cd80689192
Many of our shaders generate the same vector constant dozens of times, e.g. Gaussian blur uses float4(1) repeatedly. This change avoids re-emitting redundant vector constants. Change-Id: I22a71cd8b2783fb997f52d485b49031f64ca6d96 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/350701 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %sk_FragColor %sk_Clockwise
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OpExecutionMode %main OriginUpperLeft
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OpName %sk_FragColor "sk_FragColor"
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OpName %sk_Clockwise "sk_Clockwise"
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OpName %main "main"
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OpDecorate %sk_FragColor RelaxedPrecision
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OpDecorate %sk_FragColor Location 0
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OpDecorate %sk_FragColor Index 0
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OpDecorate %sk_Clockwise RelaxedPrecision
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OpDecorate %sk_Clockwise BuiltIn FrontFacing
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%sk_FragColor = OpVariable %_ptr_Output_v4float Output
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%bool = OpTypeBool
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%_ptr_Input_bool = OpTypePointer Input %bool
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%sk_Clockwise = OpVariable %_ptr_Input_bool Input
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%void = OpTypeVoid
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%11 = OpTypeFunction %void
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%float_1 = OpConstant %float 1
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%19 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
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%false = OpConstantFalse %bool
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%main = OpFunction %void None %11
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%12 = OpLabel
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OpBranch %13
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%13 = OpLabel
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OpLoopMerge %17 %16 None
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OpBranch %14
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%14 = OpLabel
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OpStore %sk_FragColor %19
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OpBranch %15
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%15 = OpLabel
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OpBranchConditional %false %16 %17
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%16 = OpLabel
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OpBranch %13
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%17 = OpLabel
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OpReturn
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OpFunctionEnd
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