/
mojoshader.c
2405 lines (1979 loc) · 67 KB
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/**
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* MojoShader; generate shader programs from bytecode of compiled
* Direct3D shaders.
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*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
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// !!! FIXME: I keep changing coding styles for symbols and typedefs.
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// !!! FIXME: do DEF* and DCL_* opcodes have to come before instructions?
// !!! FIXME: my reading of the msdn spec suggests no.
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// Shader bytecode format is described at MSDN:
// http://msdn2.microsoft.com/en-us/library/ms800307.aspx
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <assert.h>
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#include "mojoshader.h"
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// This is the highest shader version we currently support.
#define MAX_SHADER_MAJOR 3
#define MAX_SHADER_MINOR 0
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// You get all the profiles unless you go out of your way to disable them.
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#ifndef SUPPORT_PROFILE_D3D
#define SUPPORT_PROFILE_D3D 1
#endif
#ifndef SUPPORT_PROFILE_GLSL
#define SUPPORT_PROFILE_GLSL 1
#endif
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// Get basic wankery out of the way here...
typedef unsigned int uint; // this is a printf() helper. don't use for code.
typedef uint8_t uint8;
typedef uint32_t uint32;
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typedef int32_t int32;
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#ifdef __GNUC__
#define ISPRINTF(x,y) __attribute__((format (printf, x, y)))
#else
#define ISPRINTF(x,y)
#endif
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#define STATICARRAYLEN(x) ( (sizeof ((x))) / (sizeof ((x)[0])) )
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// Byteswap magic...
#if ((defined __GNUC__) && (defined __POWERPC__))
static inline uint32 SWAP32(uint32 x)
{
__asm__ __volatile__("lwbrx %0,0,%1" : "=r" (x) : "r" (&x));
return x;
} // SWAP32
#elif defined(__POWERPC__)
static inline uint32 SWAP32(uint32 x)
{
return ( (((x) >> 24) & 0x000000FF) | (((x) >> 8) & 0x0000FF00) |
(((x) << 8) & 0x00FF0000) | (((x) << 24) & 0xFF000000) );
} // SWAP32
#else
# define SWAP32(x) (x)
#endif
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// Shader model version magic.
static inline uint32 ver_ui32(const uint8 major, const uint8 minor)
{
return ( (((uint32) major) << 16) | (((minor) == 0xFF) ? 0 : (minor)) );
} // version_ui32
#define SHADER_VERSION_SUPPORTED(maj, min) \
(ver_ui32(maj, min) <= ver_ui32(MAX_SHADER_MAJOR, MAX_SHADER_MINOR))
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// predeclare.
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typedef struct Context Context;
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// one emit function for each opcode in each profile.
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typedef void (*emit_function)(Context *ctx);
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// one emit function for comments in each profile.
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typedef void (*emit_comment)(Context *ctx, const char *str);
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// one emit function for starting output in each profile.
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typedef void (*emit_start)(Context *ctx);
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// one emit function for ending output in each profile.
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typedef void (*emit_end)(Context *ctx);
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// one args function for each possible sequence of opcode arguments.
typedef int (*args_function)(Context *ctx);
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// one state function for each opcode where we have state machine updates.
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typedef int (*state_function)(Context *ctx);
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typedef struct
{
const char *name;
emit_start start_emitter;
emit_end end_emitter;
emit_comment comment_emitter;
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} Profile;
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typedef enum
{
SHADER_TYPE_UNKNOWN = -1,
SHADER_TYPE_PIXEL,
SHADER_TYPE_VERTEX,
SHADER_TYPE_TOTAL
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} ShaderType;
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typedef enum
{
REGISTER_TYPE_TEMP = 0,
REGISTER_TYPE_INPUT = 1,
REGISTER_TYPE_CONST = 2,
REGISTER_TYPE_ADDR = 3,
REGISTER_TYPE_TEXTURE = 3, // ALSO 3!
REGISTER_TYPE_RASTOUT = 4,
REGISTER_TYPE_ATTROUT = 5,
REGISTER_TYPE_TEXCRDOUT = 6,
REGISTER_TYPE_OUTPUT = 6, // ALSO 6!
