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testparse.c
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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.
*/
#include <stdio.h>
#include <stdlib.h>
#include "mojoshader.h"
#ifdef _MSC_VER
#define snprintf _snprintf
#endif
#if MOJOSHADER_DEBUG_MALLOC
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)
{
int *ptr = (((int *) _ptr) - 1);
int len = *ptr;
printf("free() %d bytes (%p)\n", len, ptr);
free(ptr);
} // Free
#else
#define Malloc NULL
#define Free NULL
#endif
static const char *shader_type(const MOJOSHADER_shaderType s)
{
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";
default: return "(bogus value?)";
} // switch
return NULL; // shouldn't hit this.
} // shader_type
static int do_parse(const unsigned char *buf, const int len, const char *prof)
{
const MOJOSHADER_parseData *pd;
int retval = 0;
pd = MOJOSHADER_parse(prof, buf, len, NULL, 0, Malloc, Free, NULL);
printf("PROFILE: %s\n", prof);
if (pd->error_count > 0)
{
int i;
for (i = 0; i < pd->error_count; i++)
{
printf("ERROR: (position %d) %s\n",
pd->errors[i].error_position,
pd->errors[i].error);
} // for
} // if
else
{
retval = 1;
printf("SHADER TYPE: %s\n", shader_type(pd->shader_type));
printf("VERSION: %d.%d\n", pd->major_ver, pd->minor_ver);
printf("INSTRUCTION COUNT: %d\n", (int) pd->instruction_count);
printf("ATTRIBUTES:");
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);
printf(" * %s%s", usagenames[(int) a->usage], numstr);
if (a->name != NULL)
printf(" (\"%s\")", a->name);
printf("\n");
} // for
} // else
printf("CONSTANTS:");
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];
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
printf("UNIFORMS:");
if (pd->uniform_count == 0)
printf(" (none.)\n");
else
{
int i;
printf("\n");
for (i = 0; i < pd->uniform_count; i++)
{
static const char *typenames[] = { "float", "int", "bool" };
const MOJOSHADER_uniform *u = &pd->uniforms[i];
const char *arrayof = "";
const char *constant = u->constant ? "const " : "";
char arrayrange[64] = { '\0' };
if (u->array_count > 0)
{
arrayof = "array[";
snprintf(arrayrange, sizeof (arrayrange), "%d] ",
u->array_count);
} // if
printf(" * %d: %s%s%s%s", u->index, constant, arrayof,
arrayrange, typenames[(int) u->type]);
if (u->name != NULL)
printf(" (\"%s\")", u->name);
printf("\n");
} // for
} // else
printf("SAMPLERS:");
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];
printf(" * %d: %s", s->index, typenames[(int) s->type]);
if (s->name != NULL)
printf(" (\"%s\")", s->name);
printf("\n");
} // for
} // else
if (pd->output != NULL)
{
int i;
printf("OUTPUT:\n");
for (i = 0; i < pd->output_len; i++)
putchar((int) pd->output[i]);
printf("\n");
} // if
} // else
printf("\n\n");
MOJOSHADER_freeParseData(pd);
return retval;
} // do_parse
int main(int argc, char **argv)
{
int retval = 0;
printf("MojoShader testparse\n");
printf("Compiled against version %d\n", MOJOSHADER_VERSION);
printf("Linked against version %d\n", MOJOSHADER_version());
printf("\n");
if (argc <= 2)
printf("\n\nUSAGE: %s <profile> [file1] ... [fileN]\n\n", argv[0]);
else
{
const char *profile = argv[1];
int i;
for (i = 2; i < argc; i++)
{
FILE *io = fopen(argv[i], "rb");
printf("FILE: %s\n", argv[i]);
if (io == NULL)
printf(" ... fopen('%s') failed.\n", argv[i]);
else
{
unsigned char *buf = (unsigned char *) malloc(1000000);
int rc = fread(buf, 1, 1000000, io);
fclose(io);
if (!do_parse(buf, rc, profile))
retval = 1;
free(buf);
} // else
} // for
} // else
return retval;
} // main
// end of testparse.c ...