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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 "GrContextFactory.h"
#if SK_ANGLE
#include "gl/angle/SkANGLEGLContext.h"
#endif
#if SK_COMMAND_BUFFER
#include "gl/command_buffer/SkCommandBufferGLContext.h"
#endif
#include "gl/debug/SkDebugGLContext.h"
#if SK_MESA
#include "gl/mesa/SkMesaGLContext.h"
#endif
#include "gl/SkGLContext.h"
#include "gl/SkNullGLContext.h"
#include "gl/GrGLGpu.h"
#include "GrCaps.h"
GrContextFactory::ContextInfo* GrContextFactory::getContextInfo(GLContextType type,
GrGLStandard forcedGpuAPI) {
for (int i = 0; i < fContexts.count(); ++i) {
if (forcedGpuAPI != kNone_GrGLStandard &&
forcedGpuAPI != fContexts[i]->fGLContext->gl()->fStandard)
continue;
if (fContexts[i]->fType == type) {
fContexts[i]->fGLContext->makeCurrent();
return fContexts[i];
}
}
SkAutoTUnref<SkGLContext> glCtx;
SkAutoTUnref<GrContext> grCtx;
switch (type) {
case kNVPR_GLContextType: // fallthru
case kNative_GLContextType:
glCtx.reset(SkCreatePlatformGLContext(forcedGpuAPI));
break;
#ifdef SK_ANGLE
case kANGLE_GLContextType:
glCtx.reset(SkANGLEGLContext::Create(forcedGpuAPI, false));
break;
case kANGLE_GL_GLContextType:
glCtx.reset(SkANGLEGLContext::Create(forcedGpuAPI, true));
break;
#endif
#ifdef SK_COMMAND_BUFFER
case kCommandBuffer_GLContextType:
glCtx.reset(SkCommandBufferGLContext::Create(forcedGpuAPI));
break;
#endif
#ifdef SK_MESA
case kMESA_GLContextType:
glCtx.reset(SkMesaGLContext::Create(forcedGpuAPI));
break;
#endif
case kNull_GLContextType:
glCtx.reset(SkNullGLContext::Create(forcedGpuAPI));
break;
case kDebug_GLContextType:
glCtx.reset(SkDebugGLContext::Create(forcedGpuAPI));
break;
}
if (nullptr == glCtx.get()) {
return nullptr;
}
SkASSERT(glCtx->isValid());
// Block NVPR from non-NVPR types.
SkAutoTUnref<const GrGLInterface> glInterface(SkRef(glCtx->gl()));
if (kNVPR_GLContextType != type) {
glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface));
if (!glInterface) {
return nullptr;
}
}
glCtx->makeCurrent();
GrBackendContext p3dctx = reinterpret_cast<GrBackendContext>(glInterface.get());
#ifdef SK_VULKAN
grCtx.reset(GrContext::Create(kVulkan_GrBackend, p3dctx, fGlobalOptions));
#else
grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx, fGlobalOptions));
#endif
if (!grCtx.get()) {
return nullptr;
}
if (kNVPR_GLContextType == type) {
if (!grCtx->caps()->shaderCaps()->pathRenderingSupport()) {
return nullptr;
}
}
ContextInfo* ctx = fContexts.emplace_back(new ContextInfo);
ctx->fGLContext = SkRef(glCtx.get());
ctx->fGrContext = SkRef(grCtx.get());
ctx->fType = type;
return ctx;
}
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