skia2/tests/LazyProxyTest.cpp
Chris Dalton 706a6ff60c Add "lazy" texture proxies
Adds ultra-deferred proxies that are instantiated by a user-supplied
callback during flush.

Bug: skia:7190
Change-Id: I75a7ac6dba953c3b0a99febc203a7f4d2f3789fc
Reviewed-on: https://skia-review.googlesource.com/76461
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2017-11-30 15:37:12 +00:00

190 lines
7.6 KiB
C++

/*
* 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 "Test.h"
#if SK_SUPPORT_GPU
#include "GrClip.h"
#include "GrContextPriv.h"
#include "GrOnFlushResourceProvider.h"
#include "GrRenderTargetContext.h"
#include "GrRenderTargetContextPriv.h"
#include "GrSurfaceProxy.h"
#include "GrTexture.h"
#include "GrTextureProxy.h"
#include "GrTextureProxyPriv.h"
#include "SkMakeUnique.h"
#include "mock/GrMockTypes.h"
// This test verifies that lazy proxy callbacks get invoked during flush, after onFlush callbacks,
// but before Ops are executed. It also ensures that lazy proxy callbacks are invoked both for
// regular Ops and for clips.
class LazyProxyTest final : public GrOnFlushCallbackObject {
public:
LazyProxyTest(skiatest::Reporter* reporter)
: fReporter(reporter)
, fHasOpTexture(false)
, fHasClipTexture(false) {
}
~LazyProxyTest() override {
REPORTER_ASSERT(fReporter, fHasOpTexture);
REPORTER_ASSERT(fReporter, fHasClipTexture);
}
void preFlush(GrOnFlushResourceProvider*, const uint32_t*, int,
SkTArray<sk_sp<GrRenderTargetContext>>*) override {
REPORTER_ASSERT(fReporter, !fHasOpTexture);
REPORTER_ASSERT(fReporter, !fHasClipTexture);
}
void postFlush(GrDeferredUploadToken, const uint32_t* opListIDs, int numOpListIDs) override {
REPORTER_ASSERT(fReporter, fHasOpTexture);
REPORTER_ASSERT(fReporter, fHasClipTexture);
}
class Op final : public GrDrawOp {
public:
DEFINE_OP_CLASS_ID
Op(LazyProxyTest* test, bool nullTexture) : GrDrawOp(ClassID()), fTest(test) {
fProxy = GrSurfaceProxy::MakeLazy([this, nullTexture](GrResourceProvider* rp,
GrSurfaceOrigin* origin) {
REPORTER_ASSERT(fTest->fReporter, !fTest->fHasOpTexture);
fTest->fHasOpTexture = true;
*origin = kTopLeft_GrSurfaceOrigin;
if (nullTexture) {
return sk_sp<GrTexture>();
} else {
GrSurfaceDesc desc;
desc.fWidth = 1234;
desc.fHeight = 567;
desc.fOrigin = kTopLeft_GrSurfaceOrigin;
desc.fConfig = kRGB_565_GrPixelConfig;
sk_sp<GrTexture> texture = rp->createTexture(desc, SkBudgeted::kYes);
REPORTER_ASSERT(fTest->fReporter, texture);
return texture;
}
}, GrSurfaceProxy::Renderable::kNo, kRGB_565_GrPixelConfig);
this->setBounds(SkRect::MakeLargest(), GrOp::HasAABloat::kNo, GrOp::IsZeroArea::kNo);
}
void visitProxies(const VisitProxyFunc& func) const override {
func(fProxy.get());
}
void onExecute(GrOpFlushState*) override {
REPORTER_ASSERT(fTest->fReporter, fTest->fHasOpTexture);
REPORTER_ASSERT(fTest->fReporter, fTest->fHasClipTexture);
}
private:
const char* name() const override { return "LazyProxyTest::Op"; }
FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*,
GrPixelConfigIsClamped) override {
return RequiresDstTexture::kNo;
}
void wasRecorded(GrRenderTargetOpList*) override {}
bool onCombineIfPossible(GrOp* other, const GrCaps& caps) override { return false; }
