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skia2/tests/ProcessorTest.cpp
Brian Salomon 649a3411f9 Add a separate draw function to GrRenderTargetContext for GrMeshDrawOp derived classes. 
The first phase of deferring GrPipeline creation until flush will apply only to GrDrawOp subclasses that do not derive from GrMeshDrawOp. This change prepares for that by creating separate draw functions on GrRenderTargetContext for GrMeshDrawOp-derived ops. This is temporary and will incrementally be undone as pipeline-creation deferral rolls out to the GrMeshDrawOps in a later phase of this work.


Change-Id: I0f5b71fe913f3273cfe9e965f7d8bbe7f01ad0ef
Reviewed-on: https://skia-review.googlesource.com/9481
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2017-03-09 19:26:13 +00:00

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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 "GrClip.h"
#include "GrContext.h"
#include "GrGpuResource.h"
#include "GrPipelineBuilder.h"
#include "GrRenderTargetContext.h"
#include "GrRenderTargetContextPriv.h"
#include "GrResourceProvider.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#include "ops/GrNonAAFillRectOp.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<GrMeshDrawOp> Make() {
return std::unique_ptr<GrMeshDrawOp>(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(GrContext* context,
const SkTArray<sk_sp<GrTextureProxy>>& proxies,
const SkTArray<sk_sp<GrBuffer>>& buffers,
const SkTArray<Image>& images) {
return sk_sp<GrFragmentProcessor>(new TestFP(context, proxies, 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));
}
private:
TestFP(GrContext* context,
const SkTArray<sk_sp<GrTextureProxy>>& proxies,
const SkTArray<sk_sp<GrBuffer>>& buffers,
const SkTArray<Image>& images)
: INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) {
for (const auto& proxy : proxies) {
this->addTextureSampler(&fSamplers.emplace_back(context->resourceProvider(), proxy));
}
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)
: INHERITED(kNone_OptimizationFlags), 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;
typedef GrFragmentProcessor INHERITED;
};
}
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;
}
void testingOnly_getIORefCnts(GrTextureProxy* proxy, int* refCnt, int* readCnt, int* writeCnt) {
*refCnt = proxy->getBackingRefCnt_TestOnly();
*readCnt = proxy->getPendingReadCnt_TestOnly();
*writeCnt = proxy->getPendingWriteCnt_TestOnly();
}
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<GrTextureProxy> proxy1(GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
*context->caps(), desc,
SkBackingFit::kExact,
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<GrTextureProxy>> proxies;
SkTArray<sk_sp<GrBuffer>> buffers;
SkTArray<TestFP::Image> images;
proxies.push_back(proxy1);
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<GrMeshDrawOp> op(TestOp::Make());
GrPaint paint;
auto fp = TestFP::Make(context,
std::move(proxies), 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_addMeshDrawOp(
std::move(paint), GrAAType::kNone, std::move(op));
}
int refCnt, readCnt, writeCnt;
testingOnly_getIORefCnts(proxy1.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(proxy1.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);
}
}
}
}
// This test uses the random GrFragmentProcessor test factory, which relies on static initializers.
#if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
static GrColor texel_color(int i, int j) {
SkASSERT((unsigned)i < 256 && (unsigned)j < 256);
GrColor color = GrColorPackRGBA(j, (uint8_t)(i + j), (uint8_t)(2 * j - i), i);
return GrPremulColor(color);
}
static GrColor4f texel_color4f(int i, int j) { return GrColor4f::FromGrColor(texel_color(i, j)); }
void test_draw_op(GrContext* context, GrRenderTargetContext* rtc, sk_sp<GrFragmentProcessor> fp,
sk_sp<GrTextureProxy> inputDataProxy) {
GrPaint paint;
paint.addColorTextureProcessor(context, std::move(inputDataProxy), nullptr, SkMatrix::I());
paint.addColorFragmentProcessor(std::move(fp));
paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
GrPipelineBuilder pb(std::move(paint), GrAAType::kNone);
auto op =
GrNonAAFillRectOp::Make(GrColor_WHITE, SkMatrix::I(),
SkRect::MakeWH(rtc->width(), rtc->height()), nullptr, nullptr);
rtc->addMeshDrawOp(pb, GrNoClip(), std::move(op));
}
#if GR_TEST_UTILS
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ProcessorOptimizationValidationTest, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
using FPFactory = GrProcessorTestFactory<GrFragmentProcessor>;
SkRandom random;
sk_sp<GrRenderTargetContext> rtc = context->makeRenderTargetContext(
SkBackingFit::kExact, 256, 256, kRGBA_8888_GrPixelConfig, nullptr);
GrSurfaceDesc desc;
desc.fWidth = 256;
desc.fHeight = 256;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fConfig = kRGBA_8888_GrPixelConfig;
// Put premul data into the RGBA texture that the test FPs can optionally use.
std::unique_ptr<GrColor[]> rgbaData(new GrColor[256 * 256]);
for (int y = 0; y < 256; ++y) {
for (int x = 0; x < 256; ++x) {
rgbaData.get()[256 * y + x] =
texel_color(random.nextULessThan(256), random.nextULessThan(256));
}
}
sk_sp<GrTexture> tex0(context->resourceProvider()->createTexture(
desc, SkBudgeted::kYes, rgbaData.get(), 256 * sizeof(GrColor)));
// Put random values into the alpha texture that the test FPs can optionally use.
