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skia2/tests/ResourceAllocatorTest.cpp
Robert Phillips eafd48af63 Add overbudget handling to GrResourceAllocator 
Change-Id: I5536c908310e907c77b5d55441a0edac6a74bf0e
Reviewed-on: https://skia-review.googlesource.com/71182
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
2017-11-16 16:35:57 +00:00

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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// Include here to ensure SK_SUPPORT_GPU is set correctly before it is examined.
#include "SkTypes.h"
#if SK_SUPPORT_GPU
#ifndef SK_DISABLE_DEFERRED_PROXIES
#include "Test.h"
#include "GrContextPriv.h"
#include "GrGpu.h"
#include "GrResourceAllocator.h"
#include "GrResourceProvider.h"
#include "GrSurfaceProxyPriv.h"
#include "GrTest.h"
#include "GrTexture.h"
#include "GrTextureProxy.h"
struct ProxyParams {
int fSize;
bool fIsRT;
GrPixelConfig fConfig;
SkBackingFit fFit;
int fSampleCnt;
GrSurfaceOrigin fOrigin;
// TODO: do we care about mipmapping
};
static sk_sp<GrSurfaceProxy> make_deferred(GrResourceProvider* resourceProvider,
const ProxyParams& p) {
GrSurfaceDesc desc;
desc.fFlags = p.fIsRT ? kRenderTarget_GrSurfaceFlag : kNone_GrSurfaceFlags;
desc.fOrigin = p.fOrigin;
desc.fWidth = p.fSize;
desc.fHeight = p.fSize;
desc.fConfig = p.fConfig;
desc.fSampleCnt = p.fSampleCnt;
return GrSurfaceProxy::MakeDeferred(resourceProvider, desc, p.fFit, SkBudgeted::kNo);
}
static sk_sp<GrSurfaceProxy> make_backend(GrContext* context, const ProxyParams& p,
GrBackendObject* backendTexHandle) {
*backendTexHandle = context->getGpu()->createTestingOnlyBackendTexture(
nullptr, p.fSize, p.fSize, p.fConfig);
GrBackendTexture backendTex = GrTest::CreateBackendTexture(context->contextPriv().getBackend(),
p.fSize,
p.fSize,
p.fConfig,
GrMipMapped::kNo,
*backendTexHandle);
sk_sp<GrSurface> tex = context->resourceProvider()->wrapBackendTexture(backendTex,
kBorrow_GrWrapOwnership);
return GrSurfaceProxy::MakeWrapped(std::move(tex), p.fOrigin);
}
static void cleanup_backend(GrContext* context, GrBackendObject* backendTexHandle) {
context->getGpu()->deleteTestingOnlyBackendTexture(*backendTexHandle);
}
// Basic test that two proxies with overlapping intervals and compatible descriptors are
// assigned different GrSurfaces.
static void overlap_test(skiatest::Reporter* reporter, GrResourceProvider* resourceProvider,
sk_sp<GrSurfaceProxy> p1, sk_sp<GrSurfaceProxy> p2,
bool expectedResult) {
GrResourceAllocator alloc(resourceProvider);
alloc.addInterval(p1.get(), 0, 4);
alloc.addInterval(p2.get(), 1, 2);
alloc.markEndOfOpList(0);
int startIndex, stopIndex;
alloc.assign(&startIndex, &stopIndex);
REPORTER_ASSERT(reporter, p1->priv().peekSurface());
REPORTER_ASSERT(reporter, p2->priv().peekSurface());
bool doTheBackingStoresMatch = p1->underlyingUniqueID() == p2->underlyingUniqueID();
REPORTER_ASSERT(reporter, expectedResult == doTheBackingStoresMatch);
}
// Test various cases when two proxies do not have overlapping intervals.
// This mainly acts as a test of the ResourceAllocator's free pool.
static void non_overlap_test(skiatest::Reporter* reporter, GrResourceProvider* resourceProvider,
sk_sp<GrSurfaceProxy> p1, sk_sp<GrSurfaceProxy> p2,
bool expectedResult) {
GrResourceAllocator alloc(resourceProvider);
alloc.addInterval(p1.get(), 0, 2);
alloc.addInterval(p2.get(), 3, 5);
alloc.markEndOfOpList(0);
int startIndex, stopIndex;
alloc.assign(&startIndex, &stopIndex);
REPORTER_ASSERT(reporter, p1->priv().peekSurface());
REPORTER_ASSERT(reporter, p2->priv().peekSurface());
bool doTheBackingStoresMatch = p1->underlyingUniqueID() == p2->underlyingUniqueID();
REPORTER_ASSERT(reporter, expectedResult == doTheBackingStoresMatch);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ResourceAllocatorTest, reporter, ctxInfo) {
GrResourceProvider* resourceProvider = ctxInfo.grContext()->resourceProvider();
struct TestCase {
ProxyParams fP1;
ProxyParams fP2;
bool fExpectation;
};
constexpr bool kRT = true;
constexpr bool kNotRT = false;
constexpr bool kShare = true;
constexpr bool kDontShare = false;
// Non-RT GrSurfaces are never recycled on some platforms.
