Mesa (master): i965/fs: Guess nr_color_regions better in precompile
Chris Forbes
chrisf at kemper.freedesktop.org
Wed Feb 5 21:57:56 UTC 2014
Module: Mesa
Branch: master
Commit: 046f8d8a6fcae641ed0e7e06e24ab5da39a57c86
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=046f8d8a6fcae641ed0e7e06e24ab5da39a57c86
Author: Chris Forbes <chrisf at ijw.co.nz>
Date: Sun Jan 26 11:03:33 2014 +1300
i965/fs: Guess nr_color_regions better in precompile
Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index d7301dd..c2fa06b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -3590,7 +3590,9 @@ brw_fs_precompile(struct gl_context *ctx, struct gl_shader_program *prog)
key.render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
}
- key.nr_color_regions = 1;
+ key.nr_color_regions = _mesa_bitcount_64(fp->Base.OutputsWritten &
+ ~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
+ BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK)));
/* GL_FRAGMENT_SHADER_DERIVATIVE_HINT is almost always GL_DONT_CARE. The
* quality of the derivatives is likely to be determined by the driconf
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