testparse.c
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/**
* MojoShader; generate shader programs from bytecode of compiled
* Direct3D shaders.
*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "mojoshader.h"
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#ifdef _MSC_VER
#define snprintf _snprintf
#endif
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#if MOJOSHADER_DEBUG_MALLOC
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static void *Malloc(int len)
{
void *ptr = malloc(len + sizeof (int));
int *store = (int *) ptr;
printf("malloc() %d bytes (%p)\n", len, ptr);
if (ptr == NULL) return NULL;
*store = len;
return (void *) (store + 1);
} // Malloc
static void Free(void *_ptr)
{
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int *ptr = (((int *) _ptr) - 1);
int len = *ptr;
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printf("free() %d bytes (%p)\n", len, ptr);
free(ptr);
} // Free
#else
#define Malloc NULL
#define Free NULL
#endif
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static inline void do_indent(const unsigned int indent)
{
unsigned int i;
for (i = 0; i < indent; i++)
printf(" ");
}
#define INDENT() do { if (indent) { do_indent(indent); } } while (0)
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static const char *shader_type(const MOJOSHADER_shaderType s)
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{
switch (s)
{
case MOJOSHADER_TYPE_UNKNOWN: return "unknown";
case MOJOSHADER_TYPE_PIXEL: return "pixel";
case MOJOSHADER_TYPE_VERTEX: return "vertex";
case MOJOSHADER_TYPE_GEOMETRY: return "geometry";
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default: return "(bogus value?)";
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} // switch
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return NULL; // shouldn't hit this.
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} // shader_type
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static void print_typeinfo(const MOJOSHADER_symbolTypeInfo *info,
unsigned int indent)
{
static const char *symclasses[] = {
"scalar", "vector", "row-major matrix",
"column-major matrix", "object", "struct"
};
static const char *symtypes[] = {
"void", "bool", "int", "float", "string", "texture",
"texture1d", "texture2d", "texture3d", "texturecube",
"sampler", "sampler1d", "sampler2d", "sampler3d",
"samplercube", "pixelshader", "vertexshader", "unsupported"
};
INDENT();
printf(" symbol class %s\n", symclasses[info->parameter_class]);
INDENT();
printf(" symbol type %s\n", symtypes[info->parameter_type]);
INDENT();
printf(" rows %u\n", info->rows);
INDENT();
printf(" columns %u\n", info->columns);
INDENT();
printf(" elements %u\n", info->elements);
if (info->member_count > 0)
{
int i;
INDENT(); printf(" MEMBERS:\n");
for (i = 0; i < info->member_count; i++)
{
const MOJOSHADER_symbolStructMember *member = &info->members[i];
INDENT(); printf(" MEMBERS:\n");
indent++;
INDENT(); printf(" * %d: \"%s\"\n", i, member->name);
print_typeinfo(&member->info, indent);
indent--;
} // for
} // if
} // print_typeinfo
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static void print_shader(const char *fname, const MOJOSHADER_parseData *pd,
unsigned int indent)
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INDENT(); printf("PROFILE: %s\n", pd->profile);
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if (pd->error_count > 0)
{
int i;
for (i = 0; i < pd->error_count; i++)
{
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const MOJOSHADER_error *err = &pd->errors[i];
INDENT();
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printf("%s:%d: ERROR: %s\n",
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err->filename ? err->filename : fname,
err->error_position, err->error);
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} // for
} // if
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else
{
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INDENT(); printf("SHADER TYPE: %s\n", shader_type(pd->shader_type));
INDENT(); printf("VERSION: %d.%d\n", pd->major_ver, pd->minor_ver);
INDENT(); printf("INSTRUCTION COUNT: %d\n", (int) pd->instruction_count);
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INDENT(); printf("ATTRIBUTES:");
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if (pd->attribute_count == 0)
printf(" (none.)\n");
else
{
int i;
printf("\n");
for (i = 0; i < pd->attribute_count; i++)
{
static const char *usagenames[] = {
