"UNIFORM",
"WRITE_ONLY",
"ADDRESS",
+ "SAMPLER",
"UNDEFINED"
};
static char s[100];
sprintf(s, "%s[%d..%d]", files[st->File], st->Index,
st->Index + st->Size - 1);
#endif
- if (st->File == 1000)
- sprintf(s, "sampler");
- else
- sprintf(s, "%s[%d]", files[st->File], st->Index);
+ assert(st->File < sizeof(files) / sizeof(files[0]));
+ sprintf(s, "%s[%d]", files[st->File], st->Index);
return s;
}
}
-
-static GLint
-slang_find_input(GLenum target, const char *name, GLint index)
-{
- struct input_info {
- const char *Name;
- GLuint Attrib;
- };
- static const struct input_info vertInputs[] = {
- { "gl_Vertex", VERT_ATTRIB_POS },
- { "gl_Normal", VERT_ATTRIB_NORMAL },
- { "gl_Color", VERT_ATTRIB_COLOR0 },
- { "gl_SecondaryColor", VERT_ATTRIB_COLOR1 },
- { "gl_MultiTexCoord0", VERT_ATTRIB_TEX0 },
- { "gl_MultiTexCoord1", VERT_ATTRIB_TEX1 },
- { "gl_MultiTexCoord2", VERT_ATTRIB_TEX2 },
- { NULL, 0 }
- };
- static const struct input_info fragInputs[] = {
- { "gl_TexCoord", FRAG_ATTRIB_TEX0 },
- { NULL, 0 }
- };
- const struct input_info *inputs;
- GLuint i;
-
- if (target == GL_VERTEX_PROGRAM_ARB) {
- inputs = vertInputs;
- }
- else {
- assert(target == GL_FRAGMENT_PROGRAM_ARB);
- inputs = fragInputs;
- }
-
- for (i = 0; inputs[i].Name; i++) {
- if (strcmp(inputs[i].Name, name) == 0) {
- /* found */
- return inputs[i].Attrib;
- }
- }
- return -1;
-}
-
-
-static GLint
-slang_find_output(GLenum target, const char *name, GLint index)
-{
- struct output_info {
- const char *Name;
- GLuint Attrib;
- };
- static const struct output_info vertOutputs[] = {
- { "gl_Position", VERT_RESULT_HPOS },
- { "gl_FrontColor", VERT_RESULT_COL0 },
- { "gl_BackColor", VERT_RESULT_BFC0 },
- { "gl_FrontSecondaryColor", VERT_RESULT_COL1 },
- { "gl_BackSecondaryColor", VERT_RESULT_BFC1 },
- { "gl_TexCoord", VERT_RESULT_TEX0 }, /* XXX indexed */
- { "gl_FogFragCoord", VERT_RESULT_FOGC },
- { NULL, 0 }
- };
- static const struct output_info fragOutputs[] = {
- { "gl_FragColor", FRAG_RESULT_COLR },
- { NULL, 0 }
- };
- const struct output_info *outputs;
- GLuint i;
-
- if (target == GL_VERTEX_PROGRAM_ARB) {
- outputs = vertOutputs;
- }
- else {
- assert(target == GL_FRAGMENT_PROGRAM_ARB);
- outputs = fragOutputs;
- }
-
- for (i = 0; outputs[i].Name; i++) {
- if (strcmp(outputs[i].Name, name) == 0) {
- /* found */
- return outputs[i].Attrib;
- }
- }
- return -1;
-}
-
-
/**
* Lookup a named constant and allocate storage for the parameter in
* the given parameter list.