REGISTER_TYPE_CONSTINT = 7,
REGISTER_TYPE_COLOROUT = 8,
REGISTER_TYPE_DEPTHOUT = 9,
REGISTER_TYPE_SAMPLER = 10,
REGISTER_TYPE_CONST2 = 11,
REGISTER_TYPE_CONST3 = 12,
REGISTER_TYPE_CONST4 = 13,
REGISTER_TYPE_CONSTBOOL = 14,
REGISTER_TYPE_LOOP = 15,
REGISTER_TYPE_TEMPFLOAT16 = 16,
REGISTER_TYPE_MISCTYPE = 17,
REGISTER_TYPE_LABEL = 18,
REGISTER_TYPE_PREDICATE = 19,
REGISTER_TYPE_MAX = 19
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} RegisterType;
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typedef enum
{
RASTOUT_TYPE_POSITION = 0,
RASTOUT_TYPE_FOG = 1,
RASTOUT_TYPE_POINT_SIZE = 2,
RASTOUT_TYPE_MAX = 2
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} RastOutType;
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typedef enum
{
MISCTYPE_TYPE_POSITION = 0,
MISCTYPE_TYPE_FACE = 1,
MISCTYPE_TYPE_MAX = 1
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} MiscTypeType;
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typedef enum
{
DECLUSAGE_POSITION = 0,
DECLUSAGE_BLENDWEIGHT = 1,
DECLUSAGE_BLENDINDICES = 2,
DECLUSAGE_NORMAL = 3,
DECLUSAGE_PSIZE = 4,
DECLUSAGE_TEXCOORD = 5,
DECLUSAGE_TANGENT = 6,
DECLUSAGE_BINORMAL = 7,
DECLUSAGE_TESSFACTOR = 8,
DECLUSAGE_POSITIONT = 9,
DECLUSAGE_COLOR = 10,
DECLUSAGE_FOG = 11,
DECLUSAGE_DEPTH = 12,
DECLUSAGE_SAMPLE = 13
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} DeclUsageType;
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typedef enum
{
TEXTURE_TYPE_2D = 2,
TEXTURE_TYPE_CUBE = 3,
TEXTURE_TYPE_VOLUME = 4,
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} TextureType;
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// A simple linked list of strings, so we can build the final output without
// realloc()ing for each new line, and easily insert lines into the middle
// of the output without much trouble.
typedef struct OutputList
{
char *str;
struct OutputList *next;
} OutputList;
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// result modifiers.
#define MOD_SATURATE 0x01
#define MOD_PP 0x02
#define MOD_CENTROID 0x04
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// source modifiers.
typedef enum
{
SRCMOD_NONE,
SRCMOD_NEGATE,
SRCMOD_BIAS,
SRCMOD_BIASNEGATE,
SRCMOD_SIGN,
SRCMOD_SIGNNEGATE,
SRCMOD_COMPLEMENT,
SRCMOD_X2,
SRCMOD_X2NEGATE,
SRCMOD_DZ,
SRCMOD_DW,
SRCMOD_ABS,
SRCMOD_ABSNEGATE,
SRCMOD_NOT,
SRCMOD_TOTAL
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} SourceMod;
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typedef struct
{
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const uint32 *token; // this is the unmolested token in the stream.
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int regnum;
int relative;
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int writemask; // xyzw or rgba (all four, not split out).
int writemask0; // x or red
int writemask1; // y or green
int writemask2; // z or blue
int writemask3; // w or alpha
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int result_mod;
int result_shift;
int regtype;
} DestArgInfo;
typedef struct
{
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const uint32 *token; // this is the unmolested token in the stream.
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int regnum;
int relative;
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int swizzle; // xyzw (all four, not split out).
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int swizzle_x;
int swizzle_y;
int swizzle_z;
int swizzle_w;
int src_mod;
int regtype;
} SourceArgInfo;
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#define SCRATCH_BUFFER_SIZE 256
#define SCRATCH_BUFFERS 10
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// Context...this is state that changes as we parse through a shader...
