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skia2/tests/GrSurfaceTest.cpp
John Stiles b7f2215bbb Fix cases of variable shadowing in test code. 
If we manage to fix all the existing cases of variable shadowing, we
could enable -Wshadow.

Change-Id: I571931e01b0b95d85a7b566fc785ac219e8e731f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/438697
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Tyler Denniston <tdenniston@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
2021-08-11 20:38:09 +00:00

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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <set>
#include "include/core/SkSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/core/SkCanvasPriv.h"
#include "src/core/SkCompressedDataUtils.h"
#include "src/gpu/GrBackendUtils.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrImageInfo.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrRenderTarget.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrTexture.h"
#include "src/gpu/SkGr.h"
#include "src/gpu/SurfaceContext.h"
#include "tests/Test.h"
#include "tests/TestUtils.h"
#include "tools/gpu/BackendTextureImageFactory.h"
#include "tools/gpu/ManagedBackendTexture.h"
// Tests that GrSurface::asTexture(), GrSurface::asRenderTarget(), and static upcasting of texture
// and render targets to GrSurface all work as expected.
DEF_GPUTEST_FOR_MOCK_CONTEXT(GrSurface, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
auto resourceProvider = context->priv().resourceProvider();
static constexpr SkISize kDesc = {256, 256};
auto format = context->priv().caps()->getDefaultBackendFormat(GrColorType::kRGBA_8888,
GrRenderable::kYes);
sk_sp<GrSurface> texRT1 =
resourceProvider->createTexture(kDesc, format, GrRenderable::kYes, 1, GrMipmapped::kNo,
SkBudgeted::kNo, GrProtected::kNo);
REPORTER_ASSERT(reporter, texRT1.get() == texRT1->asRenderTarget());
REPORTER_ASSERT(reporter, texRT1.get() == texRT1->asTexture());
REPORTER_ASSERT(reporter, static_cast<GrSurface*>(texRT1->asRenderTarget()) ==
texRT1->asTexture());
REPORTER_ASSERT(reporter, texRT1->asRenderTarget() ==
static_cast<GrSurface*>(texRT1->asTexture()));
REPORTER_ASSERT(reporter, static_cast<GrSurface*>(texRT1->asRenderTarget()) ==
static_cast<GrSurface*>(texRT1->asTexture()));
sk_sp<GrTexture> tex1 =
resourceProvider->createTexture(kDesc, format, GrRenderable::kNo, 1, GrMipmapped::kNo,
SkBudgeted::kNo, GrProtected::kNo);
REPORTER_ASSERT(reporter, nullptr == tex1->asRenderTarget());
REPORTER_ASSERT(reporter, tex1.get() == tex1->asTexture());
REPORTER_ASSERT(reporter, static_cast<GrSurface*>(tex1.get()) == tex1->asTexture());
GrBackendTexture backendTex = context->createBackendTexture(
256, 256, kRGBA_8888_SkColorType,
SkColors::kTransparent, GrMipmapped::kNo, GrRenderable::kNo, GrProtected::kNo);
sk_sp<GrSurface> texRT2 = resourceProvider->wrapRenderableBackendTexture(
backendTex, 1, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo);
REPORTER_ASSERT(reporter, texRT2.get() == texRT2->asRenderTarget());
REPORTER_ASSERT(reporter, texRT2.get() == texRT2->asTexture());
REPORTER_ASSERT(reporter, static_cast<GrSurface*>(texRT2->asRenderTarget()) ==
texRT2->asTexture());
REPORTER_ASSERT(reporter, texRT2->asRenderTarget() ==
static_cast<GrSurface*>(texRT2->asTexture()));
REPORTER_ASSERT(reporter, static_cast<GrSurface*>(texRT2->asRenderTarget()) ==
static_cast<GrSurface*>(texRT2->asTexture()));
context->deleteBackendTexture(backendTex);
}
// This test checks that the isFormatTexturable and isFormatRenderable are
// consistent with createTexture's result.
DEF_GPUTEST_FOR_ALL_CONTEXTS(GrSurfaceRenderability, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
GrProxyProvider* proxyProvider = context->priv().proxyProvider();
GrResourceProvider* resourceProvider = context->priv().resourceProvider();
const GrCaps* caps = context->priv().caps();
// TODO: Should only need format here but need to determine compression type from format
// without config.
