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skia2/tests/SkSLFPTest.cpp
Ethan Nicholas abff956455 initClassID no longer auto-allocates ids 
Auto-allocated IDs mean that the IDs depend upon the order in which
classes happen to get initialized and are therefore not consistent
from run to run. This change paves the way for a persistent shader
cache by fixing the IDs in an enum.

Bug: skia:
Change-Id: I3e923c6c54f41b3b3eb616458abee83e0909c09f
Reviewed-on: https://skia-review.googlesource.com/56401
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-10-09 15:20:33 +00:00

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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkSLCompiler.h"
#include "Test.h"
#if SK_SUPPORT_GPU
static void test(skiatest::Reporter* r, const char* src, const GrShaderCaps& caps,
std::vector<const char*> expectedH, std::vector<const char*> expectedCPP) {
SkSL::Program::Settings settings;
settings.fCaps = &caps;
SkSL::Compiler compiler;
SkSL::StringStream output;
std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
SkSL::Program::kFragmentProcessor_Kind,
SkSL::String(src),
settings);
if (!program) {
SkDebugf("Unexpected error compiling %s\n%s", src, compiler.errorText().c_str());
return;
}
REPORTER_ASSERT(r, program);
bool success = compiler.toH(*program, "Test", output);
if (!success) {
SkDebugf("Unexpected error compiling %s\n%s", src, compiler.errorText().c_str());
}
REPORTER_ASSERT(r, success);
if (success) {
for (const char* expected : expectedH) {
bool found = strstr(output.str().c_str(), expected);
if (!found) {
SkDebugf("HEADER MISMATCH:\nsource:\n%s\n\nexpected:\n'%s'\n\nreceived:\n'%s'", src,
expected, output.str().c_str());
}
REPORTER_ASSERT(r, found);
}
}
output.reset();
success = compiler.toCPP(*program, "Test", output);
if (!success) {
SkDebugf("Unexpected error compiling %s\n%s", src, compiler.errorText().c_str());
}
REPORTER_ASSERT(r, success);
if (success) {
for (const char* expected : expectedCPP) {
bool found = strstr(output.str().c_str(), expected);
if (!found) {
SkDebugf("CPP MISMATCH:\nsource:\n%s\n\nexpected:\n'%s'\n\nreceived:\n'%s'", src,
expected, output.str().c_str());
}
REPORTER_ASSERT(r, found);
}
}
}
DEF_TEST(SkSLFPHelloWorld, r) {
test(r,
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"/*\n"
" * Copyright 2017 Google Inc.\n"
" *\n"
" * Use of this source code is governed by a BSD-style license that can be\n"
" * found in the LICENSE file.\n"
" */\n"
"\n"
"/*\n"
" * This file was autogenerated from GrTest.fp; do not modify.\n"
" */\n"
"#ifndef GrTest_DEFINED\n"
"#define GrTest_DEFINED\n"
"#include \"SkTypes.h\"\n"
"#if SK_SUPPORT_GPU\n"
"#include \"GrFragmentProcessor.h\"\n"
"#include \"GrCoordTransform.h\"\n"
"#include \"GrColorSpaceXform.h\"\n"
"class GrTest : public GrFragmentProcessor {\n"
"public:\n"
" static std::unique_ptr<GrFragmentProcessor> Make() {\n"
" return std::unique_ptr<GrFragmentProcessor>(new GrTest());\n"
" }\n"
" GrTest(const GrTest& src);\n"
" std::unique_ptr<GrFragmentProcessor> clone() const override;\n"
" const char* name() const override { return \"Test\"; }\n"
"private:\n"
" GrTest()\n"
" : INHERITED(kGrTest_ClassID, kNone_OptimizationFlags) {\n"
" }\n"
" GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;\n"
" void onGetGLSLProcessorKey(const GrShaderCaps&,GrProcessorKeyBuilder*) "
"const override;\n"
" bool onIsEqual(const GrFragmentProcessor&) const override;\n"
" GR_DECLARE_FRAGMENT_PROCESSOR_TEST\n"
" typedef GrFragmentProcessor INHERITED;\n"
"};\n"
"#endif\n"
"#endif\n"
},
{
"/*\n"
" * Copyright 2017 Google Inc.\n"
" *\n"
