/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file glesgsg.h
 * @author rdb
 * @date 2009-05-21
 */

#ifndef GLESGSG_H
#define GLESGSG_H

// This header file compiles a GSG for the limited subset of OpenGL that is
// OpenGL ES.

#include "pandabase.h"
#include "config_glesgsg.h"

#define GLP(name) gl##name

// OpenGL ES does not support double-precision.
#define GLPf(name) gl ## name ## f
#define GLPfv(name) gl ## name ## fv

#define CLP(name) GLES##name
#define GLPREFIX_QUOTED "gl"
#define CLASSPREFIX_QUOTED "GLES"
#define GLSYSTEM_NAME "OpenGL ES"
#define CONFIGOBJ config_glesgsg
#define GLCAT glesgsg_cat
#define EXPCL_GL EXPCL_PANDAGLES
#define EXPTP_GL EXPTP_PANDAGLES
#ifndef OPENGLES
  #define OPENGLES
#endif
#ifndef OPENGLES_1
  #define OPENGLES_1
#endif
#ifdef OPENGLES_2
  #error OPENGLES_2 should not be defined!
#endif

// OpenGL ES 1 has only the fixed-function pipeline.
#ifndef SUPPORT_FIXED_FUNCTION
#define SUPPORT_FIXED_FUNCTION
#endif

// This prevents glext.h from getting included by gl.h That way, we can
// provide our own, better version.
#define __glext_h_
#define ES1_GLEXT_H_GUARD

#ifdef BUILD_IPHONE
  #include <OpenGLES/ES1/gl.h>
// #include <OpenGLESES1glext.h>
#else
  #include <GLES/gl.h>
// #include <GLESglext.h>
#endif

// Some implementations (Arch Linux) set this in glext.h
typedef char GLchar;

#include "panda_esglext.h"

// This helps to keep the source clean of hundreds of ifdefs.
#define GL_NONE GL_NONE_OES
#define GL_RENDERBUFFER_EXT GL_RENDERBUFFER_OES
#define GL_RENDERBUFFER_RED_SIZE_EXT GL_RENDERBUFFER_RED_SIZE_OES
#define GL_RENDERBUFFER_GREEN_SIZE_EXT GL_RENDERBUFFER_GREEN_SIZE_OES
#define GL_RENDERBUFFER_BLUE_SIZE_EXT GL_RENDERBUFFER_BLUE_SIZE_OES
#define GL_RENDERBUFFER_ALPHA_SIZE_EXT GL_RENDERBUFFER_ALPHA_SIZE_OES
#define GL_RENDERBUFFER_DEPTH_SIZE_EXT GL_RENDERBUFFER_DEPTH_SIZE_OES
#define GL_RENDERBUFFER_STENCIL_SIZE_EXT GL_RENDERBUFFER_STENCIL_SIZE_OES
#define GL_FRAMEBUFFER GL_FRAMEBUFFER_OES
#define GL_FRAMEBUFFER_EXT GL_FRAMEBUFFER_OES
#define GL_DRAW_FRAMEBUFFER_EXT GL_FRAMEBUFFER_OES
#define GL_READ_FRAMEBUFFER_EXT GL_FRAMEBUFFER_OES
#define GL_COLOR_ATTACHMENT0_EXT GL_COLOR_ATTACHMENT0_OES
#define GL_DEPTH_ATTACHMENT_EXT GL_DEPTH_ATTACHMENT_OES
#define GL_STENCIL_ATTACHMENT_EXT GL_STENCIL_ATTACHMENT_OES
#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE_OES
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_OES
#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_OES
#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT GL_FRAMEBUFFER_INCOMPLETE_FORMATS_OES
#define GL_FRAMEBUFFER_UNSUPPORTED_EXT GL_FRAMEBUFFER_UNSUPPORTED_OES
#define GL_DEPTH_COMPONENT GL_DEPTH_COMPONENT24_OES
#define GL_DEPTH_STENCIL GL_DEPTH_STENCIL_OES
#define GL_DEPTH_STENCIL_EXT GL_DEPTH_STENCIL_OES
#define GL_UNSIGNED_INT_24_8_EXT GL_UNSIGNED_INT_24_8_OES
#define GL_DEPTH24_STENCIL8_EXT GL_DEPTH24_STENCIL8_OES
#define GL_DEPTH24_STENCIL8 GL_DEPTH24_STENCIL8_OES
#define GL_DEPTH_COMPONENT16 GL_DEPTH_COMPONENT16_OES
#define GL_DEPTH_COMPONENT24 GL_DEPTH_COMPONENT24_OES
#define GL_DEPTH_COMPONENT32 GL_DEPTH_COMPONENT32_OES
#define GL_TEXTURE_CUBE_MAP GL_TEXTURE_CUBE_MAP_OES
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X GL_TEXTURE_CUBE_MAP_POSITIVE_X_OES
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X GL_TEXTURE_CUBE_MAP_NEGATIVE_X_OES
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y GL_TEXTURE_CUBE_MAP_POSITIVE_Y_OES
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_OES
#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z GL_TEXTURE_CUBE_MAP_POSITIVE_Z_OES
#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_OES
#define GL_MAX_CUBE_MAP_TEXTURE_SIZE GL_MAX_CUBE_MAP_TEXTURE_SIZE_OES
#define GL_MIRRORED_REPEAT GL_MIRRORED_REPEAT_OES
#define GL_RGB5_A1 GL_RGB5_A1_OES
#define GL_RGBA4 GL_RGBA4_OES
#define GL_RGB8 GL_RGB8_OES
#define GL_RGBA8 GL_RGBA8_OES
#define GL_FUNC_ADD GL_FUNC_ADD_OES
#define GL_FUNC_SUBTRACT GL_FUNC_SUBTRACT_OES
#define GL_FUNC_REVERSE_SUBTRACT GL_FUNC_REVERSE_SUBTRACT_OES
#define GL_BGRA GL_BGRA_EXT
#define GL_RGB16F GL_RGB16F_EXT
#define GL_RGBA16F GL_RGBA16F_EXT
#define GL_RGB32F GL_RGB32F_EXT
#define GL_RGBA32F GL_RGBA32F_EXT
#define GL_ALPHA8 GL_ALPHA8_EXT
#define GL_LUMINANCE8 GL_LUMINANCE8_EXT
#define GL_LUMINANCE8_ALPHA8 GL_LUMINANCE8_ALPHA8_EXT
#define GL_MAX_VERTEX_UNITS_ARB GL_MAX_VERTEX_UNITS_OES
#define GL_TEXTURE_MAX_LEVEL GL_TEXTURE_MAX_LEVEL_APPLE

// These aren't technically part of OpenGL ES 1.0, but some implementations
// nonetheless implement it.
#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242
#define GL_DEBUG_TYPE_PERFORMANCE 0x8250
#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
#define GL_DEBUG_SEVERITY_HIGH 0x9146
#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
#define GL_DEBUG_SEVERITY_LOW 0x9148
#define GL_DEBUG_OUTPUT 0x92E0

#define GL_COMPRESSED_R11_EAC 0x9270
#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271
#define GL_COMPRESSED_RG11_EAC 0x9272
#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273
#define GL_COMPRESSED_RGB8_ETC2 0x9274
#define GL_COMPRESSED_SRGB8_ETC2 0x9275
#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279

#undef SUPPORT_IMMEDIATE_MODE
#define APIENTRY
#define APIENTRYP *

#include "glstuff_src.h"

#endif  // GLESGSG_H