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leocad/common/opengl.h
leo 1bd17a3394 Fixes for Qt 4.8 on OSX.
2013-08-10 04:03:29 +00:00

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#ifndef _OPENGL_H_
#define _OPENGL_H_
class lcGLWidget;
void GL_InitializeSharedExtensions(lcGLWidget* Window);
bool GL_ExtensionSupported(const GLubyte* Extensions, const char* Name);
extern bool GL_SupportsVertexBufferObject;
extern bool GL_UseVertexBufferObject;
extern bool GL_SupportsFramebufferObject;
inline void GL_DisableVertexBufferObject()
{
GL_UseVertexBufferObject = false;
}
inline void GL_EnableVertexBufferObject()
{
GL_UseVertexBufferObject = GL_SupportsVertexBufferObject;
}
inline bool GL_HasVertexBufferObject()
{
return GL_UseVertexBufferObject;
}
inline bool GL_HasFramebufferObject()
{
return GL_SupportsFramebufferObject;
}
bool GL_BeginRenderToTexture(int Width, int Height);
void GL_EndRenderToTexture();
#ifndef GL_VERSION_1_4
#define GL_BLEND_DST_RGB 0x80C8
#define GL_BLEND_SRC_RGB 0x80C9
#define GL_BLEND_DST_ALPHA 0x80CA
#define GL_BLEND_SRC_ALPHA 0x80CB
#define GL_POINT_FADE_THRESHOLD_SIZE 0x8128
#define GL_DEPTH_COMPONENT16 0x81A5
#define GL_DEPTH_COMPONENT24 0x81A6
#define GL_DEPTH_COMPONENT32 0x81A7
#define GL_MIRRORED_REPEAT 0x8370
#define GL_MAX_TEXTURE_LOD_BIAS 0x84FD
#define GL_TEXTURE_LOD_BIAS 0x8501
#define GL_INCR_WRAP 0x8507
#define GL_DECR_WRAP 0x8508
#define GL_TEXTURE_DEPTH_SIZE 0x884A
#define GL_TEXTURE_COMPARE_MODE 0x884C
#define GL_TEXTURE_COMPARE_FUNC 0x884D
#define GL_POINT_SIZE_MIN 0x8126
#define GL_POINT_SIZE_MAX 0x8127
#define GL_POINT_DISTANCE_ATTENUATION 0x8129
#define GL_GENERATE_MIPMAP 0x8191
#define GL_GENERATE_MIPMAP_HINT 0x8192
#define GL_FOG_COORDINATE_SOURCE 0x8450
#define GL_FOG_COORDINATE 0x8451
#define GL_FRAGMENT_DEPTH 0x8452
#define GL_CURRENT_FOG_COORDINATE 0x8453
#define GL_FOG_COORDINATE_ARRAY_TYPE 0x8454
#define GL_FOG_COORDINATE_ARRAY_STRIDE 0x8455
#define GL_FOG_COORDINATE_ARRAY_POINTER 0x8456
#define GL_FOG_COORDINATE_ARRAY 0x8457
#define GL_COLOR_SUM 0x8458
#define GL_CURRENT_SECONDARY_COLOR 0x8459
#define GL_SECONDARY_COLOR_ARRAY_SIZE 0x845A
#define GL_SECONDARY_COLOR_ARRAY_TYPE 0x845B
#define GL_SECONDARY_COLOR_ARRAY_STRIDE 0x845C
#define GL_SECONDARY_COLOR_ARRAY_POINTER 0x845D
#define GL_SECONDARY_COLOR_ARRAY 0x845E
#define GL_TEXTURE_FILTER_CONTROL 0x8500
#define GL_DEPTH_TEXTURE_MODE 0x884B
#define GL_COMPARE_R_TO_TEXTURE 0x884E
#endif
#include <stddef.h>
#ifndef GL_VERSION_1_5
// GL types for handling large vertex buffer objects
typedef ptrdiff_t GLintptr;
typedef ptrdiff_t GLsizeiptr;
#endif
#ifndef GL_ARB_vertex_buffer_object
// GL types for handling large vertex buffer objects
typedef ptrdiff_t GLintptrARB;
typedef ptrdiff_t GLsizeiptrARB;
#endif
#ifndef GL_ARB_vertex_buffer_object
#define GL_BUFFER_SIZE_ARB 0x8764
#define GL_BUFFER_USAGE_ARB 0x8765
#define GL_ARRAY_BUFFER_ARB 0x8892
#define GL_ELEMENT_ARRAY_BUFFER_ARB 0x8893
#define GL_ARRAY_BUFFER_BINDING_ARB 0x8894
#define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
#define GL_VERTEX_ARRAY_BUFFER_BINDING_ARB 0x8896
#define GL_NORMAL_ARRAY_BUFFER_BINDING_ARB 0x8897
#define GL_COLOR_ARRAY_BUFFER_BINDING_ARB 0x8898
#define GL_INDEX_ARRAY_BUFFER_BINDING_ARB 0x8899
#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB 0x889A
#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB 0x889B
#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB 0x889C
#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB 0x889D