auto createTexture = [](SkISize dimensions, GrColorType colorType,
const GrBackendFormat& format, GrRenderable renderable,
GrResourceProvider* rp) -> sk_sp<GrTexture> {
SkImage::CompressionType compression = GrBackendFormatToCompressionType(format);
if (compression != SkImage::CompressionType::kNone) {
if (renderable == GrRenderable::kYes) {
return nullptr;
}
auto size = SkCompressedDataSize(compression, dimensions, nullptr, false);
auto data = SkData::MakeUninitialized(size);
SkColor4f color = {0, 0, 0, 0};
GrFillInCompressedData(compression, dimensions, GrMipmapped::kNo,
(char*)data->writable_data(), color);
return rp->createCompressedTexture(dimensions, format, SkBudgeted::kNo,
GrMipmapped::kNo, GrProtected::kNo, data.get());
} else {
return rp->createTexture(dimensions, format, renderable, 1, GrMipmapped::kNo,
SkBudgeted::kNo, GrProtected::kNo);
}
};
static constexpr SkISize kDims = {64, 64};
const std::vector<GrCaps::TestFormatColorTypeCombination>& combos =
caps->getTestingCombinations();
for (const GrCaps::TestFormatColorTypeCombination& combo : combos) {
SkASSERT(combo.fColorType != GrColorType::kUnknown);
SkASSERT(combo.fFormat.isValid());
// Right now Vulkan has two backend formats that support ABGR_4444 (R4G4B4A4 and B4G4R4A4).
// Until we can create textures directly from the backend format this yields some
// ambiguity in what is actually supported and which textures can be created.
if (ctxInfo.backend() == kVulkan_GrBackend && combo.fColorType == GrColorType::kABGR_4444) {
continue;
}
// Check if 'isFormatTexturable' agrees with 'createTexture' and that the mipmap
// support check is working
{
bool isCompressed = caps->isFormatCompressed(combo.fFormat);
bool isTexturable = caps->isFormatTexturable(combo.fFormat);
sk_sp<GrSurface> tex = createTexture(kDims, combo.fColorType, combo.fFormat,
GrRenderable::kNo, resourceProvider);
REPORTER_ASSERT(reporter, SkToBool(tex) == isTexturable,
"ct:%s format:%s, tex:%d, isTexturable:%d",
GrColorTypeToStr(combo.fColorType), combo.fFormat.toStr().c_str(),
SkToBool(tex), isTexturable);
// Check that the lack of mipmap support blocks the creation of mipmapped
// proxies
bool expectedMipMapability = isTexturable && caps->mipmapSupport() && !isCompressed;
sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(
combo.fFormat, kDims, GrRenderable::kNo, 1, GrMipmapped::kYes,
SkBackingFit::kExact, SkBudgeted::kNo, GrProtected::kNo);
REPORTER_ASSERT(reporter, SkToBool(proxy.get()) == expectedMipMapability,
"ct:%s format:%s, tex:%d, expectedMipMapability:%d",
GrColorTypeToStr(combo.fColorType), combo.fFormat.toStr().c_str(),
SkToBool(proxy.get()), expectedMipMapability);
}
// Check if 'isFormatAsColorTypeRenderable' agrees with 'createTexture' (w/o MSAA)
{
bool isRenderable = caps->isFormatRenderable(combo.fFormat, 1);
sk_sp<GrSurface> tex = resourceProvider->createTexture(
kDims, combo.fFormat, GrRenderable::kYes, 1, GrMipmapped::kNo, SkBudgeted::kNo,
GrProtected::kNo);
REPORTER_ASSERT(reporter, SkToBool(tex) == isRenderable,
"ct:%s format:%s, tex:%d, isRenderable:%d",
GrColorTypeToStr(combo.fColorType), combo.fFormat.toStr().c_str(),
SkToBool(tex), isRenderable);
}
// Check if 'isFormatAsColorTypeRenderable' agrees with 'createTexture' w/ MSAA
{
bool isRenderable = caps->isFormatRenderable(combo.fFormat, 2);
sk_sp<GrSurface> tex = resourceProvider->createTexture(
kDims, combo.fFormat, GrRenderable::kYes, 2, GrMipmapped::kNo, SkBudgeted::kNo,
GrProtected::kNo);
REPORTER_ASSERT(reporter, SkToBool(tex) == isRenderable,
"ct:%s format:%s, tex:%d, isRenderable:%d",
GrColorTypeToStr(combo.fColorType), combo.fFormat.toStr().c_str(),
SkToBool(tex), isRenderable);
}
}
}
#include "src/gpu/GrDrawingManager.h"
#include "src/gpu/GrSurfaceProxy.h"
// For each context, set it to always clear the textures and then run through all the
// supported formats checking that the textures are actually cleared
DEF_GPUTEST(InitialTextureClear, reporter, baseOptions) {
GrContextOptions options = baseOptions;
options.fClearAllTextures = true;
static constexpr int kSize = 100;
static constexpr SkColor kClearColor = 0xABABABAB;
const SkImageInfo imageInfo = SkImageInfo::Make(kSize, kSize, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
SkAutoPixmapStorage readback;
readback.alloc(imageInfo);
SkISize desc;
desc.fWidth = desc.fHeight = kSize;
for (int ct = 0; ct < sk_gpu_test::GrContextFactory::kContextTypeCnt; ++ct) {
sk_gpu_test::GrContextFactory factory(options);
auto contextType = static_cast<sk_gpu_test::GrContextFactory::ContextType>(ct);
if (!sk_gpu_test::GrContextFactory::IsRenderingContext(contextType)) {
continue;
}
auto dContext = factory.get(contextType);
if (!dContext) {
continue;
}
GrProxyProvider* proxyProvider = dContext->priv().proxyProvider();
const GrCaps* caps = dContext->priv().caps();
const std::vector<GrCaps::TestFormatColorTypeCombination>& combos =
caps->getTestingCombinations();
for (const GrCaps::TestFormatColorTypeCombination& combo : combos) {
SkASSERT(combo.fColorType != GrColorType::kUnknown);
SkASSERT(combo.fFormat.isValid());
if (!caps->isFormatTexturable(combo.fFormat)) {
continue;
}
auto checkColor = [reporter](const GrCaps::TestFormatColorTypeCombination& combo,
uint32_t readColor) {
// We expect that if there is no alpha in the src color type and we read it to a
// color type with alpha that we will get one for alpha rather than zero. We used to
// require this but the Intel Iris 6100 on Win 10 test bot doesn't put one in the
// alpha channel when reading back from GL_RG16 or GL_RG16F. So now we allow either.
