コード例 #1
0
ファイル: GrContextFactory.cpp プロジェクト: izikhuang/skia
ContextInfo GrContextFactory::getContextInfo(ContextType type, ContextOptions options) {
    for (int i = 0; i < fContexts.count(); ++i) {
        Context& context = fContexts[i];
        if (context.fType == type &&
            context.fOptions == options &&
            !context.fAbandoned) {
            if (context.fGLContext) {
                context.fGLContext->makeCurrent();
            }
            return ContextInfo(context.fGrContext, context.fGLContext);
        }
    }
    SkAutoTDelete<GLTestContext> glCtx;
    sk_sp<GrContext> grCtx;
    GrBackendContext backendContext = 0;
    sk_sp<const GrGLInterface> glInterface;
#ifdef SK_VULKAN
    sk_sp<const GrVkBackendContext> vkBackend;
#endif
    GrBackend backend = ContextTypeBackend(type);
    switch (backend) {
        case kOpenGL_GrBackend:
            switch (type) {
                case kGL_ContextType:
                    glCtx.reset(CreatePlatformGLTestContext(kGL_GrGLStandard));
                    break;
                case kGLES_ContextType:
                    glCtx.reset(CreatePlatformGLTestContext(kGLES_GrGLStandard));
                    break;
#if SK_ANGLE
#   ifdef SK_BUILD_FOR_WIN
                case kANGLE_ContextType:
                    glCtx.reset(CreateANGLEDirect3DGLTestContext());
                    break;
#   endif
                case kANGLE_GL_ContextType:
                    glCtx.reset(CreateANGLEOpenGLGLTestContext());
                    break;
#endif
#if SK_COMMAND_BUFFER
                case kCommandBuffer_ContextType:
                    glCtx.reset(CommandBufferGLTestContext::Create());
                    break;
#endif
#if SK_MESA
                case kMESA_ContextType:
                    glCtx.reset(CreateMesaGLTestContext());
                    break;
#endif
                case kNullGL_ContextType:
                    glCtx.reset(CreateNullGLTestContext());
                    break;
                case kDebugGL_ContextType:
                    glCtx.reset(CreateDebugGLTestContext());
                    break;
                default:
                    return ContextInfo();
            }
            if (nullptr == glCtx.get()) {
                return ContextInfo();
            }
            glInterface.reset(SkRef(glCtx->gl()));
            // Block NVPR from non-NVPR types.
            if (!(kEnableNVPR_ContextOptions & options)) {
                glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface.get()));
                if (!glInterface) {
                    return ContextInfo();
                }
            }
            backendContext = reinterpret_cast<GrBackendContext>(glInterface.get());
            glCtx->makeCurrent();
            break;
#ifdef SK_VULKAN
        case kVulkan_GrBackend:
            SkASSERT(kVulkan_ContextType == type);
            if ((kEnableNVPR_ContextOptions & options) ||
                (kRequireSRGBSupport_ContextOptions & options)) {
                return ContextInfo();
            }
            vkBackend.reset(GrVkBackendContext::Create());
            if (!vkBackend) {
                return ContextInfo();
            }
            backendContext = reinterpret_cast<GrBackendContext>(vkBackend.get());
            // There is some bug (either in Skia or the NV Vulkan driver) where VkDevice
            // destruction will hang occaisonally. For some reason having an existing GL
            // context fixes this.
            if (!fSentinelGLContext) {
                fSentinelGLContext.reset(CreatePlatformGLTestContext(kGL_GrGLStandard));
                if (!fSentinelGLContext) {
                    fSentinelGLContext.reset(CreatePlatformGLTestContext(kGLES_GrGLStandard));
                }
            }
            break;
#endif
        default:
            return ContextInfo();
    }

    grCtx.reset(GrContext::Create(backend, backendContext, fGlobalOptions));
    if (!grCtx.get()) {
        return ContextInfo();
    }
    if (kEnableNVPR_ContextOptions & options) {
        if (!grCtx->caps()->shaderCaps()->pathRenderingSupport()) {
            return ContextInfo();
        }
    }
    if (kRequireSRGBSupport_ContextOptions & options) {
        if (!grCtx->caps()->srgbSupport()) {
            return ContextInfo();
        }
    }

