skia2/tests/RenderTargetContextTest.cpp
Brian Salomon bf6b9795f6 GrSurfaceContext not ref counted.
Also don't specify redundant width/height to SkGpuDevice.

Change-Id: I389df5c4b073c2c05632ba6b7c95b02a22dfaf98
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/235824
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2019-08-21 15:31:23 +00:00

72 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 "src/gpu/GrContextPriv.h"
#include "src/gpu/GrRenderTargetContext.h"
#include "src/gpu/GrTextureProxy.h"
static const int kSize = 64;
static std::unique_ptr<GrRenderTargetContext> get_rtc(GrContext* ctx) {
return ctx->priv().makeDeferredRenderTargetContext(SkBackingFit::kExact, kSize, kSize,
GrColorType::kRGBA_8888, nullptr);
}
static void check_instantiation_status(skiatest::Reporter* reporter,
GrRenderTargetContext* rtCtx,
bool wrappedExpectation) {
REPORTER_ASSERT(reporter, rtCtx->testingOnly_IsInstantiated() == wrappedExpectation);
GrTextureProxy* tProxy = rtCtx->asTextureProxy();
REPORTER_ASSERT(reporter, tProxy);
REPORTER_ASSERT(reporter, tProxy->isInstantiated() == wrappedExpectation);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RenderTargetContextTest, reporter, ctxInfo) {
GrContext* ctx = ctxInfo.grContext();
// Calling instantiate on a GrRenderTargetContext's textureProxy also instantiates the
// GrRenderTargetContext
{
auto rtCtx = get_rtc(ctx);
check_instantiation_status(reporter, rtCtx.get(), false);
GrTextureProxy* tProxy = rtCtx->asTextureProxy();
REPORTER_ASSERT(reporter, tProxy);
REPORTER_ASSERT(reporter, tProxy->instantiate(ctx->priv().resourceProvider()));
check_instantiation_status(reporter, rtCtx.get(), true);
}
// readPixels switches a deferred rtCtx to wrapped
{
auto rtCtx = get_rtc(ctx);
check_instantiation_status(reporter, rtCtx.get(), false);
SkImageInfo dstInfo = SkImageInfo::MakeN32Premul(kSize, kSize);
SkAutoTMalloc<uint32_t> dstBuffer(kSize * kSize);
static const size_t kRowBytes = sizeof(uint32_t) * kSize;
bool result = rtCtx->readPixels(dstInfo, dstBuffer.get(), kRowBytes, {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
// GrRenderTargetContext calls do not force the instantiation of a deferred
// GrRenderTargetContext
}