OpenSceneGraph/include/osg/GL2Extensions
2014-12-09 14:57:25 +00:00

976 lines
52 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
* Copyright (C) 2003-2005 3Dlabs Inc. Ltd.
* Copyright (C) 2004-2005 Nathan Cournia
* Copyright (C) 2007 Art Tevs
* Copyright (C) 2008 Zebra Imaging
* Copyright (C) 2010 VIRES Simulationstechnologie GmbH
* Copyright (C) 2012 David Callu
*
* This application is open source and may be redistributed and/or modified
* freely and without restriction, both in commercial and non commercial
* applications, as long as this copyright notice is maintained.
*
* This application 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.
*/
/* file: include/osg/GL2Extensions
* author: Mike Weiblen 2008-01-02
* Holger Helmich 2010-10-21
*/
#ifndef OSG_GL2EXTENSIONS
#define OSG_GL2EXTENSIONS 1
#include <osg/Referenced>
#include <osg/GL>
#include <string>
// identify GLES 1.1
#if (defined(GL_VERSION_ES_CM_1_0) && GL_VERSION_ES_CM_1_0 > 0) || \
(defined(GL_VERSION_ES_CM_1_1) && GL_VERSION_ES_CM_1_1 > 0)
#define OPENGLES_1_1_FOUND 1
#endif
#ifndef GL_SAMPLER_2D_ARRAY_EXT
#define GL_SAMPLER_1D_ARRAY_EXT 0x8DC0
#define GL_SAMPLER_2D_ARRAY_EXT 0x8DC1
#define GL_SAMPLER_1D_ARRAY_SHADOW_EXT 0x8DC3
#define GL_SAMPLER_2D_ARRAY_SHADOW_EXT 0x8DC4
#endif
#if !defined(GL_VERSION_2_0)
typedef char GLchar;
#endif
#if !defined(GL_VERSION_2_0)
#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642
#define GL_VERTEX_PROGRAM_TWO_SIDE 0x8643
#endif
#if !defined(GL_VERSION_2_0) && !defined(GL_ES_VERSION_2_0)
#define GL_VERSION_2_0 1
#define GL_BLEND_EQUATION_RGB GL_BLEND_EQUATION
#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622
#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623
#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624
#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625
#define GL_CURRENT_VERTEX_ATTRIB 0x8626
#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645
#define GL_STENCIL_BACK_FUNC 0x8800
#define GL_STENCIL_BACK_FAIL 0x8801
#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
#define GL_MAX_DRAW_BUFFERS 0x8824
#define GL_DRAW_BUFFER0 0x8825
#define GL_DRAW_BUFFER1 0x8826
#define GL_DRAW_BUFFER2 0x8827
#define GL_DRAW_BUFFER3 0x8828
#define GL_DRAW_BUFFER4 0x8829
#define GL_DRAW_BUFFER5 0x882A
#define GL_DRAW_BUFFER6 0x882B
#define GL_DRAW_BUFFER7 0x882C
#define GL_DRAW_BUFFER8 0x882D
#define GL_DRAW_BUFFER9 0x882E
#define GL_DRAW_BUFFER10 0x882F
#define GL_DRAW_BUFFER11 0x8830
#define GL_DRAW_BUFFER12 0x8831
#define GL_DRAW_BUFFER13 0x8832
#define GL_DRAW_BUFFER14 0x8833
#define GL_DRAW_BUFFER15 0x8834
#define GL_BLEND_EQUATION_ALPHA 0x883D
#define GL_POINT_SPRITE 0x8861
#define GL_COORD_REPLACE 0x8862
#define GL_MAX_VERTEX_ATTRIBS 0x8869
#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A
#define GL_MAX_TEXTURE_COORDS 0x8871
#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
#define GL_FRAGMENT_SHADER 0x8B30
#define GL_VERTEX_SHADER 0x8B31
#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
#define GL_MAX_VARYING_FLOATS 0x8B4B
#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
#define GL_SHADER_TYPE 0x8B4F
#define GL_FLOAT_VEC2 0x8B50
#define GL_FLOAT_VEC3 0x8B51
#define GL_FLOAT_VEC4 0x8B52
#define GL_INT_VEC2 0x8B53
#define GL_INT_VEC3 0x8B54
#define GL_INT_VEC4 0x8B55
#define GL_BOOL 0x8B56
#define GL_BOOL_VEC2 0x8B57
#define GL_BOOL_VEC3 0x8B58
#define GL_BOOL_VEC4 0x8B59
#define GL_FLOAT_MAT2 0x8B5A
#define GL_FLOAT_MAT3 0x8B5B
#define GL_FLOAT_MAT4 0x8B5C
#define GL_DELETE_STATUS 0x8B80
#define GL_COMPILE_STATUS 0x8B81
#define GL_LINK_STATUS 0x8B82
#define GL_VALIDATE_STATUS 0x8B83
#define GL_INFO_LOG_LENGTH 0x8B84
#define GL_ATTACHED_SHADERS 0x8B85
#define GL_ACTIVE_UNIFORMS 0x8B86
#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87
#define GL_SHADER_SOURCE_LENGTH 0x8B88
#define GL_ACTIVE_ATTRIBUTES 0x8B89
#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A
#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B
#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
#define GL_CURRENT_PROGRAM 0x8B8D
#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0
#define GL_LOWER_LEFT 0x8CA1
#define GL_UPPER_LEFT 0x8CA2
#define GL_STENCIL_BACK_REF 0x8CA3
#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4
#define GL_STENCIL_BACK_WRITEMASK 0x8CA5
#define GL_SAMPLER_2D 0x8B5E
#define GL_SAMPLER_CUBE 0x8B60
#endif
#if !defined(GL_SAMPLER_1D)
#define GL_SAMPLER_1D 0x8B5D
#endif
#if !defined(GL_SAMPLER_3D)
#define GL_SAMPLER_3D 0x8B5F
#endif
#if !defined(GL_SAMPLER_1D_SHADOW)
#define GL_SAMPLER_1D_SHADOW 0x8B61
#define GL_SAMPLER_2D_SHADOW 0x8B62
#endif
#ifndef GL_VERSION_2_1
#define GL_VERSION_2_1 1
#define GL_CURRENT_RASTER_SECONDARY_COLOR 0x845F
#define GL_PIXEL_PACK_BUFFER 0x88EB
#define GL_PIXEL_UNPACK_BUFFER 0x88EC
#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED
#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF
#define GL_FLOAT_MAT2x3 0x8B65
#define GL_FLOAT_MAT2x4 0x8B66
#define GL_FLOAT_MAT3x2 0x8B67
#define GL_FLOAT_MAT3x4 0x8B68
#define GL_FLOAT_MAT4x2 0x8B69
#define GL_FLOAT_MAT4x3 0x8B6A
#define GL_SRGB 0x8C40
#define GL_SRGB8 0x8C41
#define GL_SRGB_ALPHA 0x8C42
#define GL_SRGB8_ALPHA8 0x8C43
#define GL_SLUMINANCE_ALPHA 0x8C44
#define GL_SLUMINANCE8_ALPHA8 0x8C45
