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skia2/tests/ProxyTest.cpp
Chris Dalton 6ce447a4ec Eliminate mixed samples as an FBO type or AA type 
From now on, sample counts always refer to the number of actual color
samples, and render targets don't have separate color and stencil
sample counts.

If mixed samples support is available when making a
"GrAAType::kCoverage" draw, then an op may attach and use a mixed
sampled stencil buffer internally. But this will all be invisible to
the client.

After this CL, we temporarily won't have a mode to use nvpr with mixed
samples. That will soon be fixed by a follow-on CL that enables nvpr
with mixed samples in the normal "gl" and "gles" configs.

Bug: skia:
Change-Id: I1cb8277f0d2d0d371f24bb9f39cd473ed5c5c83b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221878
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2019-06-24 04:08:45 +00:00

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/*
* 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/GrBackendSurface.h"
#include "include/gpu/GrTexture.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrRenderTargetPriv.h"
#include "src/gpu/GrRenderTargetProxy.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrSurfacePriv.h"
#include "src/gpu/GrSurfaceProxyPriv.h"
#include "src/gpu/GrTextureProxy.h"
#include "src/gpu/SkGr.h"
#include "src/gpu/gl/GrGLDefines.h"
// Check that the surface proxy's member vars are set as expected
static void check_surface(skiatest::Reporter* reporter,
GrSurfaceProxy* proxy,
GrSurfaceOrigin origin,
int width, int height,
GrPixelConfig config,
SkBudgeted budgeted) {
REPORTER_ASSERT(reporter, proxy->origin() == origin);
REPORTER_ASSERT(reporter, proxy->width() == width);
REPORTER_ASSERT(reporter, proxy->height() == height);
REPORTER_ASSERT(reporter, proxy->config() == config);
REPORTER_ASSERT(reporter, !proxy->uniqueID().isInvalid());
REPORTER_ASSERT(reporter, proxy->isBudgeted() == budgeted);
}
static void check_rendertarget(skiatest::Reporter* reporter,
const GrCaps& caps,
GrResourceProvider* provider,
GrRenderTargetProxy* rtProxy,
int numSamples,
SkBackingFit fit,
int expectedMaxWindowRects) {
REPORTER_ASSERT(reporter, rtProxy->maxWindowRectangles(caps) == expectedMaxWindowRects);
REPORTER_ASSERT(reporter, rtProxy->numSamples() == numSamples);
GrSurfaceProxy::UniqueID idBefore = rtProxy->uniqueID();
bool preinstantiated = rtProxy->isInstantiated();
REPORTER_ASSERT(reporter, rtProxy->instantiate(provider));
GrRenderTarget* rt = rtProxy->peekRenderTarget();
REPORTER_ASSERT(reporter, rtProxy->uniqueID() == idBefore);
// Deferred resources should always have a different ID from their instantiated rendertarget
if (preinstantiated) {
REPORTER_ASSERT(reporter, rtProxy->uniqueID().asUInt() == rt->uniqueID().asUInt());
} else {
REPORTER_ASSERT(reporter, rtProxy->uniqueID().asUInt() != rt->uniqueID().asUInt());
}
if (SkBackingFit::kExact == fit) {
REPORTER_ASSERT(reporter, rt->width() == rtProxy->width());
REPORTER_ASSERT(reporter, rt->height() == rtProxy->height());
} else {
REPORTER_ASSERT(reporter, rt->width() >= rtProxy->width());
REPORTER_ASSERT(reporter, rt->height() >= rtProxy->height());
}
REPORTER_ASSERT(reporter, rt->config() == rtProxy->config());
REPORTER_ASSERT(reporter, rt->numSamples() == rtProxy->numSamples());
REPORTER_ASSERT(reporter, rt->surfacePriv().flags() == rtProxy->testingOnly_getFlags());
}
static void check_texture(skiatest::Reporter* reporter,
GrResourceProvider* provider,
GrTextureProxy* texProxy,
SkBackingFit fit) {
GrSurfaceProxy::UniqueID idBefore = texProxy->uniqueID();
bool preinstantiated = texProxy->isInstantiated();
REPORTER_ASSERT(reporter, texProxy->instantiate(provider));
GrTexture* tex = texProxy->peekTexture();
REPORTER_ASSERT(reporter, texProxy->uniqueID() == idBefore);
// Deferred resources should always have a different ID from their instantiated texture
if (preinstantiated) {
REPORTER_ASSERT(reporter, texProxy->uniqueID().asUInt() == tex->uniqueID().asUInt());
} else {
REPORTER_ASSERT(reporter, texProxy->uniqueID().asUInt() != tex->uniqueID().asUInt());
}
if (SkBackingFit::kExact == fit) {
REPORTER_ASSERT(reporter, tex->width() == texProxy->width());
