aosp12/external/skia/tests/RenderTargetContextTest.cpp

73 lines
2.4 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// This is a GPU-backend specific test.
#include "tests/Test.h"
#include "include/gpu/GrDirectContext.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrImageInfo.h"
#include "src/gpu/GrSurfaceDrawContext.h"
#include "src/gpu/GrTextureProxy.h"
static const int kSize = 64;
static std::unique_ptr<GrSurfaceDrawContext> get_rtc(GrRecordingContext* rContext) {
return GrSurfaceDrawContext::Make(rContext, GrColorType::kRGBA_8888, nullptr,
SkBackingFit::kExact, {kSize, kSize}, SkSurfaceProps());
}
static void check_instantiation_status(skiatest::Reporter* reporter,
GrSurfaceDrawContext* rtCtx,
bool wrappedExpectation) {
REPORTER_ASSERT(reporter, rtCtx->asRenderTargetProxy()->isInstantiated() == wrappedExpectation);
GrTextureProxy* tProxy = rtCtx->asTextureProxy();
REPORTER_ASSERT(reporter, tProxy);
REPORTER_ASSERT(reporter, tProxy->isInstantiated() == wrappedExpectation);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RenderTargetContextTest, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
// Calling instantiate on a GrSurfaceDrawContext's textureProxy also instantiates the
// GrSurfaceDrawContext
{
auto rtCtx = get_rtc(dContext);
check_instantiation_status(reporter, rtCtx.get(), false);
GrTextureProxy* tProxy = rtCtx->asTextureProxy();
REPORTER_ASSERT(reporter, tProxy);
REPORTER_ASSERT(reporter, tProxy->instantiate(dContext->priv().resourceProvider()));
check_instantiation_status(reporter, rtCtx.get(), true);
}
// readPixels switches a deferred rtCtx to wrapped
{
auto rtCtx = get_rtc(dContext);
check_instantiation_status(reporter, rtCtx.get(), false);
SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(kSize, kSize);
GrPixmap dstPM = GrPixmap::Allocate(dstInfo);
bool result = rtCtx->readPixels(dContext, dstPM, {0, 0});
REPORTER_ASSERT(reporter, result);
check_instantiation_status(reporter, rtCtx.get(), true);
}
// TODO: in a future world we should be able to add a test that the majority of
// GrSurfaceDrawContext calls do not force the instantiation of a deferred
// GrSurfaceDrawContext
}