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gallium: translate ARB fp/vp immediates consistently to tgsi immediates

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This commit is contained in:
Keith Whitwell 2007-12-20 13:19:56 +00:00
parent ebf78c0dcc
commit 21c67b70d4
1 changed files with 20 additions and 4 deletions
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24
src/mesa/state_tracker/st_mesa_to_tgsi.c
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@ -47,7 +47,9 @@
*/
static GLuint
map_register_file(
enum register_file file )
enum register_file file,
GLuint index,
const GLuint immediateMapping[] )
{
switch( file ) {
case PROGRAM_UNDEFINED:
@ -56,10 +58,20 @@ map_register_file(
return TGSI_FILE_TEMPORARY;
//case PROGRAM_LOCAL_PARAM:
//case PROGRAM_ENV_PARAM:
/* Because of the longstanding problem with mesa arb shaders
* where constants, immediates and state variables are all
* bundled together as PROGRAM_STATE_VAR, we can't tell from the
* mesa register file whether this is a CONSTANT or an
* IMMEDIATE, hence we need all the other information.
*/
case PROGRAM_STATE_VAR:
case PROGRAM_NAMED_PARAM:
case PROGRAM_UNIFORM:
return TGSI_FILE_CONSTANT;
if (immediateMapping[index] != ~0)
return TGSI_FILE_IMMEDIATE;
else
return TGSI_FILE_CONSTANT;
case PROGRAM_CONSTANT:
return TGSI_FILE_IMMEDIATE;
case PROGRAM_INPUT:
@ -194,7 +206,7 @@ compile_instruction(
fullinst->Instruction.NumSrcRegs = _mesa_num_inst_src_regs( inst->Opcode );
fulldst = &fullinst->FullDstRegisters[0];
fulldst->DstRegister.File = map_register_file( inst->DstReg.File );
fulldst->DstRegister.File = map_register_file( inst->DstReg.File, 0, NULL );
fulldst->DstRegister.Index = map_register_file_index(
fulldst->DstRegister.File,
inst->DstReg.Index,
@ -208,7 +220,9 @@ compile_instruction(
GLuint j;
fullsrc = &fullinst->FullSrcRegisters[i];
fullsrc->SrcRegister.File = map_register_file( inst->SrcReg[i].File );
fullsrc->SrcRegister.File = map_register_file( inst->SrcReg[i].File,
inst->SrcReg[i].Index,
immediateMapping );
fullsrc->SrcRegister.Index = map_register_file_index(
fullsrc->SrcRegister.File,
inst->SrcReg[i].Index,
@ -813,6 +827,8 @@ tgsi_translate_mesa_program(
}
/* immediates/literals */
memset(immediates, ~0, sizeof(immediates));
for (i = 0; program->Parameters && i < program->Parameters->NumParameters;
i++) {
if (program->Parameters->Parameters[i].Type == PROGRAM_CONSTANT) {