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skia2/tests/SkSLTest.cpp
John Stiles 3934647d22 Reland "Implement operator== and != for Metal structs and arrays." 
This is a reland of 830c69ca66

Original change's description:
> Implement operator== and != for Metal structs and arrays.
>
> GLSL/SkSL assumes that == and != on struct/array types should work.
> We need to emit equality and inequality operators whenever we find code
> that compares a struct or array.
>
> Structs and arrays can be arbitrarily nested, and either type can
> contain a matrix. All of these things need custom equality operators in
> Metal. Therefore, we need to recursively generate comparison operators
> when any of these types are encountered.
>
> For arrays we get lucky, and we can cover all possible array types and
> sizes with a single templated operator== method. Structs and matrices
> have no such luck, and are generated separately on a per-type basis.
>
> For each of these types, operator== is implemented as an equality check
> on each field, and operator!= is implemented in terms of operator==.
> Equality and inequality are always emitted together. (Previously, matrix
> equality and inequality were emitted and implemented independently, but
> this is no longer the case.)
>
> Change-Id: I69ee01c0a390d7db6bcb2253ed6336ab20cc4d1d
> Bug: skia:11908, skia:11924
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/402016
> Auto-Submit: John Stiles <johnstiles@google.com>
> Commit-Queue: Brian Osman <brianosman@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>

Bug: skia:11908, skia:11924, skia:11929
Change-Id: I6336b6125e9774c1ca73e3d497e3466f11f6f25f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/402559
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-04-29 22:55:58 +00:00

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/*
* Copyright 2021 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkData.h"
#include "include/core/SkFont.h"
#include "include/core/SkPaint.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkSurface.h"
#include "include/effects/SkGradientShader.h"
#include "include/effects/SkImageFilters.h"
#include "include/effects/SkRuntimeEffect.h"
#include "include/private/SkSLDefines.h" // for kDefaultInlineThreshold
#include "include/utils/SkRandom.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "tests/Test.h"
#include "tools/Resources.h"
#include "tools/ToolUtils.h"
static const SkRect kRect = SkRect::MakeWH(1, 1);
template <typename T>
static void set_uniform(SkRuntimeShaderBuilder* builder, const char* name, const T& value) {
SkRuntimeShaderBuilder::BuilderUniform uniform = builder->uniform(name);
if (uniform.fVar) {
uniform = value;
}
}
static void test_one_permutation(skiatest::Reporter* r,
SkSurface* surface,
const char* testFile,
const char* permutationSuffix,
const SkRuntimeEffect::Options& options) {
SkString resourcePath = SkStringPrintf("sksl/%s", testFile);
sk_sp<SkData> shaderData = GetResourceAsData(resourcePath.c_str());
if (!shaderData) {
ERRORF(r, "%s%s: Unable to load file", testFile, permutationSuffix);
return;
}
SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
SkRuntimeEffect::Result result = SkRuntimeEffect::MakeForShader(shaderString, options);
if (!result.effect) {