#define GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB 0x889E
#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB 0x889F
#define GL_READ_ONLY_ARB 0x88B8
#define GL_WRITE_ONLY_ARB 0x88B9
#define GL_READ_WRITE_ARB 0x88BA
#define GL_BUFFER_ACCESS_ARB 0x88BB
#define GL_BUFFER_MAPPED_ARB 0x88BC
#define GL_BUFFER_MAP_POINTER_ARB 0x88BD
#define GL_STREAM_DRAW_ARB 0x88E0
#define GL_STREAM_READ_ARB 0x88E1
#define GL_STREAM_COPY_ARB 0x88E2
#define GL_STATIC_DRAW_ARB 0x88E4
#define GL_STATIC_READ_ARB 0x88E5
#define GL_STATIC_COPY_ARB 0x88E6
#define GL_DYNAMIC_DRAW_ARB 0x88E8
#define GL_DYNAMIC_READ_ARB 0x88E9
#define GL_DYNAMIC_COPY_ARB 0x88EA
#endif
#ifndef APIENTRY
#define APIENTRY
#endif
// GL_ARB_vertex_buffer_object
typedef void (APIENTRY *GLBINDBUFFERARBPROC) (GLenum target, GLuint buffer);
typedef void (APIENTRY *GLDELETEBUFFERSARBPROC) (GLsizei n, const GLuint *buffers);
typedef void (APIENTRY *GLGENBUFFERSARBPROC) (GLsizei n, GLuint *buffers);
typedef GLboolean (APIENTRY *GLISBUFFERARBPROC) (GLuint buffer);
typedef void (APIENTRY *GLBUFFERDATAARBPROC) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
typedef void (APIENTRY *GLBUFFERSUBDATAARBPROC) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
typedef void (APIENTRY *GLGETBUFFERSUBDATAARBPROC) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, GLvoid *data);
typedef GLvoid* (APIENTRY *GLMAPBUFFERARBPROC) (GLenum target, GLenum access);
typedef GLboolean (APIENTRY *GLUNMAPBUFFERARBPROC) (GLenum target);
typedef void (APIENTRY *GLGETBUFFERPARAMETERIVARBPROC) (GLenum target, GLenum pname, GLint *params);
typedef void (APIENTRY *GLGETBUFFERPOINTERVARBPROC) (GLenum target, GLenum pname, GLvoid* *params);
#ifndef GL_ARB_multisample
#define GL_ARB_multisample 1
#define GL_MULTISAMPLE_ARB 0x809D
#endif
#ifndef GL_ARB_framebuffer_object
#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210
#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211
#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212
#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213
#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214
#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215
#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216
#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217
#define GL_FRAMEBUFFER_DEFAULT 0x8218
#define GL_FRAMEBUFFER_UNDEFINED 0x8219
#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
#define GL_MAX_RENDERBUFFER_SIZE 0x84E8
#define GL_DEPTH_STENCIL 0x84F9
#define GL_UNSIGNED_INT_24_8 0x84FA
#define GL_DEPTH24_STENCIL8 0x88F0
#define GL_TEXTURE_STENCIL_SIZE 0x88F1
#define GL_TEXTURE_RED_TYPE 0x8C10
#define GL_TEXTURE_GREEN_TYPE 0x8C11
#define GL_TEXTURE_BLUE_TYPE 0x8C12
#define GL_TEXTURE_ALPHA_TYPE 0x8C13
#define GL_TEXTURE_DEPTH_TYPE 0x8C16
#define GL_UNSIGNED_NORMALIZED 0x8C17
#define GL_FRAMEBUFFER_BINDING 0x8CA6
#define GL_DRAW_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING
#define GL_RENDERBUFFER_BINDING 0x8CA7
#define GL_READ_FRAMEBUFFER 0x8CA8
#define GL_DRAW_FRAMEBUFFER 0x8CA9
#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA
#define GL_RENDERBUFFER_SAMPLES 0x8CAB
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0
#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3
#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4
#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6
#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7
#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB
