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skia2/tests/ProcessorTest.cpp
Brian Salomon 5f13fbac19 Stop tracking whether GrFragmentProcessors read their input 
Change-Id: Id5338901978b97289798eaef873527597bd8dfd6
Reviewed-on: https://skia-review.googlesource.com/7414
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2017-01-23 20:17:53 +00:00

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9.5 KiB
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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrGpuResource.h"
#include "GrRenderTargetContext.h"
#include "GrRenderTargetContextPriv.h"
#include "GrResourceProvider.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#include "ops/GrTestMeshDrawOp.h"
namespace {
class TestOp : public GrTestMeshDrawOp {
public:
DEFINE_OP_CLASS_ID
const char* name() const override { return "TestOp"; }
static std::unique_ptr<GrDrawOp> Make() { return std::unique_ptr<GrDrawOp>(new TestOp); }
private:
TestOp() : INHERITED(ClassID(), SkRect::MakeWH(100, 100), 0xFFFFFFFF) {}
void onPrepareDraws(Target* target) const override { return; }
typedef GrTestMeshDrawOp INHERITED;
};
/**
* FP used to test ref/IO counts on owned GrGpuResources. Can also be a parent FP to test counts
* of resources owned by child FPs.
*/
class TestFP : public GrFragmentProcessor {
public:
struct Image {
Image(sk_sp<GrTexture> texture, GrIOType ioType) : fTexture(texture), fIOType(ioType) {}
sk_sp<GrTexture> fTexture;
GrIOType fIOType;
};
static sk_sp<GrFragmentProcessor> Make(sk_sp<GrFragmentProcessor> child) {
return sk_sp<GrFragmentProcessor>(new TestFP(std::move(child)));
}
static sk_sp<GrFragmentProcessor> Make(const SkTArray<sk_sp<GrTexture>>& textures,
const SkTArray<sk_sp<GrBuffer>>& buffers,
const SkTArray<Image>& images) {
return sk_sp<GrFragmentProcessor>(new TestFP(textures, buffers, images));
}
const char* name() const override { return "test"; }
void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override {
// We don't really care about reusing these.
static int32_t gKey = 0;
b->add32(sk_atomic_inc(&gKey));
}
void onComputeInvariantOutput(GrInvariantOutput* inout) const override {
// We don't care about optimizing these processors.
inout->setToUnknown();
}
private:
TestFP(const SkTArray<sk_sp<GrTexture>>& textures, const SkTArray<sk_sp<GrBuffer>>& buffers,
const SkTArray<Image>& images)
: fSamplers(4), fBuffers(4), fImages(4) {
for (const auto& texture : textures) {
this->addTextureSampler(&fSamplers.emplace_back(texture.get()));
}
for (const auto& buffer : buffers) {
this->addBufferAccess(&fBuffers.emplace_back(kRGBA_8888_GrPixelConfig, buffer.get()));
}
for (const Image& image : images) {
this->addImageStorageAccess(&fImages.emplace_back(
image.fTexture, image.fIOType, GrSLMemoryModel::kNone, GrSLRestrict::kNo));
}
}
TestFP(sk_sp<GrFragmentProcessor> child) : fSamplers(4), fBuffers(4), fImages(4) {
this->registerChildProcessor(std::move(child));
}
virtual GrGLSLFragmentProcessor* onCreateGLSLInstance() const override {
class TestGLSLFP : public GrGLSLFragmentProcessor {
public:
TestGLSLFP() {}
void emitCode(EmitArgs& args) override {
GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, args.fInputColor);
}
private:
};
return new TestGLSLFP();
}
bool onIsEqual(const GrFragmentProcessor&) const override { return false; }
GrTAllocator<TextureSampler> fSamplers;
GrTAllocator<BufferAccess> fBuffers;
GrTAllocator<ImageStorageAccess> fImages;
};
}
template <typename T>
inline void testingOnly_getIORefCnts(const T* resource, int* refCnt, int* readCnt, int* writeCnt) {
*refCnt = resource->fRefCnt;
*readCnt = resource->fPendingReads;
*writeCnt = resource->fPendingWrites;
}
DEF_GPUTEST_FOR_ALL_CONTEXTS(ProcessorRefTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
GrTextureDesc desc;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fWidth = 10;
desc.fHeight = 10;
for (int parentCnt = 0; parentCnt < 2; parentCnt++) {
sk_sp<GrRenderTargetContext> renderTargetContext(context->makeRenderTargetContext(
SkBackingFit::kApprox, 1, 1, kRGBA_8888_GrPixelConfig, nullptr));
{
bool texelBufferSupport = context->caps()->shaderCaps()->texelBufferSupport();
bool imageLoadStoreSupport = context->caps()->shaderCaps()->imageLoadStoreSupport();
sk_sp<GrTexture> texture1(
context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
sk_sp<GrTexture> texture2(
context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
sk_sp<GrTexture> texture3(
context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
sk_sp<GrTexture> texture4(
context->resourceProvider()->createTexture(desc, SkBudgeted::kYes));
sk_sp<GrBuffer> buffer(texelBufferSupport
? context->resourceProvider()->createBuffer(
1024, GrBufferType::kTexel_GrBufferType,
GrAccessPattern::kStatic_GrAccessPattern, 0)
: nullptr);
{
SkTArray<sk_sp<GrTexture>> textures;
SkTArray<sk_sp<GrBuffer>> buffers;
SkTArray<TestFP::Image> images;
textures.push_back(texture1);
if (texelBufferSupport) {
buffers.push_back(buffer);
}
if (imageLoadStoreSupport) {
images.emplace_back(texture2, GrIOType::kRead_GrIOType);
images.emplace_back(texture3, GrIOType::kWrite_GrIOType);
images.emplace_back(texture4, GrIOType::kRW_GrIOType);
}
std::unique_ptr<GrDrawOp> op(TestOp::Make());
GrPaint paint;
auto fp = TestFP::Make(std::move(textures), std::move(buffers), std::move(images));
for (int i = 0; i < parentCnt; ++i) {
fp = TestFP::Make(std::move(fp));
}
paint.addColorFragmentProcessor(std::move(fp));
renderTargetContext->priv().testingOnly_addDrawOp(std::move(paint), GrAAType::kNone,
std::move(op));
}
int refCnt, readCnt, writeCnt;
testingOnly_getIORefCnts(texture1.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 1 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
if (texelBufferSupport) {
testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 1 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
}
if (imageLoadStoreSupport) {
testingOnly_getIORefCnts(texture2.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 1 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
testingOnly_getIORefCnts(texture3.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 0 == readCnt);
REPORTER_ASSERT(reporter, 1 == writeCnt);
testingOnly_getIORefCnts(texture4.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 1 == readCnt);
REPORTER_ASSERT(reporter, 1 == writeCnt);
}
context->flush();
testingOnly_getIORefCnts(texture1.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 0 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
if (texelBufferSupport) {
testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 0 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
}
if (texelBufferSupport) {
testingOnly_getIORefCnts(texture2.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 0 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
testingOnly_getIORefCnts(texture3.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 0 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
testingOnly_getIORefCnts(texture4.get(), &refCnt, &readCnt, &writeCnt);
REPORTER_ASSERT(reporter, 1 == refCnt);
REPORTER_ASSERT(reporter, 0 == readCnt);
REPORTER_ASSERT(reporter, 0 == writeCnt);
}
}
}
}
#endif
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