#define GL_SLUMINANCE 0x8C46
#define GL_SLUMINANCE8 0x8C47
#define GL_COMPRESSED_SRGB 0x8C48
#define GL_COMPRESSED_SRGB_ALPHA 0x8C49
#define GL_COMPRESSED_SLUMINANCE 0x8C4A
#define GL_COMPRESSED_SLUMINANCE_ALPHA 0x8C4B
#endif
#ifndef GL_ARB_framebuffer_sRGB
#define GL_FRAMEBUFFER_SRGB 0x8DB9
#endif
// EXT_geometry_shader4
#ifndef GL_EXT_geometry_shader4
#define GL_GEOMETRY_SHADER_EXT 0x8DD9
#define GL_GEOMETRY_VERTICES_OUT_EXT 0x8DDA
#define GL_GEOMETRY_INPUT_TYPE_EXT 0x8DDB
#define GL_GEOMETRY_OUTPUT_TYPE_EXT 0x8DDC
#define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_EXT 0x8C29
#define GL_MAX_GEOMETRY_VARYING_COMPONENTS_EXT 0x8DDD
#define GL_MAX_VERTEX_VARYING_COMPONENTS_EXT 0x8DDE
#define GL_MAX_VARYING_COMPONENTS_EXT 0x8B4B
#define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_EXT 0x8DDF
#define GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT 0x8DE0
#define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_EXT 0x8DE1
#define GL_LINES_ADJACENCY_EXT 0x000A
#define GL_LINE_STRIP_ADJACENCY_EXT 0x000B
#define GL_TRIANGLES_ADJACENCY_EXT 0x000C
#define GL_TRIANGLE_STRIP_ADJACENCY_EXT 0x000D
#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT 0x8DA8
#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_EXT 0x8DA9
#define GL_FRAMEBUFFER_ATTACHMENT_LAYERED_EXT 0x8DA7
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER_EXT 0x8CD4
#define GL_PROGRAM_POINT_SIZE_EXT 0x8642
#endif
// ARB_tessellation_shader
#ifndef GL_ARB_tessellation_shader
#define GL_PATCHES 0x000E
#define GL_PATCH_VERTICES 0x8E72
#define GL_PATCH_DEFAULT_INNER_LEVEL 0x8E73
#define GL_PATCH_DEFAULT_OUTER_LEVEL 0x8E74
#define GL_MAX_PATCH_VERTICES 0x8E7D
#define GL_MAX_TESS_GEN_LEVEL 0x8E7E
#define GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E7F
#define GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E80
#define GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS 0x8E81
#define GL_MAX_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS 0x8E82
#define GL_MAX_MAX_TESS_CONTROL_OUTPUT_COMPONENTS 0x8E83
#define GL_MAX_MAX_TESS_PATCH_COMPONENTS 0x8E84
#define GL_MAX_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS 0x8E85
#define GL_MAX_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS 0x8E86
#define GL_MAX_MAX_TESS_CONTROL_UNIFORM_BLOCKS 0x8E89
#define GL_MAX_MAX_TESS_EVALUATION_UNIFORM_BLOCKS 0x8E8A
#define GL_MAX_MAX_TESS_CONTROL_INPUT_COMPONENTS 0x886C
#define GL_MAX_MAX_TESS_EVALUATION_INPUT_COMPONENTS 0x886D
#define GL_MAX_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E1E
#define GL_MAX_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E1F
#define GL_TESS_EVALUATION_SHADER 0x8E87
#define GL_TESS_CONTROL_SHADER 0x8E88
#define GL_TESS_CONTROL_OUTPUT_VERTICES 0x8E75
#define GL_TESS_GEN_MODE 0x8E76
#define GL_TESS_GEN_SPACING 0x8E77
#define GL_TESS_GEN_VERTEX_ORDER 0x8E78
#define GL_TESS_GEN_POINT_MODE 0x8E79
#define GL_ISOLINES 0x8E7A
#define GL_FRACTIONAL_ODD 0x8E7B
#define GL_FRACTIONAL_EVEN 0x8E7C
#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER 0x84F0
#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER 0x84F1
#endif
// EXT_gpu_shader4
#ifndef GL_EXT_gpu_shader4
#define GL_SAMPLER_1D_ARRAY_EXT 0x8DC0
#define GL_SAMPLER_2D_ARRAY_EXT 0x8DC1
#define GL_SAMPLER_BUFFER_EXT 0x8DC2
#define GL_SAMPLER_1D_ARRAY_SHADOW_EXT 0x8DC3
#define GL_SAMPLER_2D_ARRAY_SHADOW_EXT 0x8DC4
#define GL_SAMPLER_CUBE_SHADOW_EXT 0x8DC5
#define GL_UNSIGNED_INT_VEC2_EXT 0x8DC6
#define GL_UNSIGNED_INT_VEC3_EXT 0x8DC7
#define GL_UNSIGNED_INT_VEC4_EXT 0x8DC8
#define GL_INT_SAMPLER_1D_EXT 0x8DC9
#define GL_INT_SAMPLER_2D_EXT 0x8DCA
#define GL_INT_SAMPLER_3D_EXT 0x8DCB
#define GL_INT_SAMPLER_CUBE_EXT 0x8DCC
#define GL_INT_SAMPLER_2D_RECT_EXT 0x8DCD
#define GL_INT_SAMPLER_1D_ARRAY_EXT 0x8DCE
#define GL_INT_SAMPLER_2D_ARRAY_EXT 0x8DCF
#define GL_INT_SAMPLER_BUFFER_EXT 0x8DD0
#define GL_UNSIGNED_INT_SAMPLER_1D_EXT 0x8DD1
#define GL_UNSIGNED_INT_SAMPLER_2D_EXT 0x8DD2
#define GL_UNSIGNED_INT_SAMPLER_3D_EXT 0x8DD3
#define GL_UNSIGNED_INT_SAMPLER_CUBE_EXT 0x8DD4
#define GL_UNSIGNED_INT_SAMPLER_2D_RECT_EXT 0x8DD5
#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY_EXT 0x8DD6
#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY_EXT 0x8DD7
#define GL_UNSIGNED_INT_SAMPLER_BUFFER_EXT 0x8DD8
#define GL_MIN_PROGRAM_TEXEL_OFFSET_EXT 0x8904
#define GL_MAX_PROGRAM_TEXEL_OFFSET_EXT 0x8905
#endif
// ARB_uniform_buffer_object
#ifndef GL_ARB_uniform_buffer_object
#define GL_UNIFORM_BUFFER 0x8A11
#define GL_UNIFORM_BUFFER_BINDING 0x8A28
#define GL_UNIFORM_BUFFER_START 0x8A29
#define GL_UNIFORM_BUFFER_SIZE 0x8A2A
#define GL_MAX_VERTEX_UNIFORM_BLOCKS 0x8A2B
#define GL_MAX_GEOMETRY_UNIFORM_BLOCKS 0x8A2C
#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS 0x8A2D
#define GL_MAX_COMBINED_UNIFORM_BLOCKS 0x8A2E
#define GL_MAX_UNIFORM_BUFFER_BINDINGS 0x8A2F
#define GL_MAX_UNIFORM_BLOCK_SIZE 0x8A30
#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31
#define GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS 0x8A32
#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33
#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34
#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH 0x8A35
#define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36
#define GL_UNIFORM_TYPE 0x8A37