ERRORF(r, "%s%s: %s", testFile, permutationSuffix, result.errorText.c_str());
return;
}
SkRuntimeShaderBuilder builder(result.effect);
set_uniform(&builder, "colorBlack", SkV4{0, 0, 0, 1});
set_uniform(&builder, "colorRed", SkV4{1, 0, 0, 1});
set_uniform(&builder, "colorGreen", SkV4{0, 1, 0, 1});
set_uniform(&builder, "colorBlue", SkV4{0, 0, 1, 1});
set_uniform(&builder, "colorWhite", SkV4{1, 1, 1, 1});
set_uniform(&builder, "testInputs", SkV4{-1.25, 0, 0.75, 2.25});
set_uniform(&builder, "testMatrix2x2", std::array<float,4>{1, 2,
3, 4});
set_uniform(&builder, "testMatrix3x3", std::array<float,9>{1, 2, 3,
4, 5, 6,
7, 8, 9});
set_uniform(&builder, "unknownInput", 1.0f);
set_uniform(&builder, "testMatrix2x2", std::array<float,4>{1, 2,
3, 4});
set_uniform(&builder, "testMatrix3x3", std::array<float,9>{1, 2, 3,
4, 5, 6,
7, 8, 9});
sk_sp<SkShader> shader = builder.makeShader(/*localMatrix=*/nullptr, /*isOpaque=*/true);
if (!shader) {
ERRORF(r, "%s%s: Unable to build shader", testFile, permutationSuffix);
return;
}
SkPaint paintShader;
paintShader.setShader(shader);
surface->getCanvas()->drawRect(kRect, paintShader);
SkBitmap bitmap;
REPORTER_ASSERT(r, bitmap.tryAllocPixels(surface->imageInfo()));
REPORTER_ASSERT(r, surface->readPixels(bitmap.info(), bitmap.getPixels(), bitmap.rowBytes(),
/*srcX=*/0, /*srcY=*/0));
SkColor color = bitmap.getColor(0, 0);
REPORTER_ASSERT(r, color == SkColorSetARGB(0xFF, 0x00, 0xFF, 0x00),
"Expected: solid green. Actual: A=%02X R=%02X G=%02X B=%02X.",
SkColorGetA(color), SkColorGetR(color), SkColorGetG(color), SkColorGetB(color));
}
static void test_permutations(skiatest::Reporter* r,
SkSurface* surface,
const char* testFile,
bool worksInES2) {
SkRuntimeEffect::Options options;
options.enforceES2Restrictions = worksInES2;
options.forceNoInline = false;
test_one_permutation(r, surface, testFile, "", options);
options.forceNoInline = true;
test_one_permutation(r, surface, testFile, " (NoInline)", options);
}
static void test_cpu(skiatest::Reporter* r, const char* testFile) {
const SkImageInfo info = SkImageInfo::MakeN32Premul(kRect.width(), kRect.height());
sk_sp<SkSurface> surface(SkSurface::MakeRaster(info));
test_permutations(r, surface.get(), testFile, /*worksInES2=*/true);
}
static void test_gpu(skiatest::Reporter* r, GrDirectContext* ctx, const char* testFile) {
const SkImageInfo info = SkImageInfo::MakeN32Premul(kRect.width(), kRect.height());
sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info));
test_permutations(r, surface.get(), testFile, /*worksInES2=*/true);
}
static void test_es3(skiatest::Reporter* r, GrDirectContext* ctx, const char* testFile) {
// We don't have an ES2 caps bit, so we check for integer support and derivatives support.
// Our ES2 bots should return false for these.
if (!ctx->priv().caps()->shaderCaps()->shaderDerivativeSupport() ||
!ctx->priv().caps()->shaderCaps()->integerSupport()) {
return;
}
// ES3-only tests never run on the CPU, because SkVM lacks support for many non-ES2 features.
const SkImageInfo info = SkImageInfo::MakeN32Premul(kRect.width(), kRect.height());
sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info));
test_permutations(r, surface.get(), testFile, /*worksInES2=*/false);
}
#define SKSL_TEST_CPU(name, path) \
DEF_TEST(name ## _CPU, r) { \