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struct Context
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{
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MOJOSHADER_malloc malloc;
MOJOSHADER_free free;
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const uint32 *tokens;
uint32 tokencount;
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OutputList output;
OutputList *output_tail;
int output_len; // total strlen; prevents walking the list just to malloc.
const char *endline;
int endline_len;
const char *failstr;
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char scratch[SCRATCH_BUFFERS][SCRATCH_BUFFER_SIZE];
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int scratchidx; // current scratch buffer.
int profileid;
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const Profile *profile;
ShaderType shader_type;
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uint32 major_ver;
uint32 minor_ver;
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DestArgInfo dest_args[1];
SourceArgInfo source_args[4];
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uint32 dwords[4];
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uint32 instruction_count;
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uint32 instruction_controls;
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};
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static inline char *get_scratch_buffer(Context *ctx)
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{
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ctx->scratchidx = (ctx->scratchidx + 1) % SCRATCH_BUFFERS;
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return ctx->scratch[ctx->scratchidx];
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} // get_scratch_buffer
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// Special-case return values from the parsing pipeline...
#define FAIL (-1)
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#define END_OF_STREAM (-2)
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static const char *out_of_mem_string = "Out of memory";
static inline int out_of_memory(Context *ctx)
{
if (ctx->failstr == NULL)
ctx->failstr = out_of_mem_string; // fail() would call malloc().
return FAIL;
} // out_of_memory
static int failf(Context *ctx, const char *fmt, ...) ISPRINTF(2,3);
static int failf(Context *ctx, const char *fmt, ...)
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{
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if (ctx->failstr == NULL) // don't change existing error.
{
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char *scratch = get_scratch_buffer(ctx);
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va_list ap;
va_start(ap, fmt);
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const int len = vsnprintf(scratch,SCRATCH_BUFFER_SIZE,fmt,ap);
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va_end(ap);
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char *failstr = (char *) ctx->malloc(len + 1);
if (failstr == NULL)
out_of_memory(ctx);
else
{
// see comments about scratch buffer overflow in output_line().
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if (len < SCRATCH_BUFFER_SIZE)
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strcpy(failstr, scratch); // copy it over.
else
{
va_start(ap, fmt);
vsnprintf(failstr, len + 1, fmt, ap); // rebuild it.
va_end(ap);
} // else
ctx->failstr = failstr;
} // else
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} // if
return FAIL;
} // failf
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static inline int fail(Context *ctx, const char *reason)
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{
return failf(ctx, "%s", reason);
} // fail
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static int output_line(Context *ctx, const char *fmt, ...) ISPRINTF(2,3);
static int output_line(Context *ctx, const char *fmt, ...)
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{
if (ctx->failstr != NULL)
return FAIL; // we failed previously, don't go on...
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OutputList *item = (OutputList *) ctx->malloc(sizeof (OutputList));
if (item == NULL)
return out_of_memory(ctx);
char *scratch = get_scratch_buffer(ctx);
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va_list ap;
va_start(ap, fmt);
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const int len = vsnprintf(scratch, SCRATCH_BUFFER_SIZE, fmt, ap);
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va_end(ap);
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item->str = (char *) ctx->malloc(len + 1);
if (item->str == NULL)
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{
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free(item);
return out_of_memory(ctx);
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} // if
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// If we overflowed our scratch buffer, that's okay. We were going to
// allocate anyhow...the scratch buffer just lets us avoid a second
// run of vsnprintf().
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if (len < SCRATCH_BUFFER_SIZE)
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strcpy(item->str, scratch); // copy it over.
else
{
va_start(ap, fmt);
vsnprintf(item->str, len + 1, fmt, ap); // rebuild it.
va_end(ap);
} // else
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item->next = NULL;
ctx->output_tail->next = item;
ctx->output_tail = item;
ctx->output_len += len + ctx->endline_len;
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return 0;
} // output_line
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// if SUPPORT_PROFILE_* isn't defined, we assume an implicit desire to support.
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#define AT_LEAST_ONE_PROFILE 0
#if !SUPPORT_PROFILE_D3D
#define PROFILE_EMITTER_D3D(op)
#else
#undef AT_LEAST_ONE_PROFILE
#define AT_LEAST_ONE_PROFILE 1
#define PROFILE_EMITTER_D3D(op) emit_D3D_##op,
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static const char *get_D3D_register_string(Context *ctx,
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RegisterType regtype,
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int regnum, char *regnum_str,
size_t regnum_size)
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{
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const char *retval = NULL;
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int has_number = 1;
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switch (regtype)
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{
case REGISTER_TYPE_TEMP:
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retval = "r";
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break;
case REGISTER_TYPE_INPUT:
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retval = "v";
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break;
case REGISTER_TYPE_CONST:
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retval = "c";
break;
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case REGISTER_TYPE_CONST2:
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retval = "c";
regnum += 2048;
break;
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case REGISTER_TYPE_CONST3:
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retval = "c";
regnum += 4096;
break;
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case REGISTER_TYPE_CONST4:
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retval = "c";
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regnum += 6144;
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break;
case REGISTER_TYPE_ADDR: // (or REGISTER_TYPE_TEXTURE, same value.)