" * Use of this source code is governed by a BSD-style license that can be\n"
" * found in the LICENSE file.\n"
" */\n"
"\n"
"/*\n"
" * This file was autogenerated from GrTest.fp; do not modify.\n"
" */\n"
"#include \"GrTest.h\"\n"
"#if SK_SUPPORT_GPU\n"
"#include \"glsl/GrGLSLColorSpaceXformHelper.h\"\n"
"#include \"glsl/GrGLSLFragmentProcessor.h\"\n"
"#include \"glsl/GrGLSLFragmentShaderBuilder.h\"\n"
"#include \"glsl/GrGLSLProgramBuilder.h\"\n"
"#include \"SkSLCPP.h\"\n"
"#include \"SkSLUtil.h\"\n"
"class GrGLSLTest : public GrGLSLFragmentProcessor {\n"
"public:\n"
" GrGLSLTest() {}\n"
" void emitCode(EmitArgs& args) override {\n"
" GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;\n"
" const GrTest& _outer = args.fFp.cast<GrTest>();\n"
" (void) _outer;\n"
" fragBuilder->codeAppendf(\"%s = half4(1.0);\\n\", args.fOutputColor);\n"
" }\n"
"private:\n"
" void onSetData(const GrGLSLProgramDataManager& pdman, "
"const GrFragmentProcessor& _proc) override {\n"
" }\n"
"};\n"
"GrGLSLFragmentProcessor* GrTest::onCreateGLSLInstance() const {\n"
" return new GrGLSLTest();\n"
"}\n"
"void GrTest::onGetGLSLProcessorKey(const GrShaderCaps& caps, "
"GrProcessorKeyBuilder* b) const {\n"
"}\n"
"bool GrTest::onIsEqual(const GrFragmentProcessor& other) const {\n"
" const GrTest& that = other.cast<GrTest>();\n"
" (void) that;\n"
" return true;\n"
"}\n"
"GrTest::GrTest(const GrTest& src)\n"
": INHERITED(kGrTest_ClassID, src.optimizationFlags()) {\n"
"}\n"
"std::unique_ptr<GrFragmentProcessor> GrTest::clone() const {\n"
" return std::unique_ptr<GrFragmentProcessor>(new GrTest(*this));\n"
"}\n"
"#endif\n"
});
}
DEF_TEST(SkSLFPInput, r) {
test(r,
"in half2 point;"
"void main() {"
"sk_OutColor = half4(point, point);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"SkPoint point() const { return fPoint; }",
"static std::unique_ptr<GrFragmentProcessor> Make(SkPoint point) {",
"return std::unique_ptr<GrFragmentProcessor>(new GrTest(point));",
"GrTest(SkPoint point)",
", fPoint(point)"
},
{
"fragBuilder->codeAppendf(\"%s = half4(half2(%f, %f), half2(%f, %f));\\n\", "
"args.fOutputColor, _outer.point().fX, _outer.point().fY, "
"_outer.point().fX, _outer.point().fY);",
"if (fPoint != that.fPoint) return false;"
});
}
DEF_TEST(SkSLFPUniform, r) {
test(r,
"uniform half4 color;"
"void main() {"
"sk_OutColor = color;"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"static std::unique_ptr<GrFragmentProcessor> Make()"
},
{
"fColorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
"kDefault_GrSLPrecision, \"color\");",
});
}
DEF_TEST(SkSLFPInUniform, r) {
test(r,
"in uniform half4 color;"
"void main() {"
"sk_OutColor = color;"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"static std::unique_ptr<GrFragmentProcessor> Make(SkRect color) {",
},
{
"fColorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
"kDefault_GrSLPrecision, \"color\");",
"const SkRect colorValue = _outer.color();",
"pdman.set4fv(fColorVar, 1, (float*) &colorValue);"
});
}
DEF_TEST(SkSLFPSections, r) {
test(r,
"@header { header section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"#if SK_SUPPORT_GPU\n header section"
},
{});
test(r,
"@class { class section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"class GrTest : public GrFragmentProcessor {\n"
"public:\n"
" class section"
},
{});
test(r,
"@cpp { cpp section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{},
{"cpp section"});
test(r,
"@constructorParams { int x, float y, std::vector<float> z }"
"in float w;"
"void main() {"
"sk_OutColor = float4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"Make(float w, int x, float y, std::vector<float> z )",