"position", "blendweight", "blendindices", "normal",
"psize", "texcoord", "tangent", "binormal", "tessfactor",
"positiont", "color", "fog", "depth", "sample"
};
const MOJOSHADER_attribute *a = &pd->attributes[i];
char numstr[16] = { 0 };
if (a->index != 0)
snprintf(numstr, sizeof (numstr), "%d", a->index);
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INDENT();
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printf(" * %s%s", usagenames[(int) a->usage], numstr);
if (a->name != NULL)
printf(" (\"%s\")", a->name);
printf("\n");
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} // for
} // else
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INDENT(); printf("CONSTANTS:");
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if (pd->constant_count == 0)
printf(" (none.)\n");
else
{
int i;
printf("\n");
for (i = 0; i < pd->constant_count; i++)
{
static const char *typenames[] = { "float", "int", "bool" };
const MOJOSHADER_constant *c = &pd->constants[i];
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INDENT();
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printf(" * %d: %s (", c->index, typenames[(int) c->type]);
if (c->type == MOJOSHADER_UNIFORM_FLOAT)
{
printf("%f %f %f %f", c->value.f[0], c->value.f[1],
c->value.f[2], c->value.f[3]);
} // if
else if (c->type == MOJOSHADER_UNIFORM_INT)
{
printf("%d %d %d %d", c->value.i[0], c->value.i[1],
c->value.i[2], c->value.i[3]);
} // else if
else if (c->type == MOJOSHADER_UNIFORM_BOOL)
{
printf("%s", c->value.b ? "true" : "false");
} // else if
else
{
printf("???");
} // else
printf(")\n");
} // for
} // else
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INDENT(); printf("UNIFORMS:");
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if (pd->uniform_count == 0)
printf(" (none.)\n");
else
{
int i;
printf("\n");
for (i = 0; i < pd->uniform_count; i++)
{
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static const char *typenames[] = { "float", "int", "bool" };
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const MOJOSHADER_uniform *u = &pd->uniforms[i];
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const char *arrayof = "";
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const char *constant = u->constant ? "const " : "";
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char arrayrange[64] = { '\0' };
if (u->array_count > 0)
{
arrayof = "array[";
snprintf(arrayrange, sizeof (arrayrange), "%d] ",
u->array_count);
} // if
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INDENT();
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printf(" * %d: %s%s%s%s", u->index, constant, arrayof,
arrayrange, typenames[(int) u->type]);
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if (u->name != NULL)
printf(" (\"%s\")", u->name);
printf("\n");
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} // for
} // else
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INDENT(); printf("SAMPLERS:");
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if (pd->sampler_count == 0)
printf(" (none.)\n");
else
{
int i;
printf("\n");
for (i = 0; i < pd->sampler_count; i++)
{
static const char *typenames[] = { "2d", "cube", "volume" };
const MOJOSHADER_sampler *s = &pd->samplers[i];
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INDENT();
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printf(" * %d: %s", s->index, typenames[(int) s->type]);
if (s->name != NULL)
printf(" (\"%s\")", s->name);
printf("\n");
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} // for
} // else
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INDENT(); printf("SYMBOLS:");
if (pd->symbol_count == 0)
printf(" (none.)\n");
else
{
int i;
printf("\n");
for (i = 0; i < pd->symbol_count; i++)
{
static const char *regsets[] = {
"bool", "int4", "float4", "sampler"
};
const MOJOSHADER_symbol *sym = &pd->symbols[i];
INDENT(); printf(" * %d: \"%s\"\n", i, sym->name);
INDENT(); printf(" register set %s\n", regsets[sym->register_set]);
INDENT(); printf(" register index %u\n", sym->register_index);
INDENT(); printf(" register count %u\n", sym->register_count);
print_typeinfo(&sym->info, indent);
} // for
printf("\n");
} // else
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if (pd->output != NULL)
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INDENT();
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printf("OUTPUT:\n");
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indent++;
INDENT();