uint32_t channels = GrColorTypeChannelFlags(combo.fColorType);
bool allowAlphaOne = !(channels & kAlpha_SkColorChannelFlag);
if (allowAlphaOne) {
if (readColor != 0x00000000 && readColor != 0xFF000000) {
ERRORF(reporter,
"Failed on ct %s format %s 0x%08x is not 0x00000000 or 0xFF000000",
GrColorTypeToStr(combo.fColorType), combo.fFormat.toStr().c_str(),
readColor);
return false;
}
} else {
if (readColor) {
ERRORF(reporter, "Failed on ct %s format %s 0x%08x != 0x00000000",
GrColorTypeToStr(combo.fColorType), combo.fFormat.toStr().c_str(),
readColor);
return false;
}
}
return true;
};
for (auto renderable : {GrRenderable::kNo, GrRenderable::kYes}) {
if (renderable == GrRenderable::kYes &&
!caps->isFormatAsColorTypeRenderable(combo.fColorType, combo.fFormat)) {
continue;
}
for (auto fit : {SkBackingFit::kApprox, SkBackingFit::kExact}) {
// Does directly allocating a texture clear it?
{
auto proxy = proxyProvider->testingOnly_createInstantiatedProxy(
{kSize, kSize}, combo.fFormat, renderable, 1, fit, SkBudgeted::kYes,
GrProtected::kNo);
if (proxy) {
GrSwizzle swizzle = caps->getReadSwizzle(combo.fFormat,
combo.fColorType);
GrSurfaceProxyView view(std::move(proxy), kTopLeft_GrSurfaceOrigin,
swizzle);
GrColorInfo info(combo.fColorType, kPremul_SkAlphaType, nullptr);
auto texCtx = dContext->priv().makeSC(std::move(view), info);
readback.erase(kClearColor);
if (texCtx->readPixels(dContext, readback, {0, 0})) {
for (int i = 0; i < kSize * kSize; ++i) {
if (!checkColor(combo, readback.addr32()[i])) {
break;
}
}
}
}
dContext->priv().getResourceCache()->purgeUnlockedResources();
}
// Try creating the texture as a deferred proxy.
{
GrImageInfo info(combo.fColorType,
GrColorTypeHasAlpha(combo.fColorType)
? kPremul_SkAlphaType
: kOpaque_SkAlphaType,
nullptr,
{desc.fHeight, desc.fHeight});
auto sc = skgpu::SurfaceContext::Make(dContext,
info,
combo.fFormat,
fit,
kTopLeft_GrSurfaceOrigin,
renderable);
if (!sc) {
continue;
}
readback.erase(kClearColor);
if (sc->readPixels(dContext, readback, {0, 0})) {
for (int i = 0; i < kSize * kSize; ++i) {
if (!checkColor(combo, readback.addr32()[i])) {
break;
}
}
}
dContext->priv().getResourceCache()->purgeUnlockedResources();
}
}
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadOnlyTexture, reporter, context_info) {
auto fillPixels = [](SkPixmap* p, const std::function<uint32_t(int x, int y)>& f) {
for (int y = 0; y < p->height(); ++y) {
for (int x = 0; x < p->width(); ++x) {
*p->writable_addr32(x, y) = f(x, y);
}
}
};
auto comparePixels = [](const SkPixmap& p1, const SkPixmap& p2, skiatest::Reporter* reporter) {
SkASSERT(p1.info() == p2.info());
for (int y = 0; y < p1.height(); ++y) {
for (int x = 0; x < p1.width(); ++x) {
REPORTER_ASSERT(reporter, p1.getColor(x, y) == p2.getColor(x, y));
if (p1.getColor(x, y) != p2.getColor(x, y)) {
return;
}
}
}
};
static constexpr int kSize = 100;
SkImageInfo ii = SkImageInfo::Make(kSize, kSize, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
SkAutoPixmapStorage srcPixmap;
srcPixmap.alloc(ii);
fillPixels(&srcPixmap,
[](int x, int y) {
return (0xFFU << 24) | (x << 16) | (y << 8) | uint8_t((x * y) & 0xFF);
});
auto dContext = context_info.directContext();
GrProxyProvider* proxyProvider = dContext->priv().proxyProvider();
// We test both kRW in addition to kRead mostly to ensure that the calls are structured such
// that they'd succeed if the texture wasn't kRead. We want to be sure we're failing with
// kRead for the right reason.
