register_index;
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    unsigned int register_count;
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    MOJOSHADER_symbolTypeInfo info;
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} MOJOSHADER_symbol;
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/*
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 * These are used with MOJOSHADER_error as special case positions.
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 */
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#define MOJOSHADER_POSITION_NONE (-3)
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#define MOJOSHADER_POSITION_BEFORE (-2)
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#define MOJOSHADER_POSITION_AFTER (-1)
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typedef struct MOJOSHADER_error
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{
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    /*
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     * Human-readable error, if there is one. Will be NULL if there was no
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     *  error. The string will be UTF-8 encoded, and English only. Most of
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     *  these shouldn't be shown to the end-user anyhow.
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     */
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    const char *error;
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    /*
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     * Filename where error happened. This can be NULL if the information
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     *  isn't available.
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     */
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    const char *filename;
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    /*
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     * Position of error, if there is one. Will be MOJOSHADER_POSITION_NONE if
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     *  there was no error, MOJOSHADER_POSITION_BEFORE if there was an error
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     *  before processing started, and MOJOSHADER_POSITION_AFTER if there was
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     *  an error during final processing. If >= 0, MOJOSHADER_parse() sets
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     *  this to the byte offset (starting at zero) into the bytecode you
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     *  supplied, and MOJOSHADER_assemble(), MOJOSHADER_parseAst(), and
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     *  MOJOSHADER_compile() sets this to a a line number in the source code
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     *  you supplied (starting at one).
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     */
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    int error_position;
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} MOJOSHADER_error;
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   378
/* !!! FIXME: document me. */
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typedef enum MOJOSHADER_preshaderOpcode
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{
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    MOJOSHADER_PRESHADEROP_NOP,
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    MOJOSHADER_PRESHADEROP_MOV,
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    MOJOSHADER_PRESHADEROP_NEG,
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    MOJOSHADER_PRESHADEROP_RCP,
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    MOJOSHADER_PRESHADEROP_FRC,
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    MOJOSHADER_PRESHADEROP_EXP,
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   387
    MOJOSHADER_PRESHADEROP_LOG,
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   388
    MOJOSHADER_PRESHADEROP_RSQ,
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    MOJOSHADER_PRESHADEROP_SIN,
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    MOJOSHADER_PRESHADEROP_COS,
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    MOJOSHADER_PRESHADEROP_ASIN,
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    MOJOSHADER_PRESHADEROP_ACOS,
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   393
    MOJOSHADER_PRESHADEROP_ATAN,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   394
    MOJOSHADER_PRESHADEROP_MIN,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   395
    MOJOSHADER_PRESHADEROP_MAX,
1035
5855d767e4b2 Changed CMPLT and CMPGE to LT and GE, to match what fxc spits out.
Ryan C. Gordon <icculus@icculus.org>
parents: 1034
diff changeset
   396
    MOJOSHADER_PRESHADEROP_LT,
5855d767e4b2 Changed CMPLT and CMPGE to LT and GE, to match what fxc spits out.
Ryan C. Gordon <icculus@icculus.org>
parents: 1034
diff changeset
   397
    MOJOSHADER_PRESHADEROP_GE,
1032
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   398
    MOJOSHADER_PRESHADEROP_ADD,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   399
    MOJOSHADER_PRESHADEROP_MUL,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   400
    MOJOSHADER_PRESHADEROP_ATAN2,
1033
b72073c4820e Added DIV preshader opcode.
Ryan C. Gordon <icculus@icculus.org>
parents: 1032
diff changeset
   401
    MOJOSHADER_PRESHADEROP_DIV,
1032
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   402
    MOJOSHADER_PRESHADEROP_CMP,
1034
549f160533fa Found, I think, the final preshader opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1033
diff changeset
   403
    MOJOSHADER_PRESHADEROP_MOVC,
1032
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   404
    MOJOSHADER_PRESHADEROP_DOT,
1034
549f160533fa Found, I think, the final preshader opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1033
diff changeset
   405
    MOJOSHADER_PRESHADEROP_NOISE,
1032
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   406
    MOJOSHADER_PRESHADEROP_SCALAR_OPS,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   407
    MOJOSHADER_PRESHADEROP_MIN_SCALAR = MOJOSHADER_PRESHADEROP_SCALAR_OPS,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   408
    MOJOSHADER_PRESHADEROP_MAX_SCALAR,
1035
5855d767e4b2 Changed CMPLT and CMPGE to LT and GE, to match what fxc spits out.
Ryan C. Gordon <icculus@icculus.org>
parents: 1034
diff changeset
   409
    MOJOSHADER_PRESHADEROP_LT_SCALAR,
5855d767e4b2 Changed CMPLT and CMPGE to LT and GE, to match what fxc spits out.
Ryan C. Gordon <icculus@icculus.org>
parents: 1034
diff changeset
   410
    MOJOSHADER_PRESHADEROP_GE_SCALAR,
1032
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   411
    MOJOSHADER_PRESHADEROP_ADD_SCALAR,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   412
    MOJOSHADER_PRESHADEROP_MUL_SCALAR,
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   413
    MOJOSHADER_PRESHADEROP_ATAN2_SCALAR,
1033
b72073c4820e Added DIV preshader opcode.
Ryan C. Gordon <icculus@icculus.org>
parents: 1032
diff changeset
   414
    MOJOSHADER_PRESHADEROP_DIV_SCALAR,
1032
464f38a2fb70 Added some more preshader opcodes, cleaned up opcode handling elsewhere.
Ryan C. Gordon <icculus@icculus.org>
parents: 1030
diff changeset
   415
    MOJOSHADER_PRESHADEROP_DOT_SCALAR,
1034
549f160533fa Found, I think, the final preshader opcodes.