"return std::unique_ptr<GrFragmentProcessor>(new GrTest(w, x, y, z));",
"GrTest(float w, int x, float y, std::vector<float> z )",
", fW(w) {"
},
{});
test(r,
"@constructor { constructor section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"private:\n constructor section"
},
{});
test(r,
"@initializers { initializers section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
": INHERITED(kGrTest_ClassID, kNone_OptimizationFlags)\n , initializers section"
},
{});
test(r,
"half x = 10;"
"@emitCode { fragBuilder->codeAppendf(\"half y = %d\\n\", x * 2); }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{},
{
"x = 10.0;\n"
" fragBuilder->codeAppendf(\"half y = %d\\n\", x * 2);"
});
test(r,
"@fields { fields section }"
"@clone { }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"GR_DECLARE_FRAGMENT_PROCESSOR_TEST\n"
" fields section typedef GrFragmentProcessor INHERITED;"
},
{});
test(r,
"@make { make section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"public:\n"
" make section"
},
{});
test(r,
"uniform half calculated;"
"in half provided;"
"@setData(varName) { varName.set1f(calculated, provided * 2); }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{},
{
"void onSetData(const GrGLSLProgramDataManager& varName, "
"const GrFragmentProcessor& _proc) override {\n",
"UniformHandle& calculated = fCalculatedVar;",
"auto provided = _outer.provided();",
"varName.set1f(calculated, provided * 2);"
});
test(r,
"@test(testDataName) { testDataName section }"
"void main() {"
"sk_OutColor = half4(1);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{},
{
"#if GR_TEST_UTILS\n"
"std::unique_ptr<GrFragmentProcessor> GrTest::TestCreate(GrProcessorTestData* testDataName) {\n"
" testDataName section }\n"
"#endif"
});
}
DEF_TEST(SkSLFPColorSpaceXform, r) {
test(r,
"in uniform sampler2D image;"
"in uniform colorSpaceXform colorXform;"
"void main() {"
"sk_OutColor = sk_InColor * texture(image, float2(0, 0), colorXform);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{
"sk_sp<GrColorSpaceXform> colorXform() const { return fColorXform; }",
"GrTest(sk_sp<GrTextureProxy> image, sk_sp<GrColorSpaceXform> colorXform)",
"this->addTextureSampler(&fImage);",
"sk_sp<GrColorSpaceXform> fColorXform;"
},
{
"fragBuilder->codeAppendf(\"half4 _tmpVar1;%s = %s * %stexture(%s, "
"float2(0.0, 0.0)).%s%s;\\n\", args.fOutputColor, args.fInputColor ? args.fInputColor : "
"\"half4(1)\", fColorSpaceHelper.isValid() ? \"(_tmpVar1 = \" : \"\", "
"fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), "
"fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), "
"fColorSpaceHelper.isValid() ? SkStringPrintf(\", half4(clamp((%s * half4(_tmpVar1.rgb, "
"1.0)).rgb, 0.0, _tmpVar1.a), _tmpVar1.a))\", args.fUniformHandler->getUniformCStr("
"fColorSpaceHelper.gamutXformUniform())).c_str() : \"\");"
});
}
DEF_TEST(SkSLFPTransformedCoords, r) {
test(r,
"void main() {"
"sk_OutColor = half4(sk_TransformedCoords2D[0], sk_TransformedCoords2D[0]);"
"}",
*SkSL::ShaderCapsFactory::Default(),
{},
{
"SkString sk_TransformedCoords2D_0 = "
"fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);",
"fragBuilder->codeAppendf(\"%s = half4(%s, %s);\\n\", args.fOutputColor, "
"sk_TransformedCoords2D_0.c_str(), sk_TransformedCoords2D_0.c_str());"
});
}
DEF_TEST(SkSLFPLayoutWhen, r) {
test(r,
"layout(when=someExpression(someOtherExpression())) uniform half sometimes;"
"void main() {"
"}",
*SkSL::ShaderCapsFactory::Default(),
{},
{
"if (someExpression(someOtherExpression())) {\n"
" fSometimesVar = args.fUniformHandler->addUniform"
});
}
#endif
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