e5a06ce678
Must land https://chromium-review.googlesource.com/c/chromium/src/+/2087980 before this can land. Bug: skia:7966 Change-Id: I60bbb1765bfbb2c96b2bc0c9826b6b9d57eb2a03 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275077 Commit-Queue: Greg Daniel <egdaniel@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
780 lines
31 KiB
C++
780 lines
31 KiB
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "src/sksl/SkSLCompiler.h"
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#include "src/sksl/SkSLStringStream.h"
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#include "tests/Test.h"
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static void test(skiatest::Reporter* r, const char* src, const GrShaderCaps& caps,
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std::vector<const char*> expectedH, std::vector<const char*> expectedCPP) {
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SkSL::Program::Settings settings;
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settings.fCaps = ∩︀
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SkSL::Compiler compiler;
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SkSL::StringStream output;
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std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
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SkSL::Program::kFragmentProcessor_Kind,
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SkSL::String(src),
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settings);
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if (!program) {
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SkDebugf("Unexpected error compiling %s\n%s", src, compiler.errorText().c_str());
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return;
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}
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REPORTER_ASSERT(r, program);
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bool success = compiler.toH(*program, "Test", output);
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if (!success) {
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SkDebugf("Unexpected error compiling %s\n%s", src, compiler.errorText().c_str());
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}
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REPORTER_ASSERT(r, success);
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if (success) {
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for (const char* expected : expectedH) {
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bool found = strstr(output.str().c_str(), expected);
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if (!found) {
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SkDebugf("HEADER MISMATCH:\nsource:\n%s\n\nexpected:\n'%s'\n\nreceived:\n'%s'", src,
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expected, output.str().c_str());
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}
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REPORTER_ASSERT(r, found);
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}
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}
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output.reset();
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success = compiler.toCPP(*program, "Test", output);
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if (!success) {
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SkDebugf("Unexpected error compiling %s\n%s", src, compiler.errorText().c_str());
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}
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REPORTER_ASSERT(r, success);
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if (success) {
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for (const char* expected : expectedCPP) {
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bool found = strstr(output.str().c_str(), expected);
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if (!found) {
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SkDebugf("CPP MISMATCH:\nsource:\n%s\n\nexpected:\n'%s'\n\nreceived:\n'%s'", src,
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expected, output.str().c_str());
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}
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REPORTER_ASSERT(r, found);
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}
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}
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}
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static void test_failure(skiatest::Reporter* r, const char* src, const char* error) {
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SkSL::Compiler compiler;
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SkSL::Program::Settings settings;
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sk_sp<GrShaderCaps> caps = SkSL::ShaderCapsFactory::Default();
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settings.fCaps = caps.get();
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std::unique_ptr<SkSL::Program> program = compiler.convertProgram(
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SkSL::Program::kFragmentProcessor_Kind,
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SkSL::String(src),
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settings);
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if (!compiler.errorCount()) {
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compiler.optimize(*program);
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}
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SkSL::String skError(error);
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if (compiler.errorText() != skError) {
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SkDebugf("SKSL ERROR:\n source: %s\n expected: %s received: %s", src, error,
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compiler.errorText().c_str());
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}
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REPORTER_ASSERT(r, compiler.errorText() == skError);
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}
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DEF_TEST(SkSLFPHelloWorld, r) {
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test(r,
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"/* HEADER */"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"/* HEADER */\n"
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"\n"
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"/**************************************************************************************************\n"
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" *** This file was autogenerated from GrTest.fp; do not modify.\n"
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" **************************************************************************************************/\n"
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"#ifndef GrTest_DEFINED\n"
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"#define GrTest_DEFINED\n"
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"#include \"include/core/SkTypes.h\"\n"
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"#include \"include/core/SkM44.h\"\n\n"
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"#include \"src/gpu/GrCoordTransform.h\"\n"
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"#include \"src/gpu/GrFragmentProcessor.h\"\n"
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"class GrTest : public GrFragmentProcessor {\n"
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"public:\n"
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" static std::unique_ptr<GrFragmentProcessor> Make() {\n"
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" return std::unique_ptr<GrFragmentProcessor>(new GrTest());\n"
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" }\n"
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" GrTest(const GrTest& src);\n"
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" std::unique_ptr<GrFragmentProcessor> clone() const override;\n"
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" const char* name() const override { return \"Test\"; }\n"
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"private:\n"
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" GrTest()\n"
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" : INHERITED(kGrTest_ClassID, kNone_OptimizationFlags) {\n"
