diff options
author | Alex Deucher <alexdeucher@gmail.com> | 2009-07-15 14:17:07 -0400 |
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committer | Alex Deucher <alexdeucher@gmail.com> | 2009-07-15 14:17:07 -0400 |
commit | c5c19919ce627b98d8aab4284da1694573bcccd4 (patch) | |
tree | 2e29b313b79b6a392e020fd5723e3cc00c800fd2 /src/mesa/shader/program.c | |
parent | a0d4a12614fce072fa1eb5516e626909171c95e1 (diff) | |
parent | 3a3b83e5112b725e22f05b32a273a2351b820944 (diff) |
Merge branch 'master' of git+ssh://agd5f@git.freedesktop.org/git/mesa/mesa into r6xx-rewrite
This builds, but I get an assertion in radeonGetLock() due to
the drawable being null.
Diffstat (limited to 'src/mesa/shader/program.c')
-rw-r--r-- | src/mesa/shader/program.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c index d270bf9e1c..4623ff60de 100644 --- a/src/mesa/shader/program.c +++ b/src/mesa/shader/program.c @@ -820,3 +820,63 @@ _mesa_find_free_register(const struct gl_program *prog, GLuint regFile) return -1; } + + + +/** + * "Post-process" a GPU program. This is intended to be used for debugging. + * Example actions include no-op'ing instructions or changing instruction + * behaviour. + */ +void +_mesa_postprocess_program(GLcontext *ctx, struct gl_program *prog) +{ + static const GLfloat white[4] = { 0.5, 0.5, 0.5, 0.5 }; + GLuint i; + GLuint whiteSwizzle; + GLint whiteIndex = _mesa_add_unnamed_constant(prog->Parameters, + white, 4, &whiteSwizzle); + + (void) whiteIndex; + + for (i = 0; i < prog->NumInstructions; i++) { + struct prog_instruction *inst = prog->Instructions + i; + const GLuint n = _mesa_num_inst_src_regs(inst->Opcode); + + (void) n; + + if (_mesa_is_tex_instruction(inst->Opcode)) { +#if 0 + /* replace TEX/TXP/TXB with MOV */ + inst->Opcode = OPCODE_MOV; + inst->DstReg.WriteMask = WRITEMASK_XYZW; + inst->SrcReg[0].Swizzle = SWIZZLE_XYZW; + inst->SrcReg[0].Negate = NEGATE_NONE; +#endif + +#if 0 + /* disable shadow texture mode */ + inst->TexShadow = 0; +#endif + } + + if (inst->Opcode == OPCODE_TXP) { +#if 0 + inst->Opcode = OPCODE_MOV; + inst->DstReg.WriteMask = WRITEMASK_XYZW; + inst->SrcReg[0].File = PROGRAM_CONSTANT; + inst->SrcReg[0].Index = whiteIndex; + inst->SrcReg[0].Swizzle = SWIZZLE_XYZW; + inst->SrcReg[0].Negate = NEGATE_NONE; +#endif +#if 0 + inst->TexShadow = 0; +#endif +#if 0 + inst->Opcode = OPCODE_TEX; + inst->TexShadow = 0; +#endif + } + + } +} |