REPORTER_ASSERT(reporter, tex->height() == texProxy->height());
} else {
REPORTER_ASSERT(reporter, tex->width() >= texProxy->width());
REPORTER_ASSERT(reporter, tex->height() >= texProxy->height());
}
REPORTER_ASSERT(reporter, tex->config() == texProxy->config());
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(DeferredProxyTest, reporter, ctxInfo) {
GrProxyProvider* proxyProvider = ctxInfo.grContext()->priv().proxyProvider();
GrResourceProvider* resourceProvider = ctxInfo.grContext()->priv().resourceProvider();
const GrCaps& caps = *ctxInfo.grContext()->priv().caps();
int attempt = 0; // useful for debugging
for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
for (auto widthHeight : { 100, 128, 1048576 }) {
for (auto config : { kAlpha_8_GrPixelConfig, kRGB_565_GrPixelConfig,
kRGBA_8888_GrPixelConfig, kRGBA_1010102_GrPixelConfig,
kRGB_ETC1_GrPixelConfig }) {
for (auto fit : { SkBackingFit::kExact, SkBackingFit::kApprox }) {
for (auto budgeted : { SkBudgeted::kYes, SkBudgeted::kNo }) {
for (auto numSamples : {1, 4, 16, 128}) {
// We don't have recycling support for compressed textures
if (GrPixelConfigIsCompressed(config) && SkBackingFit::kApprox == fit) {
continue;
}
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = widthHeight;
desc.fHeight = widthHeight;
desc.fConfig = config;
desc.fSampleCnt = numSamples;
GrSRGBEncoded srgbEncoded;
GrColorType colorType =
GrPixelConfigToColorTypeAndEncoding(config, &srgbEncoded);
const GrBackendFormat format =
caps.getBackendFormatFromGrColorType(colorType, srgbEncoded);
if (!format.isValid()) {
continue;
}
{
sk_sp<GrTexture> tex;
if (SkBackingFit::kApprox == fit) {
tex = resourceProvider->createApproxTexture(
desc, GrResourceProvider::Flags::kNoPendingIO);
} else {
tex = resourceProvider->createTexture(
desc, budgeted, GrResourceProvider::Flags::kNoPendingIO);
}
sk_sp<GrTextureProxy> proxy =
proxyProvider->createProxy(format, desc, origin, fit,
budgeted);
REPORTER_ASSERT(reporter, SkToBool(tex) == SkToBool(proxy));
if (proxy) {
REPORTER_ASSERT(reporter, proxy->asRenderTargetProxy());
// This forces the proxy to compute and cache its
// pre-instantiation size guess. Later, when it is actually
// instantiated, it checks that the instantiated size is <= to
// the pre-computation. If the proxy never computed its
// pre-instantiation size then the check is skipped.
proxy->gpuMemorySize();
check_surface(reporter, proxy.get(), origin,
widthHeight, widthHeight, config, budgeted);
int supportedSamples =
caps.getRenderTargetSampleCount(numSamples, config);
check_rendertarget(reporter, caps, resourceProvider,
proxy->asRenderTargetProxy(),
supportedSamples,
fit, caps.maxWindowRectangles());
}
}
desc.fFlags = kNone_GrSurfaceFlags;
{
sk_sp<GrTexture> tex;
if (SkBackingFit::kApprox == fit) {
tex = resourceProvider->createApproxTexture(
desc, GrResourceProvider::Flags::kNoPendingIO);
} else {
tex = resourceProvider->createTexture(
desc, budgeted, GrResourceProvider::Flags::kNoPendingIO);
}
sk_sp<GrTextureProxy> proxy(
proxyProvider->createProxy(format, desc, origin, fit,
budgeted));
REPORTER_ASSERT(reporter, SkToBool(tex) == SkToBool(proxy));
if (proxy) {
// This forces the proxy to compute and cache its
// pre-instantiation size guess. Later, when it is actually
// instantiated, it checks that the instantiated size is <= to
// the pre-computation. If the proxy never computed its
// pre-instantiation size then the check is skipped.
proxy->gpuMemorySize();
check_surface(reporter, proxy.get(), origin,
widthHeight, widthHeight, config, budgeted);
check_texture(reporter, resourceProvider,
proxy->asTextureProxy(), fit);
}
}
attempt++;
}
}
}
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(WrappedProxyTest, reporter, ctxInfo) {
GrProxyProvider* proxyProvider = ctxInfo.grContext()->priv().proxyProvider();
GrContext* context = ctxInfo.grContext();
GrResourceProvider* resourceProvider = context->priv().resourceProvider();
GrGpu* gpu = context->priv().getGpu();
const GrCaps& caps = *context->priv().caps();
static const int kWidthHeight = 100;
for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
for (auto colorType : { kAlpha_8_SkColorType, kRGBA_8888_SkColorType,
kRGBA_1010102_SkColorType }) {
// External on-screen render target.
