/*
** Copyright (c) 2007-2009 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/

#ifndef __egl_h_
#define __egl_h_

/**
@publishedAll
@released
*/


#include <egl/egltypes.h>

/*
** egltypes.h is platform dependent. It defines:
**
**     - EGL types and resources
**     - Native types
**     - EGL and native handle values
**
** EGL types and resources are to be typedef'ed with appropriate platform
** dependent resource handle types. EGLint must be an integer of at least
** 32-bit.
**
** NativeDisplayType, NativeWindowType and NativePixmapType are to be
** replaced with corresponding types of the native window system in egl.h.
**
** EGL and native handle values must match their types.
**
** Example egltypes.h:
*/

#if 0

#include <sys/types.h>
#include <native_window_system.h>

/*
** Types and resources
*/
typedef int EGLBoolean;
typedef int32_t EGLint;
typedef int EGLenum;
typedef void *EGLDisplay;
typedef void *EGLConfig;
typedef void *EGLSurface;
typedef void *EGLContext;
typedef void* EGLClientBuffer;

/*
** EGL and native handle values
*/
#define EGL_DEFAULT_DISPLAY ((NativeDisplayType)0)
#define EGL_NO_CONTEXT ((EGLContext)0)
#define EGL_NO_DISPLAY ((EGLDisplay)0)
#define EGL_NO_SURFACE ((EGLSurface)0)

#endif

/*
** Versioning and extensions
*/
#define EGL_VERSION_1_0                1
#define EGL_VERSION_1_1                1
#define EGL_VERSION_1_2                1

/*
** Boolean
*/
#define EGL_FALSE                      0
#define EGL_TRUE                       1

/*
** Errors
*/
#define EGL_SUCCESS                    0x3000
#define EGL_NOT_INITIALIZED            0x3001
#define EGL_BAD_ACCESS                 0x3002
#define EGL_BAD_ALLOC                  0x3003
#define EGL_BAD_ATTRIBUTE              0x3004
#define EGL_BAD_CONFIG                 0x3005
#define EGL_BAD_CONTEXT                0x3006
#define EGL_BAD_CURRENT_SURFACE        0x3007
#define EGL_BAD_DISPLAY                0x3008
#define EGL_BAD_MATCH                  0x3009
#define EGL_BAD_NATIVE_PIXMAP          0x300A
#define EGL_BAD_NATIVE_WINDOW          0x300B
#define EGL_BAD_PARAMETER              0x300C
#define EGL_BAD_SURFACE                0x300D
#define EGL_CONTEXT_LOST               0x300E
/* 0x300F - 0x301F reserved for additional errors. */

/*
** Config attributes
*/
#define EGL_BUFFER_SIZE                0x3020
#define EGL_ALPHA_SIZE                 0x3021
#define EGL_BLUE_SIZE                  0x3022
#define EGL_GREEN_SIZE                 0x3023
#define EGL_RED_SIZE                   0x3024
#define EGL_DEPTH_SIZE                 0x3025
#define EGL_STENCIL_SIZE               0x3026
#define EGL_CONFIG_CAVEAT              0x3027
#define EGL_CONFIG_ID                  0x3028
#define EGL_LEVEL                      0x3029
#define EGL_MAX_PBUFFER_HEIGHT         0x302A
#define EGL_MAX_PBUFFER_PIXELS         0x302B
#define EGL_MAX_PBUFFER_WIDTH          0x302C
#define EGL_NATIVE_RENDERABLE          0x302D
#define EGL_NATIVE_VISUAL_ID           0x302E
#define EGL_NATIVE_VISUAL_TYPE         0x302F
#define EGL_PRESERVED_RESOURCES        0x3030
#define EGL_SAMPLES                    0x3031
#define EGL_SAMPLE_BUFFERS             0x3032
#define EGL_SURFACE_TYPE               0x3033
#define EGL_TRANSPARENT_TYPE           0x3034
#define EGL_TRANSPARENT_BLUE_VALUE     0x3035
#define EGL_TRANSPARENT_GREEN_VALUE    0x3036
#define EGL_TRANSPARENT_RED_VALUE      0x3037
#define EGL_NONE                       0x3038   /* Also a config value */
#define EGL_BIND_TO_TEXTURE_RGB        0x3039
#define EGL_BIND_TO_TEXTURE_RGBA       0x303A
#define EGL_MIN_SWAP_INTERVAL          0x303B
#define EGL_MAX_SWAP_INTERVAL          0x303C
#define EGL_LUMINANCE_SIZE             0x303D
#define EGL_ALPHA_MASK_SIZE            0x303E
#define EGL_COLOR_BUFFER_TYPE          0x303F
#define EGL_RENDERABLE_TYPE            0x3040