Ryan C. Gordon <icculus@icculus.org>
parents: 1033
diff changeset
   416
    MOJOSHADER_PRESHADEROP_NOISE_SCALAR,
1030
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   417
} MOJOSHADER_preshaderOpcode;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   418
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   419
typedef enum MOJOSHADER_preshaderOperandType
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   420
{
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   421
    MOJOSHADER_PRESHADEROPERAND_INPUT,
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   422
    MOJOSHADER_PRESHADEROPERAND_OUTPUT,
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   423
    MOJOSHADER_PRESHADEROPERAND_LITERAL,
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   424
    MOJOSHADER_PRESHADEROPERAND_TEMP,
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   425
} MOJOSHADER_preshaderOperandType;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   426
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   427
typedef struct MOJOSHADER_preshaderOperand
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   428
{
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   429
    MOJOSHADER_preshaderOperandType type;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   430
    unsigned int index;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   431
} MOJOSHADER_preshaderOperand;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   432
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   433
typedef struct MOJOSHADER_preshaderInstruction
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   434
{
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   435
    MOJOSHADER_preshaderOpcode opcode;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   436
    unsigned int element_count;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   437
    unsigned int operand_count;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   438
    MOJOSHADER_preshaderOperand operands[3];
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   439
} MOJOSHADER_preshaderInstruction;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   440
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   441
typedef struct MOJOSHADER_preshader
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   442
{
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   443
    unsigned int literal_count;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   444
    double *literals;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   445
    unsigned int temp_count;  /* scalar, not vector! */
1042
cb6659f80bb9 Export symbol information for preshaders.
Ryan C. Gordon <icculus@icculus.org>
parents: 1040
diff changeset
   446
    unsigned int symbol_count;
cb6659f80bb9 Export symbol information for preshaders.
Ryan C. Gordon <icculus@icculus.org>
parents: 1040
diff changeset
   447
    MOJOSHADER_symbol *symbols;
1030
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   448
    unsigned int instruction_count;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   449
    MOJOSHADER_preshaderInstruction *instructions;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   450
} MOJOSHADER_preshader;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   451
536
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   452
/*
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   453
 * Structure used to return data from parsing of a shader...
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   454
 */
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   455
/* !!! FIXME: most of these ints should be unsigned. */
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   456
typedef struct MOJOSHADER_parseData
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   457
{
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   458
    /*
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   459
     * The number of elements pointed to by (errors).
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   460
     */
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   461
    int error_count;
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   462
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   463
    /*
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   464
     * (error_count) elements of data that specify errors that were generated
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   465
     *  by parsing this shader.
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   466
     * This can be NULL if there were no errors or if (error_count) is zero.
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   467
     */
5af65fe6e917 Allow multiple errors from parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 524
diff changeset
   468
    MOJOSHADER_error *errors;
475
ea119c8ce5cd Added error position information to MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 470
diff changeset
   469
ea119c8ce5cd Added error position information to MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 470
diff changeset
   470
    /*
187
1c709f65cf1b Store profile string in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 148
diff changeset
   471
     * The name of the profile used to parse the shader. Will be NULL on error.
1c709f65cf1b Store profile string in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 148
diff changeset
   472
     */
1c709f65cf1b Store profile string in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 148
diff changeset
   473
    const char *profile;
1c709f65cf1b Store profile string in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 148
diff changeset
   474
1c709f65cf1b Store profile string in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 148
diff changeset
   475
    /*
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   476
     * Bytes of output from parsing. Most profiles produce a string of source
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   477
     *  code, but profiles that do binary output may not be text at all.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   478
     *  Will be NULL on error.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   479
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   480
    const char *output;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   481
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   482
    /*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   483
     * Byte count for output, not counting any null terminator. Most profiles
113
8ebf445c5305 Print output in testparse.c byte-by-byte instead of as an ASCIZ string.
Ryan C. Gordon <icculus@icculus.org>
parents: 109
diff changeset
   484
     *  produce an ASCII string of source code (which will be null-terminated
8ebf445c5305 Print output in testparse.c byte-by-byte instead of as an ASCIZ string.
Ryan C. Gordon <icculus@icculus.org>
parents: 109
diff changeset
   485
     *  even though that null char isn't included in output_len), but profiles
8ebf445c5305 Print output in testparse.c byte-by-byte instead of as an ASCIZ string.
Ryan C. Gordon <icculus@icculus.org>
parents: 109
diff changeset
   486
     *  that do binary output may not be text at all. Will be 0 on error.
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   487
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   488
    int output_len;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   489
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   490
    /*
356
8e23d7eb90d9 Better attempt at instruction counts, with official numbers from msdn.
Ryan C. Gordon <icculus@icculus.org>
parents: 354
diff changeset
   491
     * Count of Direct3D instruction slots used. This is meaningless in terms
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   492
     *  of the actual output, as the profile will probably grow or reduce
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   493
     *  the count (or for high-level languages, not have that information at
356
8e23d7eb90d9 Better attempt at instruction counts, with official numbers from msdn.
Ryan C. Gordon <icculus@icculus.org>
parents: 354
diff changeset
   494
     *  all). Also, as with Microsoft's own assembler, this value is just a
8e23d7eb90d9 Better attempt at instruction counts, with official numbers from msdn.
Ryan C. Gordon <icculus@icculus.org>
parents: 354
diff changeset
   495
     *  rough estimate, as unpredicable real-world factors make the actual
8e23d7eb90d9 Better attempt at instruction counts, with official numbers from msdn.
Ryan C. Gordon <icculus@icculus.org>
parents: 354
diff changeset
   496
     *  value vary at least a little from this count. Still, it can give you
8e23d7eb90d9 Better attempt at instruction counts, with official numbers from msdn.
Ryan C. Gordon <icculus@icculus.org>
parents: 354
diff changeset
   497
     *  a rough idea of the size of your shader. Will be zero on error.
