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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_BLINK_WEBGRAPHICSCONTEXT3D_IMPL_H_
#define GPU_BLINK_WEBGRAPHICSCONTEXT3D_IMPL_H_
#include <stdint.h>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "gpu/blink/gpu_blink_export.h"
#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
#include "third_party/WebKit/public/platform/WebString.h"
namespace gpu {
namespace gles2 {
class GLES2Interface;
class GLES2ImplementationErrorMessageCallback;
struct ContextCreationAttribHelper;
}
}
namespace gpu_blink {
class WebGraphicsContext3DErrorMessageCallback;
class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
: public NON_EXPORTED_BASE(blink::WebGraphicsContext3D) {
public:
~WebGraphicsContext3DImpl() override;
//----------------------------------------------------------------------
// WebGraphicsContext3D methods
bool getActiveAttrib(blink::WebGLId program,
blink::WGC3Duint index,
ActiveInfo&) override;
bool getActiveUniform(blink::WebGLId program,
blink::WGC3Duint index,
ActiveInfo&) override;
blink::WebString getProgramInfoLog(blink::WebGLId program) override;
blink::WebString getShaderInfoLog(blink::WebGLId shader) override;
blink::WebString getShaderSource(blink::WebGLId shader) override;
blink::WebString getString(blink::WGC3Denum name) override;
void shaderSource(blink::WebGLId shader,
const blink::WGC3Dchar* string) override;
blink::WebString getRequestableExtensionsCHROMIUM() override;
blink::WebString getTranslatedShaderSourceANGLE(
blink::WebGLId shader) override;
void setContextLostCallback(
WebGraphicsContext3D::WebGraphicsContextLostCallback* callback) override;
void setErrorMessageCallback(
WebGraphicsContext3D::WebGraphicsErrorMessageCallback* callback) override;
void pushGroupMarkerEXT(const blink::WGC3Dchar* marker) override;
// WebGraphicsContext3D implementation.
::gpu::gles2::GLES2Interface* getGLES2Interface() override;
::gpu::gles2::GLES2Interface* GetGLInterface() {
return gl_;
}
// Convert WebGL context creation attributes into command buffer / EGL size
// requests.
static void ConvertAttributes(
const blink::WebGraphicsContext3D::Attributes& attributes,
::gpu::gles2::ContextCreationAttribHelper* output_attribs);
protected:
friend class WebGraphicsContext3DErrorMessageCallback;
WebGraphicsContext3DImpl();
::gpu::gles2::GLES2ImplementationErrorMessageCallback*
getErrorMessageCallback();
virtual void OnErrorMessage(const std::string& message, int id);
void SetGLInterface(::gpu::gles2::GLES2Interface* gl) { gl_ = gl; }
bool initialized_;
bool initialize_failed_;
WebGraphicsContext3D::WebGraphicsContextLostCallback* context_lost_callback_;
WebGraphicsContext3D::WebGraphicsErrorMessageCallback*
error_message_callback_;
scoped_ptr<WebGraphicsContext3DErrorMessageCallback>
client_error_message_callback_;
// Errors raised by synthesizeGLError().
std::vector<blink::WGC3Denum> synthetic_errors_;
::gpu::gles2::GLES2Interface* gl_;
bool lose_context_when_out_of_memory_;
};
} // namespace gpu_blink
#endif // GPU_BLINK_WEBGRAPHICSCONTEXT3D_IMPL_H_
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