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skia2/tests/ProxyTest.cpp
Brian Salomon bdecacfbe4 Revert "Revert "Revert "Revert "Revert "Revert "Redefine the meaning of sample counts in GPU backend."""""" 
This reverts commit 3a2cc2c2ec.

Fix code with samplecnt=0 that slipped in between trybots/CQ and landing of previous version

Change-Id: Iab19f2e8d1e9901601c8c76244d7a88c5d707fab
Reviewed-on: https://skia-review.googlesource.com/103181
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2018-02-03 01:59:59 +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 "Test.h"
#if SK_SUPPORT_GPU
#include "GrBackendSurface.h"
#include "GrContextPriv.h"
#include "GrProxyProvider.h"
#include "GrRenderTargetPriv.h"
#include "GrRenderTargetProxy.h"
#include "GrResourceProvider.h"
#include "GrSurfaceProxyPriv.h"
#include "GrTexture.h"
#include "GrTextureProxy.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,
bool wasWrapped) {
REPORTER_ASSERT(reporter, rtProxy->maxWindowRectangles(caps) == expectedMaxWindowRects);
REPORTER_ASSERT(reporter, rtProxy->numStencilSamples() == numSamples);
GrSurfaceProxy::UniqueID idBefore = rtProxy->uniqueID();
REPORTER_ASSERT(reporter, rtProxy->instantiate(provider));
GrRenderTarget* rt = rtProxy->priv().peekRenderTarget();
REPORTER_ASSERT(reporter, rtProxy->uniqueID() == idBefore);
if (wasWrapped) {
// Wrapped resources share their uniqueID with the wrapping RenderTargetProxy
REPORTER_ASSERT(reporter, rtProxy->uniqueID().asUInt() == rt->uniqueID().asUInt());
} else {
// Deferred resources should always have a different ID from their instantiated rendertarget
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->fsaaType() == rtProxy->fsaaType());
REPORTER_ASSERT(reporter, rt->numColorSamples() == rtProxy->numColorSamples());
REPORTER_ASSERT(reporter, rt->numStencilSamples() == rtProxy->numStencilSamples());
REPORTER_ASSERT(reporter, rt->renderTargetPriv().flags() == rtProxy->testingOnly_getFlags());
}
static void check_texture(skiatest::Reporter* reporter,
GrResourceProvider* provider,
GrTextureProxy* texProxy,
SkBackingFit fit,
bool wasWrapped) {
GrSurfaceProxy::UniqueID idBefore = texProxy->uniqueID();
REPORTER_ASSERT(reporter, texProxy->instantiate(provider));
GrTexture* tex = texProxy->priv().peekTexture();
REPORTER_ASSERT(reporter, texProxy->uniqueID() == idBefore);
if (wasWrapped) {
// Wrapped resources share their uniqueID with the wrapping TextureProxy
REPORTER_ASSERT(reporter, texProxy->uniqueID().asUInt() == tex->uniqueID().asUInt());
} else {
// Deferred resources should always have a different ID from their instantiated texture
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()->contextPriv().proxyProvider();
GrResourceProvider* resourceProvider = ctxInfo.grContext()->contextPriv().resourceProvider();
const GrCaps& caps = *ctxInfo.grContext()->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 }) {
for (auto fit : { SkBackingFit::kExact, SkBackingFit::kApprox }) {
for (auto budgeted : { SkBudgeted::kYes, SkBudgeted::kNo }) {
for (auto numSamples : {1, 4, 16, 128}) {
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fOrigin = origin;
desc.fWidth = widthHeight;
desc.fHeight = widthHeight;
desc.fConfig = config;
desc.fSampleCnt = numSamples;
{
sk_sp<GrTexture> tex;
if (SkBackingFit::kApprox == fit) {
tex = resourceProvider->createApproxTexture(desc, 0);
} else {
tex = resourceProvider->createTexture(desc, budgeted);
}
sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(
desc, 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(), false);
}
}
desc.fFlags = kNone_GrSurfaceFlags;
{
sk_sp<GrTexture> tex;
if (SkBackingFit::kApprox == fit) {
tex = resourceProvider->createApproxTexture(desc, 0);
} else {
tex = resourceProvider->createTexture(desc, budgeted);
}
sk_sp<GrTextureProxy> proxy(proxyProvider->createProxy(
desc, 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, false);
}
}
attempt++;
}
}
}
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(WrappedProxyTest, reporter, ctxInfo) {
GrProxyProvider* proxyProvider = ctxInfo.grContext()->contextPriv().proxyProvider();
GrResourceProvider* resourceProvider = ctxInfo.grContext()->contextPriv().resourceProvider();
const GrCaps& caps = *ctxInfo.grContext()->caps();
static const int kWidthHeight = 100;
for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
for (auto config : { kAlpha_8_GrPixelConfig, kRGBA_8888_GrPixelConfig }) {
for (auto budgeted : { SkBudgeted::kYes, SkBudgeted::kNo }) {
for (auto numSamples : {1, 4}) {
int supportedNumSamples = caps.getRenderTargetSampleCount(numSamples, config);
GrSurfaceDesc desc;
desc.fOrigin = origin;
desc.fWidth = kWidthHeight;
desc.fHeight = kWidthHeight;
desc.fConfig = config;
desc.fSampleCnt = supportedNumSamples;
// External on-screen render target.
if (supportedNumSamples && kOpenGL_GrBackend == ctxInfo.backend()) {
GrGLFramebufferInfo fboInfo;
fboInfo.fFBOID = 0;
GrBackendRenderTarget backendRT(kWidthHeight, kWidthHeight, numSamples, 8,
config, fboInfo);
sk_sp<GrSurfaceProxy> sProxy(proxyProvider->createWrappedRenderTargetProxy(
backendRT, origin));
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight, config, SkBudgeted::kNo);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact, 0, true);
}
if (supportedNumSamples) {
// Internal offscreen render target.
desc.fFlags = kRenderTarget_GrSurfaceFlag;
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->createInstantiatedProxy(
desc, SkBackingFit::kExact, budgeted);
if (!sProxy) {
continue; // This can fail on Mesa
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight, config, budgeted);
check_rendertarget(reporter, caps, resourceProvider,
sProxy->asRenderTargetProxy(),
supportedNumSamples, SkBackingFit::kExact,
caps.maxWindowRectangles(), true);
} else {
// Internal offscreen texture
SkASSERT(kNone_GrSurfaceFlags == desc.fFlags );
desc.fSampleCnt = 1;
sk_sp<GrSurfaceProxy> sProxy = proxyProvider->createInstantiatedProxy(
desc, SkBackingFit::kExact, budgeted);
if (!sProxy) {
continue;
}
check_surface(reporter, sProxy.get(), origin,
kWidthHeight, kWidthHeight, config, budgeted);
check_texture(reporter, resourceProvider, sProxy->asTextureProxy(),
SkBackingFit::kExact, true);
}
}
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ZeroSizedProxyTest, reporter, ctxInfo) {
GrProxyProvider* provider = ctxInfo.grContext()->contextPriv().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.fOrigin = kBottomLeft_GrSurfaceOrigin;
desc.fWidth = width;
desc.fHeight = height;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fSampleCnt = 1;
sk_sp<GrTextureProxy> proxy = provider->createProxy(desc, fit, SkBudgeted::kNo);
REPORTER_ASSERT(reporter, !proxy);
}
}
}
}
}
#endif
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