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retval = (ctx->shader_type == SHADER_TYPE_VERTEX) ? "a" : "t";
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break;
case REGISTER_TYPE_RASTOUT:
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switch ((RastOutType) regnum)
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{
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case RASTOUT_TYPE_POSITION: retval = "oPos"; break;
case RASTOUT_TYPE_FOG: retval = "oFog"; break;
case RASTOUT_TYPE_POINT_SIZE: retval = "oPts"; break;
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} // switch
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has_number = 0;
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break;
case REGISTER_TYPE_ATTROUT:
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retval = "oD";
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break;
case REGISTER_TYPE_TEXCRDOUT: // (or REGISTER_TYPE_OUTPUT, same value.)
if ((ctx->shader_type==SHADER_TYPE_VERTEX) && (ctx->major_ver>=3))
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retval = "o";
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else
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retval = "oT";
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break;
case REGISTER_TYPE_CONSTINT:
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retval = "i";
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break;
case REGISTER_TYPE_COLOROUT:
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retval = "oC";
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break;
case REGISTER_TYPE_DEPTHOUT:
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retval = "oDepth";
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has_number = 0;
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break;
case REGISTER_TYPE_SAMPLER:
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retval = "s";
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break;
case REGISTER_TYPE_CONSTBOOL:
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retval = "b";
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break;
case REGISTER_TYPE_LOOP:
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retval = "aL";
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has_number = 0;
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break;
// !!! FIXME: don't know what the asm string is for this..
// case REGISTER_TYPE_TEMPFLOAT16:
case REGISTER_TYPE_MISCTYPE:
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switch ((MiscTypeType) regnum)
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{
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case MISCTYPE_TYPE_POSITION: retval = "vPos"; break;
case MISCTYPE_TYPE_FACE: retval = "vFace"; break;
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} // switch
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has_number = 0;
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break;
case REGISTER_TYPE_LABEL:
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retval = "l";
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break;
case REGISTER_TYPE_PREDICATE:
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retval = "p";
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break;
} // switch
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if (has_number)
snprintf(regnum_str, regnum_size, "%u", (uint) regnum);
else
regnum_str[0] = '\0';
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return retval;
} // get_D3D_register_string
static char *make_D3D_destarg_string(Context *ctx, const int idx)
{
if (idx >= STATICARRAYLEN(ctx->dest_args))
{
fail(ctx, "Too many destination args");
return "";
} // if
const DestArgInfo *arg = &ctx->dest_args[idx];
const char *result_shift_str = "";
switch (arg->result_shift)
{
case 0x1: result_shift_str = "_x2"; break;
case 0x2: result_shift_str = "_x4"; break;
case 0x3: result_shift_str = "_x8"; break;
case 0xD: result_shift_str = "_d8"; break;
case 0xE: result_shift_str = "_d4"; break;
case 0xF: result_shift_str = "_d2"; break;
} // switch
const char *sat_str = (arg->result_mod & MOD_SATURATE) ? "_sat" : "";
const char *pp_str = (arg->result_mod & MOD_PP) ? "_pp" : "";
const char *cent_str = (arg->result_mod & MOD_CENTROID) ? "_centroid" : "";
char regnum_str[16];
const char *regtype_str = get_D3D_register_string(ctx,
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(RegisterType) arg->regtype,
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arg->regnum, regnum_str,
sizeof (regnum_str));
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if (regtype_str == NULL)
{
fail(ctx, "Unknown destination register type.");
return "";
} // if
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char writemask_str[6];
int i = 0;
if (arg->writemask != 0xF) // 0xF == 1111. No explicit mask.
