Source/ThirdParty/ANGLE/src/tests/perf_tests/CompilerPerf.cpp - WebKit - Git at Google

 //
 // Copyright 2018 The ANGLE Project Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // CompilerPerfTest:
 //   Performance test for the shader translator. The test initializes the compiler once and then
 //   compiles the same shader repeatedly. There are different variations of the tests using
 //   different shaders.
 //

 #include "ANGLEPerfTest.h"

 #include "GLSLANG/ShaderLang.h"
 #include "compiler/translator/Compiler.h"
 #include "compiler/translator/InitializeGlobals.h"
 #include "compiler/translator/PoolAlloc.h"

 namespace
 {

 const char *kSimpleESSL100FragSource = R"(
 precision mediump float;
 void main()
 {
     gl_FragColor = vec4(0, 1, 0, 1);
 }
 )";

 const char *kSimpleESSL100Id = "SimpleESSL100";

 const char *kSimpleESSL300FragSource = R"(#version 300 es
 precision highp float;
 out vec4 outColor;
 void main()
 {
     outColor = vec4(0, 1, 0, 1);
 }
 )";

 const char *kSimpleESSL300Id = "SimpleESSL300";

 const char *kRealWorldESSL100FragSource = R"(precision highp float;
 precision highp sampler2D;
 precision highp int;
 varying vec2 vPixelCoords; // in pixels
 uniform int uCircleCount;
 uniform sampler2D uCircleParameters;
 uniform sampler2D uBrushTex;
 void main(void)
 {
     float destAlpha = 0.0;
     for (int i = 0; i < 32; ++i)
     {
         vec4 parameterColor = texture2D(uCircleParameters,vec2(0.25, (float(i) + 0.5) / 32.0));
         vec2 center = parameterColor.xy;
         float circleRadius = parameterColor.z;
         float circleFlowAlpha = parameterColor.w;
         vec4 parameterColor2 = texture2D(uCircleParameters,vec2(0.75, (float(i) + 0.5) / 32.0));
         float circleRotation = parameterColor2.x;
         vec2 centerDiff = vPixelCoords - center;
         float radius = max(circleRadius, 0.5);
         float flowAlpha = (circleRadius < 0.5) ? circleFlowAlpha * circleRadius * circleRadius * 4.0: circleFlowAlpha;
         float antialiasMult = clamp((radius + 1.0 - length(centerDiff)) * 0.5, 0.0, 1.0);
         mat2 texRotation = mat2(cos(circleRotation), -sin(circleRotation), sin(circleRotation), cos(circleRotation));
         vec2 texCoords = texRotation * centerDiff / radius * 0.5 + 0.5;
         float texValue = texture2D(uBrushTex, texCoords).r;
         float circleAlpha = flowAlpha * antialiasMult * texValue;
         if (i < uCircleCount)
         {
             destAlpha = clamp(circleAlpha + (1.0 - circleAlpha) * destAlpha, 0.0, 1.0);
         }
     }
     gl_FragColor = vec4(0.0, 0.0, 0.0, destAlpha);
 })";

 const char *kRealWorldESSL100Id = "RealWorldESSL100";

 // This shader is intended to trigger many AST transformations, particularly on the HLSL backend.
 const char *kTrickyESSL300FragSource = R"(#version 300 es
 precision highp float;
 precision highp sampler2D;
 precision highp isampler2D;
 precision highp int;

 float globalF;

 uniform ivec4 uivec;
 uniform int ui;

 struct SS
 {
     int iField;
     float fField;
     vec2 f2Field;
     sampler2D sField;
     isampler2D isField;
 };
 uniform SS us;

 out vec4 my_FragColor;

 float[3] sideEffectArray()
 {
     globalF += 1.0;
     return float[3](globalF, globalF * 2.0, globalF * 3.0);
 }

 // This struct is unused and can be pruned.
 struct SUnused
 {
     vec2 fField;
 };

 void main()
 {
     struct S2
     {
         float fField;
     } s2;
     vec4 foo = vec4(ui);
     mat4 fooM = mat4(foo.x);

     // Some unused variables that can be pruned.
     float fUnused, fUnused2;
     ivec4 iUnused, iUnused2;

     globalF = us.fField;
     s2.fField = us.fField;

     float[3] fa = sideEffectArray();

     globalF -= us.fField;
     if (fa == sideEffectArray())
     {
         globalF += us.fField * sin(2.0);
     }