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   498
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   499
    int instruction_count;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   500
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   501
    /*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   502
     * The type of shader we parsed. Will be MOJOSHADER_TYPE_UNKNOWN on error.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   503
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   504
    MOJOSHADER_shaderType shader_type;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   505
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   506
    /*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   507
     * The shader's major version. If this was a "vs_3_0", this would be 3.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   508
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   509
    int major_ver;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   510
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   511
    /*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   512
     * The shader's minor version. If this was a "ps_1_4", this would be 4.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   513
     *  Two notes: for "vs_2_x", this is 1, and for "vs_3_sw", this is 255.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   514
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   515
    int minor_ver;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   516
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   517
    /*
92
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   518
     * The number of elements pointed to by (uniforms).
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   519
     */
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   520
    int uniform_count;
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   521
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   522
    /*
94
57adfb4769a0 Simplifed public uniform information.
Ryan C. Gordon <icculus@icculus.org>
parents: 92
diff changeset
   523
     * (uniform_count) elements of data that specify Uniforms to be set for
57adfb4769a0 Simplifed public uniform information.
Ryan C. Gordon <icculus@icculus.org>
parents: 92
diff changeset
   524
     *  this shader. See discussion on MOJOSHADER_uniform for details.
145
5325c8d6077c Don't create unnecessary attributes.
Ryan C. Gordon <icculus@icculus.org>
parents: 113
diff changeset
   525
     * This can be NULL on error or if (uniform_count) is zero.
92
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   526
     */
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   527
    MOJOSHADER_uniform *uniforms;
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   528
100
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   529
    /*
278
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   530
     * The number of elements pointed to by (constants).
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   531
     */
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   532
    int constant_count;
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   533
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   534
    /*
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   535
     * (constant_count) elements of data that specify constants used in
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   536
     *  this shader. See discussion on MOJOSHADER_constant for details.
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   537
     * This can be NULL on error or if (constant_count) is zero.
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   538
     *  This is largely informational: constants are hardcoded into a shader.
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   539
     *  The constants that you can set like parameters are in the "uniforms"
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   540
     *  list.
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   541
     */
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   542
    MOJOSHADER_constant *constants;
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   543
5c432d216078 Report hardcoded constants in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 276
diff changeset
   544
    /*
148
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   545
     * The number of elements pointed to by (samplers).
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   546
     */
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   547
    int sampler_count;
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   548
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   549
    /*
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   550
     * (sampler_count) elements of data that specify Samplers to be set for
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   551
     *  this shader. See discussion on MOJOSHADER_sampler for details.
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   552
     * This can be NULL on error or if (sampler_count) is zero.
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   553
     */
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   554
    MOJOSHADER_sampler *samplers;
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   555
1055
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   556
    /* !!! FIXME: this should probably be "input" and not "attribute" */
148
645003ec6623 Hopefully sorted out the reported uniform/attribute mess.
Ryan C. Gordon <icculus@icculus.org>
parents: 147
diff changeset
   557
    /*
100
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   558
     * The number of elements pointed to by (attributes).
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   559
     */
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   560
    int attribute_count;
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   561
1055
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   562
    /* !!! FIXME: this should probably be "input" and not "attribute" */
100
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   563
    /*
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   564
     * (attribute_count) elements of data that specify Attributes to be set
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   565
     *  for this shader. See discussion on MOJOSHADER_attribute for details.
145
5325c8d6077c Don't create unnecessary attributes.
Ryan C. Gordon <icculus@icculus.org>
parents: 113
diff changeset
   566
     * This can be NULL on error or if (attribute_count) is zero.
100
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   567
     */
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   568
    MOJOSHADER_attribute *attributes;
2b88649b6f98 First shot at attributes reporting API.
Ryan C. Gordon <icculus@icculus.org>
parents: 97
diff changeset
   569
92
bc1bb138e855 Implemented foundation for reporting uniforms to calling app.
Ryan C. Gordon <icculus@icculus.org>
parents: 46
diff changeset
   570
    /*
1055
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   571
     * The number of elements pointed to by (outputs).
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   572
     */
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   573
    int output_count;
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   574
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   575
    /*
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   576
     * (output_count) elements of data that specify outputs this shader
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   577
     *  writes to. See discussion on MOJOSHADER_attribute for details.
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   578
     * This can be NULL on error or if (output_count) is zero.
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   579
     */
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   580
    MOJOSHADER_attribute *outputs;
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   581
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   582
    /*
450
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   583
     * The number of elements pointed to by (swizzles).
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   584
     */
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   585
    int swizzle_count;
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   586
1055
3295380ce6fc Report shader outputs in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 1043
diff changeset
   587
    /* !!! FIXME: this should probably be "input" and not "attribute" */
450
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   588
    /*
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   589
     * (swizzle_count) elements of data that specify swizzles the shader will
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   590
     *  apply to incoming attributes. This is a copy of what was passed to
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   591
     *  MOJOSHADER_parseData().
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   592
     * This can be NULL on error or if (swizzle_count) is zero.
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   593
     */
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   594
    MOJOSHADER_swizzle *swizzles;
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   595
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   596
    /*
524
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   597
     * The number of elements pointed to by (symbols).
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   598
     */
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   599
    int symbol_count;
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   600
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   601
    /*
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   602
     * (symbol_count) elements of data that specify high-level symbol data
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   603
     *  for the shader. This will be parsed from the CTAB section
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   604
     *  in bytecode, and will be a copy of what you provide to
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   605
     *  MOJOSHADER_assemble(). This data is optional.
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   606
     * This can be NULL on error or if (symbol_count) is zero.
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   607
     */
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   608
    MOJOSHADER_symbol *symbols;
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   609
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
   610
    /*
1030
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   611
     * !!! FIXME: document me.
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   612
     * This can be NULL on error or if no preshader was available.
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   613
     */
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   614
    MOJOSHADER_preshader *preshader;
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   615
a407c516e325 Initial work on preshader support.
Ryan C. Gordon <icculus@icculus.org>
parents: 1028
diff changeset
   616
    /*
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   617
     * This is the malloc implementation you passed to MOJOSHADER_parse().
