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| author | Vladimir Dergachev <volodya@freedesktop.org> | 2005-02-03 04:16:59 +0000 |
|---|---|---|
| committer | Vladimir Dergachev <volodya@freedesktop.org> | 2005-02-03 04:16:59 +0000 |
| commit | 3f0926b612ca2aaf7a38c2b0ac9a48baa0d7502d (patch) | |
| tree | 44e74ff2e5f5b847d434a7e3fa7e98e1a3e3f519 /src/mesa/drivers/dri/r300/pixel_shader.h | |
| parent | cb085044c9e09742187bb5a1060473bbf03f1e13 (diff) | |
Remove redundant instructions from fixed pipelines, looks like they do not do anything, at least on my hardware.
Diffstat (limited to 'src/mesa/drivers/dri/r300/pixel_shader.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/pixel_shader.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/pixel_shader.h b/src/mesa/drivers/dri/r300/pixel_shader.h index 07c8449734..0d04859f9b 100644 --- a/src/mesa/drivers/dri/r300/pixel_shader.h +++ b/src/mesa/drivers/dri/r300/pixel_shader.h @@ -91,4 +91,13 @@ #define EASY_PFS_INSTR3(dstc, src0, src1, src2, flag) \ MAKE_PFS_INSTR3(dstc, src0, src1, src2, PFS_FLAG_##flag) + /* What are 0's ORed with flags ? They are register numbers that + just happen to be 0 */ +#define PFS_NOP { \ + EASY_PFS_INSTR0(MAD, SRC0C_XYZ, ONE, ZERO), \ + EASY_PFS_INSTR1(0, 0, 0 | PFS_FLAG_CONST, 0 | PFS_FLAG_CONST, NONE, ALL), \ + EASY_PFS_INSTR2(MAD, SRC0A, ONE, ZERO), \ + EASY_PFS_INSTR3(0, 0, 0 | PFS_FLAG_CONST, 0 | PFS_FLAG_CONST, OUTPUT) \ + } + #endif |