skia2/tests/SkSLTest.cpp
John Stiles 0492a744a5 Add some SkSL intrinsics to our dm tests.
This CL adds dm coverage for:
- abs(half)
- sign(half)
- floor
- ceil

And creates test output for abs(int) and sign(int); these aren't covered
by dm because they don't exist in ES2 and so are unsupported by Runtime
Effects.

Change-Id: Ia3e660408cef50dec8fa4b6bdc12906e96179f6e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/360419
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2021-01-28 21:20:00 +00:00

134 lines
5.3 KiB
C++

/*
* 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/utils/SkRandom.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(skiatest::Reporter* r, SkSurface* surface, const char* testFile) {
SkString resourcePath = SkStringPrintf("sksl/%s", testFile);
sk_sp<SkData> shaderData = GetResourceAsData(resourcePath.c_str());
if (!shaderData) {
ERRORF(r, "%s: Unable to load file", testFile);
return;
}
SkString shaderString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};
auto [effect, error] = SkRuntimeEffect::Make(shaderString);
if (!effect) {
ERRORF(r, "%s: %s", testFile, error.c_str());
return;
}
SkRuntimeShaderBuilder builder(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, "unknownInput", 1.0f);
sk_sp<SkShader> shader = builder.makeShader(/*localMatrix=*/nullptr, /*isOpaque=*/true);
if (!shader) {
ERRORF(r, "%s: Unable to build shader", testFile);
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_cpu(skiatest::Reporter* r, const char* testFile) {
const SkImageInfo info = SkImageInfo::MakeN32Premul(kRect.width(), kRect.height());
sk_sp<SkSurface> surface(SkSurface::MakeRaster(info));
test(r, surface.get(), testFile);
}
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(r, surface.get(), testFile);
}
#define SKSL_TEST(name, path) \
DEF_TEST(name ## _CPU, r) { \
test_cpu(r, path); \
} \
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(name ## _GPU, r, ctxInfo) { \
test_gpu(r, ctxInfo.directContext(), path); \
}
SKSL_TEST(SkSLBoolFolding, "folding/BoolFolding.sksl")
SKSL_TEST(SkSLIntFoldingES2, "folding/IntFoldingES2.sksl")
SKSL_TEST(SkSLFloatFolding, "folding/FloatFolding.sksl")
SKSL_TEST(SkSLMatrixFoldingES2, "folding/MatrixFoldingES2.sksl")
SKSL_TEST(SkSLShortCircuitBoolFolding, "folding/ShortCircuitBoolFolding.sksl")
SKSL_TEST(SkSLVectorScalarFolding, "folding/VectorScalarFolding.sksl")
SKSL_TEST(SkSLVectorVectorFolding, "folding/VectorVectorFolding.sksl")
SKSL_TEST(SkSLIntrinsicAbsFloat, "intrinsics/AbsFloat.sksl")
SKSL_TEST(SkSLIntrinsicCeil, "intrinsics/Ceil.sksl")
SKSL_TEST(SkSLIntrinsicFloor, "intrinsics/Floor.sksl")
SKSL_TEST(SkSLIntrinsicSignFloat, "intrinsics/SignFloat.sksl")
SKSL_TEST(SkSLForLoopControlFlow, "shared/ForLoopControlFlow.sksl")
/*
TODO(skia:10939): enable this test when Runtime Effects supports structs in function signatures
SKSL_TEST(SkSLStructsInFunctions, "shared/StructsInFunctions.sksl")
*/
/*
TODO(skia:11209): enable these tests when Runtime Effects have support for ES3
SKSL_TEST(SkSLIntFoldingES3, "folding/IntFoldingES3.sksl")
SKSL_TEST(SkSLMatrixFoldingES3, "folding/MatrixFoldingES3.sksl")
SKSL_TEST(SkSLIntrinsicAbsInt, "intrinsics/AbsInt.sksl")
SKSL_TEST(SkSLIntrinsicSignInt, "intrinsics/SignInt.sksl")
SKSL_TEST(SkSLDoWhileControlFlow, "shared/DoWhileControlFlow.sksl")
SKSL_TEST(SkSLWhileLoopControlFlow, "shared/WhileLoopControlFlow.sksl")
*/