1 files changed, 162 insertions, 0 deletions
diff --git a/tools/gpu/GrContextFactory.cpp b/tools/gpu/GrContextFactory.cpp
new file mode 100755
index 0000000000..cb23014ad0
--- /dev/null
+++ b/tools/gpu/GrContextFactory.cpp
@@ -0,0 +1,162 @@
+
+/*
+ * 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"
+#include "gl/GLContext.h"
+
+#if SK_ANGLE
+    #include "gl/angle/GLContext_angle.h"
+#endif
+#if SK_COMMAND_BUFFER
+    #include "gl/command_buffer/GLContext_command_buffer.h"
+#endif
+#include "gl/debug/DebugGLContext.h"
+#if SK_MESA
+    #include "gl/mesa/GLContext_mesa.h"
+#endif
+#include "gl/null/NullGLContext.h"
+#include "gl/GrGLGpu.h"
+#include "GrCaps.h"
+
+namespace sk_gpu_test {
+GrContextFactory::GrContextFactory() { }
+
+GrContextFactory::GrContextFactory(const GrContextOptions& opts)
+    : fGlobalOptions(opts) {
+}
+
+GrContextFactory::~GrContextFactory() {
+    this->destroyContexts();
+}
+
+void GrContextFactory::destroyContexts() {
+    for (Context& context : fContexts) {
+        if (context.fGLContext) {
+            context.fGLContext->makeCurrent();
+        }
+        if (!context.fGrContext->unique()) {
+            context.fGrContext->abandonContext();
+        }
+        context.fGrContext->unref();
+        delete(context.fGLContext);
+    }
+    fContexts.reset();
+}
+
+void GrContextFactory::abandonContexts() {
+    for (Context& context : fContexts) {
+        if (context.fGLContext) {
+            context.fGLContext->makeCurrent();
+            context.fGLContext->testAbandon();
+            delete(context.fGLContext);
+            context.fGLContext = nullptr;
+        }
+        context.fGrContext->abandonContext();
+    }
+}
+
+GrContextFactory::ContextInfo GrContextFactory::getContextInfo(GLContextType type,
+                                                               GLContextOptions options) {
+    for (int i = 0; i < fContexts.count(); ++i) {
+        Context& context = fContexts[i];
+        if (!context.fGLContext) {
+            continue;
+        }
+        if (context.fType == type &&
+            context.fOptions == options) {
+            context.fGLContext->makeCurrent();
+            return ContextInfo(context.fGrContext, context.fGLContext);
+        }
+    }
+    SkAutoTDelete<GLContext> glCtx;
+    SkAutoTUnref<GrContext> grCtx;
+    switch (type) {
+        case kNative_GLContextType:
+            glCtx.reset(CreatePlatformGLContext(kNone_GrGLStandard));
+            break;
+        case kGL_GLContextType:
+            glCtx.reset(CreatePlatformGLContext(kGL_GrGLStandard));
+            break;
+        case kGLES_GLContextType:
+            glCtx.reset(CreatePlatformGLContext(kGLES_GrGLStandard));
+            break;
+#if SK_ANGLE
+#ifdef SK_BUILD_FOR_WIN
+        case kANGLE_GLContextType:
+            glCtx.reset(CreateANGLEDirect3DGLContext());
+            break;
+#endif
+        case kANGLE_GL_GLContextType:
+            glCtx.reset(CreateANGLEOpenGLGLContext());
+            break;
+#endif
+#if SK_COMMAND_BUFFER
+        case kCommandBuffer_GLContextType:
+            glCtx.reset(CommandBufferGLContext::Create());
+            break;
+#endif
+#if SK_MESA
+        case kMESA_GLContextType:
+            glCtx.reset(CreateMesaGLContext());
+            break;
+#endif
+        case kNull_GLContextType:
+            glCtx.reset(CreateNullGLContext());
+            break;
+        case kDebug_GLContextType:
+            glCtx.reset(CreateDebugGLContext());
+            break;
+    }
+    if (nullptr == glCtx.get()) {
+        return ContextInfo();
+    }
+
+    SkASSERT(glCtx->isValid());
+
+    // Block NVPR from non-NVPR types.
+    SkAutoTUnref<const GrGLInterface> glInterface(SkRef(glCtx->gl()));
+    if (!(kEnableNVPR_GLContextOptions & options)) {
+        glInterface.reset(GrGLInterfaceRemoveNVPR(glInterface));
+        if (!glInterface) {
+            return ContextInfo();
+        }
+    }
+
+    glCtx->makeCurrent();
+    GrBackendContext p3dctx = reinterpret_cast<GrBackendContext>(glInterface.get());
+#ifdef SK_VULKAN
+    if (kEnableNVPR_GLContextOptions & options) {
+        return ContextInfo();
+    } else {
+        grCtx.reset(GrContext::Create(kVulkan_GrBackend, p3dctx, fGlobalOptions));
+    }
+#else
+    grCtx.reset(GrContext::Create(kOpenGL_GrBackend, p3dctx, fGlobalOptions));
+#endif
+    if (!grCtx.get()) {
+        return ContextInfo();
+    }
+    if (kEnableNVPR_GLContextOptions & options) {
+        if (!grCtx->caps()->shaderCaps()->pathRenderingSupport()) {
+            return ContextInfo();
+        }
+    }
+    if (kRequireSRGBSupport_GLContextOptions & 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;
+    return ContextInfo(context.fGrContext, context.fGLContext);
+}
+}  // namespace sk_gpu_test