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" }\n"
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" GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;\n"
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" void onGetGLSLProcessorKey(const GrShaderCaps&,GrProcessorKeyBuilder*) const "
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"override;\n"
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" bool onIsEqual(const GrFragmentProcessor&) const override;\n"
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" GR_DECLARE_FRAGMENT_PROCESSOR_TEST\n"
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" typedef GrFragmentProcessor INHERITED;\n"
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"};\n"
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"#endif\n"
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},
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{
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"/**************************************************************************************************\n"
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" *** This file was autogenerated from GrTest.fp; do not modify.\n"
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" **************************************************************************************************/\n"
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"#include \"GrTest.h\"\n\n"
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"#include \"src/gpu/GrTexture.h\"\n"
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"#include \"src/gpu/glsl/GrGLSLFragmentProcessor.h\"\n"
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"#include \"src/gpu/glsl/GrGLSLFragmentShaderBuilder.h\"\n"
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"#include \"src/gpu/glsl/GrGLSLProgramBuilder.h\"\n"
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"#include \"src/sksl/SkSLCPP.h\"\n"
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"#include \"src/sksl/SkSLUtil.h\"\n"
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"class GrGLSLTest : public GrGLSLFragmentProcessor {\n"
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"public:\n"
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" GrGLSLTest() {}\n"
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" void emitCode(EmitArgs& args) override {\n"
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" GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;\n"
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" const GrTest& _outer = args.fFp.cast<GrTest>();\n"
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" (void) _outer;\n"
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" fragBuilder->codeAppendf(\"%s = half4(1.0);\\n\", args.fOutputColor);\n"
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" }\n"
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"private:\n"
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" void onSetData(const GrGLSLProgramDataManager& pdman, "
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"const GrFragmentProcessor& _proc) override {\n"
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" }\n"
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"};\n"
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"GrGLSLFragmentProcessor* GrTest::onCreateGLSLInstance() const {\n"
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" return new GrGLSLTest();\n"
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"}\n"
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"void GrTest::onGetGLSLProcessorKey(const GrShaderCaps& caps, "
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"GrProcessorKeyBuilder* b) const {\n"
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"}\n"
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"bool GrTest::onIsEqual(const GrFragmentProcessor& other) const {\n"
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" const GrTest& that = other.cast<GrTest>();\n"
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" (void) that;\n"
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" return true;\n"
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"}\n"
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"GrTest::GrTest(const GrTest& src)\n"
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": INHERITED(kGrTest_ClassID, src.optimizationFlags()) {\n"
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"}\n"
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"std::unique_ptr<GrFragmentProcessor> GrTest::clone() const {\n"
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" return std::unique_ptr<GrFragmentProcessor>(new GrTest(*this));\n"
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"}\n"
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});
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}
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DEF_TEST(SkSLFPInput, r) {
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test(r,
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"layout(key) in half2 point;"
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"void main() {"
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"sk_OutColor = half4(point, point);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make(SkPoint point) {",
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"return std::unique_ptr<GrFragmentProcessor>(new GrTest(point));",
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"GrTest(SkPoint point)",
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", point(point)"
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},
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{
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"fragBuilder->codeAppendf(\"%s = half4(half2(%f, %f), half2(%f, %f));\\n\", "
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"args.fOutputColor, _outer.point.fX, _outer.point.fY, "
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"_outer.point.fX, _outer.point.fY);",
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"if (point != that.point) return false;"
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});
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}
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DEF_TEST(SkSLFPUniform, r) {
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test(r,
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"uniform half4 color;"
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"void main() {"
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"sk_OutColor = color;"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make()"
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},
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{
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"colorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
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"\"color\");",
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});
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}
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// SkSLFPInUniform tests the simplest plumbing case, default type, no tracking
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// with a setUniform template that supports inlining the value call with no
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// local variable.
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DEF_TEST(SkSLFPInUniform, r) {
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test(r,
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"in uniform half4 color;"
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"void main() {"
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"sk_OutColor = color;"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make(SkRect color) {",
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},
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{
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"colorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
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"\"color\");",
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"pdman.set4fv(colorVar, 1, reinterpret_cast<const float*>(&(_outer.color)));"
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});
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}
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// As above, but tests in uniform's ability to override the default ctype.