     // Switch with fall-through.
     switch (ui)
     {
       case 0:
         // Sequence operator and matrix and vector dynamic indexing.
         (globalF += 1.0, fooM[ui][ui] += fooM[ui - 1][uivec[ui] + 1]);
       case 1:
         // Built-in emulation.
         foo[3] = tanh(foo[1]);
       default:
         // Sequence operator and length of an array expression with side effects.
         foo[2] += (globalF -= 1.0, float((sideEffectArray()).length() * 2));
     }
     int i = 0;
     do
     {
         s2.fField = us.fField * us.f2Field.x;
         // Sequence operator and short-circuiting operator with side effects on the right hand side.
     } while ((++i, i < int(us.fField) && ++i <= ui || ++i < ui * 2 - 3));
     // Samplers in structures and integer texture sampling.
     foo += texture(us.sField, us.f2Field) + intBitsToFloat(texture(us.isField, us.f2Field + 4.0));
     my_FragColor = foo * s2.fField * globalF + fooM[ui];
 })";

 const char *kTrickyESSL300Id = "TrickyESSL300";

 constexpr int kNumIterationsPerStep = 4;

 struct CompilerParameters
 {
     CompilerParameters() { output = SH_HLSL_4_1_OUTPUT; }

     CompilerParameters(ShShaderOutput output) : output(output) {}

     const char *str() const
     {
         switch (output)
         {
             case SH_HLSL_4_1_OUTPUT:
                 return "HLSL_4_1";
             case SH_GLSL_450_CORE_OUTPUT:
                 return "GLSL_4_50";
             case SH_ESSL_OUTPUT:
                 return "ESSL";
             default:
                 UNREACHABLE();
                 return "unk";
         }
     }

     ShShaderOutput output;
 };

 bool IsPlatformAvailable(const CompilerParameters &param)
 {
     switch (param.output)
     {
         case SH_HLSL_4_1_OUTPUT:
         case SH_HLSL_4_0_FL9_3_OUTPUT:
         case SH_HLSL_3_0_OUTPUT:
         {
             angle::PoolAllocator allocator;
             InitializePoolIndex();
             allocator.push();
             SetGlobalPoolAllocator(&allocator);
             ShHandle translator =
                 sh::ConstructCompiler(GL_FRAGMENT_SHADER, SH_WEBGL2_SPEC, param.output);
             bool success = translator != nullptr;
             SetGlobalPoolAllocator(nullptr);
             allocator.pop();
             FreePoolIndex();
             if (!success)
             {
                 return false;
             }
             break;
         }
         default:
             break;
     }
     return true;
 }

 struct CompilerPerfParameters final : public CompilerParameters
 {
     CompilerPerfParameters(ShShaderOutput output,
                            const char *shaderSource,
                            const char *shaderSourceId)
         : CompilerParameters(output), shaderSource(shaderSource)
     {
         testId = shaderSourceId;
         testId += "_";
         testId += CompilerParameters::str();
     }

     const char *shaderSource;
     std::string testId;
 };

 std::ostream &operator<<(std::ostream &stream, const CompilerPerfParameters &p)
 {
     stream << p.testId;
     return stream;
 }

 class CompilerPerfTest : public ANGLEPerfTest,
                          public ::testing::WithParamInterface<CompilerPerfParameters>
 {
   public:
     CompilerPerfTest();

     void step() override;

     void SetUp() override;
     void TearDown() override;

   protected:
     void setTestShader(const char *str) { mTestShader = str; }

   private:
     const char *mTestShader;

     ShBuiltInResources mResources;
     angle::PoolAllocator mAllocator;
     sh::TCompiler *mTranslator;
 };

 CompilerPerfTest::CompilerPerfTest()
     : ANGLEPerfTest("CompilerPerf", GetParam().testId, kNumIterationsPerStep)
 {}

 void CompilerPerfTest::SetUp()
 {
     ANGLEPerfTest::SetUp();

     InitializePoolIndex();
     mAllocator.push();
     SetGlobalPoolAllocator(&mAllocator);

     const auto &params = GetParam();

     mTranslator = sh::ConstructCompiler(GL_FRAGMENT_SHADER, SH_WEBGL2_SPEC, params.output);
     sh::InitBuiltInResources(&mResources);
     mResources.FragmentPrecisionHigh = true;
     if (!mTranslator->Init(mResources))
     {
         SafeDelete(mTranslator);
     }

     setTestShader(params.shaderSource);
 }

 void CompilerPerfTest::TearDown()
 {
     SafeDelete(mTranslator);

     SetGlobalPoolAllocator(nullptr);
     mAllocator.pop();

     FreePoolIndex();