test_cpu(r, path); \
}
#define SKSL_TEST_GPU(name, path) \
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(name ## _GPU, r, ctxInfo) { \
test_gpu(r, ctxInfo.directContext(), path); \
}
#define SKSL_TEST_ES3(name, path) \
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(name ## _GPU, r, ctxInfo) { \
test_es3(r, ctxInfo.directContext(), path); \
}
#define SKSL_TEST(name, path) SKSL_TEST_CPU(name, path) SKSL_TEST_GPU(name, path)
SKSL_TEST(SkSLAssignmentOps, "folding/AssignmentOps.sksl")
SKSL_TEST(SkSLBoolFolding, "folding/BoolFolding.sksl")
SKSL_TEST(SkSLIntFoldingES2, "folding/IntFoldingES2.sksl")
SKSL_TEST_ES3(SkSLIntFoldingES3, "folding/IntFoldingES3.sksl")
SKSL_TEST(SkSLFloatFolding, "folding/FloatFolding.sksl")
// skbug.com/11919: Fails on Nexus5/7, and Intel GPUs
SKSL_TEST_CPU(SkSLMatrixFoldingES2, "folding/MatrixFoldingES2.sksl")
SKSL_TEST(SkSLSelfAssignment, "folding/SelfAssignment.sksl")
SKSL_TEST(SkSLShortCircuitBoolFolding, "folding/ShortCircuitBoolFolding.sksl")
SKSL_TEST(SkSLSwizzleFolding, "folding/SwizzleFolding.sksl")
SKSL_TEST(SkSLVectorScalarFolding, "folding/VectorScalarFolding.sksl")
SKSL_TEST(SkSLVectorVectorFolding, "folding/VectorVectorFolding.sksl")
SKSL_TEST(SkSLForBodyMustBeInlinedIntoAScope, "inliner/ForBodyMustBeInlinedIntoAScope.sksl")
SKSL_TEST_ES3(SkSLForInitializerExpressionsCanBeInlined,
"inliner/ForInitializerExpressionsCanBeInlined.sksl")
SKSL_TEST(SkSLForWithoutReturnInsideCanBeInlined, "inliner/ForWithoutReturnInsideCanBeInlined.sksl")
SKSL_TEST(SkSLForWithReturnInsideCannotBeInlined, "inliner/ForWithReturnInsideCannotBeInlined.sksl")
SKSL_TEST(SkSLIfBodyMustBeInlinedIntoAScope, "inliner/IfBodyMustBeInlinedIntoAScope.sksl")
SKSL_TEST(SkSLIfElseBodyMustBeInlinedIntoAScope, "inliner/IfElseBodyMustBeInlinedIntoAScope.sksl")
SKSL_TEST(SkSLIfElseChainWithReturnsCanBeInlined, "inliner/IfElseChainWithReturnsCanBeInlined.sksl")
SKSL_TEST(SkSLIfTestCanBeInlined, "inliner/IfTestCanBeInlined.sksl")
SKSL_TEST(SkSLIfWithReturnsCanBeInlined, "inliner/IfWithReturnsCanBeInlined.sksl")
SKSL_TEST(SkSLInlineKeywordOverridesThreshold, "inliner/InlineKeywordOverridesThreshold.sksl")
SKSL_TEST(SkSLInlinerAvoidsVariableNameOverlap, "inliner/InlinerAvoidsVariableNameOverlap.sksl")
SKSL_TEST(SkSLInlinerElidesTempVarForReturnsInsideBlock,
"inliner/InlinerElidesTempVarForReturnsInsideBlock.sksl")
SKSL_TEST(SkSLInlinerUsesTempVarForMultipleReturns,
"inliner/InlinerUsesTempVarForMultipleReturns.sksl")
SKSL_TEST(SkSLInlinerUsesTempVarForReturnsInsideBlockWithVar,
"inliner/InlinerUsesTempVarForReturnsInsideBlockWithVar.sksl")
SKSL_TEST(SkSLInlineThreshold, "inliner/InlineThreshold.sksl")
// skbug.com/11919: Fails on Adreno + Vulkan
SKSL_TEST_CPU(SkSLInlineWithInoutArgument, "inliner/InlineWithInoutArgument.sksl")
SKSL_TEST(SkSLInlineWithModifiedArgument, "inliner/InlineWithModifiedArgument.sksl")
SKSL_TEST(SkSLInlineWithNestedBigCalls, "inliner/InlineWithNestedBigCalls.sksl")
SKSL_TEST(SkSLInlineWithUnmodifiedArgument, "inliner/InlineWithUnmodifiedArgument.sksl")
SKSL_TEST(SkSLInlineWithUnnecessaryBlocks, "inliner/InlineWithUnnecessaryBlocks.sksl")
SKSL_TEST(SkSLNoInline, "inliner/NoInline.sksl")
SKSL_TEST(SkSLShortCircuitEvaluationsCannotInlineRightHandSide,
"inliner/ShortCircuitEvaluationsCannotInlineRightHandSide.sksl")
