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skia2/tests/GrPipelineDynamicStateTest.cpp
Greg Daniel d358cbebd4 Add support for plumbing GrDstSampleType through Ops and Pipeline creation. 
This CL adds a new type GrDstSampleType to say how we will sample the dst.

We add tracking of the GrDstSampleType in the recording of GrOps and
then during execution passing the information along to the GrPipeline.

In general the tracking of GrDstSampleType is a global state of a GrOpsTask
so it is kept separate fro the DstProxyView which is more specific to a
single Op on the GrOpsTask.

Bug: skia:10409
Change-Id: Ie843c31f2e48a887daf96cee99ed159b196cb545
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/315645
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2020-09-11 14:42:34 +00:00

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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkTypes.h"
#include "tests/Test.h"
#include "include/gpu/GrDirectContext.h"
#include "include/gpu/GrRecordingContext.h"
#include "src/gpu/GrColor.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrGeometryProcessor.h"
#include "src/gpu/GrImageInfo.h"
#include "src/gpu/GrMemoryPool.h"
#include "src/gpu/GrOpFlushState.h"
#include "src/gpu/GrOpsRenderPass.h"
#include "src/gpu/GrProgramInfo.h"
#include "src/gpu/GrRecordingContextPriv.h"
#include "src/gpu/GrRenderTargetContext.h"
#include "src/gpu/GrRenderTargetContextPriv.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
#include "src/gpu/glsl/GrGLSLGeometryProcessor.h"
#include "src/gpu/glsl/GrGLSLVarying.h"
#include "src/gpu/glsl/GrGLSLVertexGeoBuilder.h"
/**
* This is a GPU-backend specific test for dynamic pipeline state. It draws boxes using dynamic
* scissor rectangles then reads back the result to verify a successful test.
*/
static constexpr int kScreenSize = 6;
static constexpr int kNumMeshes = 4;
static constexpr int kScreenSplitX = kScreenSize/2;
static constexpr int kScreenSplitY = kScreenSize/2;
static const SkIRect kDynamicScissors[kNumMeshes] = {
SkIRect::MakeLTRB(0, 0, kScreenSplitX, kScreenSplitY),
SkIRect::MakeLTRB(0, kScreenSplitY, kScreenSplitX, kScreenSize),
SkIRect::MakeLTRB(kScreenSplitX, 0, kScreenSize, kScreenSplitY),
SkIRect::MakeLTRB(kScreenSplitX, kScreenSplitY, kScreenSize, kScreenSize),
};
static const GrColor kMeshColors[kNumMeshes] {
GrColorPackRGBA(255, 0, 0, 255),
GrColorPackRGBA(0, 255, 0, 255),
GrColorPackRGBA(0, 0, 255, 255),
GrColorPackRGBA(0, 0, 0, 255)
};
struct Vertex {
float fX;
float fY;
GrColor fColor;
};
class GrPipelineDynamicStateTestProcessor : public GrGeometryProcessor {
public:
static GrGeometryProcessor* Make(SkArenaAlloc* arena) {
return arena->make<GrPipelineDynamicStateTestProcessor>();
}
const char* name() const override { return "GrPipelineDynamicStateTest Processor"; }
void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const final {}
GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const final;
const Attribute& inVertex() const { return kAttributes[0]; }
const Attribute& inColor() const { return kAttributes[1]; }
private:
friend class ::SkArenaAlloc; // for access to ctor
GrPipelineDynamicStateTestProcessor()
: INHERITED(kGrPipelineDynamicStateTestProcessor_ClassID) {
this->setVertexAttributes(kAttributes, SK_ARRAY_COUNT(kAttributes));
}
static constexpr Attribute kAttributes[] = {
{"vertex", kFloat2_GrVertexAttribType, kHalf2_GrSLType},
{"color", kUByte4_norm_GrVertexAttribType, kHalf4_GrSLType},
};
friend class GLSLPipelineDynamicStateTestProcessor;
using INHERITED = GrGeometryProcessor;
};
constexpr GrPrimitiveProcessor::Attribute GrPipelineDynamicStateTestProcessor::kAttributes[];
class GLSLPipelineDynamicStateTestProcessor : public GrGLSLGeometryProcessor {
void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor&) final {}
void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) final {
const GrPipelineDynamicStateTestProcessor& mp =
args.fGP.cast<GrPipelineDynamicStateTestProcessor>();
GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
varyingHandler->emitAttributes(mp);
varyingHandler->addPassThroughAttribute(mp.inColor(), args.fOutputColor);
GrGLSLVertexBuilder* v = args.fVertBuilder;
v->codeAppendf("float2 vertex = %s;", mp.inVertex().name());
gpArgs->fPositionVar.set(kFloat2_GrSLType, "vertex");
GrGLSLFPFragmentBuilder* f = args.fFragBuilder;
f->codeAppendf("%s = half4(1);", args.fOutputCoverage);
}
};