{
writemask_str[i++] = '.';
if (arg->writemask0) writemask_str[i++] = 'x';
if (arg->writemask1) writemask_str[i++] = 'y';
if (arg->writemask2) writemask_str[i++] = 'z';
if (arg->writemask3) writemask_str[i++] = 'w';
} // if
writemask_str[i] = '\0';
assert(i < sizeof (writemask_str));
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// may turn out something like "_x2_sat_pp_centroid r0.xyzw" ...
char *retval = get_scratch_buffer(ctx);
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snprintf(retval, SCRATCH_BUFFER_SIZE, "%s%s%s%s %s%s%s",
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result_shift_str, sat_str, pp_str, cent_str,
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regtype_str, regnum_str, writemask_str);
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return retval;
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} // make_D3D_destarg_string
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static char *make_D3D_sourcearg_string(Context *ctx, const int idx)
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{
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if (idx >= STATICARRAYLEN(ctx->source_args))
{
fail(ctx, "Too many source args");
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return "";
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} // if
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const SourceArgInfo *arg = &ctx->source_args[idx];
const char *premod_str = "";
const char *postmod_str = "";
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switch ((SourceMod) arg->src_mod)
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{
case SRCMOD_NEGATE:
premod_str = "-";
break;
case SRCMOD_BIASNEGATE:
premod_str = "-";
// fall through.
case SRCMOD_BIAS:
postmod_str = "_bias";
break;
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case SRCMOD_SIGNNEGATE:
premod_str = "-";
// fall through.
case SRCMOD_SIGN:
postmod_str = "_bx2";
break;
case SRCMOD_COMPLEMENT:
premod_str = "1-";
break;
case SRCMOD_X2NEGATE:
premod_str = "-";
// fall through.
case SRCMOD_X2:
postmod_str = "_x2";
break;
case SRCMOD_DZ:
postmod_str = "_dz";
break;
case SRCMOD_DW:
postmod_str = "_dw";
break;
case SRCMOD_ABSNEGATE:
premod_str = "-";
// fall through.
case SRCMOD_ABS:
postmod_str = "_abs";
break;
case SRCMOD_NOT:
premod_str = "!";
break;
} // switch
char regnum_str[16];
const char *regtype_str = get_D3D_register_string(ctx,
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(RegisterType) arg->regtype,
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arg->regnum, regnum_str,
sizeof (regnum_str));
if (regtype_str == NULL)
{
fail(ctx, "Unknown source register type.");
return "";
} // if
char swizzle_str[6];
int i = 0;
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if (arg->swizzle != 0xE4) // 0xE4 == 11100100 ... 3 2 1 0. No swizzle.
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{
static const char channel[] = { 'x', 'y', 'z', 'w' };
swizzle_str[i++] = '.';
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swizzle_str[i++] = channel[arg->swizzle_x];
swizzle_str[i++] = channel[arg->swizzle_y];
swizzle_str[i++] = channel[arg->swizzle_z];
swizzle_str[i++] = channel[arg->swizzle_w];
// .xyzz is the same as .xyz, .z is the same as .zzzz, etc.
while (swizzle_str[i-1] == swizzle_str[i-2])
i--;
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} // if
swizzle_str[i] = '\0';
assert(i < sizeof (swizzle_str));
char *retval = get_scratch_buffer(ctx);
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snprintf(retval, SCRATCH_BUFFER_SIZE, "%s%s%s%s",
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premod_str, regtype_str, postmod_str, swizzle_str);
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return retval;
679
} // make_D3D_sourcearg_string
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static void emit_D3D_start(Context *ctx)
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{
const uint major = (uint) ctx->major_ver;
const uint minor = (uint) ctx->minor_ver;
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const char *shadertype_str = NULL;
char minor_str[16];
if (minor == 0xFF)
strcpy(minor_str, "sw");
else if (minor == 0x1) // apparently this is "vs_2_x". Weird.
strcpy(minor_str, "x");
else
snprintf(minor_str, sizeof (minor_str), "%u", (uint) minor);
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if (ctx->shader_type == SHADER_TYPE_PIXEL)
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shadertype_str = "ps";
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else if (ctx->shader_type == SHADER_TYPE_VERTEX)
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shadertype_str = "vs";
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else
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{
failf(ctx, "Shader type %u unsupported in this profile.",
(uint) ctx->shader_type);
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return;
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} // else
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output_line(ctx, "%s_%u_%s", shadertype_str, major, minor_str);
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} // emit_D3D_start
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static void emit_D3D_end(Context *ctx)
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{
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output_line(ctx, "end");
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} // emit_D3D_end
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static void emit_D3D_comment(Context *ctx, const char *str)
718
{
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output_line(ctx, "; %s", str);
} // emit_D3D_comment
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static void emit_D3D_RESERVED(Context *ctx)
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{
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// do nothing; fails in the state machine.