#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC
#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD
#define GL_MAX_COLOR_ATTACHMENTS 0x8CDF
#define GL_COLOR_ATTACHMENT0 0x8CE0
#define GL_COLOR_ATTACHMENT1 0x8CE1
#define GL_COLOR_ATTACHMENT2 0x8CE2
#define GL_COLOR_ATTACHMENT3 0x8CE3
#define GL_COLOR_ATTACHMENT4 0x8CE4
#define GL_COLOR_ATTACHMENT5 0x8CE5
#define GL_COLOR_ATTACHMENT6 0x8CE6
#define GL_COLOR_ATTACHMENT7 0x8CE7
#define GL_COLOR_ATTACHMENT8 0x8CE8
#define GL_COLOR_ATTACHMENT9 0x8CE9
#define GL_COLOR_ATTACHMENT10 0x8CEA
#define GL_COLOR_ATTACHMENT11 0x8CEB
#define GL_COLOR_ATTACHMENT12 0x8CEC
#define GL_COLOR_ATTACHMENT13 0x8CED
#define GL_COLOR_ATTACHMENT14 0x8CEE
#define GL_COLOR_ATTACHMENT15 0x8CEF
#define GL_DEPTH_ATTACHMENT 0x8D00
#define GL_STENCIL_ATTACHMENT 0x8D20
#define GL_FRAMEBUFFER 0x8D40
#define GL_RENDERBUFFER 0x8D41
#define GL_RENDERBUFFER_WIDTH 0x8D42
#define GL_RENDERBUFFER_HEIGHT 0x8D43
#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44
#define GL_STENCIL_INDEX1 0x8D46
#define GL_STENCIL_INDEX4 0x8D47
#define GL_STENCIL_INDEX8 0x8D48
#define GL_STENCIL_INDEX16 0x8D49
#define GL_RENDERBUFFER_RED_SIZE 0x8D50
#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51
#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52
#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53
#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54
#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55
#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56
#define GL_MAX_SAMPLES 0x8D57
#endif
// GL_ARB_framebuffer_object
typedef GLboolean (APIENTRY *GLISRENDERBUFFERARBPROC) (GLuint renderbuffer);
typedef void (APIENTRY *GLBINDRENDERBUFFERARBPROC) (GLenum target, GLuint renderbuffer);
typedef void (APIENTRY *GLDELETERENDERBUFFERSARBPROC) (GLsizei n, const GLuint *renderbuffers);
typedef void (APIENTRY *GLGENRENDERBUFFERSARBPROC) (GLsizei n, GLuint *renderbuffers);
typedef void (APIENTRY *GLRENDERBUFFERSTORAGEARBPROC) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (APIENTRY *GLGETRENDERBUFFERPARAMETERIVARBPROC) (GLenum target, GLenum pname, GLint *params);
typedef GLboolean (APIENTRY *GLISFRAMEBUFFERARBPROC) (GLuint framebuffer);
typedef void (APIENTRY *GLBINDFRAMEBUFFERARBPROC) (GLenum target, GLuint framebuffer);
typedef void (APIENTRY *GLDELETEFRAMEBUFFERSARBPROC) (GLsizei n, const GLuint *framebuffers);
typedef void (APIENTRY *GLGENFRAMEBUFFERSARBPROC) (GLsizei n, GLuint *framebuffers);
typedef GLenum (APIENTRY *GLCHECKFRAMEBUFFERSTATUSARBPROC) (GLenum target);
typedef void (APIENTRY *GLFRAMEBUFFERTEXTURE1DARBPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void (APIENTRY *GLFRAMEBUFFERTEXTURE2DARBPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void (APIENTRY *GLFRAMEBUFFERTEXTURE3DARBPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
typedef void (APIENTRY *GLFRAMEBUFFERRENDERBUFFERARBPROC) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
typedef void (APIENTRY *GLGETFRAMEBUFFERATTACHMENTPARAMETERIVARBPROC) (GLenum target, GLenum attachment, GLenum pname, GLint *params);
typedef void (APIENTRY *GLGENERATEMIPMAPARBPROC) (GLenum target);
typedef void (APIENTRY *GLBLITFRAMEBUFFERARBPROC) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
typedef void (APIENTRY *GLRENDERBUFFERSTORAGEMULTISAMPLEARBPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (APIENTRY *GLFRAMEBUFFERTEXTURELAYERARBPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
