/**

* 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.

*/

#ifdef _MSC_VER

#define snprintf _snprintf

#endif

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 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)

{

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";

} // switch

} // shader_type

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

static void print_preshader(const MOJOSHADER_preshader *preshader,

const int indent)

{

MOJOSHADER_preshaderInstruction *inst = preshader->instructions;

int i, j, k;

static const char *opcodestr[] = {

"asin", "acos", "atan", "min", "max", "lt", "ge", "add", "mul",

"atan2", "div", "cmp", "movc", "dot", "noise", "min", "max", "lt",

"ge", "add", "mul", "atan2", "div", "dot", "noise"

};

static char mask[] = { 'x', 'y', 'z', 'w' };

INDENT(); printf("PRESHADER:\n");

for (i = 0; i < preshader->instruction_count; i++, inst++)

{

const MOJOSHADER_preshaderOperand *operand = inst->operands;

const int scalarstart = (int) MOJOSHADER_PRESHADEROP_SCALAR_OPS;

const int isscalarop = (inst->opcode >= scalarstart);

INDENT(); printf(" %s", opcodestr[inst->opcode]);

for (j = 0; j < inst->operand_count; j++, operand++)

{

const int elems = inst->element_count;

if (j != 0)

printf(",");

printf(" ");

switch (operand->type)

{

case MOJOSHADER_PRESHADEROPERAND_LITERAL:

{

const double *lit = &preshader->literals[operand->index];

printf("(");

if (isscalar)

{

const double val = *lit;

for (k = 0; k < elems-1; k++)

printf("%g, ", val);

printf("%g)", val);

} // if

else

{

for (k = 0; k < elems-1; k++, lit++)

printf("%g, ", *lit);

printf("%g)", *lit);

} // else

break;

} // case

case MOJOSHADER_PRESHADEROPERAND_INPUT:

case MOJOSHADER_PRESHADEROPERAND_OUTPUT:

case MOJOSHADER_PRESHADEROPERAND_TEMP:

{

int idx = operand->index % 4;

char regch = 'c';

if (operand->type == MOJOSHADER_PRESHADEROPERAND_TEMP)

regch = 'r';

printf("%c%d", regch, operand->index / 4);

if (isscalar)

printf(".%c", mask[idx]);

else if (elems != 4)

{

printf(".");

for (k = 0; k < elems; k++)

printf("%c", mask[idx++]);

} // else if

break;

} // case

default:

printf("[???{%d, %u}???]",

(int) operand->type, operand->index);

break;

} // switch

} // for

printf("\n");

} // for

printf("\n");

} // print_preshader

static void print_shader(const char *fname, const MOJOSHADER_parseData *pd,

unsigned int indent)

if (pd->error_count > 0)

{

int i;

for (i = 0; i < pd->error_count; i++)

{

const MOJOSHADER_error *err = &pd->errors[i];

INDENT();

err->filename ? err->filename : fname,

err->error_position, err->error);

} // for

} // if

else

{

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);

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

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

if (pd->uniform_count == 0)

printf(" (none.)\n");

else

{

int i;

printf("\n");

for (i = 0; i < pd->uniform_count; i++)

{

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

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

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

if (pd->preshader != NULL)

print_preshader(pd->preshader, indent);

{

int i;

indent++;

INDENT();

if (pd->output[i] == '\n')

INDENT();

} // for

} // 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

return retval;

} // do_parse

int main(int argc, char **argv)

{

int retval = 0;

printf("Compiled against changeset %s\n", MOJOSHADER_CHANGESET);

printf("Linked against changeset %s\n", MOJOSHADER_changeset());

if (argc <= 2)

printf("\n\nUSAGE: %s <profile> [file1] ... [fileN]\n\n", argv[0]);

const char *profile = argv[1];

int i;

for (i = 2; i < argc; i++)

FILE *io = fopen(argv[i], "rb");

if (io == NULL)

else

{

unsigned char *buf = (unsigned char *) malloc(1000000);

int rc = fread(buf, 1, 1000000, io);

fclose(io);

free(buf);

} // else

} // for

} // else

} // main

// end of testparse.c ...