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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 UI_GL_GL_BINDINGS_H_
#define UI_GL_GL_BINDINGS_H_
// Includes the platform independent and platform dependent GL headers.
// Only include this in cc files. It pulls in system headers, including
// the X11 headers on linux, which define all kinds of macros that are
// liable to cause conflicts.
#include <GL/gl.h>
#include <GL/glext.h>
#include "base/logging.h"
#include "build/build_config.h"
#include "ui/gl/gl_export.h"
// The standard OpenGL native extension headers are also included.
#if defined(OS_WIN)
#include <GL/wglext.h>
#elif defined(OS_MACOSX)
#include <OpenGL/OpenGL.h>
#elif defined(USE_X11)
#include <GL/glx.h>
#include <GL/glxext.h>
// Undefine some macros defined by X headers. This is why this file should only
// be included in .cc files.
#undef Bool
#undef None
#undef Status
#endif
#if defined(OS_WIN)
#define GL_BINDING_CALL WINAPI
#else
#define GL_BINDING_CALL
#endif
#define GL_SERVICE_LOG(args) DLOG(INFO) << args;
#if defined(NDEBUG)
#define GL_SERVICE_LOG_CODE_BLOCK(code)
#else
#define GL_SERVICE_LOG_CODE_BLOCK(code) code
#endif
// Forward declare OSMesa types.
typedef struct osmesa_context *OSMesaContext;
typedef void (*OSMESAproc)();
#if !defined(OS_MACOSX)
// Forward declare EGL types.
typedef unsigned int EGLBoolean;
typedef unsigned int EGLenum;
typedef int EGLint;
typedef void *EGLConfig;
typedef void *EGLContext;
typedef void *EGLDisplay;
typedef void *EGLImageKHR;
typedef void *EGLSurface;
typedef void *EGLClientBuffer;
typedef void (*__eglMustCastToProperFunctionPointerType)(void);
typedef void* GLeglImageOES;
#if defined(OS_WIN)
typedef HDC EGLNativeDisplayType;
typedef HBITMAP EGLNativePixmapType;
typedef HWND EGLNativeWindowType;
#elif defined(OS_ANDROID)
typedef void *EGLNativeDisplayType;
typedef struct egl_native_pixmap_t *EGLNativePixmapType;
typedef struct ANativeWindow *EGLNativeWindowType;
#else
typedef Display *EGLNativeDisplayType;
typedef Pixmap EGLNativePixmapType;
typedef Window EGLNativeWindowType;
#endif
#endif // !OS_MACOSX
#include "gl_bindings_autogen_gl.h"
#include "gl_bindings_autogen_osmesa.h"
#if defined(OS_WIN)
#include "gl_bindings_autogen_egl.h"
#include "gl_bindings_autogen_wgl.h"
#elif defined(USE_X11)
#include "gl_bindings_autogen_egl.h"
#include "gl_bindings_autogen_glx.h"
#elif defined(OS_ANDROID)
#include "gl_bindings_autogen_egl.h"
#endif
namespace gfx {
GL_EXPORT extern GLApi* g_current_gl_context;
GL_EXPORT extern OSMESAApi* g_current_osmesa_context;
GL_EXPORT extern DriverGL g_driver_gl;
GL_EXPORT extern DriverOSMESA g_driver_osmesa;
#if defined(OS_WIN)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern WGLApi* g_current_wgl_context;
GL_EXPORT extern DriverEGL g_driver_egl;
GL_EXPORT extern DriverWGL g_driver_wgl;
#elif defined(USE_X11)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern GLXApi* g_current_glx_context;
GL_EXPORT extern DriverEGL g_driver_egl;
GL_EXPORT extern DriverGLX g_driver_glx;
#elif defined(OS_ANDROID)
GL_EXPORT extern EGLApi* g_current_egl_context;
GL_EXPORT extern DriverEGL g_driver_egl;
#endif
// Find an entry point to the mock GL implementation.
void* GL_BINDING_CALL GetMockGLProcAddress(const char* name);
} // namespace gfx
#endif // UI_GL_GL_BINDINGS_H_
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