     ANGLEPerfTest::TearDown();
 }

 void CompilerPerfTest::step()
 {
     const char *shaderStrings[] = {mTestShader};

     ShCompileOptions compileOptions = SH_OBJECT_CODE | SH_VARIABLES |
                                       SH_INITIALIZE_UNINITIALIZED_LOCALS | SH_INIT_OUTPUT_VARIABLES;

 #if !defined(NDEBUG)
     // Make sure that compilation succeeds and print the info log if it doesn't in debug mode.
     if (!mTranslator->compile(shaderStrings, 1, compileOptions))
     {
         std::cout << "Compiling perf test shader failed with log:\n"
                   << mTranslator->getInfoSink().info.c_str();
     }
 #endif

     for (unsigned int iteration = 0; iteration < kNumIterationsPerStep; ++iteration)
     {
         mTranslator->compile(shaderStrings, 1, compileOptions);
     }
 }

 TEST_P(CompilerPerfTest, Run)
 {
     run();
 }

 ANGLE_INSTANTIATE_TEST(
     CompilerPerfTest,
     CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kSimpleESSL100FragSource, kSimpleESSL100Id),
     CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kSimpleESSL300FragSource, kSimpleESSL300Id),
     CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kRealWorldESSL100FragSource, kRealWorldESSL100Id),
     CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kTrickyESSL300FragSource, kTrickyESSL300Id),
     CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT, kSimpleESSL100FragSource, kSimpleESSL100Id),
     CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT, kSimpleESSL300FragSource, kSimpleESSL300Id),
     CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT,
                            kRealWorldESSL100FragSource,
                            kRealWorldESSL100Id),
     CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT, kTrickyESSL300FragSource, kTrickyESSL300Id),
     CompilerPerfParameters(SH_ESSL_OUTPUT, kSimpleESSL100FragSource, kSimpleESSL100Id),
     CompilerPerfParameters(SH_ESSL_OUTPUT, kSimpleESSL300FragSource, kSimpleESSL300Id),
     CompilerPerfParameters(SH_ESSL_OUTPUT, kRealWorldESSL100FragSource, kRealWorldESSL100Id),
     CompilerPerfParameters(SH_ESSL_OUTPUT, kTrickyESSL300FragSource, kTrickyESSL300Id));

 }  // anonymous namespace
	//
	// Copyright 2018 The ANGLE Project Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.
	//
	// CompilerPerfTest:
	// Performance test for the shader translator. The test initializes the compiler once and then
	// compiles the same shader repeatedly. There are different variations of the tests using
	// different shaders.
	//

	#include "ANGLEPerfTest.h"

	#include "GLSLANG/ShaderLang.h"
	#include "compiler/translator/Compiler.h"
	#include "compiler/translator/InitializeGlobals.h"
	#include "compiler/translator/PoolAlloc.h"

	namespace
	{

	const char *kSimpleESSL100FragSource = R"(
	precision mediump float;
	void main()
	{
	gl_FragColor = vec4(0, 1, 0, 1);
	}
	)";

	const char *kSimpleESSL100Id = "SimpleESSL100";

	const char *kSimpleESSL300FragSource = R"(#version 300 es
	precision highp float;
	out vec4 outColor;
	void main()
	{
	outColor = vec4(0, 1, 0, 1);
	}
	)";

	const char *kSimpleESSL300Id = "SimpleESSL300";

	const char *kRealWorldESSL100FragSource = R"(precision highp float;
	precision highp sampler2D;
	precision highp int;
	varying vec2 vPixelCoords; // in pixels
	uniform int uCircleCount;
	uniform sampler2D uCircleParameters;
	uniform sampler2D uBrushTex;
	void main(void)
	{
	float destAlpha = 0.0;
	for (int i = 0; i < 32; ++i)
	{
	vec4 parameterColor = texture2D(uCircleParameters,vec2(0.25, (float(i) + 0.5) / 32.0));
	vec2 center = parameterColor.xy;
	float circleRadius = parameterColor.z;
	float circleFlowAlpha = parameterColor.w;
	vec4 parameterColor2 = texture2D(uCircleParameters,vec2(0.75, (float(i) + 0.5) / 32.0));
	float circleRotation = parameterColor2.x;
	vec2 centerDiff = vPixelCoords - center;
	float radius = max(circleRadius, 0.5);
	float flowAlpha = (circleRadius < 0.5) ? circleFlowAlpha * circleRadius * circleRadius * 4.0: circleFlowAlpha;
	float antialiasMult = clamp((radius + 1.0 - length(centerDiff)) * 0.5, 0.0, 1.0);
	mat2 texRotation = mat2(cos(circleRotation), -sin(circleRotation), sin(circleRotation), cos(circleRotation));
	vec2 texCoords = texRotation * centerDiff / radius * 0.5 + 0.5;
	float texValue = texture2D(uBrushTex, texCoords).r;
	float circleAlpha = flowAlpha * antialiasMult * texValue;
	if (i < uCircleCount)
	{
	destAlpha = clamp(circleAlpha + (1.0 - circleAlpha) * destAlpha, 0.0, 1.0);
	}
	}
	gl_FragColor = vec4(0.0, 0.0, 0.0, destAlpha);
	})";

