diff options
| -rw-r--r-- | src/mesa/state_tracker/st_mesa_to_tgsi.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index 150545dfadc..9029f12056f 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -39,8 +39,6 @@ #include "shader/prog_instruction.h" #include "shader/prog_parameter.h" -#define TGSI_DEBUG 0 - /* * Map mesa register file to TGSI register file. @@ -56,8 +54,8 @@ map_register_file( return TGSI_FILE_NULL; case PROGRAM_TEMPORARY: return TGSI_FILE_TEMPORARY; - //case PROGRAM_LOCAL_PARAM: - //case PROGRAM_ENV_PARAM: + /*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 @@ -230,21 +228,27 @@ compile_instruction( outputMapping, immediateMapping); - for( j = 0; j < 4; j++ ) { - GLuint swz; - - swz = GET_SWZ( inst->SrcReg[i].Swizzle, j ); - if( swz > SWIZZLE_W ) { - tgsi_util_set_src_register_extswizzle( - &fullsrc->SrcRegisterExtSwz, - swz, - j ); + /* swizzle (ext swizzle also depends on negation) */ + { + GLuint swz[4]; + GLboolean extended = (inst->SrcReg[i].NegateBase != NEGATE_NONE && + inst->SrcReg[i].NegateBase != NEGATE_XYZW); + for( j = 0; j < 4; j++ ) { + swz[j] = GET_SWZ( inst->SrcReg[i].Swizzle, j ); + if (swz[j] > SWIZZLE_W) + extended = GL_TRUE; + } + if (extended) { + for (j = 0; j < 4; j++) { + tgsi_util_set_src_register_extswizzle(&fullsrc->SrcRegisterExtSwz, + swz[j], j); + } } else { - tgsi_util_set_src_register_swizzle( - &fullsrc->SrcRegister, - swz, - j ); + for (j = 0; j < 4; j++) { + tgsi_util_set_src_register_swizzle(&fullsrc->SrcRegister, + swz[j], j); + } } } |