27c4202f4b
Replace with two methods in SkGr.h that make cached/uncached texture proxies from SkBitmap. Move code that makes a GrFP from the proxy to SkImage_Raster::asFragmentProcessor. Bug: skia:11877 Change-Id: I51a0ae687561be9b0e44b98ee50f171e42476d94 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/401920 Reviewed-by: Robert Phillips <robertphillips@google.com> Reviewed-by: Michael Ludwig <michaelludwig@google.com> Commit-Queue: Brian Salomon <bsalomon@google.com>
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*
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* Copyright 2019 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 "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkShader.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTileMode.h"
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#include "include/core/SkTypes.h"
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#include "src/gpu/GrCaps.h"
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#include "src/gpu/GrDirectContextPriv.h"
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#include "src/gpu/GrFragmentProcessor.h"
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#include "src/gpu/GrSurfaceDrawContext.h"
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#include "src/gpu/SkGr.h"
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#include "src/gpu/effects/GrRRectEffect.h"
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#include "src/gpu/effects/GrSkSLFP.h"
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#include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
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#include "src/gpu/ops/GrFillRectOp.h"
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#include "tools/Resources.h"
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#include "tools/ToolUtils.h"
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class SampleCoordEffect : public GrFragmentProcessor {
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public:
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static constexpr GrProcessor::ClassID CLASS_ID = (GrProcessor::ClassID) 0;
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SampleCoordEffect(std::unique_ptr<GrFragmentProcessor> child)
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: INHERITED(CLASS_ID, kNone_OptimizationFlags) {
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this->registerChild(std::move(child), SkSL::SampleUsage::Explicit());
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}
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const char* name() const override { return "SampleCoordEffect"; }
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std::unique_ptr<GrFragmentProcessor> clone() const override {
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SkASSERT(false);
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return nullptr;
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}
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void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {
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}
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bool onIsEqual(const GrFragmentProcessor&) const override {
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SkASSERT(false);
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return true;
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}
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private:
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std::unique_ptr<GrGLSLFragmentProcessor> onMakeProgramImpl() const override;
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using INHERITED = GrFragmentProcessor;
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};
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class GLSLSampleCoordEffect : public GrGLSLFragmentProcessor {
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void emitCode(EmitArgs& args) override {
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GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
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SkString sample1 = this->invokeChild(0, args, "float2(sk_FragCoord.x, sk_FragCoord.y)");
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SkString sample2 = this->invokeChild(0, args, "float2(sk_FragCoord.x, 512-sk_FragCoord.y)");
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fragBuilder->codeAppendf("return (%s + %s) / 2;\n", sample1.c_str(), sample2.c_str());
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}
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};
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std::unique_ptr<GrGLSLFragmentProcessor> SampleCoordEffect::onMakeProgramImpl() const {
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return std::make_unique<GLSLSampleCoordEffect>();
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}
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DEF_SIMPLE_GPU_GM_BG(fpcoordinateoverride, ctx, rtCtx, canvas, 512, 512,
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ToolUtils::color_to_565(0xFF66AA99)) {
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SkRect bounds = SkRect::MakeIWH(512, 512);
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SkBitmap bmp;
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GetResourceAsBitmap("images/mandrill_512_q075.jpg", &bmp);
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auto view = std::get<0>(GrMakeCachedBitmapProxyView(ctx, bmp, GrMipmapped::kNo));
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if (!view) {
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return;
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}
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std::unique_ptr<GrFragmentProcessor> imgFP =
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GrTextureEffect::Make(std::move(view), bmp.alphaType(), SkMatrix());
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auto fp = std::unique_ptr<GrFragmentProcessor>(new SampleCoordEffect(std::move(imgFP)));
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GrPaint grPaint;
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grPaint.setCoverageFragmentProcessor(std::move(fp));
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rtCtx->addDrawOp(GrFillRectOp::MakeNonAARect(ctx, std::move(grPaint), SkMatrix::I(), bounds));
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}
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