/*
** Config values
*/
#define EGL_DONT_CARE                  ((EGLint) -1)

#define EGL_SLOW_CONFIG                0x3050   /* EGL_CONFIG_CAVEAT value */
#define EGL_NON_CONFORMANT_CONFIG      0x3051   /* " */
#define EGL_TRANSPARENT_RGB	           0x3052   /* EGL_TRANSPARENT_TYPE value */
#define EGL_RGB_BUFFER                 0x308E   /* EGL_COLOR_BUFFER_TYPE value */
#define EGL_LUMINANCE_BUFFER           0x308F   /* EGL_COLOR_BUFFER_TYPE value */
#define EGL_NO_TEXTURE                 0x305C   /* EGL_TEXTURE_FORMAT/TARGET value */
#define EGL_TEXTURE_RGB                0x305D   /* EGL_TEXTURE_FORMAT value */
#define EGL_TEXTURE_RGBA               0x305E   /* " */
#define EGL_TEXTURE_2D                 0x305F   /* EGL_TEXTURE_TARGET value */

/*
** Config attribute mask bits
*/
#define EGL_PBUFFER_BIT                0x01   /* EGL_SURFACE_TYPE mask bits */
#define EGL_PIXMAP_BIT                 0x02   /* EGL_SURFACE_TYPE mask bits */
#define EGL_WINDOW_BIT                 0x04   /* EGL_SURFACE_TYPE mask bits */
#define EGL_OPENGL_ES_BIT              0x01   /* EGL_RENDERABLE_TYPE mask bits */
#define EGL_OPENVG_BIT                 0x02   /* EGL_RENDERABLE_TYPE mask bits */

/*
** String names
*/
#define EGL_VENDOR                     0x3053
#define EGL_VERSION                    0x3054
#define EGL_EXTENSIONS                 0x3055
#define EGL_CLIENT_APIS                0x308D

/*
** Surface attributes
*/
#define EGL_HEIGHT                     0x3056
#define EGL_WIDTH                      0x3057
#define EGL_LARGEST_PBUFFER            0x3058
#define EGL_TEXTURE_FORMAT             0x3080   /* For pbuffers bound as textures */
#define EGL_TEXTURE_TARGET             0x3081   /* " */
#define EGL_MIPMAP_TEXTURE             0x3082   /* " */
#define EGL_MIPMAP_LEVEL               0x3083   /* " */
#define EGL_RENDER_BUFFER              0x3086
#define EGL_COLORSPACE                 0x3087
#define EGL_ALPHA_FORMAT               0x3088
#define EGL_HORIZONTAL_RESOLUTION      0x3090
#define EGL_VERTICAL_RESOLUTION        0x3091
#define EGL_PIXEL_ASPECT_RATIO         0x3092
#define EGL_SWAP_BEHAVIOR              0x3093

/* EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets */
#define EGL_BACK_BUFFER                0x3084
#define EGL_SINGLE_BUFFER              0x3085

/* OpenVG color spaces */
#define EGL_COLORSPACE_sRGB            0x3089   /* EGL_COLORSPACE value */
#define EGL_COLORSPACE_LINEAR          0x308A   /* EGL_COLORSPACE value */

/* OpenVG alpha formats */
#define EGL_ALPHA_FORMAT_NONPRE        0x308B   /* EGL_ALPHA_FORMAT value */
#define EGL_ALPHA_FORMAT_PRE           0x308C   /* EGL_ALPHA_FORMAT value */

/* Constant scale factor by which fractional display resolutions &
 * aspect ratio are scaled when queried as integer values.
 */
#define EGL_DISPLAY_SCALING            10000

/* Unknown display resolution/aspect ratio */
#define EGL_UNKNOWN                    ((EGLint)-1)

/* Back buffer swap behaviors */
#define EGL_BUFFER_PRESERVED           0x3094   /* EGL_SWAP_BEHAVIOR value */
#define EGL_BUFFER_DESTROYED           0x3095   /* EGL_SWAP_BEHAVIOR value */

/* CreatePbufferFromClientBuffer buffer types */
#define EGL_OPENVG_IMAGE               0x3096