SKSL_TEST(SkSLStructsCanBeInlinedSafely, "inliner/StructsCanBeInlinedSafely.sksl")
SKSL_TEST(SkSLSwizzleCanBeInlinedDirectly, "inliner/SwizzleCanBeInlinedDirectly.sksl")
SKSL_TEST(SkSLTernaryResultsCannotBeInlined, "inliner/TernaryResultsCannotBeInlined.sksl")
SKSL_TEST(SkSLTernaryTestCanBeInlined, "inliner/TernaryTestCanBeInlined.sksl")
SKSL_TEST(SkSLTrivialArgumentsInlineDirectly, "inliner/TrivialArgumentsInlineDirectly.sksl")
SKSL_TEST_ES3(SkSLWhileBodyMustBeInlinedIntoAScope,
"inliner/WhileBodyMustBeInlinedIntoAScope.sksl")
SKSL_TEST_ES3(SkSLWhileTestCannotBeInlined, "inliner/WhileTestCannotBeInlined.sksl")
// TODO(skia:11052): SPIR-V does not yet honor `out` param semantics correctly
SKSL_TEST_CPU(SkSLInlinerHonorsGLSLOutParamSemantics,
"inliner/InlinerHonorsGLSLOutParamSemantics.sksl")
SKSL_TEST(SkSLIntrinsicAbsFloat, "intrinsics/AbsFloat.sksl")
SKSL_TEST(SkSLIntrinsicCeil, "intrinsics/Ceil.sksl")
SKSL_TEST(SkSLIntrinsicClampFloat, "intrinsics/ClampFloat.sksl")
SKSL_TEST(SkSLIntrinsicMaxFloat, "intrinsics/MaxFloat.sksl")
SKSL_TEST(SkSLIntrinsicMinFloat, "intrinsics/MinFloat.sksl")
// skbug.com/11919: Fails on Adreno + Vulkan
SKSL_TEST_CPU(SkSLIntrinsicMixFloat, "intrinsics/MixFloat.sksl")
SKSL_TEST(SkSLIntrinsicSignFloat, "intrinsics/SignFloat.sksl")
SKSL_TEST_ES3(SkSLArrayComparison, "shared/ArrayComparison.sksl")
SKSL_TEST(SkSLArrayTypes, "shared/ArrayTypes.sksl")
SKSL_TEST(SkSLAssignment, "shared/Assignment.sksl")
SKSL_TEST(SkSLCastsRoundTowardZero, "shared/CastsRoundTowardZero.sksl")
SKSL_TEST(SkSLCommaMixedTypes, "shared/CommaMixedTypes.sksl")
// This test causes the Adreno 330 driver to crash, and does not pass on Quadro P400 in wasm.
// The CPU test confirms that we can get it right, even if not all drivers do.
SKSL_TEST_CPU(SkSLCommaSideEffects, "shared/CommaSideEffects.sksl")
SKSL_TEST(SkSLConstantIf, "shared/ConstantIf.sksl")
SKSL_TEST(SkSLConstVariableComparison, "shared/ConstVariableComparison.sksl")
SKSL_TEST(SkSLDeadIfStatement, "shared/DeadIfStatement.sksl")
SKSL_TEST(SkSLDeadStripFunctions, "shared/DeadStripFunctions.sksl")
SKSL_TEST(SkSLDependentInitializers, "shared/DependentInitializers.sksl")
SKSL_TEST(SkSLEmptyBlocksES2, "shared/EmptyBlocksES2.sksl")
SKSL_TEST(SkSLForLoopControlFlow, "shared/ForLoopControlFlow.sksl")
SKSL_TEST(SkSLFunctionArgTypeMatch, "shared/FunctionArgTypeMatch.sksl")
SKSL_TEST(SkSLFunctionReturnTypeMatch, "shared/FunctionReturnTypeMatch.sksl")
SKSL_TEST(SkSLFunctions, "shared/Functions.sksl")
SKSL_TEST(SkSLGeometricIntrinsics, "shared/GeometricIntrinsics.sksl")
SKSL_TEST(SkSLHelloWorld, "shared/HelloWorld.sksl")
SKSL_TEST(SkSLHex, "shared/Hex.sksl")
SKSL_TEST(SkSLMatrices, "shared/Matrices.sksl")
SKSL_TEST(SkSLMatrixEquality, "shared/MatrixEquality.sksl")
SKSL_TEST(SkSLMultipleAssignments, "shared/MultipleAssignments.sksl")
SKSL_TEST(SkSLNegatedVectorLiteral, "shared/NegatedVectorLiteral.sksl")
SKSL_TEST(SkSLNumberCasts, "shared/NumberCasts.sksl")
SKSL_TEST(SkSLOperatorsES2, "shared/OperatorsES2.sksl")
// skbug.com/11919: Fails on Adreno + Vulkan
SKSL_TEST_CPU(SkSLOutParams, "shared/OutParams.sksl")
SKSL_TEST_CPU(SkSLOutParamsNoInline, "shared/OutParamsNoInline.sksl")
SKSL_TEST_CPU(SkSLOutParamsTricky, "shared/OutParamsTricky.sksl")
