diff options
Diffstat (limited to 'src/mesa/state_tracker/st_mesa_to_tgsi.c')
-rw-r--r-- | src/mesa/state_tracker/st_mesa_to_tgsi.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index 43c9afccc3..3140ebe04a 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -101,8 +101,10 @@ map_register_file( */ static GLuint map_register_file_index( + GLuint procType, GLuint file, GLuint index, + GLuint *swizzle, const GLuint inputMapping[], const GLuint outputMapping[], const GLuint immediateMapping[], @@ -110,6 +112,20 @@ map_register_file_index( { switch( file ) { case TGSI_FILE_INPUT: + if (procType == TGSI_PROCESSOR_FRAGMENT && + index == FRAG_ATTRIB_FOGC) { + if (GET_SWZ(*swizzle, 0) == SWIZZLE_X) { + /* do nothing we're, ok */ + } else if (GET_SWZ(*swizzle, 0) == SWIZZLE_Y) { + /* replace the swizzle with xxxx */ + *swizzle = MAKE_SWIZZLE4(SWIZZLE_X, + SWIZZLE_X, + SWIZZLE_X, + SWIZZLE_X); + } else { + /* fixme: point coord */ + } + } /* inputs are mapped according to the user-defined map */ return inputMapping[index]; @@ -236,8 +252,10 @@ compile_instruction( fulldst = &fullinst->FullDstRegisters[0]; fulldst->DstRegister.File = map_register_file( inst->DstReg.File, 0, NULL, GL_FALSE ); fulldst->DstRegister.Index = map_register_file_index( + procType, fulldst->DstRegister.File, inst->DstReg.Index, + NULL, inputMapping, outputMapping, NULL, @@ -246,6 +264,7 @@ compile_instruction( for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) { GLuint j; + GLuint swizzle = inst->SrcReg[i].Swizzle; fullsrc = &fullinst->FullSrcRegisters[i]; @@ -264,8 +283,10 @@ compile_instruction( immediateMapping, indirectAccess ); fullsrc->SrcRegister.Index = map_register_file_index( + procType, fullsrc->SrcRegister.File, inst->SrcReg[i].Index, + &swizzle, inputMapping, outputMapping, immediateMapping, @@ -278,7 +299,7 @@ compile_instruction( GLboolean extended = (inst->SrcReg[i].Negate != NEGATE_NONE && inst->SrcReg[i].Negate != NEGATE_XYZW); for( j = 0; j < 4; j++ ) { - swz[j] = GET_SWZ( inst->SrcReg[i].Swizzle, j ); + swz[j] = GET_SWZ( swizzle, j ); if (swz[j] > SWIZZLE_W) extended = GL_TRUE; } |