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/*
* Copyright 2018 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 "GrBackendSurface.h"
#include "GrContextPriv.h"
#include "GrGpu.h"
#include "GrTest.h"
#include "SkDeferredDisplayListRecorder.h"
#include "SkImage_Gpu.h"
using namespace sk_gpu_test;
struct PromiseTextureChecker {
explicit PromiseTextureChecker(const GrBackendTexture& tex)
: fTexture(tex)
, fFulfillCount(0)
, fReleaseCount(0) {}
GrBackendTexture fTexture;
int fFulfillCount;
int fReleaseCount;
static void Fulfill(void* self, GrBackendTexture* outTexture) {
static_cast<PromiseTextureChecker*>(self)->fFulfillCount++;
*outTexture = static_cast<PromiseTextureChecker*>(self)->fTexture;
}
static void Release(void* self) {
static_cast<PromiseTextureChecker*>(self)->fReleaseCount++;
}
};
// Because Vulkan may delay when it actually calls the ReleaseProcs depending on when command
// buffers finish their work, we need some slight wiggle room in what values we expect for fulfill
// and release counts.
static bool check_fulfill_and_release_cnts(const PromiseTextureChecker& promiseChecker,
bool countsMustBeEqual,
int expectedFulfillCnt,
int expectedReleaseCnt,
bool expectedRequired,
skiatest::Reporter* reporter) {
bool result = true;
int countDiff = promiseChecker.fFulfillCount - promiseChecker.fReleaseCount;
// FulfillCount should always equal ReleaseCount or be at most one higher
if (countDiff != 0) {
if (countsMustBeEqual) {
result = false;
REPORTER_ASSERT(reporter, 0 == countDiff);
} else if (countDiff != 1) {
result = false;
REPORTER_ASSERT(reporter, 0 == countDiff || 1 == countDiff);
}
}
int fulfillDiff = expectedFulfillCnt - promiseChecker.fFulfillCount;
REPORTER_ASSERT(reporter, fulfillDiff >= 0);
if (fulfillDiff != 0) {
if (expectedRequired) {
result = false;
REPORTER_ASSERT(reporter, expectedFulfillCnt == promiseChecker.fFulfillCount);
} else if (fulfillDiff > 1) {
result = false;
REPORTER_ASSERT(reporter, fulfillDiff <= 1);
}
}
int releaseDiff = expectedReleaseCnt - promiseChecker.fReleaseCount;
REPORTER_ASSERT(reporter, releaseDiff >= 0);
if (releaseDiff != 0) {
if (expectedRequired) {
result = false;
REPORTER_ASSERT(reporter, expectedReleaseCnt == promiseChecker.fReleaseCount);
} else if (releaseDiff > 1) {
result = false;
REPORTER_ASSERT(reporter, releaseDiff <= 1);
}
}
return result;
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(PromiseImageTest, reporter, ctxInfo) {
const int kWidth = 10;
const int kHeight = 10;
std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]);
GrContext* ctx = ctxInfo.grContext();
GrGpu* gpu = ctx->contextPriv().getGpu();
GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture(
pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true, GrMipMapped::kNo);
REPORTER_ASSERT(reporter, backendTex.isValid());
GrBackendFormat backendFormat = GrTest::CreateBackendFormatFromTexture(backendTex);
REPORTER_ASSERT(reporter, backendFormat.isValid());
PromiseTextureChecker promiseChecker(backendTex);
GrSurfaceOrigin texOrigin = kTopLeft_GrSurfaceOrigin;
sk_sp<SkImage> refImg(
SkImage_Gpu::MakePromiseTexture(ctx, backendFormat, kWidth, kHeight, GrMipMapped::kNo,
texOrigin, kRGBA_8888_SkColorType, kPremul_SkAlphaType,
nullptr,
PromiseTextureChecker::Fulfill,
PromiseTextureChecker::Release,
&promiseChecker));
SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight);
sk_sp<SkSurface> surface = SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info);
SkCanvas* canvas = surface->getCanvas();
int expectedFulfillCnt = 0;
int expectedReleaseCnt = 0;
canvas->drawImage(refImg, 0, 0);
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
true,
expectedFulfillCnt,
expectedReleaseCnt,
true,
reporter));
bool isVulkan = kVulkan_GrBackend == ctx->contextPriv().getBackend();
canvas->flush();
expectedFulfillCnt++;
expectedReleaseCnt++;
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
!isVulkan,
expectedFulfillCnt,
expectedReleaseCnt,
!isVulkan,
reporter));
gpu->testingOnly_flushGpuAndSync();
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
true,
expectedFulfillCnt,
expectedReleaseCnt,
true,
reporter));
canvas->drawImage(refImg, 0, 0);
canvas->drawImage(refImg, 0, 0);
canvas->flush();
expectedFulfillCnt++;
expectedReleaseCnt++;
gpu->testingOnly_flushGpuAndSync();
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
true,
expectedFulfillCnt,
expectedReleaseCnt,
true,
reporter));
// Now test code path on Vulkan where we released the texture, but the GPU isn't done with
// resource yet and we do another draw. We should only call fulfill on the first draw and
// use the cached GrBackendTexture on the second. Release should only be called after the second
// draw is finished.
canvas->drawImage(refImg, 0, 0);
canvas->flush();
expectedFulfillCnt++;
expectedReleaseCnt++;
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
!isVulkan,
expectedFulfillCnt,
expectedReleaseCnt,
!isVulkan,
reporter));
canvas->drawImage(refImg, 0, 0);
canvas->flush();
expectedFulfillCnt++;
gpu->testingOnly_flushGpuAndSync();
expectedReleaseCnt++;
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
true,
expectedFulfillCnt,
expectedReleaseCnt,
!isVulkan,
reporter));
expectedFulfillCnt = promiseChecker.fFulfillCount;
expectedReleaseCnt = promiseChecker.fReleaseCount;
refImg.reset();
REPORTER_ASSERT(reporter, check_fulfill_and_release_cnts(promiseChecker,
true,
expectedFulfillCnt,
expectedReleaseCnt,
true,
reporter));
gpu->deleteTestingOnlyBackendTexture(&backendTex);
}
#endif
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