#define GL_UNIFORM_SIZE 0x8A38
#define GL_UNIFORM_NAME_LENGTH 0x8A39
#define GL_UNIFORM_BLOCK_INDEX 0x8A3A
#define GL_UNIFORM_OFFSET 0x8A3B
#define GL_UNIFORM_ARRAY_STRIDE 0x8A3C
#define GL_UNIFORM_MATRIX_STRIDE 0x8A3D
#define GL_UNIFORM_IS_ROW_MAJOR 0x8A3E
#define GL_UNIFORM_BLOCK_BINDING 0x8A3F
#define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40
#define GL_UNIFORM_BLOCK_NAME_LENGTH 0x8A41
#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42
#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43
#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44
#define GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER 0x8A45
#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46
#define GL_INVALID_INDEX 0xFFFFFFFFu
#endif
// ARB_get_program_binary
#ifndef GL_ARB_get_program_binary
#define GL_PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257
#define GL_PROGRAM_BINARY_LENGTH 0x8741
#define GL_NUM_PROGRAM_BINARY_FORMATS 0x87FE
#define GL_PROGRAM_BINARY_FORMATS 0x87FF
#endif
// ARB_gpu_shader_fp64
#ifndef GL_ARB_gpu_shader_fp64
#define GL_DOUBLE_VEC2 0x8FFC
#define GL_DOUBLE_VEC3 0x8FFD
#define GL_DOUBLE_VEC4 0x8FFE
#define GL_DOUBLE_MAT2 0x8F46
#define GL_DOUBLE_MAT3 0x8F47
#define GL_DOUBLE_MAT4 0x8F48
#define GL_DOUBLE_MAT2x3 0x8F49
#define GL_DOUBLE_MAT2x4 0x8F4A
#define GL_DOUBLE_MAT3x2 0x8F4B
#define GL_DOUBLE_MAT3x4 0x8F4C
#define GL_DOUBLE_MAT4x2 0x8F4D
#define GL_DOUBLE_MAT4x3 0x8F4E
#endif
// ARB_texture_multisample
#ifndef GL_ARB_texture_multisample
#define GL_SAMPLER_2D_MULTISAMPLE 0x9108
#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109
#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A
#define GL_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910B
#define GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910C
#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910D
#endif
// GL_ARB_shader_image_load_store
#ifndef GL_ARB_shader_image_load_store
#define GL_IMAGE_1D 0x904C
#define GL_IMAGE_2D 0x904D
#define GL_IMAGE_3D 0x904E
#define GL_IMAGE_2D_RECT 0x904F
#define GL_IMAGE_CUBE 0x9050
#define GL_IMAGE_BUFFER 0x9051
#define GL_IMAGE_1D_ARRAY 0x9052
#define GL_IMAGE_2D_ARRAY 0x9053
#define GL_IMAGE_CUBE_MAP_ARRAY 0x9054
#define GL_IMAGE_2D_MULTISAMPLE 0x9055
#define GL_IMAGE_2D_MULTISAMPLE_ARRAY 0x9056
#define GL_INT_IMAGE_1D 0x9057
#define GL_INT_IMAGE_2D 0x9058
#define GL_INT_IMAGE_3D 0x9059
#define GL_INT_IMAGE_2D_RECT 0x905A
#define GL_INT_IMAGE_CUBE 0x905B
#define GL_INT_IMAGE_BUFFER 0x905C
#define GL_INT_IMAGE_1D_ARRAY 0x905D
#define GL_INT_IMAGE_2D_ARRAY 0x905E
#define GL_INT_IMAGE_CUBE_MAP_ARRAY 0x905F
#define GL_INT_IMAGE_2D_MULTISAMPLE 0x9060
#define GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x9061
#define GL_UNSIGNED_INT_IMAGE_1D 0x9062
#define GL_UNSIGNED_INT_IMAGE_2D 0x9063
#define GL_UNSIGNED_INT_IMAGE_3D 0x9064
#define GL_UNSIGNED_INT_IMAGE_2D_RECT 0x9065
#define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066
#define GL_UNSIGNED_INT_IMAGE_BUFFER 0x9067
#define GL_UNSIGNED_INT_IMAGE_1D_ARRAY 0x9068
#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069
#define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A
#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE 0x906B
#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x906C
#endif
#ifndef GL_VERSION_3_1
#define GL_SAMPLER_2D_RECT 0x8B63
#define GL_SAMPLER_2D_RECT_SHADOW 0x8B64
#define GL_SAMPLER_BUFFER 0x8DC2
#define GL_INT_SAMPLER_2D_RECT 0x8DCD
#define GL_INT_SAMPLER_BUFFER 0x8DD0
#define GL_UNSIGNED_INT_SAMPLER_2D_RECT 0x8DD5
#define GL_UNSIGNED_INT_SAMPLER_BUFFER 0x8DD8
#define GL_TEXTURE_BUFFER 0x8C2A
#define GL_MAX_TEXTURE_BUFFER_SIZE 0x8C2B
#define GL_TEXTURE_BINDING_BUFFER 0x8C2C
#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING 0x8C2D
#define GL_TEXTURE_RECTANGLE 0x84F5
#define GL_TEXTURE_BINDING_RECTANGLE 0x84F6
#define GL_PROXY_TEXTURE_RECTANGLE 0x84F7
#define GL_MAX_RECTANGLE_TEXTURE_SIZE 0x84F8
#define GL_RGB_SNORM 0x8F92
#define GL_RGBA_SNORM 0x8F93
#define GL_R8_SNORM 0x8F94
#define GL_RG8_SNORM 0x8F95
#define GL_RGB8_SNORM 0x8F96
#define GL_RGBA8_SNORM 0x8F97
#define GL_R16_SNORM 0x8F98
#define GL_RG16_SNORM 0x8F99
#define GL_RGB16_SNORM 0x8F9A
#define GL_RGBA16_SNORM 0x8F9B
#define GL_SIGNED_NORMALIZED 0x8F9C
#define GL_PRIMITIVE_RESTART 0x8F9D
#define GL_PRIMITIVE_RESTART_INDEX 0x8F9E
#endif
#ifndef GL_RED_SNORM
#define GL_RED_SNORM 0x8F90
#endif
#ifndef GL_RG_SNORM
#define GL_RG_SNORM 0x8F91
#endif
#ifndef GL_VERSION_4_0
#define GL_SAMPLER_CUBE_MAP_ARRAY 0x900C
#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW 0x900D
#define GL_INT_SAMPLER_CUBE_MAP_ARRAY 0x900E
#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY 0x900F
#endif
// ARB_shader_atomic_counters
#ifndef GL_ARB_shader_atomic_counters
#define GL_ATOMIC_COUNTER_BUFFER 0x92C0
#define GL_ATOMIC_COUNTER_BUFFER_BINDING 0x92C1
#define GL_ATOMIC_COUNTER_BUFFER_START 0x92C2
#define GL_ATOMIC_COUNTER_BUFFER_SIZE 0x92C3
#define GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE 0x92C4
#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS 0x92C5
#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES 0x92C6
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER 0x92C7
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER 0x92C8
