| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrContextFactory_DEFINED |
| #define GrContextFactory_DEFINED |
| |
| #include "include/gpu/GrContext.h" |
| #include "include/gpu/GrContextOptions.h" |
| |
| #include "include/private/SkTArray.h" |
| #include "tools/gpu/TestContext.h" |
| |
| #ifdef SK_GL |
| #include "tools/gpu/gl/GLTestContext.h" |
| #endif |
| |
| struct GrVkBackendContext; |
| |
| namespace sk_gpu_test { |
| class ContextInfo; |
| |
| /** |
| * This is a simple class that is useful in test apps that use different |
| * GrContexts backed by different types of GL contexts. It manages creating the |
| * GL context and a GrContext that uses it. The GL/Gr contexts persist until the |
| * factory is destroyed (though the caller can always grab a ref on the returned |
| * Gr and GL contexts to make them outlive the factory). |
| */ |
| class GrContextFactory : SkNoncopyable { |
| public: |
| // The availability of context types is subject to platform and build configuration |
| // restrictions. |
| enum ContextType { |
| kGL_ContextType, //! OpenGL context. |
| kGLES_ContextType, //! OpenGL ES context. |
| kANGLE_D3D9_ES2_ContextType, //! ANGLE on Direct3D9 OpenGL ES 2 context. |
| kANGLE_D3D11_ES2_ContextType,//! ANGLE on Direct3D11 OpenGL ES 2 context. |
| kANGLE_D3D11_ES3_ContextType,//! ANGLE on Direct3D11 OpenGL ES 3 context. |
| kANGLE_GL_ES2_ContextType, //! ANGLE on OpenGL OpenGL ES 2 context. |
| kANGLE_GL_ES3_ContextType, //! ANGLE on OpenGL OpenGL ES 3 context. |
| kCommandBuffer_ContextType, //! Chromium command buffer OpenGL ES context. |
| kVulkan_ContextType, //! Vulkan |
| kMetal_ContextType, //! Metal |
| kMock_ContextType, //! Mock context that does not draw. |
| kLastContextType = kMock_ContextType |
| }; |
| |
| static const int kContextTypeCnt = kLastContextType + 1; |
| |
| /** |
| * Overrides for the initial GrContextOptions provided at construction time, and required |
| * features that will cause context creation to fail if not present. |
| */ |
| enum class ContextOverrides { |
| kNone = 0x0, |
| kDisableNVPR = 0x1, |
| kAvoidStencilBuffers = 0x2, |
| |
| kRequireNVPRSupport = 0x4, |
| }; |
| |
| static bool IsRenderingContext(ContextType type) { |
| switch (type) { |
| case kMock_ContextType: |
| return false; |
| default: |
| return true; |
| } |
| } |
| |
| static GrBackendApi ContextTypeBackend(ContextType type) { |
| switch (type) { |
| case kVulkan_ContextType: |
| return GrBackendApi::kVulkan; |
| case kMetal_ContextType: |
| return GrBackendApi::kMetal; |
| case kMock_ContextType: |
| return GrBackendApi::kMock; |
| default: |
| return GrBackendApi::kOpenGL; |
| } |
| } |
| |
| static const char* ContextTypeName(ContextType contextType) { |
| switch (contextType) { |
| case kGL_ContextType: |
| return "OpenGL"; |
| case kGLES_ContextType: |
| return "OpenGLES"; |
| case kANGLE_D3D9_ES2_ContextType: |
| return "ANGLE D3D9 ES2"; |
| case kANGLE_D3D11_ES2_ContextType: |
| return "ANGLE D3D11 ES2"; |
| case kANGLE_D3D11_ES3_ContextType: |
| return "ANGLE D3D11 ES3"; |
| case kANGLE_GL_ES2_ContextType: |
| return "ANGLE GL ES2"; |
| case kANGLE_GL_ES3_ContextType: |
| return "ANGLE GL ES3"; |
| case kCommandBuffer_ContextType: |
| return "Command Buffer"; |
| case kVulkan_ContextType: |
| return "Vulkan"; |
| case kMetal_ContextType: |
| return "Metal"; |
| case kMock_ContextType: |
| return "Mock"; |
| } |
| SK_ABORT("Unreachable"); |
| return "Unknown"; |
| } |
| |
| explicit GrContextFactory(const GrContextOptions& opts); |
| GrContextFactory(); |
| |
| ~GrContextFactory(); |
| |
| void destroyContexts(); |
| void abandonContexts(); |
| void releaseResourcesAndAbandonContexts(); |
| |
| /** |
| * Get a context initialized with a type of GL context. It also makes the GL context current. |
| */ |
| ContextInfo getContextInfo(ContextType type, |
| ContextOverrides overrides = ContextOverrides::kNone); |
| |
| /** |
| * Get a context in the same share group as the passed in GrContext, with the same type and |
| * overrides. To get multiple contexts in a single share group, pass the same shareContext, |
| * with different values for shareIndex. |
| */ |
| ContextInfo getSharedContextInfo(GrContext* shareContext, uint32_t shareIndex = 0); |
| |
| /** |
| * Get a GrContext initialized with a type of GL context. It also makes the GL context current. |
| */ |
| GrContext* get(ContextType type, ContextOverrides overrides = ContextOverrides::kNone); |
| const GrContextOptions& getGlobalOptions() const { return fGlobalOptions; } |
| |
| private: |
| ContextInfo getContextInfoInternal(ContextType type, ContextOverrides overrides, |
| GrContext* shareContext, uint32_t shareIndex); |
| |
| struct Context { |
| ContextType fType; |
| ContextOverrides fOverrides; |
| GrContextOptions fOptions; |
| GrBackendApi fBackend; |
| TestContext* fTestContext; |
| GrContext* fGrContext; |
| GrContext* fShareContext; |
| uint32_t fShareIndex; |
| |
| bool fAbandoned; |
| }; |
| SkTArray<Context, true> fContexts; |
| #ifdef SK_GL |
| std::unique_ptr<GLTestContext> fSentinelGLContext; |
| #endif |
| const GrContextOptions fGlobalOptions; |
| }; |
| |
| class ContextInfo { |
| public: |
| ContextInfo() = default; |
| ContextInfo& operator=(const ContextInfo&) = default; |
| |
| GrContextFactory::ContextType type() const { return fType; } |
| GrBackendApi backend() const { return GrContextFactory::ContextTypeBackend(fType); } |
| |
| GrContext* grContext() const { return fGrContext; } |
| |
| TestContext* testContext() const { return fTestContext; } |
| |
| #ifdef SK_GL |
| GLTestContext* glContext() const { |
| SkASSERT(GrBackendApi::kOpenGL == this->backend()); |
| return static_cast<GLTestContext*>(fTestContext); |
| } |
| #endif |
| |
| const GrContextOptions& options() const { return fOptions; } |
| |
| private: |
| ContextInfo(GrContextFactory::ContextType type, TestContext* testContext, GrContext* grContext, |
| const GrContextOptions& options) |
| : fType(type), fTestContext(testContext), fGrContext(grContext), fOptions(options) {} |
| |
| GrContextFactory::ContextType fType = GrContextFactory::kGL_ContextType; |
| // Valid until the factory destroys it via abandonContexts() or destroyContexts(). |
| TestContext* fTestContext = nullptr; |
| GrContext* fGrContext = nullptr; |
| GrContextOptions fOptions; |
| |
| friend class GrContextFactory; |
| }; |
| |
| } // namespace sk_gpu_test |
| |
| GR_MAKE_BITFIELD_CLASS_OPS(sk_gpu_test::GrContextFactory::ContextOverrides); |
| |
| #endif |