for (auto ioType : {kRead_GrIOType, kRW_GrIOType}) {
auto mbet = sk_gpu_test::ManagedBackendTexture::MakeWithData(
dContext, srcPixmap, kTopLeft_GrSurfaceOrigin, GrRenderable::kNo, GrProtected::kNo);
if (!mbet) {
ERRORF(reporter, "Could not make texture.");
return;
}
auto proxy = proxyProvider->wrapBackendTexture(mbet->texture(), kBorrow_GrWrapOwnership,
GrWrapCacheable::kNo, ioType,
mbet->refCountedCallback());
GrSwizzle swizzle = dContext->priv().caps()->getReadSwizzle(proxy->backendFormat(),
GrColorType::kRGBA_8888);
GrSurfaceProxyView view(proxy, kTopLeft_GrSurfaceOrigin, swizzle);
auto surfContext = dContext->priv().makeSC(std::move(view), ii.colorInfo());
// Read pixels should work with a read-only texture.
{
SkAutoPixmapStorage read;
read.alloc(srcPixmap.info());
auto readResult = surfContext->readPixels(dContext, read, {0, 0});
REPORTER_ASSERT(reporter, readResult);
if (readResult) {
comparePixels(srcPixmap, read, reporter);
}
}
// Write pixels should not work with a read-only texture.
SkAutoPixmapStorage write;
write.alloc(srcPixmap.info());
fillPixels(&write, [&srcPixmap](int x, int y) { return ~*srcPixmap.addr32(); });
auto writeResult = surfContext->writePixels(dContext, write, {0, 0});
REPORTER_ASSERT(reporter, writeResult == (ioType == kRW_GrIOType));
// Try the low level write.
dContext->flushAndSubmit();
auto gpuWriteResult = dContext->priv().getGpu()->writePixels(
proxy->peekTexture(),
SkIRect::MakeWH(kSize, kSize),
GrColorType::kRGBA_8888,
GrColorType::kRGBA_8888,
write.addr32(),
kSize*GrColorTypeBytesPerPixel(GrColorType::kRGBA_8888));
REPORTER_ASSERT(reporter, gpuWriteResult == (ioType == kRW_GrIOType));
SkBitmap copySrcBitmap;
copySrcBitmap.installPixels(write);
copySrcBitmap.setImmutable();
auto copySrc = std::get<0>(GrMakeUncachedBitmapProxyView(dContext, copySrcBitmap));
REPORTER_ASSERT(reporter, copySrc);
auto copyResult = surfContext->testCopy(copySrc.refProxy());
REPORTER_ASSERT(reporter, copyResult == (ioType == kRW_GrIOType));
// Try the low level copy.
dContext->flushAndSubmit();
auto gpuCopyResult = dContext->priv().getGpu()->copySurface(
proxy->peekSurface(), copySrc.proxy()->peekSurface(), SkIRect::MakeWH(kSize, kSize),
{0, 0});
REPORTER_ASSERT(reporter, gpuCopyResult == (ioType == kRW_GrIOType));
// Mip regen should not work with a read only texture.
if (dContext->priv().caps()->mipmapSupport()) {
mbet = sk_gpu_test::ManagedBackendTexture::MakeWithoutData(dContext,
kSize,
kSize,
kRGBA_8888_SkColorType,
GrMipmapped::kYes,
GrRenderable::kNo,
GrProtected::kNo);
proxy = proxyProvider->wrapBackendTexture(mbet->texture(), kBorrow_GrWrapOwnership,
GrWrapCacheable::kNo, ioType,
mbet->refCountedCallback());
dContext->flushAndSubmit();
proxy->peekTexture()->markMipmapsDirty(); // avoids assert in GrGpu.
auto regenResult =
dContext->priv().getGpu()->regenerateMipMapLevels(proxy->peekTexture());
REPORTER_ASSERT(reporter, regenResult == (ioType == kRW_GrIOType));
}
}
}
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