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glsl_to_tgsi: remove indirect addressing limitations 

They shouldn't be necessary any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Christian König 2013-03-10 14:36:13 +01:00
parent 3f67251e3d
commit affdff230b
1 changed files with 3 additions and 33 deletions
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36
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -325,7 +325,6 @@ public:
int num_address_regs;
int samplers_used;
bool indirect_addr_temps;
bool indirect_addr_consts;
int glsl_version;
@ -557,10 +556,6 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op,
/* Update indirect addressing status used by TGSI */
if (dst.reladdr) {
switch(dst.file) {
case PROGRAM_TEMPORARY:
case PROGRAM_ARRAY:
this->indirect_addr_temps = true;
break;
case PROGRAM_LOCAL_PARAM:
case PROGRAM_ENV_PARAM:
case PROGRAM_STATE_VAR:
@ -579,10 +574,6 @@ glsl_to_tgsi_visitor::emit(ir_instruction *ir, unsigned op,
for (i=0; i<3; i++) {
if(inst->src[i].reladdr) {
switch(inst->src[i].file) {
case PROGRAM_TEMPORARY:
case PROGRAM_ARRAY:
this->indirect_addr_temps = true;
break;
case PROGRAM_LOCAL_PARAM:
case PROGRAM_ENV_PARAM:
case PROGRAM_STATE_VAR:
@ -3000,7 +2991,6 @@ glsl_to_tgsi_visitor::glsl_to_tgsi_visitor()
current_function = NULL;
num_address_regs = 0;
samplers_used = 0;
indirect_addr_temps = false;
indirect_addr_consts = false;
glsl_version = 0;
native_integers = false;
@ -3839,7 +3829,6 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp,
v->next_temp = original->next_temp;
v->num_address_regs = original->num_address_regs;
v->samplers_used = prog->SamplersUsed = original->samplers_used;
v->indirect_addr_temps = original->indirect_addr_temps;
v->indirect_addr_consts = original->indirect_addr_consts;
memcpy(&v->immediates, &original->immediates, sizeof(v->immediates));
v->num_immediates = original->num_immediates;
@ -3970,7 +3959,6 @@ get_bitmap_visitor(struct st_fragment_program *fp,
v->next_temp = original->next_temp;
v->num_address_regs = original->num_address_regs;
v->samplers_used = prog->SamplersUsed = original->samplers_used;
v->indirect_addr_temps = original->indirect_addr_temps;
v->indirect_addr_consts = original->indirect_addr_consts;
memcpy(&v->immediates, &original->immediates, sizeof(v->immediates));
v->num_immediates = original->num_immediates;
@ -4840,17 +4828,6 @@ st_translate_program(
}
}
if (program->indirect_addr_temps) {
/* If temps are accessed with indirect addressing, declare temporaries
* in sequential order. Else, we declare them on demand elsewhere.
* (Note: the number of temporaries is equal to program->next_temp)
*/
for (i = 0; i < (unsigned)program->next_temp; i++) {
/* XXX use TGSI_FILE_TEMPORARY_ARRAY when it's supported by ureg */
t->temps[i] = ureg_DECL_local_temporary(t->ureg);
}
}
/* Copy over array sizes
*/
memcpy(t->array_sizes, program->array_sizes, sizeof(unsigned) * program->next_array);
@ -5088,16 +5065,9 @@ get_mesa_program(struct gl_context *ctx,
v->copy_propagate();
while (v->eliminate_dead_code_advanced());
/* FIXME: These passes to optimize temporary registers don't work when there
* is indirect addressing of the temporary register space. We need proper
* array support so that we don't have to give up these passes in every
* shader that uses arrays.
*/
if (!v->indirect_addr_temps) {
v->eliminate_dead_code();
v->merge_registers();
v->renumber_registers();
}
v->eliminate_dead_code();
v->merge_registers();
v->renumber_registers();
/* Write the END instruction. */
v->emit(NULL, TGSI_OPCODE_END);