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   618
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   619
    MOJOSHADER_malloc malloc;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   620
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   621
    /*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   622
     * This is the free implementation you passed to MOJOSHADER_parse().
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   623
     */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   624
    MOJOSHADER_free free;
97
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   625
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   626
    /*
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   627
     * This is the pointer you passed as opaque data for your allocator.
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   628
     */
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   629
    void *malloc_data;
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   630
} MOJOSHADER_parseData;
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   631
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   632
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   633
/*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   634
 * Profile string for Direct3D assembly language output.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   635
 */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   636
#define MOJOSHADER_PROFILE_D3D "d3d"
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   637
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   638
/*
109
48e95cf41505 Added "passthrough" profile, which just sends the bytecode through unchanged;
Ryan C. Gordon <icculus@icculus.org>
parents: 101
diff changeset
   639
 * Profile string for passthrough of the original bytecode, unchanged.
48e95cf41505 Added "passthrough" profile, which just sends the bytecode through unchanged;
Ryan C. Gordon <icculus@icculus.org>
parents: 101
diff changeset
   640
 */
469
b8cfaae6c4af Renamed "passthrough" profile to "bytecode"
Ryan C. Gordon <icculus@icculus.org>
parents: 465
diff changeset
   641
#define MOJOSHADER_PROFILE_BYTECODE "bytecode"
109
48e95cf41505 Added "passthrough" profile, which just sends the bytecode through unchanged;
Ryan C. Gordon <icculus@icculus.org>
parents: 101
diff changeset
   642
48e95cf41505 Added "passthrough" profile, which just sends the bytecode through unchanged;
Ryan C. Gordon <icculus@icculus.org>
parents: 101
diff changeset
   643
/*
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   644
 * Profile string for GLSL: OpenGL high-level shader language output.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   645
 */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   646
#define MOJOSHADER_PROFILE_GLSL "glsl"
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   647
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 284
diff changeset
   648
/*
407
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   649
 * Profile string for GLSL 1.20: minor improvements to base GLSL spec.
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   650
 */
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   651
#define MOJOSHADER_PROFILE_GLSL120 "glsl120"
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   652
620d48c5d13a Added framework for GLSL 1.20 support.
Ryan C. Gordon <icculus@icculus.org>
parents: 361
diff changeset
   653
/*
323
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 284
diff changeset
   654
 * Profile string for OpenGL ARB 1.0 shaders: GL_ARB_(vertex|fragment)_program.
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 284
diff changeset
   655
 */
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 284
diff changeset
   656
#define MOJOSHADER_PROFILE_ARB1 "arb1"
b60c88ec8182 Initial work on ARB1 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 284
diff changeset
   657
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   658
/*
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   659
 * Profile string for OpenGL ARB 1.0 shaders with Nvidia 2.0 extensions:
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   660
 *  GL_NV_vertex_program2_option and GL_NV_fragment_program2
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   661
 */
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   662
#define MOJOSHADER_PROFILE_NV2 "nv2"
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   663
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   664
/*
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   665
 * Profile string for OpenGL ARB 1.0 shaders with Nvidia 3.0 extensions:
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   666
 *  GL_NV_vertex_program3 and GL_NV_fragment_program2
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   667
 */
421
bfd3d95273ec First piece of work on nv3 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 407
diff changeset
   668
#define MOJOSHADER_PROFILE_NV3 "nv3"
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   669
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   670
/*
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   671
 * Profile string for OpenGL ARB 1.0 shaders with Nvidia 4.0 extensions:
454
70c9818840eb Happy September. Minor comment tweak.
Ryan C. Gordon <icculus@icculus.org>
parents: 450
diff changeset
   672
 *  GL_NV_gpu_program4
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   673
 */
431
0d0cbe10db02 First shot at nv4 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 422
diff changeset
   674
#define MOJOSHADER_PROFILE_NV4 "nv4"
361
9fa6652cacbd First (untested) work on nv2 profile.
Ryan C. Gordon <icculus@icculus.org>
parents: 356
diff changeset
   675
458
b91904879798 Added MOJOSHADER_maxShaderModel().
Ryan C. Gordon <icculus@icculus.org>
parents: 455
diff changeset
   676
/*
b91904879798 Added MOJOSHADER_maxShaderModel().
Ryan C. Gordon <icculus@icculus.org>
parents: 455
diff changeset
   677
 * Determine the highest supported Shader Model for a profile.
b91904879798 Added MOJOSHADER_maxShaderModel().
Ryan C. Gordon <icculus@icculus.org>
parents: 455
diff changeset
   678
 */
b91904879798 Added MOJOSHADER_maxShaderModel().
Ryan C. Gordon <icculus@icculus.org>
parents: 455
diff changeset
   679
int MOJOSHADER_maxShaderModel(const char *profile);
b91904879798 Added MOJOSHADER_maxShaderModel().
Ryan C. Gordon <icculus@icculus.org>
parents: 455
diff changeset
   680
97
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   681
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   682
/*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   683
 * Parse a compiled Direct3D shader's bytecode.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   684
 *
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   685
 * This is your primary entry point into MojoShader. You need to pass it
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   686
 *  a compiled D3D shader and tell it which "profile" you want to use to
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   687
 *  convert it into useful data.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   688
 *
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   689
 * The available profiles are the set of MOJOSHADER_PROFILE_* defines.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   690
 *  Note that MojoShader may be built without support for all listed
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   691
 *  profiles (in which case using one here will return with an error).
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   692
 *
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   693
 * As parsing requires some memory to be allocated, you may provide a custom
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   694
 *  allocator to this function, which will be used to allocate/free memory.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   695
 *  They function just like malloc() and free(). We do not use realloc().
97
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   696
 *  If you don't care, pass NULL in for the allocator functions. If your
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   697
 *  allocator needs instance-specific data, you may supply it with the
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   698
 *  (d) parameter. This pointer is passed as-is to your (m) and (f) functions.