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER 0x92C9
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER 0x92CA
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER 0x92CB
#define GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS 0x92CC
#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS 0x92CD
#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS 0x92CE
#define GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS 0x92CF
#define GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS 0x92D0
#define GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS 0x92D1
#define GL_MAX_VERTEX_ATOMIC_COUNTERS 0x92D2
#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS 0x92D3
#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS 0x92D4
#define GL_MAX_GEOMETRY_ATOMIC_COUNTERS 0x92D5
#define GL_MAX_FRAGMENT_ATOMIC_COUNTERS 0x92D6
#define GL_MAX_COMBINED_ATOMIC_COUNTERS 0x92D7
#define GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE 0x92D8
#define GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS 0x92DC
#define GL_ACTIVE_ATOMIC_COUNTER_BUFFERS 0x92D9
#define GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX 0x92DA
#define GL_UNSIGNED_INT_ATOMIC_COUNTER 0x92DB
#endif
// ARB_compute_shader
#ifndef GL_ARB_compute_shader
#define GL_COMPUTE_SHADER 0x91B9
#define GL_MAX_COMPUTE_UNIFORM_BLOCKS 0x91BB
#define GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS 0x91BC
#define GL_MAX_COMPUTE_IMAGE_UNIFORMS 0x91BD
#define GL_MAX_COMPUTE_SHARED_MEMORY_SIZE 0x8262
#define GL_MAX_COMPUTE_UNIFORM_COMPONENTS 0x8263
#define GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS 0x8264
#define GL_MAX_COMPUTE_ATOMIC_COUNTERS 0x8265
#define GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS 0x8266
#define GL_MAX_COMPUTE_LOCAL_INVOCATIONS 0x90EB
#define GL_MAX_COMPUTE_WORK_GROUP_COUNT 0x91BE
#define GL_MAX_COMPUTE_WORK_GROUP_SIZE 0x91BF
#define GL_COMPUTE_LOCAL_WORK_SIZE 0x8267
#define GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER 0x90EC
#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER 0x90ED
#define GL_DISPATCH_INDIRECT_BUFFER 0x90EE
#define GL_DISPATCH_INDIRECT_BUFFER_BINDING 0x90EF
#define GL_COMPUTE_SHADER_BIT 0x00000020
#endif
#ifndef GL_ARB_depth_clamp
#define GL_DEPTH_CLAMP 0x864F
#endif
#ifndef GL_ARB_provoking_vertex
#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION 0x8E4C
#define GL_FIRST_VERTEX_CONVENTION 0x8E4D
#define GL_LAST_VERTEX_CONVENTION 0x8E4E
#define GL_PROVOKING_VERTEX 0x8E4F
#endif
#ifndef GL_ARB_seamless_cube_map
#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
#endif
#ifndef GL_VERSION_4_3
#define GL_SHADER_STORAGE_BARRIER_BIT 0x2000
#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES 0x8F39
#define GL_SHADER_STORAGE_BUFFER 0x90D2
#define GL_SHADER_STORAGE_BUFFER_BINDING 0x90D3
#define GL_SHADER_STORAGE_BUFFER_START 0x90D4
#define GL_SHADER_STORAGE_BUFFER_SIZE 0x90D5
#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6
#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7
#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8
#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9
#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA
#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB
#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC
#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD
#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE 0x90DE
#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF
#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001
#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002
#define GL_UNIFORM_BARRIER_BIT 0x00000004
#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008
#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020
#define GL_COMMAND_BARRIER_BIT 0x00000040
#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080
#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100
#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200
#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400
#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800
#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000
#define GL_MAP_READ_BIT 0x0001
#define GL_MAP_WRITE_BIT 0x0002
#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004
#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008
#define GL_MAP_FLUSH_EXPLICIT_BIT 0x0010
#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020
#endif
// for compatibility with gl.h headers that don't support VBO,
//GL_VERSION_1_5 and GL_ARB_vertex_buffer_object provide these types for OpenGL
//all ES versions except GL_OES_VERSION_1_0 provide these types for OpenGL ES
#if !defined(GL_VERSION_1_5) && !defined(GL_ARB_vertex_buffer_object) \
&& !defined(GL_ES_VERSION_2_0) && !defined(OPENGLES_1_1_FOUND)
#if defined(_WIN64)
typedef __int64 GLintptr;
typedef __int64 GLsizeiptr;
#elif defined(__ia64__) || defined(__x86_64__) || defined(__ANDROID__)
typedef long int GLintptr;
typedef long int GLsizeiptr;
#else
typedef int GLintptr;
typedef int GLsizeiptr;
#endif
#endif
namespace osg {
class OSG_EXPORT GL2Extensions : public osg::Referenced
{
public:
GL2Extensions(unsigned int contextID);
/** Function to call to get the extension of a specified context.