extern GLBINDBUFFERARBPROC lcBindBufferARB;
extern GLDELETEBUFFERSARBPROC lcDeleteBuffersARB;
extern GLGENBUFFERSARBPROC lcGenBuffersARB;
extern GLISBUFFERARBPROC lcIsBufferARB;
extern GLBUFFERDATAARBPROC lcBufferDataARB;
extern GLBUFFERSUBDATAARBPROC lcBufferSubDataARB;
extern GLGETBUFFERSUBDATAARBPROC lcGetBufferSubDataARB;
extern GLMAPBUFFERARBPROC lcMapBufferARB;
extern GLUNMAPBUFFERARBPROC lcUnmapBufferARB;
extern GLGETBUFFERPARAMETERIVARBPROC lcGetBufferParameterivARB;
extern GLGETBUFFERPOINTERVARBPROC lcGetBufferPointervARB;
extern GLISRENDERBUFFERARBPROC lcIsRenderbufferARB;
extern GLBINDRENDERBUFFERARBPROC lcBindRenderbufferARB;
extern GLDELETERENDERBUFFERSARBPROC lcDeleteRenderbuffersARB;
extern GLGENRENDERBUFFERSARBPROC lcGenRenderbuffersARB;
extern GLRENDERBUFFERSTORAGEARBPROC lcRenderbufferStorageARB;
extern GLGETRENDERBUFFERPARAMETERIVARBPROC lcGetRenderbufferParameterivARB;
extern GLISFRAMEBUFFERARBPROC lcIsFramebufferARB;
extern GLBINDFRAMEBUFFERARBPROC lcBindFramebufferARB;
extern GLDELETEFRAMEBUFFERSARBPROC lcDeleteFramebuffersARB;
extern GLGENFRAMEBUFFERSARBPROC lcGenFramebuffersARB;
extern GLCHECKFRAMEBUFFERSTATUSARBPROC lcCheckFramebufferStatusARB;
extern GLFRAMEBUFFERTEXTURE1DARBPROC lcFramebufferTexture1DARB;
extern GLFRAMEBUFFERTEXTURE2DARBPROC lcFramebufferTexture2DARB;
extern GLFRAMEBUFFERTEXTURE3DARBPROC lcFramebufferTexture3DARB;
extern GLFRAMEBUFFERRENDERBUFFERARBPROC lcFramebufferRenderbufferARB;
extern GLGETFRAMEBUFFERATTACHMENTPARAMETERIVARBPROC lcGetFramebufferAttachmentParameterivARB;
extern GLGENERATEMIPMAPARBPROC lcGenerateMipmapARB;
extern GLBLITFRAMEBUFFERARBPROC lcBlitFramebufferARB;
extern GLRENDERBUFFERSTORAGEMULTISAMPLEARBPROC lcRenderbufferStorageMultisampleARB;
extern GLFRAMEBUFFERTEXTURELAYERARBPROC lcFramebufferTextureLayerARB;
#define glBindBuffer lcBindBufferARB
#define glDeleteBuffers lcDeleteBuffersARB
#define glGenBuffers lcGenBuffersARB
#define glIsBuffer lcIsBufferARB
#define glBufferData lcBufferDataARB
#define glBufferSubData lcBufferSubDataARB
#define glGetBufferSubData lcGetBufferSubDataARB
#define glMapBuffer lcMapBufferARB
#define glUnmapBuffer lcUnmapBufferARB
#define glGetBufferParameteriv lcGetBufferParameterivARB
#define glGetBufferPointerv lcGetBufferPointervARB
#define glIsRenderbuffer lcIsRenderbufferARB
#define glBindRenderbuffer lcBindRenderbufferARB
#define glDeleteRenderbuffers lcDeleteRenderbuffersARB
#define glGenRenderbuffers lcGenRenderbuffersARB
#define glRenderbufferStorage lcRenderbufferStorageARB
#define glGetRenderbufferParameteriv lcGetRenderbufferParameterivARB
#define glIsFramebuffer lcIsFramebufferARB
#define glBindFramebuffer lcBindFramebufferARB
#define glDeleteFramebuffers lcDeleteFramebuffersARB
#define glGenFramebuffers lcGenFramebuffersARB
#define glCheckFramebufferStatus lcCheckFramebufferStatusARB
#define glFramebufferTexture1D lcFramebufferTexture1DARB
#define glFramebufferTexture2D lcFramebufferTexture2DARB
#define glFramebufferTexture3D lcFramebufferTexture3DARB
#define glFramebufferRenderbuffer lcFramebufferRenderbufferARB
#define glGetFramebufferAttachmentParameteriv lcGetFramebufferAttachmentParameterivARB
#define glGenerateMipmap lcGenerateMipmapARB
#define glBlitFramebuffer lcBlitFramebufferARB
#define glRenderbufferStorageMultisample lcRenderbufferStorageMultisampleARB
#define glFramebufferTextureLayer lcFramebufferTextureLayerARB
#endif // _OPENGL_H_
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