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   699
 *
97
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   700
 * This function returns a MOJOSHADER_parseData.
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   701
 *
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   702
 * This function will never return NULL, even if the system is completely
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   703
 *  out of memory upon entry (in which case, this function returns a static
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   704
 *  MOJOSHADER_parseData object, which is still safe to pass to
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   705
 *  MOJOSHADER_freeParseData()).
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   706
 *
450
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   707
 * You can tell the generated program to swizzle certain inputs. If you know
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   708
 *  that COLOR0 should be RGBA but you're passing in ARGB, you can specify
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   709
 *  a swizzle of { MOJOSHADER_USAGE_COLOR, 0, {1,2,3,0} } to (swiz). If the
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   710
 *  input register in the code would produce reg.ywzx, that swizzle would
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   711
 *  change it to reg.wzxy ... (swiz) can be NULL.
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   712
 *
1104
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   713
 * You can force the shader to expect samplers of certain types. Generally
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   714
 *  you don't need this, as Shader Model 2 and later always specify what they
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   715
 *  expect samplers to be (2D, cubemap, etc). Shader Model 1, however, just
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   716
 *  uses whatever is bound to a given sampler at draw time, but this doesn't
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   717
 *  work in OpenGL, etc. In these cases, MojoShader will default to
1106
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   718
 *  2D texture sampling (or cubemap sampling, in cases where it makes sense,
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   719
 *  like the TEXM3X3TEX opcode), which works 75% of the time, but if you
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   720
 *  really needed something else, you'll need to specify it here. This can
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   721
 *  also be used, at your own risk, to override DCL opcodes in shaders: if
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   722
 *  the shader explicit says 2D, but you want Cubemap, for example, you can
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   723
 *  use this to override. If you aren't sure about any of this stuff, you can
2bef26cc20f9 More work on sampler remapping...3D should probably default to cubemaps, etc.
Ryan C. Gordon <icculus@icculus.org>
parents: 1104
diff changeset
   724
 *  (and should) almost certainly ignore it: (smap) can be NULL.
1104
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   725
 *
187
1c709f65cf1b Store profile string in MOJOSHADER_parseData.
Ryan C. Gordon <icculus@icculus.org>
parents: 148
diff changeset
   726
 * This function is thread safe, so long as (m) and (f) are too, and that
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   727
 *  (tokenbuf) remains intact for the duration of the call. This allows you
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   728
 *  to parse several shaders on separate CPU cores at the same time.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   729
 */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   730
const MOJOSHADER_parseData *MOJOSHADER_parse(const char *profile,
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   731
                                             const unsigned char *tokenbuf,
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   732
                                             const unsigned int bufsize,
450
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   733
                                             const MOJOSHADER_swizzle *swiz,
6a9faf398c1d Allow overriding of swizzle on vertex attributes during bytecode parsing.
Ryan C. Gordon <icculus@icculus.org>
parents: 438
diff changeset
   734
                                             const unsigned int swizcount,
1104
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   735
                                             const MOJOSHADER_samplerMap *smap,
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   736
                                             const unsigned int smapcount,
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   737
                                             MOJOSHADER_malloc m,
97
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   738
                                             MOJOSHADER_free f,
4a41e3d17297 Allow instance data to be passed to the allocator.
Ryan C. Gordon <icculus@icculus.org>
parents: 94
diff changeset
   739
                                             void *d);
46
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   740
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   741
/*
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   742
 * Call this to dispose of parsing results when you are done with them.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   743
 *  This will call the MOJOSHADER_free function you provided to
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   744
 *  MOJOSHADER_parse multiple times, if you provided one.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   745
 *  Passing a NULL here is a safe no-op.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   746
 *
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   747
 * This function is thread safe, so long as any allocator you passed into
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   748
 *  MOJOSHADER_parse() is, too.
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   749
 */
ff5a0ec44f00 [svn] Lots and lots of work on the public API.
icculus
parents: 36
diff changeset
   750
void MOJOSHADER_freeParseData(const MOJOSHADER_parseData *data);
7
18bf77bb8c07 [svn] Cleanups, split things out.
icculus
parents:
diff changeset
   751
196
5715754e5549 Initial API proposal for OpenGL glue.
Ryan C. Gordon <icculus@icculus.org>
parents: 190
diff changeset
   752
1019
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   753
/* Effects interface... */  /* !!! FIXME: THIS API IS NOT STABLE YET! */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   754
1037
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   755
typedef struct MOJOSHADER_effectParam
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   756
{
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   757
    const char *name;
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   758
    const char *semantic;
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   759
} MOJOSHADER_effectParam;
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   760
1019
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   761
typedef struct MOJOSHADER_effectState
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   762
{
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   763
    unsigned int type;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   764
} MOJOSHADER_effectState;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   765
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   766
typedef struct MOJOSHADER_effectPass
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   767
{
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   768
    const char *name;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   769
    unsigned int state_count;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   770
    MOJOSHADER_effectState *states;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   771
} MOJOSHADER_effectPass;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   772
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   773
typedef struct MOJOSHADER_effectTechnique
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   774
{
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   775
    const char *name;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   776
    unsigned int pass_count;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   777
    MOJOSHADER_effectPass *passes;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   778
} MOJOSHADER_effectTechnique;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   779
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   780
typedef struct MOJOSHADER_effectTexture
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   781
{
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   782
    unsigned int param;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   783
    const char *name;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   784
} MOJOSHADER_effectTexture;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   785
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   786
typedef struct MOJOSHADER_effectShader
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   787
{
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   788
    unsigned int technique;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   789
    unsigned int pass;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   790
    const MOJOSHADER_parseData *shader;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   791
} MOJOSHADER_effectShader;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   792
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   793
/*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   794
 * Structure used to return data from parsing of an effect file...