GrGLSLPrimitiveProcessor*
GrPipelineDynamicStateTestProcessor::createGLSLInstance(const GrShaderCaps&) const {
return new GLSLPipelineDynamicStateTestProcessor;
}
class GrPipelineDynamicStateTestOp : public GrDrawOp {
public:
DEFINE_OP_CLASS_ID
static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
GrScissorTest scissorTest,
sk_sp<const GrBuffer> vbuff) {
GrOpMemoryPool* pool = context->priv().opMemoryPool();
return pool->allocate<GrPipelineDynamicStateTestOp>(scissorTest, std::move(vbuff));
}
private:
friend class GrOpMemoryPool;
GrPipelineDynamicStateTestOp(GrScissorTest scissorTest, sk_sp<const GrBuffer> vbuff)
: INHERITED(ClassID())
, fScissorTest(scissorTest)
, fVertexBuffer(std::move(vbuff)) {
this->setBounds(SkRect::MakeIWH(kScreenSize, kScreenSize),
HasAABloat::kNo, IsHairline::kNo);
}
const char* name() const override { return "GrPipelineDynamicStateTestOp"; }
FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*,
bool hasMixedSampledCoverage, GrClampType) override {
return GrProcessorSet::EmptySetAnalysis();
}
void onPrePrepare(GrRecordingContext*,
const GrSurfaceProxyView* writeView,
GrAppliedClip*,
const GrXferProcessor::DstProxyView&,
GrXferBarrierFlags renderPassXferBarriers) override {}
void onPrepare(GrOpFlushState*) override {}
void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override {
GrPipeline pipeline(fScissorTest, SkBlendMode::kSrc,
flushState->drawOpArgs().writeSwizzle());
SkSTArray<kNumMeshes, GrSimpleMesh> meshes;
for (int i = 0; i < kNumMeshes; ++i) {
GrSimpleMesh& mesh = meshes.push_back();
mesh.set(fVertexBuffer, 4, 4 * i);
}
auto geomProc = GrPipelineDynamicStateTestProcessor::Make(flushState->allocator());
GrProgramInfo programInfo(flushState->proxy()->numSamples(),
flushState->proxy()->numStencilSamples(),
flushState->proxy()->backendFormat(),
flushState->writeView()->origin(),
&pipeline,
geomProc,
GrPrimitiveType::kTriangleStrip, 0,
flushState->renderPassBarriers());
flushState->bindPipeline(programInfo, SkRect::MakeIWH(kScreenSize, kScreenSize));
for (int i = 0; i < 4; ++i) {
if (fScissorTest == GrScissorTest::kEnabled) {
flushState->setScissorRect(kDynamicScissors[i]);
}
flushState->drawMesh(meshes[i]);
}
}
GrScissorTest fScissorTest;
const sk_sp<const GrBuffer> fVertexBuffer;
using INHERITED = GrDrawOp;
};
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrPipelineDynamicStateTest, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
GrResourceProvider* rp = dContext->priv().resourceProvider();
auto rtc = GrRenderTargetContext::Make(
dContext, GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact,
{kScreenSize, kScreenSize});
if (!rtc) {
ERRORF(reporter, "could not create render target context.");
return;
}
constexpr float d = (float) kScreenSize;
Vertex vdata[kNumMeshes * 4] = {
{0, 0, kMeshColors[0]},
{0, d, kMeshColors[0]},
{d, 0, kMeshColors[0]},
{d, d, kMeshColors[0]},
{0, 0, kMeshColors[1]},
{0, d, kMeshColors[1]},
{d, 0, kMeshColors[1]},
{d, d, kMeshColors[1]},
{0, 0, kMeshColors[2]},
{0, d, kMeshColors[2]},
{d, 0, kMeshColors[2]},
{d, d, kMeshColors[2]},
{0, 0, kMeshColors[3]},
{0, d, kMeshColors[3]},
{d, 0, kMeshColors[3]},
{d, d, kMeshColors[3]}
};
sk_sp<const GrBuffer> vbuff(rp->createBuffer(sizeof(vdata), GrGpuBufferType::kVertex,
kDynamic_GrAccessPattern, vdata));
if (!vbuff) {
ERRORF(reporter, "vbuff is null.");
return;
}
uint32_t resultPx[kScreenSize * kScreenSize];
for (GrScissorTest scissorTest : {GrScissorTest::kEnabled, GrScissorTest::kDisabled}) {
rtc->clear(SkPMColor4f::FromBytes_RGBA(0xbaaaaaad));
rtc->priv().testingOnly_addDrawOp(
GrPipelineDynamicStateTestOp::Make(dContext, scissorTest, vbuff));
auto ii = SkImageInfo::Make(kScreenSize, kScreenSize,
kRGBA_8888_SkColorType, kPremul_SkAlphaType);
rtc->readPixels(dContext, ii, resultPx, 4 * kScreenSize, {0, 0});
for (int y = 0; y < kScreenSize; ++y) {
for (int x = 0; x < kScreenSize; ++x) {
int expectedColorIdx;
if (GrScissorTest::kEnabled == scissorTest) {
expectedColorIdx = (x < kScreenSplitX ? 0 : 2) + (y < kScreenSplitY ? 0 : 1);
} else {
expectedColorIdx = kNumMeshes - 1;
}
uint32_t expected = kMeshColors[expectedColorIdx];
uint32_t actual = resultPx[y * kScreenSize + x];
if (expected != actual) {
ERRORF(reporter, "[scissor=%s] pixel (%i,%i): got 0x%x expected 0x%x",
GrScissorTest::kEnabled == scissorTest ? "enabled" : "disabled", x, y,
actual, expected);
return;
}
}
}
}
}
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