	const char *kRealWorldESSL100Id = "RealWorldESSL100";

	// This shader is intended to trigger many AST transformations, particularly on the HLSL backend.
	const char *kTrickyESSL300FragSource = R"(#version 300 es
	precision highp float;
	precision highp sampler2D;
	precision highp isampler2D;
	precision highp int;

	float globalF;

	uniform ivec4 uivec;
	uniform int ui;

	struct SS
	{
	int iField;
	float fField;
	vec2 f2Field;
	sampler2D sField;
	isampler2D isField;
	};
	uniform SS us;

	out vec4 my_FragColor;

	float[3] sideEffectArray()
	{
	globalF += 1.0;
	return float[3](globalF, globalF * 2.0, globalF * 3.0);
	}

	// This struct is unused and can be pruned.
	struct SUnused
	{
	vec2 fField;
	};

	void main()
	{
	struct S2
	{
	float fField;
	} s2;
	vec4 foo = vec4(ui);
	mat4 fooM = mat4(foo.x);

	// Some unused variables that can be pruned.
	float fUnused, fUnused2;
	ivec4 iUnused, iUnused2;

	globalF = us.fField;
	s2.fField = us.fField;

	float[3] fa = sideEffectArray();

	globalF -= us.fField;
	if (fa == sideEffectArray())
	{
	globalF += us.fField * sin(2.0);
	}

	// Switch with fall-through.
	switch (ui)
	{
	case 0:
	// Sequence operator and matrix and vector dynamic indexing.
	(globalF += 1.0, fooM[ui][ui] += fooM[ui - 1][uivec[ui] + 1]);
	case 1:
	// Built-in emulation.
	foo[3] = tanh(foo[1]);
	default:
	// Sequence operator and length of an array expression with side effects.
	foo[2] += (globalF -= 1.0, float((sideEffectArray()).length() * 2));
	}
	int i = 0;
	do
	{
	s2.fField = us.fField * us.f2Field.x;
	// Sequence operator and short-circuiting operator with side effects on the right hand side.
	} while ((++i, i < int(us.fField) && ++i <= ui \|\| ++i < ui * 2 - 3));
	// Samplers in structures and integer texture sampling.
	foo += texture(us.sField, us.f2Field) + intBitsToFloat(texture(us.isField, us.f2Field + 4.0));
	my_FragColor = foo * s2.fField * globalF + fooM[ui];
	})";

	const char *kTrickyESSL300Id = "TrickyESSL300";

	constexpr int kNumIterationsPerStep = 4;

	struct CompilerParameters
	{
	CompilerParameters() { output = SH_HLSL_4_1_OUTPUT; }

	CompilerParameters(ShShaderOutput output) : output(output) {}

	const char *str() const
	{
	switch (output)
	{
	case SH_HLSL_4_1_OUTPUT:
	return "HLSL_4_1";
	case SH_GLSL_450_CORE_OUTPUT:
	return "GLSL_4_50";
	case SH_ESSL_OUTPUT:
	return "ESSL";
	default:
	UNREACHABLE();
	return "unk";
	}
	}

	ShShaderOutput output;
	};

	bool IsPlatformAvailable(const CompilerParameters &param)
	{
	switch (param.output)
	{
	case SH_HLSL_4_1_OUTPUT:
	case SH_HLSL_4_0_FL9_3_OUTPUT:
	case SH_HLSL_3_0_OUTPUT:
	{
	angle::PoolAllocator allocator;
	InitializePoolIndex();
	allocator.push();
	SetGlobalPoolAllocator(&allocator);
	ShHandle translator =
	sh::ConstructCompiler(GL_FRAGMENT_SHADER, SH_WEBGL2_SPEC, param.output);
	bool success = translator != nullptr;
	SetGlobalPoolAllocator(nullptr);
	allocator.pop();
	FreePoolIndex();
	if (!success)
	{
	return false;
	}
	break;
	}
	default:
	break;
	}
	return true;
	}

