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skia2/tools/gpu/GrContextFactory.cpp
Brian Salomon f4ba4ec796 Revert "Revert "Revert "Revert "Don't build GL on Metal, Vulkan, Dawn, Direct3D bots"""" 
Updated to use sentinel GL context even when GL backend is not built.

This reverts commit 1171d314ef.

Change-Id: Ia94bbe4865ddd4e898446c13886877c539f0eb0b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/277976
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2020-03-20 17:11:58 +00:00

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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/GrContextPriv.h"
#include "tools/gpu/GrContextFactory.h"
#ifdef SK_GL
#include "tools/gpu/gl/GLTestContext.h"
#endif
#if SK_ANGLE
#include "tools/gpu/gl/angle/GLTestContext_angle.h"
#endif
#include "tools/gpu/gl/command_buffer/GLTestContext_command_buffer.h"
#ifdef SK_VULKAN
#include "tools/gpu/vk/VkTestContext.h"
#endif
#ifdef SK_METAL
#include "tools/gpu/mtl/MtlTestContext.h"
#endif
#ifdef SK_DIRECT3D
#include "tools/gpu/d3d/D3DTestContext.h"
#endif
#ifdef SK_DAWN
#include "tools/gpu/dawn/DawnTestContext.h"
#endif
#include "src/gpu/GrCaps.h"
#include "src/gpu/gl/GrGLGpu.h"
#include "tools/gpu/mock/MockTestContext.h"
#if defined(SK_BUILD_FOR_WIN) && defined(SK_ENABLE_DISCRETE_GPU)
extern "C" {
// NVIDIA documents that the presence and value of this symbol programmatically enable the high
// performance GPU in laptops with switchable graphics.
// https://docs.nvidia.com/gameworks/content/technologies/desktop/optimus.htm
// From testing, including this symbol, even if it is set to 0, we still get the NVIDIA GPU.
_declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001;
// AMD has a similar mechanism, although I don't have an AMD laptop, so this is untested.
// https://community.amd.com/thread/169965
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
#endif
namespace sk_gpu_test {
GrContextFactory::GrContextFactory() { }
GrContextFactory::GrContextFactory(const GrContextOptions& opts)
: fGlobalOptions(opts) {
}
GrContextFactory::~GrContextFactory() {
this->destroyContexts();
}
void GrContextFactory::destroyContexts() {
// We must delete the test contexts in reverse order so that any child context is finished and
// deleted before a parent context. This relies on the fact that when we make a new context we
// append it to the end of fContexts array.
// TODO: Look into keeping a dependency dag for contexts and deletion order
for (int i = fContexts.count() - 1; i >= 0; --i) {
Context& context = fContexts[i];
SkScopeExit restore(nullptr);
if (context.fTestContext) {
restore = context.fTestContext->makeCurrentAndAutoRestore();
}
if (!context.fGrContext->unique()) {
context.fGrContext->releaseResourcesAndAbandonContext();
context.fAbandoned = true;
}
context.fGrContext->unref();
delete context.fTestContext;
}
fContexts.reset();
}
void GrContextFactory::abandonContexts() {
// We must abandon the test contexts in reverse order so that any child context is finished and
// abandoned before a parent context. This relies on the fact that when we make a new context we
// append it to the end of fContexts array.
// TODO: Look into keeping a dependency dag for contexts and deletion order
for (int i = fContexts.count() - 1; i >= 0; --i) {
Context& context = fContexts[i];
if (!context.fAbandoned) {
if (context.fTestContext) {
auto restore = context.fTestContext->makeCurrentAndAutoRestore();
context.fTestContext->testAbandon();
}
bool requiresEarlyAbandon = (context.fGrContext->backend() == GrBackendApi::kVulkan);
if (requiresEarlyAbandon) {
context.fGrContext->abandonContext();
}
if (context.fTestContext) {
delete(context.fTestContext);
context.fTestContext = nullptr;
}
if (!requiresEarlyAbandon) {
context.fGrContext->abandonContext();
}
context.fAbandoned = true;
}
}
}
void GrContextFactory::releaseResourcesAndAbandonContexts() {
// We must abandon the test contexts in reverse order so that any child context is finished and
// abandoned before a parent context. This relies on the fact that when we make a new context we
// append it to the end of fContexts array.
