skia2/tests/RenderTargetContextTest.cpp
Robert Phillips 2af746c1e7 Revert "Rm makeRenderTargetContext in favor of deferred version (take 2)"
This reverts commit 02242e82e4.

Reason for revert: Maybe breaking Chrome DEPS roll

Original change's description:
> Rm makeRenderTargetContext in favor of deferred version (take 2)
> 
> This is a reland of: https://skia-review.googlesource.com/c/13001/ (Rm makeRenderTargetContext in favor of deferred version) 
> 
> Change-Id: Ife77b012d09c46895884a168fc5045bd92a4b919
> Reviewed-on: https://skia-review.googlesource.com/13196
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> 

TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I2607116ed743f5d313da4a7b7f056776ed907702
Reviewed-on: https://skia-review.googlesource.com/14024
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2017-04-21 12:29:00 +00:00

94 lines
3.2 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 "Test.h"
// MDB TODO: With the move of the discard calls to the RenderTargetContext, deferred RTCs are being
// instantiated early. This test can be re-enabled once discards do not force an instantiation
// (i.e., when renderTargetProxies carry the op IORefs)
#if 0
#if SK_SUPPORT_GPU
#include "GrTextureProxy.h"
#include "GrRenderTargetContext.h"
static const int kSize = 64;
static sk_sp<GrRenderTargetContext> get_rtc(GrContext* ctx, bool wrapped) {
if (wrapped) {
return ctx->makeRenderTargetContext(SkBackingFit::kExact,
kSize, kSize,
kRGBA_8888_GrPixelConfig, nullptr);
} else {
return ctx->makeDeferredRenderTargetContext(SkBackingFit::kExact,
kSize, kSize,
kRGBA_8888_GrPixelConfig, nullptr);
}
}
static void check_is_wrapped_status(skiatest::Reporter* reporter,
GrRenderTargetContext* rtCtx,
bool wrappedExpectation) {
REPORTER_ASSERT(reporter, rtCtx->isWrapped_ForTesting() == wrappedExpectation);
GrTextureProxy* tProxy = rtCtx->asTextureProxy();
REPORTER_ASSERT(reporter, tProxy);
REPORTER_ASSERT(reporter, tProxy->isWrapped_ForTesting() == wrappedExpectation);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(RenderTargetContextTest, reporter, ctxInfo) {
GrContext* ctx = ctxInfo.grContext();
// A wrapped rtCtx's textureProxy is also wrapped
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, true));
check_is_wrapped_status(reporter, rtCtx.get(), true);
}
// Calling instantiate on a GrRenderTargetContext's textureProxy also instantiates the
// GrRenderTargetContext
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false));
check_is_wrapped_status(reporter, rtCtx.get(), false);
GrTextureProxy* tProxy = rtCtx->asTextureProxy();
REPORTER_ASSERT(reporter, tProxy);
GrTexture* tex = tProxy->instantiate(ctx->resourceProvider());
REPORTER_ASSERT(reporter, tex);
check_is_wrapped_status(reporter, rtCtx.get(), true);
}
// readPixels switches a deferred rtCtx to wrapped
{
sk_sp<GrRenderTargetContext> rtCtx(get_rtc(ctx, false));
check_is_wrapped_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_is_wrapped_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
}
#endif
#endif