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   795
 */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   796
/* !!! FIXME: most of these ints should be unsigned. */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   797
typedef struct MOJOSHADER_effect
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   798
{
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   799
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   800
     * The number of elements pointed to by (errors).
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   801
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   802
    int error_count;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   803
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   804
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   805
     * (error_count) elements of data that specify errors that were generated
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   806
     *  by parsing this shader.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   807
     * This can be NULL if there were no errors or if (error_count) is zero.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   808
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   809
    MOJOSHADER_error *errors;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   810
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   811
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   812
     * The name of the profile used to parse the shader. Will be NULL on error.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   813
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   814
    const char *profile;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   815
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   816
    /*
1037
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   817
     * The number of params pointed to by (params).
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   818
     */
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   819
    int param_count;
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   820
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   821
    /*
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   822
     * (param_count) elements of data that specify parameter bind points for
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   823
     *  this effect.
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   824
     * This can be NULL on error or if (param_count) is zero.
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   825
     */
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   826
    MOJOSHADER_effectParam *params;
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   827
b102a563d9cb Filled in and fixed some stuff in the Effect parser.
Ryan C. Gordon <icculus@icculus.org>
parents: 1035
diff changeset
   828
    /*
1019
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   829
     * The number of elements pointed to by (techniques).
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   830
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   831
    int technique_count;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   832
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   833
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   834
     * (technique_count) elements of data that specify techniques used in
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   835
     *  this effect. Each technique contains a series of passes, and each pass
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   836
     *  specifies state and shaders that affect rendering.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   837
     * This can be NULL on error or if (technique_count) is zero.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   838
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   839
    MOJOSHADER_effectTechnique *techniques;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   840
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   841
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   842
     * The number of elements pointed to by (textures).
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   843
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   844
    int texture_count;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   845
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   846
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   847
     * (texture_count) elements of data that specify textures used in
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   848
     *  this effect.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   849
     * This can be NULL on error or if (texture_count) is zero.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   850
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   851
    MOJOSHADER_effectTexture *textures;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   852
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   853
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   854
     * The number of elements pointed to by (shaders).
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   855
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   856
    int shader_count;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   857
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   858
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   859
     * (shader_count) elements of data that specify shaders used in
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   860
     *  this effect.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   861
     * This can be NULL on error or if (shader_count) is zero.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   862
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   863
    MOJOSHADER_effectShader *shaders;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   864
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   865
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   866
     * This is the malloc implementation you passed to MOJOSHADER_parseEffect().
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   867
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   868
    MOJOSHADER_malloc malloc;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   869
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   870
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   871
     * This is the free implementation you passed to MOJOSHADER_parseEffect().
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   872
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   873
    MOJOSHADER_free free;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   874
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   875
    /*
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   876
     * This is the pointer you passed as opaque data for your allocator.
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   877
     */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   878
    void *malloc_data;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   879
} MOJOSHADER_effect;
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   880
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   881
/* !!! FIXME: document me. */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   882
const MOJOSHADER_effect *MOJOSHADER_parseEffect(const char *profile,
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   883
                                                const unsigned char *buf,
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   884
                                                const unsigned int _len,
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   885
                                                const MOJOSHADER_swizzle *swiz,
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   886
                                                const unsigned int swizcount,
1104
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   887
                                                const MOJOSHADER_samplerMap *smap,
9147482e1ec7 Allow sampler type remapping.
Ryan C. Gordon <icculus@icculus.org>
parents: 1090
diff changeset
   888
                                                const unsigned int smapcount,
1019
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   889
                                                MOJOSHADER_malloc m,
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   890
                                                MOJOSHADER_free f,
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   891
                                                void *d);
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   892
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   893
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   894
/* !!! FIXME: document me. */
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   895
void MOJOSHADER_freeEffect(const MOJOSHADER_effect *effect);
e8988ca01c6d Initial work on parsing binary Effects files.
Ryan C. Gordon <icculus@icculus.org>
parents: 1017
diff changeset
   896
218
d3fac270bca1 Minor comment added.
Ryan C. Gordon <icculus@icculus.org>
parents: 217
diff changeset
   897
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   898
/* Preprocessor interface... */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   899
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   900
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   901
 * Structure used to pass predefined macros. Maps to D3DXMACRO.
675
e85587e4650d Fixing some comments.
Ryan C. Gordon <icculus@icculus.org>
parents: 658
diff changeset
   902
 *  You can have macro arguments: set identifier to "a(b, c)" or whatever.
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   903
 */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   904
typedef struct MOJOSHADER_preprocessorDefine
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   905
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   906
    const char *identifier;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   907
    const char *definition;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   908
} MOJOSHADER_preprocessorDefine;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   909
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   910
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   911
 * Used with the MOJOSHADER_includeOpen callback. Maps to D3DXINCLUDE_TYPE.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   912
 */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   913
typedef enum
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   914
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   915
    MOJOSHADER_INCLUDETYPE_LOCAL,   /* local header: #include "blah.h" */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   916
    MOJOSHADER_INCLUDETYPE_SYSTEM   /* system header: #include <blah.h> */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   917
} MOJOSHADER_includeType;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   918
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   919
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   920
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   921
 * Structure used to return data from preprocessing of a shader...
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   922
 */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   923
/* !!! FIXME: most of these ints should be unsigned. */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   924
typedef struct MOJOSHADER_preprocessData
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   925
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   926
    /*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   927
     * The number of elements pointed to by (errors).
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   928
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   929
    int error_count;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   930
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   931
    /*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   932
     * (error_count) elements of data that specify errors that were generated
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   933
     *  by parsing this shader.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   934
     * This can be NULL if there were no errors or if (error_count) is zero.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   935
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   936
    MOJOSHADER_error *errors;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   937
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   938
    /*
579
e408bfc631f5 Replaced some "ASCII" comments with "UTF-8".