// TODO: Look into keeping a dependency dag for contexts and deletion order
for (int i = fContexts.count() - 1; i >= 0; --i) {
Context& context = fContexts[i];
SkScopeExit restore(nullptr);
if (!context.fAbandoned) {
if (context.fTestContext) {
restore = context.fTestContext->makeCurrentAndAutoRestore();
}
context.fGrContext->releaseResourcesAndAbandonContext();
if (context.fTestContext) {
delete context.fTestContext;
context.fTestContext = nullptr;
}
context.fAbandoned = true;
}
}
}
GrContext* GrContextFactory::get(ContextType type, ContextOverrides overrides) {
return this->getContextInfo(type, overrides).grContext();
}
ContextInfo GrContextFactory::getContextInfoInternal(ContextType type, ContextOverrides overrides,
GrContext* shareContext, uint32_t shareIndex) {
// (shareIndex != 0) -> (shareContext != nullptr)
SkASSERT((shareIndex == 0) || (shareContext != nullptr));
for (int i = 0; i < fContexts.count(); ++i) {
Context& context = fContexts[i];
if (context.fType == type &&
context.fOverrides == overrides &&
context.fShareContext == shareContext &&
context.fShareIndex == shareIndex &&
!context.fAbandoned) {
context.fTestContext->makeCurrent();
return ContextInfo(context.fType, context.fTestContext, context.fGrContext,
context.fOptions);
}
}
// If we're trying to create a context in a share group, find the master context
Context* masterContext = nullptr;
if (shareContext) {
for (int i = 0; i < fContexts.count(); ++i) {
if (!fContexts[i].fAbandoned && fContexts[i].fGrContext == shareContext) {
masterContext = &fContexts[i];
break;
}
}
SkASSERT(masterContext && masterContext->fType == type);
}
std::unique_ptr<TestContext> testCtx;
GrBackendApi backend = ContextTypeBackend(type);
switch (backend) {
#ifdef SK_GL
case GrBackendApi::kOpenGL: {
GLTestContext* glShareContext = masterContext
? static_cast<GLTestContext*>(masterContext->fTestContext) : nullptr;
GLTestContext* glCtx;
switch (type) {
case kGL_ContextType:
glCtx = CreatePlatformGLTestContext(kGL_GrGLStandard, glShareContext);
break;
case kGLES_ContextType:
glCtx = CreatePlatformGLTestContext(kGLES_GrGLStandard, glShareContext);
break;
#if SK_ANGLE
case kANGLE_D3D9_ES2_ContextType:
glCtx = MakeANGLETestContext(ANGLEBackend::kD3D9, ANGLEContextVersion::kES2,
glShareContext).release();
break;
case kANGLE_D3D11_ES2_ContextType:
glCtx = MakeANGLETestContext(ANGLEBackend::kD3D11, ANGLEContextVersion::kES2,
glShareContext).release();
break;
case kANGLE_D3D11_ES3_ContextType:
glCtx = MakeANGLETestContext(ANGLEBackend::kD3D11, ANGLEContextVersion::kES3,
glShareContext).release();
break;
case kANGLE_GL_ES2_ContextType:
glCtx = MakeANGLETestContext(ANGLEBackend::kOpenGL, ANGLEContextVersion::kES2,
glShareContext).release();
break;
case kANGLE_GL_ES3_ContextType:
glCtx = MakeANGLETestContext(ANGLEBackend::kOpenGL, ANGLEContextVersion::kES3,
glShareContext).release();
break;
#endif
#ifndef SK_NO_COMMAND_BUFFER
case kCommandBuffer_ContextType:
glCtx = CommandBufferGLTestContext::Create(glShareContext);
break;
#endif
default:
return ContextInfo();
}
if (!glCtx) {
return ContextInfo();
}
testCtx.reset(glCtx);
break;
}
#endif // SK_GL
#ifdef SK_VULKAN
case GrBackendApi::kVulkan: {
VkTestContext* vkSharedContext = masterContext
? static_cast<VkTestContext*>(masterContext->fTestContext) : nullptr;
SkASSERT(kVulkan_ContextType == type);
testCtx.reset(CreatePlatformVkTestContext(vkSharedContext));
if (!testCtx) {
return ContextInfo();
}
// We previously had an issue where the VkDevice destruction would occasionally hang
// on systems with NVIDIA GPUs and having an existing GL context fixed it. Now (March
// 2020) we still need the GL context to keep Vulkan/TSAN bots from running incredibly
// slow. Perhaps this prevents repeated driver loading/unloading? Note that keeping
// a persistent VkTestContext around instead was tried and did not work.
