}
+/**
+ * XXX return size too
+ */
+static GLint
+_slang_input_index(const char *name, GLenum target)
+{
+ 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_FogCoord", VERT_ATTRIB_FOG },
+ { "gl_MultiTexCoord0", VERT_ATTRIB_TEX0 },
+ { "gl_MultiTexCoord1", VERT_ATTRIB_TEX1 },
+ { "gl_MultiTexCoord2", VERT_ATTRIB_TEX2 },
+ { "gl_MultiTexCoord3", VERT_ATTRIB_TEX3 },
+ { "gl_MultiTexCoord4", VERT_ATTRIB_TEX4 },
+ { "gl_MultiTexCoord5", VERT_ATTRIB_TEX5 },
+ { "gl_MultiTexCoord6", VERT_ATTRIB_TEX6 },
+ { "gl_MultiTexCoord7", VERT_ATTRIB_TEX7 },
+ { NULL, 0 }
+ };
+ static const struct input_info fragInputs[] = {
+ { "gl_FragCoord", FRAG_ATTRIB_WPOS },
+ { "gl_Color", FRAG_ATTRIB_COL0 },
+ { "gl_SecondaryColor", FRAG_ATTRIB_COL1 },
+ { "gl_FogFragCoord", FRAG_ATTRIB_FOGC },
+ { "gl_TexCoord", FRAG_ATTRIB_TEX0 },
+ { NULL, 0 }
+ };
+ GLuint i;
+ const struct input_info *inputs
+ = (target == GL_VERTEX_PROGRAM_ARB) ? vertInputs : 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_alloc_sampler(struct gl_program *prog, const char *name)
+_slang_output_index(const char *name, GLenum target)
{
- GLint i = _mesa_add_sampler(prog->Parameters, name);
- return i;
+ 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 },
+ { "gl_PointSize", VERT_RESULT_PSIZ },
+ { NULL, 0 }
+ };
+ static const struct output_info fragOutputs[] = {
+ { "gl_FragColor", FRAG_RESULT_COLR },
+ { "gl_FragDepth", FRAG_RESULT_DEPR },
+ { NULL, 0 }
+ };
+ GLuint i;
+ const struct output_info *outputs
+ = (target == GL_VERTEX_PROGRAM_ARB) ? vertOutputs : fragOutputs;
+
+ for (i = 0; outputs[i].Name; i++) {
+ if (strcmp(outputs[i].Name, name) == 0) {
+ /* found */
+ return outputs[i].Attrib;
+ }
+ }
+ return -1;
}
* actual texture unit (as specified by the user calling glUniform1i()).
*/
void
-_slang_codegen_global_variable(slang_variable *var, struct gl_program *prog)
+_slang_codegen_global_variable(slang_variable *var, struct gl_program *prog,
+ slang_unit_type type)
{
+ const char *varName = (char *) var->a_name;
GLint texIndex;
slang_ir_storage *store = NULL;
* store->Index = sampler uniform location
* store->Size = texture type index (1D, 2D, 3D, cube, etc)
*/
- GLint samplerUniform = slang_alloc_sampler(prog, (char *) var->a_name);
+ GLint samplerUniform = _mesa_add_sampler(prog->Parameters, varName);
store = _slang_new_ir_storage(PROGRAM_SAMPLER, samplerUniform, texIndex);
printf("SAMPLER ");
}
else if (var->type.qualifier == slang_qual_uniform) {
+ /* Uniform variable */
+ const GLint size = _slang_sizeof_type_specifier(&var->type.specifier);
+ if (prog) {
+ /* user-defined uniform */
+ GLint uniformLoc = _mesa_add_uniform(prog->Parameters, varName, size);
+ store = _slang_new_ir_storage(PROGRAM_UNIFORM, uniformLoc, size);
+ }
+ else {
+ /* pre-defined uniform, like gl_ModelviewMatrix */
+ /* We know it's a uniform, but don't allocate storage unless
+ * it's really used.