desc.fConfig = kAlpha_8_GrPixelConfig;
std::unique_ptr<uint8_t[]> alphaData(new uint8_t[256 * 256]);
for (int y = 0; y < 256; ++y) {
for (int x = 0; x < 256; ++x) {
alphaData.get()[256 * y + x] = random.nextULessThan(256);
}
}
sk_sp<GrTexture> tex1(context->resourceProvider()->createTexture(desc, SkBudgeted::kYes,
alphaData.get(), 256));
GrTexture* textures[] = {tex0.get(), tex1.get()};
GrProcessorTestData testData(&random, context, rtc.get(), textures);
// Use a different array of premul colors for the output of the fragment processor that preceeds
// the fragment processor under test.
for (int y = 0; y < 256; ++y) {
for (int x = 0; x < 256; ++x) {
rgbaData.get()[256 * y + x] = texel_color(x, y);
}
}
desc.fConfig = kRGBA_8888_GrPixelConfig;
sk_sp<GrTextureProxy> dataProxy = GrSurfaceProxy::MakeDeferred(*context->caps(),
context->resourceProvider(),
desc, SkBudgeted::kYes,
rgbaData.get(),
256 * sizeof(GrColor));
// Because processors factories configure themselves in random ways, this is not exhaustive.
for (int i = 0; i < FPFactory::Count(); ++i) {
int timesToInvokeFactory = 5;
// Increase the number of attempts if the FP has child FPs since optimizations likely depend
// on child optimizations being present.
sk_sp<GrFragmentProcessor> fp = FPFactory::MakeIdx(i, &testData);
for (int j = 0; j < fp->numChildProcessors(); ++j) {
// This value made a reasonable trade off between time and coverage when this test was
// written.
timesToInvokeFactory *= FPFactory::Count() / 2;
}
for (int j = 0; j < timesToInvokeFactory; ++j) {
fp = FPFactory::MakeIdx(i, &testData);
if (!fp->hasConstantOutputForConstantInput() && !fp->preservesOpaqueInput() &&
!fp->compatibleWithCoverageAsAlpha()) {
continue;
}
test_draw_op(context, rtc.get(), fp, dataProxy);
memset(rgbaData.get(), 0x0, sizeof(GrColor) * 256 * 256);
rtc->readPixels(
SkImageInfo::Make(256, 256, kRGBA_8888_SkColorType, kPremul_SkAlphaType),
rgbaData.get(), 0, 0, 0);
bool passing = true;
if (0) { // Useful to see what FPs are being tested.
SkString children;
for (int c = 0; c < fp->numChildProcessors(); ++c) {
if (!c) {
children.append("(");
}
children.append(fp->childProcessor(c).name());
children.append(c == fp->numChildProcessors() - 1 ? ")" : ", ");
}
SkDebugf("%s %s\n", fp->name(), children.c_str());
}
for (int y = 0; y < 256 && passing; ++y) {
for (int x = 0; x < 256 && passing; ++x) {
GrColor input = texel_color(x, y);
GrColor output = rgbaData.get()[y * 256 + x];
if (fp->compatibleWithCoverageAsAlpha()) {
// A modulating processor is allowed to modulate either the input color or
// just the input alpha.
bool legalColorModulation =
GrColorUnpackA(output) <= GrColorUnpackA(input) &&
GrColorUnpackR(output) <= GrColorUnpackR(input) &&
GrColorUnpackG(output) <= GrColorUnpackG(input) &&
GrColorUnpackB(output) <= GrColorUnpackB(input);
bool legalAlphaModulation =
GrColorUnpackA(output) <= GrColorUnpackA(input) &&
GrColorUnpackR(output) <= GrColorUnpackA(input) &&
GrColorUnpackG(output) <= GrColorUnpackA(input) &&
GrColorUnpackB(output) <= GrColorUnpackA(input);
if (!legalColorModulation && !legalAlphaModulation) {
ERRORF(reporter,
"\"Modulating\" processor %s made color/alpha value larger. "
"Input: 0x%0x8, Output: 0x%08x.",
fp->name(), input, output);
passing = false;
}
}
GrColor4f input4f = texel_color4f(x, y);
GrColor4f output4f = GrColor4f::FromGrColor(output);
GrColor4f expected4f;
if (fp->hasConstantOutputForConstantInput(input4f, &expected4f)) {
float rDiff = fabsf(output4f.fRGBA[0] - expected4f.fRGBA[0]);
float gDiff = fabsf(output4f.fRGBA[1] - expected4f.fRGBA[1]);
float bDiff = fabsf(output4f.fRGBA[2] - expected4f.fRGBA[2]);
float aDiff = fabsf(output4f.fRGBA[3] - expected4f.fRGBA[3]);
static constexpr float kTol = 4 / 255.f;
if (rDiff > kTol || gDiff > kTol || bDiff > kTol || aDiff > kTol) {
ERRORF(reporter,
"Processor %s claimed output for const input doesn't match "
"actual output. Error: %f, Tolerance: %f, input: (%f, %f, %f, "
"%f), actual: (%f, %f, %f, %f), expected(%f, %f, %f, %f)",
fp->name(), SkTMax(rDiff, SkTMax(gDiff, SkTMax(bDiff, aDiff))),
kTol, input4f.fRGBA[0], input4f.fRGBA[1], input4f.fRGBA[2],
input4f.fRGBA[3], output4f.fRGBA[0], output4f.fRGBA[1],
output4f.fRGBA[2], output4f.fRGBA[3], expected4f.fRGBA[0],
expected4f.fRGBA[1], expected4f.fRGBA[2], expected4f.fRGBA[3]);
passing = false;
}
}
if (GrColorIsOpaque(input) && fp->preservesOpaqueInput() &&
!GrColorIsOpaque(output)) {
ERRORF(reporter,
"Processor %s claimed opaqueness is preserved but it is not. Input: "
"0x%0x8, Output: 0x%08x.",
fp->name(), input, output);
passing = false;
}
}
}
}
}
}
#endif // GR_TEST_UTILS
#endif // SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
#endif // SK_SUPPORT_GPU
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