} // emit_D3D_RESERVED
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// Generic D3D opcode emitters. A list of macros generate all the entry points
// that call into these...
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static char *lowercase(char *dst, const char *src)
{
int i = 0;
do
{
const char ch = src[i];
dst[i] = (((ch >= 'A') && (ch <= 'Z')) ? (ch - ('A' - 'a')) : ch);
} while (src[i++]);
return dst;
} // lowercase
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static void emit_D3D_opcode_d(Context *ctx, const char *opcode)
745
{
746
const char *dst0 = make_D3D_destarg_string(ctx, 0);
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opcode = lowercase(get_scratch_buffer(ctx), opcode);
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output_line(ctx, "%s%s", opcode, dst0);
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} // emit_D3D_opcode_d
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static void emit_D3D_opcode_s(Context *ctx, const char *opcode)
753
{
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const char *src0 = make_D3D_destarg_string(ctx, 0);
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opcode = lowercase(get_scratch_buffer(ctx), opcode);
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output_line(ctx, "%s %s", opcode, src0);
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} // emit_D3D_opcode_s
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static void emit_D3D_opcode_ss(Context *ctx, const char *opcode)
761
{
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const char *src0 = make_D3D_sourcearg_string(ctx, 0);
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
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opcode = lowercase(get_scratch_buffer(ctx), opcode);
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output_line(ctx, "%s %s, %s", opcode, src0, src1);
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} // emit_D3D_opcode_s
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static void emit_D3D_opcode_ds(Context *ctx, const char *opcode)
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{
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const char *dst0 = make_D3D_destarg_string(ctx, 0);
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
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opcode = lowercase(get_scratch_buffer(ctx), opcode);
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output_line(ctx, "%s%s, %s", opcode, dst0, src0);
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} // emit_D3D_opcode_ds
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static void emit_D3D_opcode_dss(Context *ctx, const char *opcode)
779
{
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const char *dst0 = make_D3D_destarg_string(ctx, 0);
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
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opcode = lowercase(get_scratch_buffer(ctx), opcode);
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output_line(ctx, "%s%s, %s, %s", opcode, dst0, src0, src1);
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} // emit_D3D_opcode_dss
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static void emit_D3D_opcode_dsss(Context *ctx, const char *opcode)
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{
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const char *dst0 = make_D3D_destarg_string(ctx, 0);
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
const char *src2 = make_D3D_sourcearg_string(ctx, 2);
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opcode = lowercase(get_scratch_buffer(ctx), opcode);
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output_line(ctx, "%s%s, %s, %s, %s", opcode, dst0, src0, src1, src2);