	struct CompilerPerfParameters final : public CompilerParameters
	{
	CompilerPerfParameters(ShShaderOutput output,
	const char *shaderSource,
	const char *shaderSourceId)
	: CompilerParameters(output), shaderSource(shaderSource)
	{
	testId = shaderSourceId;
	testId += "_";
	testId += CompilerParameters::str();
	}

	const char *shaderSource;
	std::string testId;
	};

	std::ostream &operator<<(std::ostream &stream, const CompilerPerfParameters &p)
	{
	stream << p.testId;
	return stream;
	}

	class CompilerPerfTest : public ANGLEPerfTest,
	public ::testing::WithParamInterface<CompilerPerfParameters>
	{
	public:
	CompilerPerfTest();

	void step() override;

	void SetUp() override;
	void TearDown() override;

	protected:
	void setTestShader(const char *str) { mTestShader = str; }

	private:
	const char *mTestShader;

	ShBuiltInResources mResources;
	angle::PoolAllocator mAllocator;
	sh::TCompiler *mTranslator;
	};

	CompilerPerfTest::CompilerPerfTest()
	: ANGLEPerfTest("CompilerPerf", GetParam().testId, kNumIterationsPerStep)
	{}

	void CompilerPerfTest::SetUp()
	{
	ANGLEPerfTest::SetUp();

	InitializePoolIndex();
	mAllocator.push();
	SetGlobalPoolAllocator(&mAllocator);

	const auto &params = GetParam();

	mTranslator = sh::ConstructCompiler(GL_FRAGMENT_SHADER, SH_WEBGL2_SPEC, params.output);
	sh::InitBuiltInResources(&mResources);
	mResources.FragmentPrecisionHigh = true;
	if (!mTranslator->Init(mResources))
	{
	SafeDelete(mTranslator);
	}

	setTestShader(params.shaderSource);
	}

	void CompilerPerfTest::TearDown()
	{
	SafeDelete(mTranslator);

	SetGlobalPoolAllocator(nullptr);
	mAllocator.pop();

	FreePoolIndex();

	ANGLEPerfTest::TearDown();
	}

	void CompilerPerfTest::step()
	{
	const char *shaderStrings[] = {mTestShader};

	ShCompileOptions compileOptions = SH_OBJECT_CODE \| SH_VARIABLES \|
	SH_INITIALIZE_UNINITIALIZED_LOCALS \| SH_INIT_OUTPUT_VARIABLES;

	#if !defined(NDEBUG)
	// Make sure that compilation succeeds and print the info log if it doesn't in debug mode.
	if (!mTranslator->compile(shaderStrings, 1, compileOptions))
	{
	std::cout << "Compiling perf test shader failed with log:\n"
	<< mTranslator->getInfoSink().info.c_str();
	}
	#endif

	for (unsigned int iteration = 0; iteration < kNumIterationsPerStep; ++iteration)
	{
	mTranslator->compile(shaderStrings, 1, compileOptions);
	}
	}

	TEST_P(CompilerPerfTest, Run)
	{
	run();
	}

	ANGLE_INSTANTIATE_TEST(
	CompilerPerfTest,
	CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kSimpleESSL100FragSource, kSimpleESSL100Id),
	CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kSimpleESSL300FragSource, kSimpleESSL300Id),
	CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kRealWorldESSL100FragSource, kRealWorldESSL100Id),
	CompilerPerfParameters(SH_HLSL_4_1_OUTPUT, kTrickyESSL300FragSource, kTrickyESSL300Id),
	CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT, kSimpleESSL100FragSource, kSimpleESSL100Id),
	CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT, kSimpleESSL300FragSource, kSimpleESSL300Id),
	CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT,
	kRealWorldESSL100FragSource,
	kRealWorldESSL100Id),
	CompilerPerfParameters(SH_GLSL_450_CORE_OUTPUT, kTrickyESSL300FragSource, kTrickyESSL300Id),
	CompilerPerfParameters(SH_ESSL_OUTPUT, kSimpleESSL100FragSource, kSimpleESSL100Id),
	CompilerPerfParameters(SH_ESSL_OUTPUT, kSimpleESSL300FragSource, kSimpleESSL300Id),
	CompilerPerfParameters(SH_ESSL_OUTPUT, kRealWorldESSL100FragSource, kRealWorldESSL100Id),
	CompilerPerfParameters(SH_ESSL_OUTPUT, kTrickyESSL300FragSource, kTrickyESSL300Id));

	} // anonymous namespace