* If the Exentsion object for that context has not yet been created then
* and the 'createIfNotInitalized' flag been set to false then returns NULL.
* If 'createIfNotInitalized' is true then the Extensions object is
* automatically created. However, in this case the extension object
* only be created with the graphics context associated with ContextID..*/
static GL2Extensions* Get(unsigned int contextID,bool createIfNotInitalized);
/** allows users to override the extensions across graphics contexts.
* typically used when you have different extensions supported across graphics pipes
* but need to ensure that they all use the same low common denominator extensions.*/
static void Set(unsigned int contextID, GL2Extensions* extensions);
// C++-friendly convenience wrapper methods
GLuint getCurrentProgram() const;
bool getProgramInfoLog( GLuint program, std::string& result ) const;
bool getShaderInfoLog( GLuint shader, std::string& result ) const;
bool getAttribLocation( const char* attribName, GLuint& slot ) const;
bool getFragDataLocation( const char* fragDataName, GLuint& slot) const;
float glVersion;
float glslLanguageVersion;
bool isGlslSupported;
bool isShaderObjectsSupported;
bool isVertexShaderSupported;
bool isFragmentShaderSupported;
bool isLanguage100Supported;
bool isGeometryShader4Supported;
bool areTessellationShadersSupported;
bool isGpuShader4Supported;
bool isUniformBufferObjectSupported;
bool isGetProgramBinarySupported;
bool isGpuShaderFp64Supported;
bool isShaderAtomicCountersSupported;
bool isRectangleSupported;
bool isCubeMapSupported;
void (GL_APIENTRY * glDrawBuffers)(GLsizei n, const GLenum *bufs);
void (GL_APIENTRY * glAttachShader)(GLuint program, GLuint shader);
void (GL_APIENTRY * glBindAttribLocation)(GLuint program, GLuint index, const GLchar *name);
void (GL_APIENTRY * glCompileShader)(GLuint shader);
GLuint (GL_APIENTRY * glCreateProgram)(void);
GLuint (GL_APIENTRY * glCreateShader)(GLenum type);
void (GL_APIENTRY * glDeleteProgram)(GLuint program);
void (GL_APIENTRY * glDeleteObjectARB)(GLuint program);
void (GL_APIENTRY * glDeleteShader)(GLuint shader);
void (GL_APIENTRY * glDetachShader)(GLuint program, GLuint shader);
void (GL_APIENTRY * glDisableVertexAttribArray)(GLuint index);
void (GL_APIENTRY * glEnableVertexAttribArray)(GLuint index);
void (GL_APIENTRY * glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
void (GL_APIENTRY * glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
void (GL_APIENTRY * glGetAttachedShaders)(GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj);
GLint (GL_APIENTRY * glGetAttribLocation)(GLuint program, const GLchar *name);
void (GL_APIENTRY * glGetProgramiv)(GLuint program, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetObjectParameterivARB)(GLuint program, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetProgramInfoLog)(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
void (GL_APIENTRY * glGetInfoLogARB)(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
void (GL_APIENTRY * glGetShaderiv)(GLuint shader, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetShaderInfoLog)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
void (GL_APIENTRY * glGetShaderSource)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
GLint (GL_APIENTRY * glGetUniformLocation)(GLuint program, const GLchar *name);
void (GL_APIENTRY * glGetUniformfv)(GLuint program, GLint location, GLfloat *params);
void (GL_APIENTRY * glGetUniformiv)(GLuint program, GLint location, GLint *params);
void (GL_APIENTRY * glGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
void (GL_APIENTRY * glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
void (GL_APIENTRY * glGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid* *pointer);
GLboolean (GL_APIENTRY * glIsProgram)(GLuint program);
GLboolean (GL_APIENTRY * glIsShader)(GLuint shader);
void (GL_APIENTRY * glLinkProgram)(GLuint program);
void (GL_APIENTRY * glShaderSource)(GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
void (GL_APIENTRY * glUseProgram)(GLuint program);
void (GL_APIENTRY * glUniform1f)(GLint location, GLfloat v0);
void (GL_APIENTRY * glUniform2f)(GLint location, GLfloat v0, GLfloat v1);
void (GL_APIENTRY * glUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
void (GL_APIENTRY * glUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
void (GL_APIENTRY * glUniform1i)(GLint location, GLint v0);
void (GL_APIENTRY * glUniform2i)(GLint location, GLint v0, GLint v1);
void (GL_APIENTRY * glUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
void (GL_APIENTRY * glUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
void (GL_APIENTRY * glUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
void (GL_APIENTRY * glUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
void (GL_APIENTRY * glUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
void (GL_APIENTRY * glUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
void (GL_APIENTRY * glUniform1iv)(GLint location, GLsizei count, const GLint *value);
void (GL_APIENTRY * glUniform2iv)(GLint location, GLsizei count, const GLint *value);
void (GL_APIENTRY * glUniform3iv)(GLint location, GLsizei count, const GLint *value);
void (GL_APIENTRY * glUniform4iv)(GLint location, GLsizei count, const GLint *value);
void (GL_APIENTRY * glUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
void (GL_APIENTRY * glUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
void (GL_APIENTRY * glUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
void (GL_APIENTRY * glValidateProgram)(GLuint program);
void (GL_APIENTRY * glVertexAttrib1d)(GLuint index, GLdouble x);
void (GL_APIENTRY * glVertexAttrib1dv)(GLuint index, const GLdouble *v);
void (GL_APIENTRY * glVertexAttrib1f)(GLuint index, GLfloat x);
void (GL_APIENTRY * glVertexAttrib1fv)(GLuint index, const GLfloat *v);
