Differential D643 Diff 2142 source/blender/gpu/GPU_glew.h

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source/blender/gpu/GPU_glew.h

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				/*
				* *** BEGIN GPL LICENSE BLOCK ***
				*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*
				* The Original Code is Copyright (C) 2012 Blender Foundation.
				* All rights reserved.
				*
				* The Original Code is: all of this file.
				*
				* Contributor(s): Jason Wilkins.
				*
				* *** END GPL LICENSE BLOCK ***
				*/

				/** \file source/blender/gpu/GPU_glew.h
				* \ingroup gpu
				*/

				#ifndef _GPU_GLEW_H_
				#define _GPU_GLEW_H_

				#include "glew-mx.h"



				/*
				The following section is for any simple stuff that is missing from GLEW when
				compiled with either the GLEW_ES_ONLY or the GLEW_NO_ES flag.

				Should limit this to simple things.
				More complex version shims should be placed elsewhere.

				Also, only put in stuff as it is needed.
				*/



				#if defined(GLEW_ES_ONLY)



				/* ES does not support the GLdouble type. */
				#ifndef GLdouble
				#define GLdouble double
				#endif



				/*
				Need stubs for these version checks if compiling with only ES support.
				Rely on compiler to eliminate unreachable code when version checks become constants.
				*/

				#ifndef GLEW_VERSION_1_1
				#define GLEW_VERSION_1_1 0
				#endif

				#ifndef GLEW_VERSION_1_2
				#define GLEW_VERSION_1_2 0
				#endif

				#ifndef GLEW_VERSION_1_3
				#define GLEW_VERSION_1_3 0
				#endif

				#ifndef GLEW_VERSION_1_4
				#define GLEW_VERSION_1_4 0
				#endif

				#ifndef GLEW_VERSION_1_5
				#define GLEW_VERSION_1_5 0
				#endif

				#ifndef GLEW_VERSION_2_0
				#define GLEW_VERSION_2_0 0
				#endif

				#ifndef GLEW_VERSION_3_0
				#define GLEW_VERSION_3_0 0
				#endif

				#ifndef GLEW_ARB_shader_objects
				#define GLEW_ARB_shader_objects 0
				#endif

				#ifndef GLEW_ARB_vertex_shader
				#define GLEW_ARB_vertex_shader 0
				#endif

				#ifndef GLEW_ARB_vertex_program
				#define GLEW_ARB_vertex_program 0
				#endif

				#ifndef GLEW_ARB_fragment_program
				#define GLEW_ARB_fragment_program 0
				#endif

				#ifndef GLEW_ARB_vertex_buffer_object
				#define GLEW_ARB_vertex_buffer_object 0
				#endif

				#ifndef GLEW_ARB_framebuffer_object
				#define GLEW_ARB_framebuffer_object 0
				#endif

				#ifndef GLEW_ARB_multitexture
				#define GLEW_ARB_multitexture 0
				#endif

				#ifndef GLEW_EXT_framebuffer_object
				#define GLEW_EXT_framebuffer_object 0
				#endif

				#ifndef GLEW_ARB_depth_texture
				#define GLEW_ARB_depth_texture 0
				#endif

				#ifndef GLEW_ARB_shadow
				#define GLEW_ARB_shadow 0
				#endif

				#ifndef GLEW_ARB_texture_float
				#define GLEW_ARB_texture_float 0
				#endif

				#ifndef GLEW_ARB_texture_non_power_of_two
				#define GLEW_ARB_texture_non_power_of_two 0
				#endif

				#ifndef GLEW_ARB_texture3D
				#define GLEW_ARB_texture3D 0
				#endif

				#ifndef GLEW_EXT_texture3D
				#define GLEW_EXT_texture3D 0
				#endif

				#ifndef GLEW_ARB_texture_rg
				#define GLEW_ARB_texture_rg 0
				#endif

				#ifndef GLEW_ARB_texture_query_lod
				#define GLEW_ARB_texture_query_lod 0
				#endif



				/*
				The following symbolic constants are missing from an ES only header,
				so alias them to their (same valued) extension versions which are available in the header.

				Be careful that this does not lead to unguarded use of what are extensions in ES!

