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skia2/tests/sksl/shared/Clockwise.asm.frag

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Enable SPIR-V disassembly output from skslc. We now have SPIR-V golden outputs for `blend` and `shared` tests. This exposes a handful of SPIR-V limitations for us to address. Change-Id: Ie5278889b8a61432403d06231b17765885bee0ac Bug: skia:10694 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/337182 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2020-11-20 21:28:50 +00:00
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %sk_FragColor %sk_Clockwise
OpExecutionMode %main OriginUpperLeft
OpName %sk_FragColor "sk_FragColor"
OpName %sk_Clockwise "sk_Clockwise"
OpName %main "main"
OpDecorate %sk_FragColor RelaxedPrecision
OpDecorate %sk_FragColor Location 0
OpDecorate %sk_FragColor Index 0
OpDecorate %sk_Clockwise BuiltIn FrontFacing
Revert "Don't key progams/pipelines on origin." This reverts commit 943108b0b25d0e13e615dbbdcf712640548d2d0f. Reason for revert: clockwise GM bad on android. Original change's description: > Don't key progams/pipelines on origin. > > SkSL language features that are origin sensitive now use a uniform > to conditionally flip their result rather than generating different > code. > > Previously we would insert a "rt height" uniform if sk_FragCoord needed > to be flipped. sk_FragCoord,y was implemented as "realFragCoord.y" or > "rtHeight - realFragCoord.y" depending on SkSL::ProgramSettings::fFlipY. > > Now we instead use a two component vector rtFlip and sk_FragCoord.y is > always "rtFlip.x + rtFlip.y*realFragCoord.y". We configure rtFlip as > either (0, 1) or (rtHeight, -1). sk_Clockwise and dFdy simiarly use > rtFlip.y to emit code that always works with either origin. > > Bug: skia:12037 > > Change-Id: I7a09d0caac60a58d72b76645ff31bcabde4086b6 > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/414796 > Commit-Queue: Brian Salomon <bsalomon@google.com> > Reviewed-by: Greg Daniel <egdaniel@google.com> > Reviewed-by: Ethan Nicholas <ethannicholas@google.com> TBR=egdaniel@google.com,bsalomon@google.com,ethannicholas@google.com Change-Id: I91cc0d86be216f6c32e453a231de088c991be4b2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: skia:12037 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/425056 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Salomon <bsalomon@google.com>
2021-07-06 19:04:18 +00:00
OpDecorate %13 RelaxedPrecision
OpDecorate %19 RelaxedPrecision
OpDecorate %20 RelaxedPrecision
Enable SPIR-V disassembly output from skslc. We now have SPIR-V golden outputs for `blend` and `shared` tests. This exposes a handful of SPIR-V limitations for us to address. Change-Id: Ie5278889b8a61432403d06231b17765885bee0ac Bug: skia:10694 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/337182 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2020-11-20 21:28:50 +00:00
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%sk_FragColor = OpVariable %_ptr_Output_v4float Output
%bool = OpTypeBool
%_ptr_Input_bool = OpTypePointer Input %bool
%sk_Clockwise = OpVariable %_ptr_Input_bool Input
%void = OpTypeVoid
%11 = OpTypeFunction %void
%int = OpTypeInt 32 1
%int_1 = OpConstant %int 1
%int_n1 = OpConstant %int -1
%main = OpFunction %void None %11
%12 = OpLabel
Revert "Don't key progams/pipelines on origin." This reverts commit 943108b0b25d0e13e615dbbdcf712640548d2d0f. Reason for revert: clockwise GM bad on android. Original change's description: > Don't key progams/pipelines on origin. > > SkSL language features that are origin sensitive now use a uniform > to conditionally flip their result rather than generating different > code. > > Previously we would insert a "rt height" uniform if sk_FragCoord needed > to be flipped. sk_FragCoord,y was implemented as "realFragCoord.y" or > "rtHeight - realFragCoord.y" depending on SkSL::ProgramSettings::fFlipY. > > Now we instead use a two component vector rtFlip and sk_FragCoord.y is > always "rtFlip.x + rtFlip.y*realFragCoord.y". We configure rtFlip as > either (0, 1) or (rtHeight, -1). sk_Clockwise and dFdy simiarly use > rtFlip.y to emit code that always works with either origin. > > Bug: skia:12037 > > Change-Id: I7a09d0caac60a58d72b76645ff31bcabde4086b6 > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/414796 > Commit-Queue: Brian Salomon <bsalomon@google.com> > Reviewed-by: Greg Daniel <egdaniel@google.com> > Reviewed-by: Ethan Nicholas <ethannicholas@google.com> TBR=egdaniel@google.com,bsalomon@google.com,ethannicholas@google.com Change-Id: I91cc0d86be216f6c32e453a231de088c991be4b2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: skia:12037 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/425056 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Salomon <bsalomon@google.com>
2021-07-06 19:04:18 +00:00
%13 = OpLoad %bool %sk_Clockwise
%14 = OpLogicalNot %bool %13
%15 = OpSelect %int %14 %int_1 %int_n1
%19 = OpConvertSToF %float %15
%20 = OpCompositeConstruct %v4float %19 %19 %19 %19
OpStore %sk_FragColor %20
Enable SPIR-V disassembly output from skslc. We now have SPIR-V golden outputs for `blend` and `shared` tests. This exposes a handful of SPIR-V limitations for us to address. Change-Id: Ie5278889b8a61432403d06231b17765885bee0ac Bug: skia:10694 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/337182 Commit-Queue: John Stiles <johnstiles@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
2020-11-20 21:28:50 +00:00
OpReturn
OpFunctionEnd
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