void (GL_APIENTRY * glVertexAttrib1s)(GLuint index, GLshort x);
void (GL_APIENTRY * glVertexAttrib1sv)(GLuint index, const GLshort *v);
void (GL_APIENTRY * glVertexAttrib2d)(GLuint index, GLdouble x, GLdouble y);
void (GL_APIENTRY * glVertexAttrib2dv)(GLuint index, const GLdouble *v);
void (GL_APIENTRY * glVertexAttrib2f)(GLuint index, GLfloat x, GLfloat y);
void (GL_APIENTRY * glVertexAttrib2fv)(GLuint index, const GLfloat *v);
void (GL_APIENTRY * glVertexAttrib2s)(GLuint index, GLshort x, GLshort y);
void (GL_APIENTRY * glVertexAttrib2sv)(GLuint index, const GLshort *v);
void (GL_APIENTRY * glVertexAttrib3d)(GLuint index, GLdouble x, GLdouble y, GLdouble z);
void (GL_APIENTRY * glVertexAttrib3dv)(GLuint index, const GLdouble *v);
void (GL_APIENTRY * glVertexAttrib3f)(GLuint index, GLfloat x, GLfloat y, GLfloat z);
void (GL_APIENTRY * glVertexAttrib3fv)(GLuint index, const GLfloat *v);
void (GL_APIENTRY * glVertexAttrib3s)(GLuint index, GLshort x, GLshort y, GLshort z);
void (GL_APIENTRY * glVertexAttrib3sv)(GLuint index, const GLshort *v);
void (GL_APIENTRY * glVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
void (GL_APIENTRY * glVertexAttrib4Niv)(GLuint index, const GLint *v);
void (GL_APIENTRY * glVertexAttrib4Nsv)(GLuint index, const GLshort *v);
void (GL_APIENTRY * glVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
void (GL_APIENTRY * glVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
void (GL_APIENTRY * glVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
void (GL_APIENTRY * glVertexAttrib4Nusv)(GLuint index, const GLushort *v);
void (GL_APIENTRY * glVertexAttrib4bv)(GLuint index, const GLbyte *v);
void (GL_APIENTRY * glVertexAttrib4d)(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
void (GL_APIENTRY * glVertexAttrib4dv)(GLuint index, const GLdouble *v);
void (GL_APIENTRY * glVertexAttrib4f)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
void (GL_APIENTRY * glVertexAttrib4fv)(GLuint index, const GLfloat *v);
void (GL_APIENTRY * glVertexAttrib4iv)(GLuint index, const GLint *v);
void (GL_APIENTRY * glVertexAttrib4s)(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w);
void (GL_APIENTRY * glVertexAttrib4sv)(GLuint index, const GLshort *v);
void (GL_APIENTRY * glVertexAttrib4ubv)(GLuint index, const GLubyte *v);
void (GL_APIENTRY * glVertexAttrib4uiv)(GLuint index, const GLuint *v);
void (GL_APIENTRY * glVertexAttrib4usv)(GLuint index, const GLushort *v);
void (GL_APIENTRY * glVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
void (GL_APIENTRY * glVertexAttribDivisor)(GLuint index, GLuint divisor);
void (GL_APIENTRY * glUniformMatrix2x3fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
void (GL_APIENTRY * glUniformMatrix3x2fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
void (GL_APIENTRY * glUniformMatrix2x4fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
void (GL_APIENTRY * glUniformMatrix4x2fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
void (GL_APIENTRY * glUniformMatrix3x4fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
void (GL_APIENTRY * glUniformMatrix4x3fv)( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value );
void (GL_APIENTRY * glProgramParameteri)( GLuint program, GLenum pname, GLint value );
void (GL_APIENTRY * glFramebufferTexture)( GLenum target, GLenum attachment, GLuint texture, GLint level );
void (GL_APIENTRY * glFramebufferTextureLayer)( GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer );
void (GL_APIENTRY * glFramebufferTextureFace)( GLenum target, GLenum attachment, GLuint texture, GLint level, GLenum face );
void (GL_APIENTRY * glPatchParameteri)( GLenum pname, GLint value );
void (GL_APIENTRY * glPatchParameterfv)( GLenum pname, const GLfloat* values );
void (GL_APIENTRY * glGetUniformuiv)( GLuint program, GLint location, GLuint* params );
void (GL_APIENTRY * glBindFragDataLocation)( GLuint program, GLuint color, const GLchar* name );
GLint (GL_APIENTRY * glGetFragDataLocation)( GLuint program, const GLchar* name );
void (GL_APIENTRY * glUniform1ui)( GLint location, GLuint v0 );
void (GL_APIENTRY * glUniform2ui)( GLint location, GLuint v0, GLuint v1 );
void (GL_APIENTRY * glUniform3ui)( GLint location, GLuint v0, GLuint v1, GLuint v2 );
void (GL_APIENTRY * glUniform4ui)( GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3 );
void (GL_APIENTRY * glUniform1uiv)( GLint location, GLsizei count, const GLuint *value );
void (GL_APIENTRY * glUniform2uiv)( GLint location, GLsizei count, const GLuint *value );
void (GL_APIENTRY * glUniform3uiv)( GLint location, GLsizei count, const GLuint *value );
void (GL_APIENTRY * glUniform4uiv)( GLint location, GLsizei count, const GLuint *value );
GLuint (GL_APIENTRY * glGetHandleARB) (GLenum pname);
void (GL_APIENTRY * glGetUniformIndices)(GLuint program, GLsizei uniformCount, const GLchar* *uniformNames, GLuint *uniformIndices);
void (GL_APIENTRY * glGetActiveUniformsiv)(GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetActiveUniformName)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformName);
GLuint (GL_APIENTRY * glGetUniformBlockIndex)(GLuint program, const GLchar *uniformBlockName);
void (GL_APIENTRY * glGetActiveUniformBlockiv)(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetActiveUniformBlockName)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName);
void (GL_APIENTRY * glUniformBlockBinding)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
void (GL_APIENTRY * glGetProgramBinary)(GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary);
void (GL_APIENTRY * glProgramBinary)(GLuint program, GLenum binaryFormat, const GLvoid *binary, GLsizei length);
void (GL_APIENTRY * glUniform1d)(GLint location, GLdouble v0);
void (GL_APIENTRY * glUniform2d)(GLint location, GLdouble v0, GLdouble v1);
