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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrContext.h"
#include "GrContextPriv.h"
#include "GrGpu.h"
#include "effects/GrSkSLFP.h"
#include "gl/GrGLGpu.h"
#include "mock/GrMockGpu.h"
#include "text/GrGlyphCache.h"
#ifdef SK_METAL
#include "mtl/GrMtlTrampoline.h"
#endif
#ifdef SK_VULKAN
#include "vk/GrVkGpu.h"
#endif
class SK_API GrDirectContext : public GrContext {
public:
GrDirectContext(GrBackend backend)
: INHERITED(backend)
, fAtlasManager(nullptr) {
}
~GrDirectContext() override {
// this if-test protects against the case where the context is being destroyed
// before having been fully created
if (this->contextPriv().getGpu()) {
this->flush();
}
delete fAtlasManager;
}
void abandonContext() override {
INHERITED::abandonContext();
fAtlasManager->freeAll();
}
void releaseResourcesAndAbandonContext() override {
INHERITED::releaseResourcesAndAbandonContext();
fAtlasManager->freeAll();
}
void freeGpuResources() override {
this->flush();
fAtlasManager->freeAll();
INHERITED::freeGpuResources();
}
protected:
bool init(const GrContextOptions& options) override {
SkASSERT(fCaps); // should've been set in ctor
SkASSERT(!fThreadSafeProxy);
SkASSERT(!fFPFactoryCache);
fFPFactoryCache.reset(new GrSkSLFPFactoryCache());
fThreadSafeProxy.reset(new GrContextThreadSafeProxy(fCaps, this->uniqueID(),
fBackend, options, fFPFactoryCache));
if (!INHERITED::initCommon(options)) {
return false;
}
GrDrawOpAtlas::AllowMultitexturing allowMultitexturing;
if (GrContextOptions::Enable::kNo == options.fAllowMultipleGlyphCacheTextures ||
// multitexturing supported only if range can represent the index + texcoords fully
!(fCaps->shaderCaps()->floatIs32Bits() || fCaps->shaderCaps()->integerSupport())) {
allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kNo;
} else {
allowMultitexturing = GrDrawOpAtlas::AllowMultitexturing::kYes;
}
GrGlyphCache* glyphCache = this->contextPriv().getGlyphCache();
GrProxyProvider* proxyProvider = this->contextPriv().proxyProvider();
fAtlasManager = new GrAtlasManager(proxyProvider, glyphCache,
options.fGlyphCacheTextureMaximumBytes,
allowMultitexturing);
this->contextPriv().addOnFlushCallbackObject(fAtlasManager);
SkASSERT(glyphCache->getGlyphSizeLimit() == fAtlasManager->getGlyphSizeLimit());
return true;
}
GrAtlasManager* onGetAtlasManager() override { return fAtlasManager; }
private:
GrAtlasManager* fAtlasManager;
typedef GrContext INHERITED;
};
sk_sp<GrContext> GrContext::MakeGL(sk_sp<const GrGLInterface> interface) {
GrContextOptions defaultOptions;
return MakeGL(std::move(interface), defaultOptions);
}
sk_sp<GrContext> GrContext::MakeGL(const GrContextOptions& options) {
return MakeGL(nullptr, options);
}
sk_sp<GrContext> GrContext::MakeGL() {
GrContextOptions defaultOptions;
return MakeGL(nullptr, defaultOptions);
}
sk_sp<GrContext> GrContext::MakeGL(sk_sp<const GrGLInterface> interface,
const GrContextOptions& options) {
sk_sp<GrContext> context(new GrDirectContext(kOpenGL_GrBackend));
context->fGpu = GrGLGpu::Make(std::move(interface), options, context.get());
if (!context->fGpu) {
return nullptr;
}
context->fCaps = context->fGpu->refCaps();
if (!context->init(options)) {
return nullptr;
}
return context;
}
sk_sp<GrContext> GrContext::MakeMock(const GrMockOptions* mockOptions) {
GrContextOptions defaultOptions;
return MakeMock(mockOptions, defaultOptions);
}
sk_sp<GrContext> GrContext::MakeMock(const GrMockOptions* mockOptions,
const GrContextOptions& options) {
sk_sp<GrContext> context(new GrDirectContext(kMock_GrBackend));
context->fGpu = GrMockGpu::Make(mockOptions, options, context.get());
if (!context->fGpu) {
return nullptr;
}
context->fCaps = context->fGpu->refCaps();
if (!context->init(options)) {
return nullptr;
}
return context;
}
#ifdef SK_VULKAN
sk_sp<GrContext> GrContext::MakeVulkan(const GrVkBackendContext& backendContext) {
GrContextOptions defaultOptions;
return MakeVulkan(backendContext, defaultOptions);
}
sk_sp<GrContext> GrContext::MakeVulkan(const GrVkBackendContext& backendContext,
const GrContextOptions& options) {
sk_sp<GrContext> context(new GrDirectContext(kVulkan_GrBackend));
context->fGpu = GrVkGpu::Make(backendContext, options, context.get());
if (!context->fGpu) {
return nullptr;
}
context->fCaps = context->fGpu->refCaps();
if (!context->init(options)) {
return nullptr;
}
return context;
}
#endif
#ifdef SK_METAL
sk_sp<GrContext> GrContext::MakeMetal(void* device, void* queue) {
GrContextOptions defaultOptions;
return MakeMetal(device, queue, defaultOptions);
}
sk_sp<GrContext> GrContext::MakeMetal(void* device, void* queue, const GrContextOptions& options) {
sk_sp<GrContext> context(new GrDirectContext(kMetal_GrBackend));
context->fGpu = GrMtlTrampoline::MakeGpu(context.get(), options, device, queue);
if (!context->fGpu) {
return nullptr;
}
context->fCaps = context->fGpu->refCaps();
if (!context->init(options)) {
return nullptr;
}
return context;
}
#endif
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