/* QueryContext targets */
#define EGL_CONTEXT_CLIENT_TYPE        0x3097

/* BindAPI/QueryAPI targets */
#define EGL_OPENGL_ES_API              0x30A0
#define EGL_OPENVG_API                 0x30A1

/*
** Current surfaces
*/
#define EGL_DRAW                       0x3059
#define EGL_READ                       0x305A

/*
** Engines
*/
#define EGL_CORE_NATIVE_ENGINE         0x305B

/* 0x305C-0x3FFFF reserved for future use */

/*
** Functions
*/
#ifdef __cplusplus
extern "C" {
#endif

EGLAPI EGLint EGL_APIENTRY eglGetError (void);

EGLAPI EGLDisplay EGL_APIENTRY eglGetDisplay (NativeDisplayType display_id);
EGLAPI EGLBoolean EGL_APIENTRY eglInitialize (EGLDisplay dpy, EGLint *major, EGLint *minor);
EGLAPI EGLBoolean EGL_APIENTRY eglTerminate (EGLDisplay dpy);
EGLAPI const char * EGL_APIENTRY eglQueryString (EGLDisplay dpy, EGLint name);
#ifdef __cplusplus
EGLAPI void (* EGL_APIENTRY eglGetProcAddress (const char *procname))(...);
#else
EGLAPI void (* EGL_APIENTRY eglGetProcAddress (const char *procname))();
#endif

EGLAPI EGLBoolean EGL_APIENTRY eglGetConfigs (EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
EGLAPI EGLBoolean EGL_APIENTRY eglChooseConfig (EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
EGLAPI EGLBoolean EGL_APIENTRY eglGetConfigAttrib (EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);

EGLAPI EGLSurface EGL_APIENTRY eglCreateWindowSurface (EGLDisplay dpy, EGLConfig config, NativeWindowType win, const EGLint *attrib_list);
EGLAPI EGLSurface EGL_APIENTRY eglCreatePixmapSurface (EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list);
EGLAPI EGLSurface EGL_APIENTRY eglCreatePbufferSurface (EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
EGLAPI EGLBoolean EGL_APIENTRY eglDestroySurface (EGLDisplay dpy, EGLSurface surface);
EGLAPI EGLBoolean EGL_APIENTRY eglQuerySurface (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);

/* EGL 1.1 render-to-texture APIs */
EGLAPI EGLBoolean EGL_APIENTRY eglSurfaceAttrib (EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
EGLAPI EGLBoolean EGL_APIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLAPI EGLBoolean EGL_APIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);

/* EGL 1.1 swap control API */
EGLAPI EGLBoolean EGL_APIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);

EGLAPI EGLContext EGL_APIENTRY eglCreateContext (EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
EGLAPI EGLBoolean EGL_APIENTRY eglDestroyContext (EGLDisplay dpy, EGLContext ctx);
EGLAPI EGLBoolean EGL_APIENTRY eglMakeCurrent (EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
EGLAPI EGLContext EGL_APIENTRY eglGetCurrentContext (void);
EGLAPI EGLSurface EGL_APIENTRY eglGetCurrentSurface (EGLint readdraw);
EGLAPI EGLDisplay EGL_APIENTRY eglGetCurrentDisplay (void);
EGLAPI EGLBoolean EGL_APIENTRY eglQueryContext (EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);

EGLAPI EGLBoolean EGL_APIENTRY eglWaitGL (void);
EGLAPI EGLBoolean EGL_APIENTRY eglWaitNative (EGLint engine);
EGLAPI EGLBoolean EGL_APIENTRY eglSwapBuffers (EGLDisplay dpy, EGLSurface surface);
EGLAPI EGLBoolean EGL_APIENTRY eglCopyBuffers (EGLDisplay dpy, EGLSurface surface, NativePixmapType target);

EGLAPI EGLSurface EGL_APIENTRY eglCreatePbufferFromClientBuffer (EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list);
EGLAPI EGLBoolean EGL_APIENTRY eglWaitClient (void);
EGLAPI EGLBoolean EGL_APIENTRY eglBindAPI (EGLenum api);
EGLAPI EGLenum EGL_APIENTRY eglQueryAPI (void);
EGLAPI EGLBoolean EGL_APIENTRY eglReleaseThread (void);

#ifdef __cplusplus
}
#endif

#endif /* ___egl_h_ */