Ryan C. Gordon <icculus@icculus.org>
parents: 578
diff changeset
   939
     * Bytes of output from preprocessing. This is a UTF-8 string. We
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   940
     *  guarantee it to be NULL-terminated. Will be NULL on error.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   941
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   942
    const char *output;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   943
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   944
    /*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   945
     * Byte count for output, not counting any null terminator.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   946
     *  Will be 0 on error.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   947
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   948
    int output_len;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   949
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   950
    /*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   951
     * This is the malloc implementation you passed to MOJOSHADER_parse().
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   952
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   953
    MOJOSHADER_malloc malloc;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   954
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   955
    /*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   956
     * This is the free implementation you passed to MOJOSHADER_parse().
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   957
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   958
    MOJOSHADER_free free;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   959
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   960
    /*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   961
     * This is the pointer you passed as opaque data for your allocator.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   962
     */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   963
    void *malloc_data;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   964
} MOJOSHADER_preprocessData;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   965
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   966
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   967
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   968
 * This callback allows an app to handle #include statements for the
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   969
 *  preprocessor. When the preprocessor sees an #include, it will call this
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   970
 *  function to obtain the contents of the requested file. This is optional;
728
c37993f6f474 Fixed comment typo.
Ryan C. Gordon <icculus@icculus.org>
parents: 675
diff changeset
   971
 *  the preprocessor will open files directly if no callback is supplied, but
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   972
 *  this allows an app to retrieve data from something other than the
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   973
 *  traditional filesystem (for example, headers packed in a .zip file or
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   974
 *  headers generated on-the-fly).
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   975
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   976
 * This function maps to ID3DXInclude::Open()
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   977
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   978
 * (inctype) specifies the type of header we wish to include.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   979
 * (fname) specifies the name of the file specified on the #include line.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   980
 * (parent) is a string of the entire source file containing the include, in
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   981
 *  its original, not-yet-preprocessed state. Note that this is just the
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   982
 *  contents of the specific file, not all source code that the preprocessor
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   983
 *  has seen through other includes, etc.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   984
 * (outdata) will be set by the callback to a pointer to the included file's
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   985
 *  contents. The callback is responsible for allocating this however they
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   986
 *  see fit (we provide allocator functions, but you may ignore them). This
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   987
 *  pointer must remain valid until the includeClose callback runs. This
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   988
 *  string does not need to be NULL-terminated.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   989
 * (outbytes) will be set by the callback to the number of bytes pointed to
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   990
 *  by (outdata).
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   991
 * (m),(f), and (d) are the allocator details that the application passed to
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   992
 *  MojoShader. If these were NULL, MojoShader may have replaced them with its
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   993
 *  own internal allocators.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   994
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   995
 * The callback returns zero on error, non-zero on success.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   996
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   997
 * If you supply an includeOpen callback, you must supply includeClose, too.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   998
 */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
   999
typedef int (*MOJOSHADER_includeOpen)(MOJOSHADER_includeType inctype,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1000
                            const char *fname, const char *parent,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1001
                            const char **outdata, unsigned int *outbytes,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1002
                            MOJOSHADER_malloc m, MOJOSHADER_free f, void *d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1003
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1004
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1005
 * This callback allows an app to clean up the results of a previous
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1006
 *  includeOpen callback.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1007
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1008
 * This function maps to ID3DXInclude::Close()
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1009
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1010
 * (data) is the data that was returned from a previous call to includeOpen.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1011
 *  It is now safe to deallocate this data.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1012
 * (m),(f), and (d) are the same allocator details that were passed to your
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1013
 *  includeOpen callback.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1014
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1015
 * If you supply an includeClose callback, you must supply includeOpen, too.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1016
 */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1017
typedef void (*MOJOSHADER_includeClose)(const char *data,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1018
                            MOJOSHADER_malloc m, MOJOSHADER_free f, void *d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1019
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1020
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1021
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1022
 * This function is optional. Even if you are dealing with shader source
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1023
 *  code, you don't need to explicitly use the preprocessor, as the compiler
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1024
 *  and assembler will use it behind the scenes. In fact, you probably never
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1025
 *  need this function unless you are debugging a custom tool (or debugging
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1026
 *  MojoShader itself).
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1027
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1028
 * Preprocessing roughly follows the syntax of an ANSI C preprocessor, as
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1029
 *  Microsoft's Direct3D assembler and HLSL compiler use this syntax. Please
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1030
 *  note that we try to match the output you'd get from Direct3D's
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1031
 *  preprocessor, which has some quirks if you're expecting output that matches
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1032
 *  a generic C preprocessor.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1033
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1034
 * This function maps to D3DXPreprocessShader().
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1035
 *
578
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1036
 * (filename) is a NULL-terminated UTF-8 filename. It can be NULL. We do not
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1037
 *  actually access this file, as we obtain our data from (source). This
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1038
 *  string is copied when we need to report errors while processing (source),
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1039
 *  as opposed to errors in a file referenced via the #include directive in
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1040
 *  (source). If this is NULL, then errors will report the filename as NULL,
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1041
 *  too.
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1042
 *
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1043
 * (source) is an string of UTF-8 text to preprocess. It does not need to be
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1044
 *  NULL-terminated.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1045
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1046
 * (sourcelen) is the length of the string pointed to by (source), in bytes.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1047
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1048
 * (defines) points to (define_count) preprocessor definitions, and can be
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1049
 *  NULL. These are treated by the preprocessor as if the source code started
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1050
 *  with one #define for each entry you pass in here.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1051
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1052
 * (include_open) and (include_close) let the app control the preprocessor's
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1053
 *  behaviour for #include statements. Both are optional and can be NULL, but
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1054
 *  both must be specified if either is specified.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1055
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1056
 * This will return a MOJOSHADER_preprocessorData. You should pass this
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1057
 *  return value to MOJOSHADER_freePreprocessData() when you are done with
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1058
 *  it.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1059
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1060
 * This function will never return NULL, even if the system is completely
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1061
 *  out of memory upon entry (in which case, this function returns a static
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1062
 *  MOJOSHADER_preprocessData object, which is still safe to pass to
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1063
 *  MOJOSHADER_freePreprocessData()).
