92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
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/*
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* Copyright 2021 Google LLC
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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 "tests/Test.h"
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#include "experimental/graphite/src/ContextUtils.h"
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#include "include/core/SkPaint.h"
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#include "include/effects/SkGradientShader.h"
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namespace {
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std::tuple<SkPaint, int> create_paint(skgpu::Combination combo) {
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SkPoint pts[2] = {{-100, -100},
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{100, 100}};
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SkColor colors[2] = {SK_ColorRED, SK_ColorGREEN};
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SkScalar offsets[2] = {0.0f, 1.0f};
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sk_sp<SkShader> s;
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int numUniforms = 0;
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switch (combo.fShaderType) {
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case skgpu::ShaderCombo::ShaderType::kNone:
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numUniforms += 1;
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break;
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case skgpu::ShaderCombo::ShaderType::kLinearGradient:
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s = SkGradientShader::MakeLinear(pts, colors, offsets, 2, combo.fTileMode);
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numUniforms += 6;
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break;
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case skgpu::ShaderCombo::ShaderType::kRadialGradient:
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s = SkGradientShader::MakeRadial({0, 0}, 100, colors, offsets, 2, combo.fTileMode);
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numUniforms += 6;
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break;
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case skgpu::ShaderCombo::ShaderType::kSweepGradient:
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s = SkGradientShader::MakeSweep(0, 0, colors, offsets, 2, combo.fTileMode,
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0, 359, 0, nullptr);
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numUniforms += 6;
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break;
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case skgpu::ShaderCombo::ShaderType::kConicalGradient:
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s = SkGradientShader::MakeTwoPointConical({100, 100}, 100,
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{-100, -100}, 100,
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colors, offsets, 2, combo.fTileMode);
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numUniforms += 6;
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break;
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}
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SkPaint p;
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p.setColor(SK_ColorRED);
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p.setShader(std::move(s));
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p.setBlendMode(combo.fBlendMode);
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return { p, numUniforms };
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}
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} // anonymous namespace
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DEF_GRAPHITE_TEST(UniformTest, reporter) {
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using namespace skgpu;
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for (auto s : { ShaderCombo::ShaderType::kNone,
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ShaderCombo::ShaderType::kLinearGradient,
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ShaderCombo::ShaderType::kRadialGradient,
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ShaderCombo::ShaderType::kSweepGradient,
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ShaderCombo::ShaderType::kConicalGradient }) {
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for (auto tm: { SkTileMode::kClamp,
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SkTileMode::kRepeat,
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SkTileMode::kMirror,
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SkTileMode::kDecal }) {
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if (s == ShaderCombo::ShaderType::kNone) {
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tm = SkTileMode::kRepeat; // the TileMode doesn't matter for this case
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}
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for (auto bm : { SkBlendMode::kSrc, SkBlendMode::kSrcOver }) {
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Combination expected;
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expected.fShaderType = s;
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expected.fTileMode = tm;
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expected.fBlendMode = bm;
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auto [ p, expectedNumUniforms ] = create_paint(expected);
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auto [ actual, uniforms] = ExtractCombo(p);
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SkASSERT(expected == actual);
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SkASSERT(expectedNumUniforms == uniforms->fCount);
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for (int i = 0; i < uniforms->fCount; ++i) {
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SkASSERT(uniforms->fOffsets[i] >= 0 &&
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uniforms->fOffsets[i] < uniforms->fDataSize);
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}
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}
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}
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}
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}
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