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DEF_TEST(SkSLFPInUniformCType, r) {
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test(r,
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"layout(ctype=SkPMColor4f) in uniform half4 color;"
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"void main() {"
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"sk_OutColor = color;"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make(SkPMColor4f color) {",
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},
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{
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"colorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
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"\"color\");",
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"pdman.set4fv(colorVar, 1, (_outer.color).vec());"
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});
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}
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// Add state tracking to the default typed SkRect <-> half4 uniform. But since
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// it now has to track state, the value inlining previously done for the
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// setUniform call is removed in favor of a local variable.
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DEF_TEST(SkSLFPTrackedInUniform, r) {
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test(r,
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"layout(tracked) in uniform half4 color;"
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"void main() {"
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"sk_OutColor = color;"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make(SkRect color) {",
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},
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{
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"SkRect colorPrev = SkRect::MakeEmpty();",
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"colorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
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"\"color\");",
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"const SkRect& colorValue = _outer.color;",
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"if (colorPrev.isEmpty() || colorPrev != colorValue) {",
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"colorPrev = colorValue;",
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"pdman.set4fv(colorVar, 1, reinterpret_cast<const float*>(&colorValue));"
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});
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}
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// Test the case where the template does not support variable inlining in
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// setUniform (i.e. it references the value multiple times).
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DEF_TEST(SkSLFPNonInlinedInUniform, r) {
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test(r,
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"in uniform half2 point;"
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"void main() {"
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"sk_OutColor = half4(point, point);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make(SkPoint point) {",
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},
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{
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"pointVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf2_GrSLType, "
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"\"point\");",
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"const SkPoint& pointValue = _outer.point;",
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"pdman.set2f(pointVar, pointValue.fX, pointValue.fY);"
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});
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}
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// Test handling conditional uniforms (that use when= in layout), combined with
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// state tracking and custom ctypes to really put the code generation through its paces.
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DEF_TEST(SkSLFPConditionalInUniform, r) {
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test(r,
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"layout(key) in bool test;"
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"layout(ctype=SkPMColor4f, tracked, when=test) in uniform half4 color;"
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"void main() {"
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" if (test) {"
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" sk_OutColor = color;"
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" } else {"
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" sk_OutColor = half4(1);"
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" }"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"static std::unique_ptr<GrFragmentProcessor> Make(bool test, SkPMColor4f color) {",
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},
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{
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"SkPMColor4f colorPrev = {SK_FloatNaN, SK_FloatNaN, SK_FloatNaN, SK_FloatNaN}",
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"auto test = _outer.test;",
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"if (test) {",
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"colorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, "
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"\"color\");",
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"if (colorVar.isValid()) {",