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1064
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1065
 * As preprocessing requires some memory to be allocated, you may provide a
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1066
 *  custom allocator to this function, which will be used to allocate/free
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1067
 *  memory. They function just like malloc() and free(). We do not use
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1068
 *  realloc(). If you don't care, pass NULL in for the allocator functions.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1069
 *  If your allocator needs instance-specific data, you may supply it with the
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1070
 *  (d) parameter. This pointer is passed as-is to your (m) and (f) functions.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1071
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1072
 * This function is thread safe, so long as the various callback functions
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1073
 *  are, too, and that the parameters remains intact for the duration of the
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1074
 *  call. This allows you to preprocess several shaders on separate CPU cores
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1075
 *  at the same time.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1076
 */
578
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1077
const MOJOSHADER_preprocessData *MOJOSHADER_preprocess(const char *filename,
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1078
                             const char *source, unsigned int sourcelen,
658
22695d3d6b98 Should be an array of structs, not an array of pointers to structs.
Ryan C. Gordon <icculus@icculus.org>
parents: 592
diff changeset
  1079
                             const MOJOSHADER_preprocessorDefine *defines,
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1080
                             unsigned int define_count,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1081
                             MOJOSHADER_includeOpen include_open,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1082
                             MOJOSHADER_includeClose include_close,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1083
                             MOJOSHADER_malloc m, MOJOSHADER_free f, void *d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1084
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1085
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1086
/*
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1087
 * Call this to dispose of preprocessing results when you are done with them.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1088
 *  This will call the MOJOSHADER_free function you provided to
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1089
 *  MOJOSHADER_preprocess() multiple times, if you provided one.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1090
 *  Passing a NULL here is a safe no-op.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1091
 *
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1092
 * This function is thread safe, so long as any allocator you passed into
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1093
 *  MOJOSHADER_preprocess() is, too.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1094
 */
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1095
void MOJOSHADER_freePreprocessData(const MOJOSHADER_preprocessData *data);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1096
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents: 552
diff changeset
  1097
465
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1098
/* Assembler interface... */
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1099
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1100
/*
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1101
 * This function is optional. Use this to convert Direct3D shader assembly
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1102
 *  language into bytecode, which can be handled by MOJOSHADER_parse().
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1103
 *
578
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1104
 * (filename) is a NULL-terminated UTF-8 filename. It can be NULL. We do not
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1105
 *  actually access this file, as we obtain our data from (source). This
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1106
 *  string is copied when we need to report errors while processing (source),
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1107
 *  as opposed to errors in a file referenced via the #include directive in
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1108
 *  (source). If this is NULL, then errors will report the filename as NULL,
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1109
 *  too.
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1110
 *
6c8f73c845e7 Allow app to specify a base filename for error messages.
Ryan C. Gordon <icculus@icculus.org>
parents: 562
diff changeset
  1111
 * (source) is an UTF-8 string of valid Direct3D shader assembly source code.
562
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1112
 *  It does not need to be NULL-terminated.
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1113
 *
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1114
 * (sourcelen) is the length of the string pointed to by (source), in bytes.
465
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1115
 *
579
e408bfc631f5 Replaced some "ASCII" comments with "UTF-8".
Ryan C. Gordon <icculus@icculus.org>
parents: 578
diff changeset
  1116
 * (comments) points to (comment_count) NULL-terminated UTF-8 strings, and
524
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1117
 *  can be NULL. These strings are inserted as comments in the bytecode.
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1118
 *
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1119
 * (symbols) points to (symbol_count) symbol structs, and can be NULL. These
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1120
 *  become a CTAB field in the bytecode. This is optional, but
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1121
 *  MOJOSHADER_parse() needs CTAB data for all arrays used in a program, or
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1122
 *  relative addressing will not be permitted, so you'll want to at least
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1123
 *  provide symbol information for those. The symbol data is 100% trusted
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1124
 *  at this time; it will not be checked to see if it matches what was
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1125
 *  assembled in any way whatsoever.
03eea2f0762c First (incomplete!) shot at more robust CTAB support.
Ryan C. Gordon <icculus@icculus.org>
parents: 523
diff changeset
  1126
 *
562
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1127
 * (defines) points to (define_count) preprocessor definitions, and can be
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1128
 *  NULL. These are treated by the preprocessor as if the source code started
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1129
 *  with one #define for each entry you pass in here.
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1130
 *
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1131
 * (include_open) and (include_close) let the app control the preprocessor's
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1132
 *  behaviour for #include statements. Both are optional and can be NULL, but
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1133
 *  both must be specified if either is specified.
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1134
 *
c9a2bc5129c9 First shot at reworking assembly parser to use preprocessor/lexer.
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
  1135
 * This will return a MOJOSHADER_parseData, like MOJOSHADER_parse() would,
470
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1136
 *  except the profile will be MOJOSHADER_PROFILE_BYTECODE and the output
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1137
 *  will be the assembled bytecode instead of some other language. This output
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1138
 *  can be pushed back through MOJOSHADER_parseData() with a different profile.
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1139
 *
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1140
 * This function will never return NULL, even if the system is completely
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1141
 *  out of memory upon entry (in which case, this function returns a static
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1142
 *  MOJOSHADER_parseData object, which is still safe to pass to
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1143
 *  MOJOSHADER_freeParseData()).
7d84d3452125 Bunch More Work on the assembler.
Ryan C. Gordon <icculus@icculus.org>
parents: 469
diff changeset
  1144
 *
465
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1145
 * As assembling requires some memory to be allocated, you may provide a
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gordon <icculus@icculus.org>
parents: 462
diff changeset
  1146
 *  custom allocator to this function, which will be used to allocate/free
0a75f98f785b Initial work on assembler. Not even close to done.
Ryan C. Gor