    Context& context = fContexts.push_back();
    context.fGLContext = glCtx.release();
    context.fGrContext = SkRef(grCtx.get());
    context.fType = type;
    context.fOptions = options;
    context.fAbandoned = false;
    return ContextInfo(context.fGrContext, context.fGLContext);
}
コード例 #2
0
ファイル: GrContextFactory.cpp プロジェクト: 03050903/skia
ContextInfo GrContextFactory::getContextInfo(ContextType type, ContextOptions options) {
    for (int i = 0; i < fContexts.count(); ++i) {
        Context& context = fContexts[i];
        if (context.fType == type &&
            context.fOptions == options &&
            !context.fAbandoned) {
            context.fTestContext->makeCurrent();
            return ContextInfo(context.fBackend, context.fTestContext, context.fGrContext);
        }
    }
    SkAutoTDelete<TestContext> testCtx;
    sk_sp<GrContext> grCtx;
    GrBackendContext backendContext = 0;
    sk_sp<const GrGLInterface> glInterface;
    GrBackend backend = ContextTypeBackend(type);
    switch (backend) {
        case kOpenGL_GrBackend: {
            GLTestContext* glCtx;
            switch (type) {
                case kGL_ContextType:
                    glCtx = CreatePlatformGLTestContext(kGL_GrGLStandard);
                    break;
                case kGLES_ContextType:
                    glCtx = CreatePlatformGLTestContext(kGLES_GrGLStandard);
                    break;
#if SK_ANGLE
#   ifdef SK_BUILD_FOR_WIN
                case kANGLE_ContextType:
                    glCtx = CreateANGLEDirect3DGLTestContext();
                    break;
#   endif
                case kANGLE_GL_ContextType:
                    glCtx = CreateANGLEOpenGLGLTestContext();
                    break;
#endif
#if SK_COMMAND_BUFFER
                case kCommandBuffer_ContextType:
                    glCtx = CommandBufferGLTestContext::Create();
                    break;
#endif
#if SK_MESA
                case kMESA_ContextType:
                    glCtx = CreateMesaGLTestContext();
                    break;
#endif
                case kNullGL_ContextType:
                    glCtx = CreateNullGLTestContext(kEnableNVPR_ContextOptions & options);
                    break;
                case kDebugGL_ContextType:
                    glCtx = CreateDebugGLTestContext();
                    break;
                default:
                    return ContextInfo();
            }
            if (!glCtx) {
                return ContextInfo();
            }
            testCtx.reset(glCtx);
            glInterface.reset(SkRef(glCtx->gl()));
            // Block NVPR from non-NVPR types. We don't block NVPR from contexts that will use
            // instanced rendering because that would prevent us from testing mixed samples.
            if (!((kEnableNVPR_ContextOptions | kUseInstanced_ContextOptions) & options)) {
                glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface.get()));
                if (!glInterface) {
                    return ContextInfo();
                }
            }
            backendContext = reinterpret_cast<GrBackendContext>(glInterface.get());
            break;
        }
#ifdef SK_VULKAN
        case kVulkan_GrBackend:
            SkASSERT(kVulkan_ContextType == type);
            if (kEnableNVPR_ContextOptions & options) {
                return ContextInfo();
            }
            testCtx.reset(CreatePlatformVkTestContext());
            if (!testCtx) {
                return ContextInfo();
            }

            // There is some bug (either in Skia or the NV Vulkan driver) where VkDevice
            // destruction will hang occaisonally. For some reason having an existing GL
            // context fixes this.
            if (!fSentinelGLContext) {
                fSentinelGLContext.reset(CreatePlatformGLTestContext(kGL_GrGLStandard));
                if (!fSentinelGLContext) {
                    fSentinelGLContext.reset(CreatePlatformGLTestContext(kGLES_GrGLStandard));
                }
            }
            backendContext = testCtx->backendContext();
            break;
#endif
        default:
            return ContextInfo();
    }
    testCtx->makeCurrent();
    SkASSERT(testCtx && testCtx->backend() == backend);
    GrContextOptions grOptions = fGlobalOptions;
    if (kUseInstanced_ContextOptions & options) {
        grOptions.fEnableInstancedRendering = true;
    }
    grCtx.reset(GrContext::Create(backend, backendContext, grOptions));
    if (!grCtx.get()) {
        return ContextInfo();
    }
    if (kEnableNVPR_ContextOptions & options) {
        if (!grCtx->caps()->shaderCaps()->pathRenderingSupport()) {
            return ContextInfo();
        }
    }
    if (kUseInstanced_ContextOptions & options) {
        if (GrCaps::InstancedSupport::kNone == grCtx->caps()->instancedSupport()) {
            return ContextInfo();
        }
    }
    if (kRequireSRGBSupport_ContextOptions & options) {
        if (!grCtx->caps()->srgbSupport()) {
            return ContextInfo();
        }
    }

    Context& context = fContexts.push_back();
    context.fBackend = backend;
    context.fTestContext = testCtx.release();
    context.fGrContext = SkRef(grCtx.get());
    context.fType = type;
    context.fOptions = options;
    context.fAbandoned = false;
    return ContextInfo(context.fBackend, context.fTestContext, context.fGrContext);
}