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| author | Eric Anholt <eric@anholt.net> | 2010-07-02 16:17:50 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-07-02 17:06:23 -0700 |
| commit | 4e7d5d0e74c26cac182cea1be0f6b79bb664ad8c (patch) | |
| tree | c71ecff054e381538c1c136f41c46f65f0aa2e43 /src/mesa/drivers/dri/i965/brw_wm_glsl.c | |
| parent | 8f25d198e54a117b36e68582977a644d085a4a94 (diff) | |
| download | external_mesa3d-4e7d5d0e74c26cac182cea1be0f6b79bb664ad8c.zip external_mesa3d-4e7d5d0e74c26cac182cea1be0f6b79bb664ad8c.tar.gz external_mesa3d-4e7d5d0e74c26cac182cea1be0f6b79bb664ad8c.tar.bz2 | |
i965: Add support for the DP2 opcode, which we use for dot(vec2, vec2).
The original glsl compiler would generate a.x * b.x + a.y * b.y, which
we would do mul+mul+add for instead of this mul+mac.
Fixes glsl-fs-dot-vec2.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm_glsl.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index e23ce7a..57be08a 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -1903,6 +1903,9 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) case OPCODE_SWZ: emit_alu1(p, brw_MOV, dst, dst_flags, args[0]); break; + case OPCODE_DP2: + emit_dp2(p, dst, dst_flags, args[0], args[1]); + break; case OPCODE_DP3: emit_dp3(p, dst, dst_flags, args[0], args[1]); break; |