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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_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_
#define GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "gles2_impl_export.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gl/gl_surface.h"
#include "ui/gl/gpu_preference.h"
namespace gfx {
class Size;
}
#if defined(OS_ANDROID)
namespace gfx {
class SurfaceTexture;
}
#endif
namespace gpu {
namespace gles2 {
class GLES2Implementation;
}
// The default uninitialized value is -1.
struct GLES2_IMPL_EXPORT GLInProcessContextAttribs {
GLInProcessContextAttribs();
int32 alpha_size;
int32 blue_size;
int32 green_size;
int32 red_size;
int32 depth_size;
int32 stencil_size;
int32 samples;
int32 sample_buffers;
int32 fail_if_major_perf_caveat;
};
class GLES2_IMPL_EXPORT GLInProcessContext {
public:
virtual ~GLInProcessContext() {}
// Create a GLInProcessContext, if |is_offscreen| is true, renders to an
// offscreen context. |attrib_list| must be NULL or a NONE-terminated list
// of attribute/value pairs.
static GLInProcessContext* CreateContext(
bool is_offscreen,
gfx::AcceleratedWidget window,
const gfx::Size& size,
bool share_resources,
const GLInProcessContextAttribs& attribs,
gfx::GpuPreference gpu_preference);
// Create context with the provided GLSurface. All other arguments match
// CreateContext factory above. Can only be called if the command buffer
// service runs on the same thread as this client because GLSurface is not
// thread safe.
static GLInProcessContext* CreateWithSurface(
scoped_refptr<gfx::GLSurface> surface,
bool share_resources,
const GLInProcessContextAttribs& attribs,
gfx::GpuPreference gpu_preference);
virtual void SetContextLostCallback(const base::Closure& callback) = 0;
// Allows direct access to the GLES2 implementation so a GLInProcessContext
// can be used without making it current.
virtual gles2::GLES2Implementation* GetImplementation() = 0;
#if defined(OS_ANDROID)
virtual scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture(
uint32 stream_id) = 0;
#endif
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_
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