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"const SkPMColor4f& colorValue = _outer.color;",
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"if (colorPrev != colorValue) {",
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"colorPrev = colorValue;",
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"pdman.set4fv(colorVar, 1, colorValue.vec());"
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});
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}
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DEF_TEST(SkSLFPSections, r) {
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test(r,
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"@header { header section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"header section"
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},
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{});
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test(r,
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"@class { class section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"class GrTest : public GrFragmentProcessor {\n"
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"public:\n"
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" class section"
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},
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{});
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test(r,
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"@cpp { cpp section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{},
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{"cpp section"});
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test(r,
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"@constructorParams { int x, float y, std::vector<float> z }"
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"in float w;"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"Make(float w, int x, float y, std::vector<float> z )",
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"return std::unique_ptr<GrFragmentProcessor>(new GrTest(w, x, y, z));",
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"GrTest(float w, int x, float y, std::vector<float> z )",
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", w(w) {"
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},
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{});
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test(r,
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"@constructor { constructor section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"private:\n constructor section"
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},
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{});
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test(r,
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"@initializers { initializers section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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": INHERITED(kGrTest_ClassID, kNone_OptimizationFlags)\n , initializers section"
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},
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{});
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test(r,
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"half x = 10;"
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"@emitCode { fragBuilder->codeAppendf(\"half y = %d\\n\", x * 2); }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{},
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{
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"x = 10.0;\n"
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" fragBuilder->codeAppendf(\"half y = %d\\n\", x * 2);"
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});
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test(r,
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"@fields { fields section }"
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"@clone { }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"const char* name() const override { return \"Test\"; }\n"
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" fields section private:"
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},
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{});
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test(r,
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"@make { make section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{
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"public:\n"
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" make section"
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},
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{});
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test(r,
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"uniform half calculated;"
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"layout(key) in half provided;"
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"@setData(varName) { varName.set1f(calculated, provided * 2); }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{},
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{
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"void onSetData(const GrGLSLProgramDataManager& varName, "
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"const GrFragmentProcessor& _proc) override {\n",
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"UniformHandle& calculated = calculatedVar;",
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"auto provided = _outer.provided;",
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"varName.set1f(calculated, provided * 2);"
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});
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test(r,
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"@test(testDataName) { testDataName section }"
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"void main() {"