+ */
+
+ store = _slang_new_ir_storage(PROGRAM_STATE_VAR, -1, size);
+
+ }
printf("UNIFORM ");
}
-
- printf("CODEGEN VAR %s\n", (char*) var->a_name);
+ else if (var->type.qualifier == slang_qual_varying) {
+ const GLint size = 4; /* XXX fix */
+ if (prog) {
+ /* user-defined varying */
+ GLint varyingLoc = _mesa_add_varying(prog->Varying, varName, size);
+ store = _slang_new_ir_storage(PROGRAM_VARYING, varyingLoc, size);
+ }
+ else {
+ /* pre-defined varying, like gl_Color or gl_TexCoord */
+ if (type == slang_unit_fragment_builtin) {
+ GLint index = _slang_input_index(varName, GL_FRAGMENT_PROGRAM_ARB);
+ assert(index >= 0);
+ store = _slang_new_ir_storage(PROGRAM_INPUT, index, size);
+ assert(index < FRAG_ATTRIB_MAX);
+ }
+ else {
+ GLint index = _slang_output_index(varName, GL_VERTEX_PROGRAM_ARB);
+ assert(index >= 0);
+ assert(type == slang_unit_vertex_builtin);
+ store = _slang_new_ir_storage(PROGRAM_OUTPUT, index, size);
+ assert(index < VERT_RESULT_MAX);
+ }
+ printf("V/F ");
+ }
+ printf("VARYING ");
+ }
+ else if (var->type.qualifier == slang_qual_const) {
+ if (prog) {
+ abort();
+ }
+ else {
+ /* pre-defined global constant, like gl_MaxLights */
+ GLint size = -1;
+ store = _slang_new_ir_storage(PROGRAM_CONSTANT, -1, size);
+ }
+ printf("CONST ");
+ }
+ else if (var->type.qualifier == slang_qual_attribute) {
+ /* Vertex attribute */
+ GLint index = _slang_input_index(varName, GL_VERTEX_PROGRAM_ARB);
+ GLint size = 4; /* XXX? */
+ assert(index >= 0);
+ store = _slang_new_ir_storage(PROGRAM_INPUT, index, size);
+ printf("ATTRIB ");
+ }
+ else if (var->type.qualifier == slang_qual_fixedinput) {
+ GLint index = _slang_input_index(varName, GL_FRAGMENT_PROGRAM_ARB);
+ GLint size = 4; /* XXX? */
+ store = _slang_new_ir_storage(PROGRAM_INPUT, index, size);
+ printf("INPUT ");
+ }
+ else if (var->type.qualifier == slang_qual_fixedoutput) {
+ if (type == slang_unit_vertex_builtin) {
+ GLint index = _slang_output_index(varName, GL_VERTEX_PROGRAM_ARB);
+ GLint size = 4; /* XXX? */
+ store = _slang_new_ir_storage(PROGRAM_OUTPUT, index, size);
+ }
+ else {
+ assert(type == slang_unit_fragment_builtin);
+ GLint index = _slang_output_index(varName, GL_FRAGMENT_PROGRAM_ARB);
+ GLint size = 4; /* XXX? */
+ store = _slang_new_ir_storage(PROGRAM_OUTPUT, index, size);
+ }
+ printf("OUTPUT ");
+ }
+ else {
+ printf("other ");
+ }
+ printf("GLOBAL VAR %s idx %d\n", (char*) var->a_name, store?store->Index:-2);
assert(!var->aux);
#if 1
}
-
-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(!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) {
+ 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);
-
- /*if (is_sampler(*/
+ 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) {
- n->Store->File = PROGRAM_VARYING;
- n->Store->Index = i;
- return;
- }
- }
-
if (n->Store->File == PROGRAM_UNDEFINED && n->Store->Index < 0) {
/* ordinary local var */
assert(n->Store->Size > 0);
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