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} // emit_D3D_opcode_dsss
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static void emit_D3D_opcode_dssss(Context *ctx, const char *opcode)
800
{
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const char *dst0 = make_D3D_destarg_string(ctx, 0);
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
const char *src2 = make_D3D_sourcearg_string(ctx, 2);
const char *src3 = make_D3D_sourcearg_string(ctx, 3);
806
opcode = lowercase(get_scratch_buffer(ctx), opcode);
807
output_line(ctx,"%s%s, %s, %s, %s, %s",opcode,dst0,src0,src1,src2,src3);
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} // emit_D3D_opcode_dssss
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static void emit_D3D_opcode(Context *ctx, const char *opcode)
{
opcode = lowercase(get_scratch_buffer(ctx), opcode);
output_line(ctx, "%s", opcode);
} // emit_D3D_opcode_dssss
818
#define EMIT_D3D_OPCODE_FUNC(op) \
819
static void emit_D3D_##op(Context *ctx) { \
820
emit_D3D_opcode(ctx, #op); \
821
822
}
#define EMIT_D3D_OPCODE_D_FUNC(op) \
823
static void emit_D3D_##op(Context *ctx) { \
824
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826
emit_D3D_opcode_d(ctx, #op); \
}
#define EMIT_D3D_OPCODE_S_FUNC(op) \
827
static void emit_D3D_##op(Context *ctx) { \
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emit_D3D_opcode_s(ctx, #op); \
}
#define EMIT_D3D_OPCODE_SS_FUNC(op) \
831
static void emit_D3D_##op(Context *ctx) { \
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834
emit_D3D_opcode_ss(ctx, #op); \
}
#define EMIT_D3D_OPCODE_DS_FUNC(op) \
835
static void emit_D3D_##op(Context *ctx) { \
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838
emit_D3D_opcode_ds(ctx, #op); \
}
#define EMIT_D3D_OPCODE_DSS_FUNC(op) \
839
static void emit_D3D_##op(Context *ctx) { \
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emit_D3D_opcode_dss(ctx, #op); \
}
#define EMIT_D3D_OPCODE_DSSS_FUNC(op) \
843
static void emit_D3D_##op(Context *ctx) { \
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845
846
emit_D3D_opcode_dsss(ctx, #op); \
}
#define EMIT_D3D_OPCODE_DSSSS_FUNC(op) \
847
static void emit_D3D_##op(Context *ctx) { \
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emit_D3D_opcode_dssss(ctx, #op); \
}
EMIT_D3D_OPCODE_FUNC(NOP)
EMIT_D3D_OPCODE_DS_FUNC(MOV)
EMIT_D3D_OPCODE_DSS_FUNC(ADD)
EMIT_D3D_OPCODE_DSS_FUNC(SUB)
EMIT_D3D_OPCODE_DSSS_FUNC(MAD)
EMIT_D3D_OPCODE_DSS_FUNC(MUL)
EMIT_D3D_OPCODE_DS_FUNC(RCP)
EMIT_D3D_OPCODE_DS_FUNC(RSQ)
EMIT_D3D_OPCODE_DSS_FUNC(DP3)
EMIT_D3D_OPCODE_DSS_FUNC(DP4)
EMIT_D3D_OPCODE_DSS_FUNC(MIN)
EMIT_D3D_OPCODE_DSS_FUNC(MAX)
EMIT_D3D_OPCODE_DSS_FUNC(SLT)
EMIT_D3D_OPCODE_DSS_FUNC(SGE)
EMIT_D3D_OPCODE_DS_FUNC(EXP)
EMIT_D3D_OPCODE_DS_FUNC(LOG)
EMIT_D3D_OPCODE_DS_FUNC(LIT)
EMIT_D3D_OPCODE_DSS_FUNC(DST)
EMIT_D3D_OPCODE_DSSS_FUNC(LRP)
EMIT_D3D_OPCODE_DS_FUNC(FRC)
EMIT_D3D_OPCODE_DSS_FUNC(M4X4)
EMIT_D3D_OPCODE_DSS_FUNC(M4X3)
EMIT_D3D_OPCODE_DSS_FUNC(M3X4)
EMIT_D3D_OPCODE_DSS_FUNC(M3X3)
EMIT_D3D_OPCODE_DSS_FUNC(M3X2)
EMIT_D3D_OPCODE_S_FUNC(CALL)
EMIT_D3D_OPCODE_SS_FUNC(CALLNZ)
878
EMIT_D3D_OPCODE_SS_FUNC(LOOP)
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923
EMIT_D3D_OPCODE_FUNC(RET)
EMIT_D3D_OPCODE_FUNC(ENDLOOP)
EMIT_D3D_OPCODE_S_FUNC(LABEL)
EMIT_D3D_OPCODE_DSS_FUNC(POW)
EMIT_D3D_OPCODE_DSS_FUNC(CRS)
EMIT_D3D_OPCODE_DSSS_FUNC(SGN)
EMIT_D3D_OPCODE_DS_FUNC(ABS)
EMIT_D3D_OPCODE_DS_FUNC(NRM)
EMIT_D3D_OPCODE_DS_FUNC(SINCOS)
EMIT_D3D_OPCODE_S_FUNC(REP)
EMIT_D3D_OPCODE_FUNC(ENDREP)
EMIT_D3D_OPCODE_S_FUNC(IF)
EMIT_D3D_OPCODE_FUNC(ELSE)
EMIT_D3D_OPCODE_FUNC(ENDIF)
EMIT_D3D_OPCODE_FUNC(BREAK)
EMIT_D3D_OPCODE_DS_FUNC(MOVA)
EMIT_D3D_OPCODE_FUNC(TEXCOORD) // !!! FIXME!
EMIT_D3D_OPCODE_D_FUNC(TEXKILL)
EMIT_D3D_OPCODE_FUNC(TEX) // !!! FIXME!