if (!fSentinelGLContext) {
fSentinelGLContext.reset(CreatePlatformGLTestContext(kGL_GrGLStandard));
if (!fSentinelGLContext) {
fSentinelGLContext.reset(CreatePlatformGLTestContext(kGLES_GrGLStandard));
}
}
break;
}
#endif
#ifdef SK_METAL
case GrBackendApi::kMetal: {
MtlTestContext* mtlSharedContext = masterContext
? static_cast<MtlTestContext*>(masterContext->fTestContext) : nullptr;
SkASSERT(kMetal_ContextType == type);
testCtx.reset(CreatePlatformMtlTestContext(mtlSharedContext));
if (!testCtx) {
return ContextInfo();
}
break;
}
#endif
#ifdef SK_DIRECT3D
case GrBackendApi::kDirect3D: {
D3DTestContext* d3dSharedContext = masterContext
? static_cast<D3DTestContext*>(masterContext->fTestContext) : nullptr;
SkASSERT(kDirect3D_ContextType == type);
testCtx.reset(CreatePlatformD3DTestContext(d3dSharedContext));
if (!testCtx) {
return ContextInfo();
}
break;
}
#endif
#ifdef SK_DAWN
case GrBackendApi::kDawn: {
DawnTestContext* dawnSharedContext = masterContext
? static_cast<DawnTestContext*>(masterContext->fTestContext) : nullptr;
testCtx.reset(CreatePlatformDawnTestContext(dawnSharedContext));
if (!testCtx) {
return ContextInfo();
}
break;
}
#endif
case GrBackendApi::kMock: {
TestContext* sharedContext = masterContext ? masterContext->fTestContext : nullptr;
SkASSERT(kMock_ContextType == type);
testCtx.reset(CreateMockTestContext(sharedContext));
if (!testCtx) {
return ContextInfo();
}
break;
}
default:
return ContextInfo();
}
SkASSERT(testCtx && testCtx->backend() == backend);
GrContextOptions grOptions = fGlobalOptions;
if (ContextOverrides::kAvoidStencilBuffers & overrides) {
grOptions.fAvoidStencilBuffers = true;
}
sk_sp<GrContext> grCtx;
{
auto restore = testCtx->makeCurrentAndAutoRestore();
grCtx = testCtx->makeGrContext(grOptions);
}
if (!grCtx.get()) {
return ContextInfo();
}
// We must always add new contexts by pushing to the back so that when we delete them we delete
// them in reverse order in which they were made.
Context& context = fContexts.push_back();
context.fBackend = backend;
context.fTestContext = testCtx.release();
context.fGrContext = SkRef(grCtx.get());
context.fType = type;
context.fOverrides = overrides;
context.fAbandoned = false;
context.fShareContext = shareContext;
context.fShareIndex = shareIndex;
context.fOptions = grOptions;
context.fTestContext->makeCurrent();
return ContextInfo(context.fType, context.fTestContext, context.fGrContext, context.fOptions);
}
ContextInfo GrContextFactory::getContextInfo(ContextType type, ContextOverrides overrides) {
return this->getContextInfoInternal(type, overrides, nullptr, 0);
}
ContextInfo GrContextFactory::getSharedContextInfo(GrContext* shareContext, uint32_t shareIndex) {
SkASSERT(shareContext);
for (int i = 0; i < fContexts.count(); ++i) {
if (!fContexts[i].fAbandoned && fContexts[i].fGrContext == shareContext) {
return this->getContextInfoInternal(fContexts[i].fType, fContexts[i].fOverrides,
shareContext, shareIndex);
}
}
return ContextInfo();
}
} // namespace sk_gpu_test
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