void (GL_APIENTRY * glUniform3d)(GLint location, GLdouble v0, GLdouble v1, GLdouble v2);
void (GL_APIENTRY * glUniform4d)(GLint location, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
void (GL_APIENTRY * glUniform1dv)(GLint location, GLsizei count, const GLdouble *value);
void (GL_APIENTRY * glUniform2dv)(GLint location, GLsizei count, const GLdouble *value);
void (GL_APIENTRY * glUniform3dv)(GLint location, GLsizei count, const GLdouble *value);
void (GL_APIENTRY * glUniform4dv)(GLint location, GLsizei count, const GLdouble *value);
void (GL_APIENTRY * glUniformMatrix2dv)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value);
void (GL_APIENTRY * glUniformMatrix3dv)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value);
void (GL_APIENTRY * glUniformMatrix4dv)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value);
void (GL_APIENTRY * glUniformMatrix2x3dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
void (GL_APIENTRY * glUniformMatrix3x2dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
void (GL_APIENTRY * glUniformMatrix2x4dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
void (GL_APIENTRY * glUniformMatrix4x2dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
void (GL_APIENTRY * glUniformMatrix3x4dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
void (GL_APIENTRY * glUniformMatrix4x3dv)( GLint location, GLsizei count, GLboolean transpose, const GLdouble* value );
void (GL_APIENTRY * glGetActiveAtomicCounterBufferiv)( GLuint program, GLuint bufferIndex, GLenum pname, GLint* params );
void (GL_APIENTRY * glDispatchCompute)( GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ );
// Buffer Object extensions
bool isBufferObjectSupported;
bool isPBOSupported;
bool isTBOSupported;
void (GL_APIENTRY * glGenBuffers) (GLsizei n, GLuint *buffers);
void (GL_APIENTRY * glBindBuffer) (GLenum target, GLuint buffer);
void (GL_APIENTRY * glBufferData) (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage);
void (GL_APIENTRY * glBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data);
void (GL_APIENTRY * glDeleteBuffers) (GLsizei n, const GLuint *buffers);
GLboolean (GL_APIENTRY * glIsBuffer) (GLuint buffer);
void (GL_APIENTRY * glGetBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data);
GLvoid* (GL_APIENTRY * glMapBuffer) (GLenum target, GLenum access);
GLvoid* (GL_APIENTRY * glMapBufferRange)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access);
GLboolean (GL_APIENTRY * glUnmapBuffer) (GLenum target);
void (GL_APIENTRY * glGetBufferParameteriv) (GLenum target, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetBufferPointerv) (GLenum target, GLenum pname, GLvoid* *params);
void (GL_APIENTRY * glBindBufferRange) (GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
void (GL_APIENTRY * glBindBufferBase) (GLenum target, GLuint index, GLuint buffer);
void (GL_APIENTRY * glTexBuffer) (GLenum target, GLenum internalFormat, GLuint buffer);
void (GL_APIENTRY * glMemoryBarrier)( GLbitfield barriers );
// BlendFunc extensions
bool isBlendFuncSeparateSupported;
void (GL_APIENTRY * glBlendFuncSeparate) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) ;
void (GL_APIENTRY * glBlendFunci) (GLuint buf, GLenum src, GLenum dst);
void (GL_APIENTRY * glBlendFuncSeparatei) (GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) ;
// Vertex Array extensions
bool isSecondaryColorSupported;
bool isFogCoordSupported;
bool isMultiTexSupported;
bool isOcclusionQuerySupported;
bool isARBOcclusionQuerySupported;
bool isTimerQuerySupported;
bool isARBTimerQuerySupported;
void (GL_APIENTRY * glSecondaryColor3ubv) (const GLubyte* coord);
void (GL_APIENTRY * glSecondaryColor3fv) (const GLfloat* coord);
void (GL_APIENTRY * glFogCoordfv) (const GLfloat* coord);
void (GL_APIENTRY * glMultiTexCoord1f) (GLenum target,GLfloat coord);
void (GL_APIENTRY * glMultiTexCoord1fv) (GLenum target,const GLfloat* coord);
void (GL_APIENTRY * glMultiTexCoord2fv) (GLenum target,const GLfloat* coord);
void (GL_APIENTRY * glMultiTexCoord3fv) (GLenum target,const GLfloat* coord);
void (GL_APIENTRY * glMultiTexCoord4fv) (GLenum target,const GLfloat* coord);
void (GL_APIENTRY * glMultiTexCoord1d) (GLenum target,GLdouble coord);
void (GL_APIENTRY * glMultiTexCoord1dv) (GLenum target,const GLdouble* coord);
void (GL_APIENTRY * glMultiTexCoord2dv) (GLenum target,const GLdouble* coord);
void (GL_APIENTRY * glMultiTexCoord3dv) (GLenum target,const GLdouble* coord);
void (GL_APIENTRY * glMultiTexCoord4dv) (GLenum target,const GLdouble* coord);
// Occlusion Query extensions
void (GL_APIENTRY * glGenOcclusionQueries) ( GLsizei n, GLuint *ids );
void (GL_APIENTRY * glDeleteOcclusionQueries) ( GLsizei n, const GLuint *ids );
GLboolean (GL_APIENTRY * glIsOcclusionQuery) ( GLuint id );
void (GL_APIENTRY * glBeginOcclusionQuery) ( GLuint id );
void (GL_APIENTRY * glEndOcclusionQuery) ();
void (GL_APIENTRY * glGetOcclusionQueryiv) ( GLuint id, GLenum pname, GLint *params );
void (GL_APIENTRY * glGetOcclusionQueryuiv) ( GLuint id, GLenum pname, GLuint *params );
void (GL_APIENTRY * glGetQueryiv) (GLenum target, GLenum pname, GLint *params);
void (GL_APIENTRY * glGenQueries) (GLsizei n, GLuint *ids);
void (GL_APIENTRY * glBeginQuery) (GLenum target, GLuint id);
void (GL_APIENTRY * glEndQuery) (GLenum target);
void (GL_APIENTRY * glQueryCounter) (GLuint id, GLenum target);
GLboolean (GL_APIENTRY * glIsQuery) (GLuint id);
void (GL_APIENTRY * glDeleteQueries) (GLsizei n, const GLuint *ids);
void (GL_APIENTRY * glGetQueryObjectiv) (GLuint id, GLenum pname, GLint *params);
void (GL_APIENTRY * glGetQueryObjectuiv) (GLuint id, GLenum pname, GLuint *params);
void (GL_APIENTRY * glGetQueryObjectui64v) (GLuint id, GLenum pname, GLuint64 *params);
void (GL_APIENTRY * glGetInteger64v) (GLenum pname, GLint64 *params);
// SampleMaski functionality
bool isOpenGL32upported;