// Tests wrapBackendRenderTarget with a GrBackendRenderTarget
// Our test-only function that creates a backend render target doesn't currently support
// sample counts :(.
if (ctxInfo.grContext()->colorTypeSupportedAsSurface(colorType)) {
GrBackendRenderTarget backendRT = gpu->createTestingOnlyBackendRenderTarget(
kWidthHeight, kWidthHeight, SkColorTypeToGrColorType(colorType));
sk_sp<GrSurfaceProxy> sProxy(
proxyProvider->wrapBackendRenderTarget(backendRT, origin, nullptr,
nullptr));
check_surface(reporter, sProxy.get(), origin, kWidthHeight, kWidthHeight,
backendRT.pixelConfig(), SkBudgeted::kNo);
static constexpr int kExpectedNumSamples = 1;
check_rendertarget(reporter, caps, resourceProvider, sProxy->asRenderTargetProxy(),
kExpectedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles());
gpu->deleteTestingOnlyBackendRenderTarget(backendRT);
}
for (auto numSamples : {1, 4}) {
GrPixelConfig config = SkColorType2GrPixelConfig(colorType);
SkASSERT(kUnknown_GrPixelConfig != config);
int supportedNumSamples = caps.getRenderTargetSampleCount(numSamples, config);
if (!supportedNumSamples) {
continue;
}
// Test wrapping FBO 0 (with made up properties). This tests sample count and the
// special case where FBO 0 doesn't support window rectangles.
if (GrBackendApi::kOpenGL == ctxInfo.backend()) {
GrBackendFormat beFormat = caps.getBackendFormatFromColorType(colorType);
GrGLFramebufferInfo fboInfo;
fboInfo.fFBOID = 0;
SkASSERT(beFormat.getGLFormat());
fboInfo.fFormat = *beFormat.getGLFormat();
static constexpr int kStencilBits = 8;
GrBackendRenderTarget backendRT(kWidthHeight, kWidthHeight, numSamples,
kStencilBits, fboInfo);
backendRT.setPixelConfig(config);
sk_sp<GrSurfaceProxy> sProxy(
proxyProvider->wrapBackendRenderTarget(backendRT, origin, nullptr,
nullptr));
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendRT.pixelConfig(), SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact, 0);
}
// Tests wrapBackendRenderTarget with a GrBackendTexture
{
GrBackendTexture backendTex =
context->createBackendTexture(kWidthHeight, kWidthHeight,
colorType,
SkColors::kTransparent,
GrMipMapped::kNo,
GrRenderable::kYes);
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapBackendTextureAsRenderTarget(
backendTex, origin, supportedNumSamples);
if (!sProxy) {
context->deleteBackendTexture(backendTex);
continue; // This can fail on Mesa
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendTex.pixelConfig(), SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles());
context->deleteBackendTexture(backendTex);
}
// Tests wrapBackendTexture that is only renderable
{
GrBackendTexture backendTex =
context->createBackendTexture(kWidthHeight, kWidthHeight,
colorType,
SkColors::kTransparent,
GrMipMapped::kNo,
GrRenderable::kYes);
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapRenderableBackendTexture(
backendTex, origin, supportedNumSamples, kBorrow_GrWrapOwnership,
GrWrapCacheable::kNo, nullptr, nullptr);
if (!sProxy) {
context->deleteBackendTexture(backendTex);
continue; // This can fail on Mesa
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendTex.pixelConfig(), SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles());
context->deleteBackendTexture(backendTex);
}
// Tests wrapBackendTexture that is only textureable
{
// Internal offscreen texture
GrBackendTexture backendTex =
context->createBackendTexture(kWidthHeight, kWidthHeight,
colorType,
SkColors::kTransparent,
GrMipMapped::kNo,
GrRenderable::kNo);
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapBackendTexture(
backendTex, origin, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo,
kRead_GrIOType);
if (!sProxy) {
context->deleteBackendTexture(backendTex);
continue;
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight,
backendTex.pixelConfig(), SkBudgeted::kNo);
check_texture(reporter, resourceProvider, sProxy->asTextureProxy(),
SkBackingFit::kExact);
context->deleteBackendTexture(backendTex);
}
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ZeroSizedProxyTest, reporter, ctxInfo) {
GrProxyProvider* provider = ctxInfo.grContext()->priv().proxyProvider();
for (auto flags : { kRenderTarget_GrSurfaceFlag, kNone_GrSurfaceFlags }) {
for (auto fit : { SkBackingFit::kExact, SkBackingFit::kApprox }) {
for (int width : { 0, 100 }) {
for (int height : { 0, 100}) {
if (width && height) {
continue; // not zero-sized
}
GrSurfaceDesc desc;
desc.fFlags = flags;
desc.fWidth = width;
desc.fHeight = height;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fSampleCnt = 1;
const GrBackendFormat format =
ctxInfo.grContext()->priv().caps()->getBackendFormatFromColorType(
kRGBA_8888_SkColorType);
sk_sp<GrTextureProxy> proxy = provider->createProxy(
format, desc, kBottomLeft_GrSurfaceOrigin, fit, SkBudgeted::kNo);
REPORTER_ASSERT(reporter, !proxy);
}
}
}
}
}
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