SKSL_TEST(SkSLResizeMatrix, "shared/ResizeMatrix.sksl")
SKSL_TEST(SkSLReturnsValueOnEveryPathES2, "shared/ReturnsValueOnEveryPathES2.sksl")
SKSL_TEST(SkSLScalarConversionConstructorsES2, "shared/ScalarConversionConstructorsES2.sksl")
SKSL_TEST(SkSLStackingVectorCasts, "shared/StackingVectorCasts.sksl")
SKSL_TEST(SkSLStaticIf, "shared/StaticIf.sksl")
SKSL_TEST(SkSLStructsInFunctions, "shared/StructsInFunctions.sksl")
SKSL_TEST(SkSLSwizzleBoolConstants, "shared/SwizzleBoolConstants.sksl")
SKSL_TEST(SkSLSwizzleByConstantIndex, "shared/SwizzleByConstantIndex.sksl")
SKSL_TEST(SkSLSwizzleConstants, "shared/SwizzleConstants.sksl")
SKSL_TEST(SkSLSwizzleLTRB, "shared/SwizzleLTRB.sksl")
SKSL_TEST(SkSLSwizzleOpt, "shared/SwizzleOpt.sksl")
SKSL_TEST(SkSLSwizzleScalar, "shared/SwizzleScalar.sksl")
SKSL_TEST(SkSLTernaryAsLValueEntirelyFoldable, "shared/TernaryAsLValueEntirelyFoldable.sksl")
SKSL_TEST(SkSLTernaryAsLValueFoldableTest, "shared/TernaryAsLValueFoldableTest.sksl")
SKSL_TEST(SkSLTernaryExpression, "shared/TernaryExpression.sksl")
SKSL_TEST(SkSLUnaryPositiveNegative, "shared/UnaryPositiveNegative.sksl")
SKSL_TEST(SkSLUnusedVariables, "shared/UnusedVariables.sksl")
SKSL_TEST(SkSLVectorConstructors, "shared/VectorConstructors.sksl")
// skbug.com/11919: Fails on Nexus5/7, and Intel GPUs
SKSL_TEST_CPU(SkSLVectorScalarMath, "shared/VectorScalarMath.sksl")
/*
// Incompatible with Runtime Effects because calling a function before its definition is disallowed.
// (This was done to prevent recursion, as required by ES2.)
SKSL_TEST(SkSLFunctionPrototype, "shared/FunctionPrototype.sksl")
*/
/*
TODO(skia:11209): enable these tests when Runtime Effects have support for ES3
SKSL_TEST(SkSLMatrixFoldingES3, "folding/MatrixFoldingES3.sksl")
SKSL_TEST(SkSLDoWhileBodyMustBeInlinedIntoAScope, "inliner/DoWhileBodyMustBeInlinedIntoAScope.sksl")
SKSL_TEST(SkSLDoWhileTestCannotBeInlined, "inliner/DoWhileTestCannotBeInlined.sksl")
SKSL_TEST(SkSLEnumsCanBeInlinedSafely, "inliner/EnumsCanBeInlinedSafely.sksl")
SKSL_TEST(SkSLStaticSwitch, "inliner/StaticSwitch.sksl")
SKSL_TEST(SkSLIntrinsicAbsInt, "intrinsics/AbsInt.sksl")
SKSL_TEST(SkSLIntrinsicClampInt, "intrinsics/ClampInt.sksl")
SKSL_TEST(SkSLIntrinsicMaxInt, "intrinsics/MaxInt.sksl")
SKSL_TEST(SkSLIntrinsicMinInt, "intrinsics/MinInt.sksl")
SKSL_TEST(SkSLIntrinsicMixBool, "intrinsics/MixBool.sksl")
SKSL_TEST(SkSLIntrinsicSignInt, "intrinsics/SignInt.sksl")
SKSL_TEST(SkSLArrayConstructors, "shared/ArrayConstructors.sksl")
SKSL_TEST(SkSLDeadLoopVariable, "shared/DeadLoopVariable.sksl")
SKSL_TEST(SkSLDoWhileControlFlow, "shared/DoWhileControlFlow.sksl")
SKSL_TEST(SkSLEmptyBlocksES3, "shared/EmptyBlocksES3.sksl")
SKSL_TEST(SkSLHexUnsigned, "shared/HexUnsigned.sksl")
SKSL_TEST(SkSLMatricesNonsquare, "shared/MatricesNonsquare.sksl")
SKSL_TEST(SkSLOperatorsES3, "shared/OperatorsES3.sksl")
SKSL_TEST(SkSLResizeMatrixNonsquare, "shared/ResizeMatrixNonsquare.sksl")
SKSL_TEST(SkSLReturnsValueOnEveryPathES3, "shared/ReturnsValueOnEveryPathES3.sksl")
SKSL_TEST(SkSLScalarConversionConstructorsES3, "shared/ScalarConversionConstructorsES3.sksl")
SKSL_TEST(SkSLSwizzleByIndex, "shared/SwizzleByIndex.sksl")
SKSL_TEST(SkSLWhileLoopControlFlow, "shared/WhileLoopControlFlow.sksl")
*/
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