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authorTim Rowley <[email protected]>2016-09-30 15:18:13 -0500
committerTim Rowley <[email protected]>2016-10-03 09:57:31 -0500
commit114f7a92c6a5ea796a4fea9a7b71188fdb243950 (patch)
tree72284495c31e908b24ee5b2d55e6470eb6afb4d1 /src/gallium/drivers/swr
parent4198520a82463aa392762ec156231b95bf2685ac (diff)
swr: [rasterizer jitter] canonicalize blend compile state
Canonicalize to prevent unnecessary JIT compiles. Signed-off-by: Tim Rowley <[email protected]>
Diffstat (limited to 'src/gallium/drivers/swr')
-rw-r--r--src/gallium/drivers/swr/rasterizer/jitter/blend_jit.h37
-rw-r--r--src/gallium/drivers/swr/swr_state.cpp2
2 files changed, 39 insertions, 0 deletions
diff --git a/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.h b/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.h
index af317cc5fe3..ddb7374d406 100644
--- a/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.h
+++ b/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.h
@@ -89,4 +89,41 @@ struct BLEND_COMPILE_STATE
{
return memcmp(this, &other, sizeof(BLEND_COMPILE_STATE)) == 0;
}
+
+ // Canonicalize state to reduce unnecessary JIT compiles
+ void Canonicalize()
+ {
+ if (!desc.alphaTestEnable)
+ {
+ alphaTestFormat = (ALPHA_TEST_FORMAT)0;
+ alphaTestFunction = (SWR_ZFUNCTION)0;
+ }
+
+ if (!blendState.blendEnable)
+ {
+ blendState.sourceAlphaBlendFactor = (SWR_BLEND_FACTOR)0;
+ blendState.destAlphaBlendFactor = (SWR_BLEND_FACTOR)0;
+ blendState.sourceBlendFactor = (SWR_BLEND_FACTOR)0;
+ blendState.destBlendFactor = (SWR_BLEND_FACTOR)0;
+ blendState.colorBlendFunc = (SWR_BLEND_OP)0;
+ blendState.alphaBlendFunc = (SWR_BLEND_OP)0;
+ }
+
+ if (!blendState.logicOpEnable)
+ {
+ blendState.logicOpFunc = (SWR_LOGIC_OP)0;
+ }
+
+ if (!blendState.blendEnable && !blendState.logicOpEnable)
+ {
+ format = (SWR_FORMAT)0;
+ }
+
+ if (!desc.independentAlphaBlendEnable)
+ {
+ blendState.sourceAlphaBlendFactor = (SWR_BLEND_FACTOR)0;
+ blendState.destAlphaBlendFactor = (SWR_BLEND_FACTOR)0;
+ blendState.alphaBlendFunc = (SWR_BLEND_OP)0;
+ }
+ }
};
diff --git a/src/gallium/drivers/swr/swr_state.cpp b/src/gallium/drivers/swr/swr_state.cpp
index 7d49ce7b896..3e023225433 100644
--- a/src/gallium/drivers/swr/swr_state.cpp
+++ b/src/gallium/drivers/swr/swr_state.cpp
@@ -1318,6 +1318,8 @@ swr_update_derived(struct pipe_context *pipe,
swr_convert_depth_func(ctx->depth_stencil->alpha.func);
compileState.alphaTestFormat = ALPHA_TEST_FLOAT32; // xxx
+ compileState.Canonicalize();
+
PFN_BLEND_JIT_FUNC func = NULL;
auto search = ctx->blendJIT->find(compileState);
if (search != ctx->blendJIT->end()) {