EMIT_D3D_OPCODE_DS_FUNC(TEXBEM)
EMIT_D3D_OPCODE_DS_FUNC(TEXBEML)
EMIT_D3D_OPCODE_DS_FUNC(TEXREG2AR)
EMIT_D3D_OPCODE_DS_FUNC(TEXREG2GB)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X2PAD)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X2TEX)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X3PAD)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X3TEX)
EMIT_D3D_OPCODE_DSS_FUNC(TEXM3X3SPEC)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X3VSPEC)
EMIT_D3D_OPCODE_DS_FUNC(EXPP)
EMIT_D3D_OPCODE_DS_FUNC(LOGP)
EMIT_D3D_OPCODE_DSSS_FUNC(CND)
EMIT_D3D_OPCODE_DS_FUNC(TEXREG2RGB)
EMIT_D3D_OPCODE_DS_FUNC(TEXDP3TEX)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X2DEPTH)
EMIT_D3D_OPCODE_DS_FUNC(TEXDP3)
EMIT_D3D_OPCODE_DS_FUNC(TEXM3X3)
EMIT_D3D_OPCODE_D_FUNC(TEXDEPTH)
EMIT_D3D_OPCODE_DSSS_FUNC(CMP)
EMIT_D3D_OPCODE_DSS_FUNC(BEM)
EMIT_D3D_OPCODE_DSSS_FUNC(DP2ADD)
EMIT_D3D_OPCODE_DS_FUNC(DSX)
EMIT_D3D_OPCODE_DS_FUNC(DSY)
EMIT_D3D_OPCODE_DSSSS_FUNC(TEXLDD)
EMIT_D3D_OPCODE_DSS_FUNC(TEXLDL)
924
EMIT_D3D_OPCODE_S_FUNC(BREAKP)
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
// special cases for comparison opcodes...
static const char *get_D3D_comparison_string(Context *ctx)
{
static const char *comps[] = {
"", "_gt", "_eq", "_ge", "_lt", "_ne", "_le"
};
if (ctx->instruction_controls >= STATICARRAYLEN(comps))
{
fail(ctx, "unknown comparison control");
return "";
} // if
return comps[ctx->instruction_controls];
} // get_D3D_comparison_string
static void emit_D3D_BREAKC(Context *ctx)
{
char op[16];
945
snprintf(op, sizeof (op), "break%s", get_D3D_comparison_string(ctx));
946
947
948
949
950
951
emit_D3D_opcode_ss(ctx, op);
} // emit_D3D_BREAKC
static void emit_D3D_IFC(Context *ctx)
{
char op[16];
952
snprintf(op, sizeof (op), "if%s", get_D3D_comparison_string(ctx));
953
954
955
956
957
958
emit_D3D_opcode_ss(ctx, op);
} // emit_D3D_IFC
static void emit_D3D_SETP(Context *ctx)
{
char op[16];
959
snprintf(op, sizeof (op), "setp%s", get_D3D_comparison_string(ctx));
960
961
962
emit_D3D_opcode_dss(ctx, op);
} // emit_D3D_SETP
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
// !!! FIXME: this is sort of nasty.
static void floatstr(Context *ctx, char *buf, size_t bufsize, float f)
{
const size_t len = snprintf(buf, bufsize, "%f", f);
if (len >= bufsize)
fail(ctx, "BUG: internal buffer is too small");
else
{
char *end = buf + len;
char *ptr = strchr(buf, '.');
if (ptr == NULL)
return; // done.
while (--end != ptr)
{
if (*end != '0')
{
end++;
break;
} // if
} // while
*end = '\0'; // chop extra '0' or all decimal places off.
} // else
} // floatstr
988
989
990
static void emit_D3D_DEF(Context *ctx)
{
const char *dst0 = make_D3D_destarg_string(ctx, 0);
991
992
993
994
995
996
997
998
999
1000
const float *val = (const float *) ctx->dwords; // !!! FIXME: could be int?
char val0[32];
char val1[32];
char val2[32];
char val3[32];
floatstr(ctx, val0, sizeof (val0), val[0]);
floatstr(ctx, val1, sizeof (val1), val[1]);
floatstr(ctx, val2, sizeof (val2), val[2]);
floatstr(ctx, val3, sizeof (val3), val[3]);
output_line(ctx, "def%s, %s, %s, %s, %s", dst0, val0, val1, val2, val3);