void onPrepare(GrOpFlushState*) override {}
LazyProxyTest* const fTest;
sk_sp<GrTextureProxy> fProxy;
};
class ClipFP : public GrFragmentProcessor {
public:
ClipFP(LazyProxyTest* test, GrTextureProxy* atlas)
: GrFragmentProcessor(kTestFP_ClassID, kNone_OptimizationFlags)
, fTest(test)
, fAtlas(atlas) {
fLazyProxy = GrSurfaceProxy::MakeLazy([this](GrResourceProvider* rp,
GrSurfaceOrigin* origin) {
REPORTER_ASSERT(fTest->fReporter, !fTest->fHasClipTexture);
fTest->fHasClipTexture = true;
*origin = kBottomLeft_GrSurfaceOrigin;
fAtlas->instantiate(rp);
return sk_ref_sp(fAtlas->priv().peekTexture());
}, GrSurfaceProxy::Renderable::kYes, kAlpha_half_GrPixelConfig);
fAccess.reset(fLazyProxy, GrSamplerState::Filter::kNearest,
GrSamplerState::WrapMode::kClamp, kFragment_GrShaderFlag);
this->addTextureSampler(&fAccess);
}
private:
const char* name() const override { return "LazyProxyTest::ClipFP"; }
std::unique_ptr<GrFragmentProcessor> clone() const override {
return skstd::make_unique<ClipFP>(fTest, fAtlas);
}
GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { return nullptr; }
void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {}
bool onIsEqual(const GrFragmentProcessor&) const override { return false; }
LazyProxyTest* const fTest;
GrTextureProxy* const fAtlas;
sk_sp<GrTextureProxy> fLazyProxy;
TextureSampler fAccess;
};
class Clip : public GrClip {
public:
Clip(LazyProxyTest* test, GrTextureProxy* atlas)
: fTest(test)
, fAtlas(atlas) {}
private:
bool apply(GrContext*, GrRenderTargetContext*, bool, bool, GrAppliedClip* out,
SkRect* bounds) const override {
out->addCoverageFP(skstd::make_unique<ClipFP>(fTest, fAtlas));
return true;
}
bool quickContains(const SkRect&) const final { return false; }
bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA*) const final { return false; }
void getConservativeBounds(int width, int height, SkIRect* rect, bool* iior) const final {
rect->set(0, 0, width, height);
if (iior) {
*iior = false;
}
}
LazyProxyTest* const fTest;
GrTextureProxy* fAtlas;
};
private:
skiatest::Reporter* fReporter;
bool fHasOpTexture;
bool fHasClipTexture;
};
DEF_GPUTEST(LazyProxyTest, reporter, /* options */) {
GrMockOptions mockOptions;
mockOptions.fConfigOptions[kAlpha_half_GrPixelConfig].fRenderable[0] = true;
mockOptions.fConfigOptions[kAlpha_half_GrPixelConfig].fTexturable = true;
sk_sp<GrContext> ctx = GrContext::MakeMock(&mockOptions, GrContextOptions());
for (bool nullTexture : {false, true}) {
LazyProxyTest test(reporter);
ctx->contextPriv().addOnFlushCallbackObject(&test);
sk_sp<GrRenderTargetContext> rtc =
ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 100, 100,
kRGBA_8888_GrPixelConfig, nullptr);
REPORTER_ASSERT(reporter, rtc);
sk_sp<GrRenderTargetContext> mockAtlas =
ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact, 10, 10,
kAlpha_half_GrPixelConfig, nullptr);
REPORTER_ASSERT(reporter, mockAtlas);
rtc->priv().testingOnly_addDrawOp(LazyProxyTest::Clip(&test, mockAtlas->asTextureProxy()),
skstd::make_unique<LazyProxyTest::Op>(&test, nullTexture));
ctx->contextPriv().testingOnly_flushAndRemoveOnFlushCallbackObject(&test);
}
}
#endif