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for (i = 0; i < pd->output_len; i++)
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putchar((int) pd->output[i]);
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if (pd->output[i] == '\n')
INDENT();
} // for
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indent--;
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} // else
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printf("\n\n");
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} // print_shader
static void print_effect(const char *fname, const MOJOSHADER_effect *effect,
const unsigned int indent)
{
INDENT(); printf("PROFILE: %s\n", effect->profile);
printf("\n");
if (effect->error_count > 0)
{
int i;
for (i = 0; i < effect->error_count; i++)
{
const MOJOSHADER_error *err = &effect->errors[i];
INDENT();
printf("%s:%d: ERROR: %s\n",
err->filename ? err->filename : fname,
err->error_position, err->error);
} // for
} // if
else
{
int i, j, k;
const MOJOSHADER_effectTechnique *technique = effect->techniques;
const MOJOSHADER_effectTexture *texture = effect->textures;
const MOJOSHADER_effectShader *shader = effect->shaders;
for (i = 0; i < effect->technique_count; i++, technique++)
{
const MOJOSHADER_effectPass *pass = technique->passes;
INDENT(); printf("TECHNIQUE #%d ('%s'):\n", i, technique->name);
for (j = 0; j < technique->pass_count; j++, pass++)
{
const MOJOSHADER_effectState *state = pass->states;
INDENT(); printf(" PASS #%d ('%s'):\n", j, pass->name);
for (k = 0; k < pass->state_count; k++, state++)
{
INDENT(); printf(" STATE 0x%X\n", state->type);
} // for
} // for
printf("\n");
} // for
for (i = 0; i < effect->texture_count; i++, texture++)
{
INDENT();
printf("TEXTURE #%d ('%s'): %u\n", i,
texture->name, texture->param);
} // for
printf("\n");
for (i = 0; i < effect->shader_count; i++, shader++)
{
INDENT();
printf("SHADER #%d: technique %u, pass %u\n", i,
shader->technique, shader->pass);
print_shader(fname, shader->shader, indent + 1);
} // for
} // else
} // print_effect
static int do_parse(const char *fname, const unsigned char *buf,
const int len, const char *prof)
{
int retval = 0;
// magic for an effects file (!!! FIXME: I _think_).
if ( (buf[0] == 0x01) && (buf[1] == 0x09) &&
(buf[2] == 0xFF) && (buf[3] == 0xFE) )
{
const MOJOSHADER_effect *effect;
effect = MOJOSHADER_parseEffect(prof, buf, len, 0, 0, Malloc, Free, 0);
retval = (effect->error_count == 0);
printf("EFFECT: %s\n", fname);
print_effect(fname, effect, 1);
MOJOSHADER_freeEffect(effect);
} // if
else // do it as a regular compiled shader.
{
const MOJOSHADER_parseData *pd;
pd = MOJOSHADER_parse(prof, buf, len, NULL, 0, Malloc, Free, NULL);
retval = (pd->error_count == 0);
printf("SHADER: %s\n", fname);
print_shader(fname, pd, 1);
MOJOSHADER_freeParseData(pd);
} // else
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return retval;
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} // do_parse
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int main(int argc, char **argv)
{
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int retval = 0;
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printf("MojoShader testparse\n");
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printf("Compiled against changeset %s\n", MOJOSHADER_CHANGESET);
printf("Linked against changeset %s\n", MOJOSHADER_changeset());
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printf("\n");
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if (argc <= 2)
printf("\n\nUSAGE: %s <profile> [file1] ... [fileN]\n\n", argv[0]);
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else
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const char *profile = argv[1];
int i;
for (i = 2; i < argc; i++)
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FILE *io = fopen(argv[i], "rb");
if (io == NULL)
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printf(" ... fopen('%s') failed.\n", argv[i]);
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else
{
unsigned char *buf = (unsigned char *) malloc(1000000);
int rc = fread(buf, 1, 1000000, io);
fclose(io);
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if (!do_parse(argv[i], buf, rc, profile))
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free(buf);
} // else
} // for
} // else
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return retval;
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} // main
// end of testparse.c ...