}
-static GLint
-slang_alloc_varying(struct gl_program *prog, const char *name)
-{
- GLint i = _mesa_add_varying(prog->Varying, name, 4); /* XXX fix size */
- return i;
-}
-
/**
* Allocate temporary storage for an intermediate result (such as for
assert(n->Var);
if (is_sampler_type(&n->Var->type)) {
/* i.e. "uniform sampler2D tex;" */
-#define PROGRAM_SAMPLER 1000
n->Store->File = PROGRAM_SAMPLER;
n->Store->Size = 1; /* never used */
n->Store->Index = alloc_sampler(gc);
+ n->Store->Index = slang_alloc_uniform(prog, (char *) n->Var->a_name, 1);
+ printf("********** Alloc sampler uniform %d\n", n->Store->Index);
+ abort(); /* this is a locally-declared sampler */
}
else if (n->Store->Index < 0) { /* XXX assert this? */
assert(gc);
return;
}
- if (n->Opcode == IR_VAR && n->Store->File == PROGRAM_UNDEFINED) {
+ /*
+ assert(!is_sampler_type(&n->Var->type));
+ */
+ assert(n->Opcode == IR_VAR);
+
+ assert(n->Store->File != PROGRAM_UNDEFINED);
+
+ if (n->Opcode == IR_VAR && (n->Store->File == PROGRAM_UNDEFINED
+ || n->Store->Index < 0)) {
/* try to determine the storage for this variable */
GLint i;
assert(n->Var);
+ assert(n->Store->Size > 0);
if (n->Store->Size < 0) {
/* determine var/storage size now */
n->Var->type.qualifier == slang_qual_const);
#endif
- i = slang_find_input(prog->Target, (char *) n->Var->a_name, 0);
- if (i >= 0) {
- n->Store->File = PROGRAM_INPUT;
- n->Store->Index = i;
- assert(n->Store->Size > 0);
- return;
- }
-
- i = slang_find_output(prog->Target, (char *) n->Var->a_name, 0);
- if (i >= 0) {
- n->Store->File = PROGRAM_OUTPUT;
- n->Store->Index = i;
- return;
- }
-
i = slang_lookup_statevar((char *) n->Var->a_name, 0, prog->Parameters);
if (i >= 0) {
+ assert(n->Store->File == PROGRAM_STATE_VAR /*||
+ n->Store->File == PROGRAM_UNIFORM*/);
n->Store->File = PROGRAM_STATE_VAR;
n->Store->Index = i;
return;
i = slang_lookup_constant((char *) n->Var->a_name, 0, prog->Parameters);
if (i >= 0) {
+ assert(n->Store->File == PROGRAM_CONSTANT);
n->Store->File = PROGRAM_CONSTANT;
n->Store->Index = i;
return;
}
- /* probably a uniform or varying */
- if (n->Var->type.qualifier == slang_qual_uniform) {
- GLint size = n->Store->Size;
- assert(size > 0);
- i = slang_alloc_uniform(prog, (char *) n->Var->a_name, size);
- if (i >= 0) {
- n->Store->File = PROGRAM_UNIFORM;
- n->Store->Index = i;
- return;
- }
- }
- else if (n->Var->type.qualifier == slang_qual_varying) {
- i = slang_alloc_varying(prog, (char *) n->Var->a_name);
- if (i >= 0) {
-#ifdef OLD_LINK
- if (prog->Target == GL_VERTEX_PROGRAM_ARB)
- n->Store->File = PROGRAM_OUTPUT;
- else
- n->Store->File = PROGRAM_INPUT;
-#else
- n->Store->File = PROGRAM_VARYING;
-#endif
- n->Store->Index = i;
- return;
- }
- }
-
if (n->Store->File == PROGRAM_UNDEFINED && n->Store->Index < 0) {
/* ordinary local var */
assert(n->Store->Size > 0);
inst = new_instruction(prog, OPCODE_TXB);
}
+ if (!n->Store)
+ slang_alloc_temp_storage(gc, n, 4);
+
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
- storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store,
- n->Children[0]->Swizzle);
+ /* Child[1] is the coord */
+ storage_to_src_reg(&inst->SrcReg[0], n->Children[1]->Store,
+ n->Children[1]->Swizzle);
- inst->TexSrcTarget = n->TexTarget;
- inst->TexSrcUnit = 0; /* XXX temp */
+ /* Child[0] is the sampler (a uniform which'll indicate the texture unit) */
+ assert(n->Children[0]->Store);
+ assert(n->Children[0]->Store->Size >= TEXTURE_1D_INDEX);
+ inst->Sampler = n->Children[0]->Store->Index; /* i.e. uniform's index */
+ inst->TexSrcTarget = n->Children[0]->Store->Size;
+ inst->TexSrcUnit = 27; /* Dummy value; the TexSrcUnit will be computed at
+ * link time, using the sampler uniform's value.
+ */
return inst;
}