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"sk_OutColor = half4(1);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{},
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{
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"#if GR_TEST_UTILS\n"
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"std::unique_ptr<GrFragmentProcessor> GrTest::TestCreate(GrProcessorTestData* testDataName) {\n"
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" testDataName section }\n"
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"#endif"
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});
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}
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DEF_TEST(SkSLFPTransformedCoords, r) {
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test(r,
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"void main() {"
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"sk_OutColor = half4(sk_TransformedCoords2D[0], sk_TransformedCoords2D[0]);"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{},
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{
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"SkString sk_TransformedCoords2D_0 = "
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"fragBuilder->ensureCoords2D(args.fTransformedCoords[0].fVaryingPoint);",
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"fragBuilder->codeAppendf(\"%s = half4(%s, %s);\\n\", args.fOutputColor, "
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"sk_TransformedCoords2D_0.c_str(), sk_TransformedCoords2D_0.c_str());"
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});
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}
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DEF_TEST(SkSLFPLayoutWhen, r) {
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test(r,
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"layout(when=someExpression(someOtherExpression())) uniform half sometimes;"
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"void main() {"
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"}",
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*SkSL::ShaderCapsFactory::Default(),
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{},
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{
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"if (someExpression(someOtherExpression())) {\n"
|
|
" sometimesVar = args.fUniformHandler->addUniform"
|
|
});
|
|
|
|
}
|
|
|
|
DEF_TEST(SkSLFPChildProcessors, r) {
|
|
test(r,
|
|
"in fragmentProcessor child1;"
|
|
"in fragmentProcessor child2;"
|
|
"void main() {"
|
|
" sk_OutColor = sample(child1) * sample(child2);"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child1));",
|
|
"this->registerChildProcessor(std::move(child2));"
|
|
},
|
|
{
|
|
"SkString _sample93;\n",
|
|
"_sample93 = this->invokeChild(_outer.child1_index, args);\n",
|
|
"SkString _sample110;\n",
|
|
"_sample110 = this->invokeChild(_outer.child2_index, args);\n",
|
|
"fragBuilder->codeAppendf(\"%s = %s * %s;\\n\", args.fOutputColor, _sample93.c_str(), "
|
|
"_sample110.c_str());\n",
|
|
"{",
|
|
" auto clone = src.childProcessor(child1_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child1_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
"{",
|
|
" auto clone = src.childProcessor(child2_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child2_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPChildProcessorsWithInput, r) {
|
|
test(r,
|
|
"in fragmentProcessor child1;"
|
|
"in fragmentProcessor child2;"
|
|
"void main() {"
|
|
" half4 childIn = sk_InColor;"
|
|
" half4 childOut1 = sample(child1, childIn);"
|
|
" half4 childOut2 = sample(child2, childOut1);"
|
|
" sk_OutColor = childOut2;"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child1));",
|
|
"this->registerChildProcessor(std::move(child2));"
|
|
},
|
|
{
|
|
"SkString _input128(\"childIn\");",
|
|
"SkString _sample128;",
|
|
"_sample128 = this->invokeChild(_outer.child1_index, _input128.c_str(), args);",
|
|
"fragBuilder->codeAppendf(\"\\nhalf4 childOut1 = %s;\", _sample128.c_str());",
|
|
"SkString _input174(\"childOut1\");",
|
|
"SkString _sample174;",
|
|
"_sample174 = this->invokeChild(_outer.child2_index, _input174.c_str(), args);",
|
|
"{",
|
|
" auto clone = src.childProcessor(child1_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child1_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
"{",
|
|
" auto clone = src.childProcessor(child2_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child2_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}"
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPChildProcessorWithInputExpression, r) {
|
|
test(r,
|
|
"in fragmentProcessor child;"
|
|
"void main() {"
|
|
" sk_OutColor = sample(child, sk_InColor * half4(0.5));"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child));",
|
|
},
|
|
{
|
|
"SkString _input64 = SkStringPrintf(\"%s * half4(0.5)\", args.fInputColor);",
|
|
"SkString _sample64;",
|
|
"_sample64 = this->invokeChild(_outer.child_index, _input64.c_str(), args);",
|
|
"fragBuilder->codeAppendf(\"%s = %s;\\n\", args.fOutputColor, _sample64.c_str());",
|
|
"{",
|
|
" auto clone = src.childProcessor(child_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPNestedChildProcessors, r) {
|
|
test(r,
|
|
"in fragmentProcessor child1;"
|
|
"in fragmentProcessor child2;"
|
|
"void main() {"
|
|
" sk_OutColor = sample(child2, sk_InColor * sample(child1, sk_InColor * half4(0.5)));"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child1));",
|
|
"this->registerChildProcessor(std::move(child2));"
|
|
},
|
|
{
|
|
"SkString _input121 = SkStringPrintf(\"%s * half4(0.5)\", args.fInputColor);",
|
|
"SkString _sample121;",
|
|
"_sample121 = this->invokeChild(_outer.child1_index, _input121.c_str(), args);",
|
|
"SkString _input93 = SkStringPrintf(\"%s * %s\", args.fInputColor, _sample121.c_str());",