bool kConditionallyShare = resourceProvider->caps()->reuseScratchTextures();
const GrPixelConfig kRGBA = kRGBA_8888_GrPixelConfig;
const GrPixelConfig kBGRA = kBGRA_8888_GrPixelConfig;
const SkBackingFit kE = SkBackingFit::kExact;
const SkBackingFit kA = SkBackingFit::kApprox;
const GrSurfaceOrigin kTL = kTopLeft_GrSurfaceOrigin;
const GrSurfaceOrigin kBL = kBottomLeft_GrSurfaceOrigin;
//--------------------------------------------------------------------------------------------
TestCase gOverlappingTests[] = {
//----------------------------------------------------------------------------------------
// Two proxies with overlapping intervals and compatible descriptors should never share
// RT version
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kTL }, kDontShare },
// non-RT version
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 64, kNotRT, kRGBA, kA, 0, kTL }, kDontShare },
};
for (auto test : gOverlappingTests) {
sk_sp<GrSurfaceProxy> p1 = make_deferred(resourceProvider, test.fP1);
sk_sp<GrSurfaceProxy> p2 = make_deferred(resourceProvider, test.fP2);
overlap_test(reporter, resourceProvider,
std::move(p1), std::move(p2), test.fExpectation);
}
int k2 = ctxInfo.grContext()->caps()->getSampleCount(2, kRGBA);
int k4 = ctxInfo.grContext()->caps()->getSampleCount(4, kRGBA);
//--------------------------------------------------------------------------------------------
TestCase gNonOverlappingTests[] = {
//----------------------------------------------------------------------------------------
// Two non-overlapping intervals w/ compatible proxies should share
// both same size & approx
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kTL }, kShare },
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 64, kNotRT, kRGBA, kA, 0, kTL }, kConditionallyShare },
// diffs sizes but still approx
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 50, kRT, kRGBA, kA, 0, kTL }, kShare },
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 50, kNotRT, kRGBA, kA, 0, kTL }, kConditionallyShare },
// sames sizes but exact
{ { 64, kRT, kRGBA, kE, 0, kTL }, { 64, kRT, kRGBA, kE, 0, kTL }, kShare },
{ { 64, kNotRT, kRGBA, kE, 0, kTL }, { 64, kNotRT, kRGBA, kE, 0, kTL }, kConditionallyShare },
//----------------------------------------------------------------------------------------
// Two non-overlapping intervals w/ different exact sizes should not share
{ { 56, kRT, kRGBA, kE, 0, kTL }, { 54, kRT, kRGBA, kE, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ _very different_ approx sizes should not share
{ { 255, kRT, kRGBA, kA, 0, kTL }, { 127, kRT, kRGBA, kA, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ different MSAA sample counts should not share
{ { 64, kRT, kRGBA, kA, k2, kTL },{ 64, kRT, kRGBA, kA, k4, kTL}, k2 == k4 },
// Two non-overlapping intervals w/ different configs should not share
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kBGRA, kA, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ different RT classifications should never share
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kNotRT, kRGBA, kA, 0, kTL }, kDontShare },
{ { 64, kNotRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kTL }, kDontShare },
// Two non-overlapping intervals w/ different origins should share
{ { 64, kRT, kRGBA, kA, 0, kTL }, { 64, kRT, kRGBA, kA, 0, kBL }, kShare },
};
for (auto test : gNonOverlappingTests) {
sk_sp<GrSurfaceProxy> p1 = make_deferred(resourceProvider, test.fP1);
sk_sp<GrSurfaceProxy> p2 = make_deferred(resourceProvider, test.fP2);
if (!p1 || !p2) {
continue; // creation can fail (i.e., for msaa4 on iOS)
}
non_overlap_test(reporter, resourceProvider,
std::move(p1), std::move(p2), test.fExpectation);
}
{
// Wrapped backend textures should never be reused
TestCase t[1] = {
{ { 64, kNotRT, kRGBA, kE, 0, kTL }, { 64, kNotRT, kRGBA, kE, 0, kTL }, kDontShare }
};
GrBackendObject backEndObj;
sk_sp<GrSurfaceProxy> p1 = make_backend(ctxInfo.grContext(), t[0].fP1, &backEndObj);
sk_sp<GrSurfaceProxy> p2 = make_deferred(resourceProvider, t[0].fP2);
non_overlap_test(reporter, resourceProvider,
std::move(p1), std::move(p2), t[0].fExpectation);
cleanup_backend(ctxInfo.grContext(), &backEndObj);
}
}
#endif
#endif
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