				Some of these may be here simply to patch inconsistencies in the header files.
				*/

				// XXX jwilkins: need to check ALL of these to make sure you didn't cover an unguarded use of an extension/version

				#ifndef GL_TEXTURE_3D
				#define GL_TEXTURE_3D GL_TEXTURE_3D_OES
				#endif

				#ifndef glTexImage3D
				#define glTexImage3D glTexImage3DOES
				#endif

				#ifndef glTexSubImage3D
				#define glTexSubImage3D glTexSubImage3DOES
				#endif

				#ifndef GL_TEXTURE_WRAP_R
				#define GL_TEXTURE_WRAP_R GL_TEXTURE_WRAP_R_OES
				#endif

				#ifndef GL_TEXTURE_COMPARE_MODE
				#define GL_TEXTURE_COMPARE_MODE GL_TEXTURE_COMPARE_MODE_EXT
				#endif

				#ifndef GL_COMPARE_REF_TO_TEXTURE
				#define GL_COMPARE_REF_TO_TEXTURE GL_COMPARE_REF_TO_TEXTURE_EXT
				#endif

				#ifndef GL_TEXTURE_COMPARE_FUNC
				#define GL_TEXTURE_COMPARE_FUNC GL_TEXTURE_COMPARE_FUNC_EXT
				#endif

				#ifndef GL_RGBA8
				#define GL_RGBA8 GL_RGBA8_OES
				#endif

				#ifndef GL_RGBA16F
				#define GL_RGBA16F GL_RGBA16F_EXT
				#endif

				#ifndef GL_RG32F
				#define GL_RG32F GL_RG32F_EXT
				#endif

				#ifndef GL_RGB8
				#define GL_RGB8 GL_RGB8_OES
				#endif

				#ifndef GL_RG
				#define GL_RG GL_RG_EXT
				#endif

				#ifndef GL_RED
				#define GL_RED GL_RED_EXT
				#endif

				#ifndef GL_FRAMEBUFFER_INCOMPLETE_FORMATS
				#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_OES
				#endif

				#ifndef GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER
				#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_OES
				#endif

				#ifndef GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER
				#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_OES
				#endif

				#ifndef GL_WRITE_ONLY
				#define GL_WRITE_ONLY GL_WRITE_ONLY_OES
				#endif

				#ifndef GLEW_ARB_vertex_array_object
				#define GLEW_ARB_vertex_array_object 0
				#endif



				/* end of defined(GLEW_ES_ONLY) */
				#elif defined(GLEW_NO_ES)



				/*
				Need stubs for these version checks if compiling without any support.
				Rely on compiler to eliminate unreachable code when version checks become constants
				*/

				#ifndef GLEW_ES_VERSION_2_0
				#define GLEW_ES_VERSION_2_0 0
				#endif

				#ifndef GLEW_EXT_texture_storage
				#define GLEW_EXT_texture_storage 0
				#endif

				#ifndef GLEW_OES_framebuffer_object
				#define GLEW_OES_framebuffer_object 0
				#endif

				#ifndef GLEW_OES_mapbuffer
				#define GLEW_OES_mapbuffer 0
				#endif

				#ifndef GLEW_OES_required_internalformat
				#define GLEW_OES_required_internalformat 0
				#endif

				#ifndef GLEW_EXT_color_buffer_half_float
				#define GLEW_EXT_color_buffer_half_float 0
				#endif

				#ifndef GLEW_OES_depth_texture
				#define GLEW_OES_depth_texture 0
				#endif

				#ifndef GLEW_EXT_shadow_samplers
				#define GLEW_EXT_shadow_samplers 0
				#endif

				#ifndef GLEW_ARB_texture3D
				#define GLEW_ARB_texture3D 0
				#endif

				#ifndef GLEW_OES_texture_3D
				#define GLEW_OES_texture_3D 0
				#endif

				#ifndef GLEW_EXT_texture_rg
				#define GLEW_EXT_texture_rg 0
				#endif

				#ifndef GLEW_OES_vertex_array_object
				#define GLEW_OES_vertex_array_object 0
				#endif



				/*
				The following symbolic constants are missing when there is no ES support,
				so alias them to their (same valued) extension versions which are available in the header.

				Desktop GL typically does not have any extensions that originated from ES,
				unlike ES which has many extensions to replace what was taken out.

				For that reason these aliases are more likely just patching inconsistencies in the header files.
				*/

				#ifndef GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS
				#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT
				#endif

				#ifndef GL_FRAMEBUFFER_INCOMPLETE_FORMATS
				#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT
				#endif

				#endif /* defined(GLEW_NO_ES) */




				#endif /* _GPU_GLEW_H_ */