|
|
"SkString _sample93;",
|
|
"_sample93 = this->invokeChild(_outer.child2_index, _input93.c_str(), args);",
|
|
"fragBuilder->codeAppendf(\"%s = %s;\\n\", args.fOutputColor, _sample93.c_str());",
|
|
"{",
|
|
" auto clone = src.childProcessor(child1_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child1_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
"{",
|
|
" auto clone = src.childProcessor(child2_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child2_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPChildFPAndGlobal, r) {
|
|
test(r,
|
|
"in fragmentProcessor child;"
|
|
"bool hasCap = sk_Caps.externalTextureSupport;"
|
|
"void main() {"
|
|
" if (hasCap) {"
|
|
" sk_OutColor = sample(child, sk_InColor);"
|
|
" } else {"
|
|
" sk_OutColor = half4(1);"
|
|
" }"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child));"
|
|
},
|
|
{
|
|
"hasCap = sk_Caps.externalTextureSupport;",
|
|
"fragBuilder->codeAppendf(\"bool hasCap = %s;\\nif (hasCap) {\", (hasCap ? \"true\" : "
|
|
"\"false\"));",
|
|
"SkString _input130 = SkStringPrintf(\"%s\", args.fInputColor);",
|
|
"SkString _sample130;",
|
|
"_sample130 = this->invokeChild(_outer.child_index, _input130.c_str(), args);",
|
|
"fragBuilder->codeAppendf(\"\\n %s = %s;\\n} else {\\n %s = half4(1.0);\\n}\\n\","
|
|
" args.fOutputColor, _sample130.c_str(), args.fOutputColor);",
|
|
"{",
|
|
" auto clone = src.childProcessor(child_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPChildProcessorInlineFieldAccess, r) {
|
|
test(r,
|
|
"in fragmentProcessor child;"
|
|
"void main() {"
|
|
" if (child.preservesOpaqueInput) {"
|
|
" sk_OutColor = sample(child, sk_InColor);"
|
|
" } else {"
|
|
" sk_OutColor = half4(1);"
|
|
" }"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child));"
|
|
},
|
|
{
|
|
"fragBuilder->codeAppendf(\"if (%s) {\", "
|
|
"(_outer.childProcessor(_outer.child_index).preservesOpaqueInput() ? ",
|
|
"SkString _input105 = SkStringPrintf(\"%s\", args.fInputColor);",
|
|
"SkString _sample105;",
|
|
"_sample105 = this->invokeChild(_outer.child_index, _input105.c_str(), args);",
|
|
"fragBuilder->codeAppendf(\"\\n %s = %s;\\n} else {\\n %s = half4(1.0);\\n}\\n\","
|
|
" args.fOutputColor, _sample105.c_str(), args.fOutputColor);",
|
|
"{",
|
|
" auto clone = src.childProcessor(child_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPChildProcessorFieldAccess, r) {
|
|
test(r,
|
|
"in fragmentProcessor child;"
|
|
"bool opaque = child.preservesOpaqueInput;"
|
|
"void main() {"
|
|
" if (opaque) {"
|
|
" sk_OutColor = sample(child);"
|
|
" } else {"
|
|
" sk_OutColor = half4(0.5);"
|
|
" }"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{
|
|
"this->registerChildProcessor(std::move(child));"
|
|
},
|
|
{
|
|
"opaque = _outer.childProcessor(_outer.child_index).preservesOpaqueInput();",
|
|
"fragBuilder->codeAppendf(\"bool opaque = %s;\\nif (opaque) {\", (opaque ? \"true\" : "
|
|
"\"false\"));",
|
|
"SkString _sample126;",
|
|
"_sample126 = this->invokeChild(_outer.child_index, args);",
|
|
"fragBuilder->codeAppendf(\"\\n %s = %s;\\n} else {\\n %s = half4(0.5);\\n}\\n\","
|
|
" args.fOutputColor, _sample126.c_str(), args.fOutputColor);",
|
|
"{",
|
|
" auto clone = src.childProcessor(child_index).clone();",
|
|
" clone->setSampledWithExplicitCoords(",
|
|
" src.childProcessor(child_index).isSampledWithExplicitCoords());",
|
|
" this->registerChildProcessor(std::move(clone));",
|
|
"}",
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPNullableChildProcessor, r) {
|
|
test(r,
|
|
"in fragmentProcessor? child;"
|
|
"void main() {"
|
|
" if (child != null) {"
|
|
" sk_OutColor = sample(child);"
|
|
" } else {"
|
|
" sk_OutColor = half4(0.5);"
|
|
" }"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{},
|
|
{
|
|
"fragBuilder->codeAppendf(\"if (%s) {\", _outer.child_index >= 0 ? \"true\" : "
|
|
"\"false\");",
|
|
"SkString _sample93;",
|
|
"if (_outer.child_index >= 0) {",
|
|
"_sample93 = this->invokeChild(_outer.child_index, args);",
|
|
"}",
|
|
"fragBuilder->codeAppendf(\"\\n %s = %s;\\n} else {\\n %s = half4(0.5);\\n}\\n\","
|
|
" args.fOutputColor, _sample93.c_str(), args.fOutputColor);"
|
|
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPBadIn, r) {
|
|
test_failure(r,
|
|
"in half4 c;"
|
|
"void main() {"
|
|
" sk_OutColor = c;"
|
|
"}",
|
|
"error: 1: 'in' variable must be either 'uniform' or 'layout(key)', or there must be a "
|
|
"custom @setData function\n1 error\n");
|
|
}
|
|
|
|
DEF_TEST(SkSLFPSampleCoords, r) {
|
|
test(r,
|
|
"in fragmentProcessor child;"
|
|
"@coordTransform { SkMatrix() }"
|
|
"void main() {"
|
|
" sk_OutColor = sample(child) + sample(child, sk_TransformedCoords2D[0] / 2);"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{},
|
|
{
|
|
"SkString _sample94;\n",
|
|
"_sample94 = this->invokeChild(_outer.child_index, args);\n",
|
|
"SkString _sample110;\n",
|
|
"SkString sk_TransformedCoords2D_0 = fragBuilder->ensureCoords2D("
|
|
"args.fTransformedCoords[0].fVaryingPoint);\n",
|
|
"SkString _coords110 = SkStringPrintf(\"%s / 2.0\", "
|
|
"sk_TransformedCoords2D_0.c_str());\n",
|
|
"_sample110 = this->invokeChild(_outer.child_index, args, _coords110.c_str());\n",
|
|
"fragBuilder->codeAppendf(\"%s = %s + %s;\\n\", args.fOutputColor, _sample94.c_str(), "
|
|
"_sample110.c_str());\n"
|
|
});
|
|
}
|
|
|
|
DEF_TEST(SkSLFPFunction, r) {
|
|
test(r,
|
|
"in fragmentProcessor? child;"
|
|
"half4 flip(half4 c) { return c.abgr; }"
|
|
"void main() {"
|
|
" sk_OutColor = flip(sk_InColor);"
|
|
"}",
|
|
*SkSL::ShaderCapsFactory::Default(),
|
|
{},
|
|
{
|
|
"SkString flip_name;",
|
|
"const GrShaderVar flip_args[] = { GrShaderVar(\"c\", kHalf4_GrSLType)};",
|
|
"fragBuilder->emitFunction(kHalf4_GrSLType, \"flip\", 1, flip_args, "
|
|
"\"return c.wzyx;\\n\", &flip_name);",
|
|
"fragBuilder->codeAppendf(\"%s = %s(%s);\\n\", args.fOutputColor, flip_name.c_str(), "
|
|
"args.fInputColor);"
|
|
});
|
|
}
|