bool isTextureMultisampleSupported;
bool isSampleMaskiSupported;
void (GL_APIENTRY * glSampleMaski) (GLuint maskNumber, GLbitfield mask);
// Vertex/Fragment Programs
bool isVertexProgramSupported;
bool isFragmentProgramSupported;
void (GL_APIENTRY * glBindProgram) (GLenum target, GLuint id);
void (GL_APIENTRY * glGenPrograms) (GLsizei n, GLuint *programs);
void (GL_APIENTRY * glDeletePrograms) (GLsizei n, GLuint *programs);
void (GL_APIENTRY * glProgramString) (GLenum target, GLenum format, GLsizei len, const void *string);
void (GL_APIENTRY * glProgramLocalParameter4fv) (GLenum target, GLuint index, const GLfloat *params);
// Texture Extensions
bool isMultiTexturingSupported;
bool isTextureFilterAnisotropicSupported;
bool isTextureSwizzleSupported;
bool isTextureCompressionARBSupported;
bool isTextureCompressionS3TCSupported;
bool isTextureCompressionPVRTC2BPPSupported;
bool isTextureCompressionPVRTC4BPPSupported;
bool isTextureCompressionETCSupported;
bool isTextureCompressionETC2Supported;
bool isTextureCompressionRGTCSupported;
bool isTextureCompressionPVRTCSupported;
bool isTextureMirroredRepeatSupported;
bool isTextureEdgeClampSupported;
bool isTextureBorderClampSupported;
bool isGenerateMipMapSupported;
bool preferGenerateMipmapSGISForPowerOfTwo;
bool isTextureMultisampledSupported;
bool isShadowSupported;
bool isShadowAmbientSupported;
bool isTextureMaxLevelSupported;
GLint maxTextureSize;
bool _isTextureStorageEnabled;
bool isClientStorageSupported;
bool isTextureIntegerEXTSupported;
bool isTextureStorageEnabled;
bool isTexStorage2DSupported() const { return glTexStorage2D != 0; }
bool isCompressedTexImage2DSupported() const { return glCompressedTexImage2D!=0; }
bool isCompressedTexSubImage2DSupported() const { return glCompressedTexSubImage2D!=0; }
bool isBindImageTextureSupported() const { return glBindImageTexture!=0; }
bool isNonPowerOfTwoTextureMipMappedSupported;
bool isNonPowerOfTwoTextureNonMipMappedSupported;
bool isNonPowerOfTwoTextureSupported(GLenum filter) const
{
return (filter==GL_LINEAR || filter==GL_NEAREST) ?
isNonPowerOfTwoTextureNonMipMappedSupported :
isNonPowerOfTwoTextureMipMappedSupported;
}
void (GL_APIENTRY * glTexStorage2D) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
void (GL_APIENTRY * glCompressedTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
void (GL_APIENTRY * glCompressedTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data);
void (GL_APIENTRY * glGetCompressedTexImage) (GLenum target, GLint level, GLvoid *data);
void (GL_APIENTRY * glTexImage2DMultisample) (GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations);
void (GL_APIENTRY * glTexParameterIiv) (GLenum target, GLenum pname, const GLint* data);
void (GL_APIENTRY * glTexParameterIuiv) (GLenum target, GLenum pname, const GLuint* data);
void (GL_APIENTRY * glBindImageTexture) (GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format);
// Texture3D extensions
bool isTexture3DSupported;
bool isTexture3DFast;
GLint maxTexture3DSize;
bool isCompressedTexImage3DSupported() const { return glCompressedTexImage3D!=0; }
bool isCompressedTexSubImage3DSupported() const { return glCompressedTexSubImage3D!=0; }
void (GL_APIENTRY * glTexImage3D) ( GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
void (GL_APIENTRY * glTexSubImage3D) ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
void (GL_APIENTRY * glCopyTexSubImage3D) ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height );
void (GL_APIENTRY * glCompressedTexImage3D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data);
void (GL_APIENTRY * glCompressedTexSubImage3D) ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data );
// Texture2DArray extensions
bool isTexture2DArraySupported;
GLint maxLayerCount;
GLint max2DSize;
// Blending
bool isBlendColorSupported;
bool isBlendEquationSupported;
bool isBlendEquationSeparateSupported;
bool isSGIXMinMaxSupported;
bool isLogicOpSupported;
void (GL_APIENTRY * glBlendColor) (GLclampf red , GLclampf green , GLclampf blue , GLclampf alpha);
void (GL_APIENTRY * glBlendEquation)(GLenum mode);
void (GL_APIENTRY * glBlendEquationSeparate)(GLenum modeRGB, GLenum modeAlpha);
void (GL_APIENTRY * glBlendEquationi)(GLuint buf, GLenum mode);
void (GL_APIENTRY * glBlendEquationSeparatei)(GLuint buf, GLenum modeRGB, GLenum modeAlpha);
// glEnablei/glDisabeli
void (GL_APIENTRY * glEnablei) (GLenum capability, GLuint buf);
void (GL_APIENTRY * glDisablei) (GLenum capability, GLuint buf);
// Stencil
bool isStencilWrapSupported;
bool isStencilTwoSidedSupported;
bool isOpenGL20Supported;
bool isSeparateStencilSupported;
void (GL_APIENTRY * glActiveStencilFace) (GLenum face);
void (GL_APIENTRY * glStencilOpSeparate) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
void (GL_APIENTRY * glStencilMaskSeparate) (GLenum face, GLuint mask);
void (GL_APIENTRY * glStencilFuncSeparate) (GLenum face, GLenum func, GLint ref, GLuint mask);
void (GL_APIENTRY * glStencilFuncSeparateATI) (GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask);
// ColorMask
void (GL_APIENTRY * glColorMaski)(GLuint buf, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
// ClampColor
bool isClampColorSupported;
void (GL_APIENTRY * glClampColor) (GLenum target, GLenum mode);
// PrimitiveRestartIndex
void (GL_APIENTRY * glPrimitiveRestartIndex) ( GLuint index );
// Mutlisample
bool isMultisampleSupported;
bool isMultisampleFilterHintSupported;
void (GL_APIENTRY * glSampleCoverage) (GLclampf value, GLboolean invert);
// Point
bool isPointParametersSupported;
bool isPointSpriteSupported;
bool isPointSpriteCoordOriginSupported;
void (GL_APIENTRY * glPointParameteri) (GLenum pname, GLint param);
void (GL_APIENTRY * glPointParameterf) (GLenum pname, GLfloat param);
void (GL_APIENTRY * glPointParameterfv) (GLenum pname, const GLfloat *params);
};
}
#endif