Move OpenGL defines, function prototypes and function resolving to a separate file.
Update copyright years. svn path=/branches/work/kwin_composite/; revision=630583
This commit is contained in:
Rivo Laks
parent
66d8c5030b
commit
1cdcd8956f
5 changed files with 390 additions and 335 deletions
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@ -50,6 +50,7 @@ set(kwin_KDEINIT_SRCS
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scene_xrender.cpp
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scene_opengl.cpp
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glutils.cpp
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glutils_funcs.cpp
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deleted.cpp
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effects.cpp
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effects/fadein.cpp
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193
glutils.cpp
193
glutils.cpp
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@ -2,7 +2,7 @@
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Rivo Laks <rivolaks@hot.ee>
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Copyright (C) 2006-2007 Rivo Laks <rivolaks@hot.ee>
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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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@ -13,20 +13,9 @@ License. See the file "COPYING" for the exact licensing terms.
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#include <QHash>
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#include <QFile>
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#include <dlfcn.h>
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#define MAKE_GL_VERSION(major, minor, release) ( ((major) << 16) | ((minor) << 8) | (release) )
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// Resolves given function, using getProcAddress
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#define GL_RESOLVE( function ) function = (function ## _func)getProcAddress( #function );
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// Same as above but tries to use function "backup" if "function" doesn't exist
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// Useful when same functionality is also defined in an extension
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#define GL_RESOLVE_WITH_EXT( function, backup ) \
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function = (function ## _func)getProcAddress( #function ); \
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if( !function ) \
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function = (function ## _func)getProcAddress( #backup );
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namespace KWinInternal
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{
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@ -37,75 +26,11 @@ static int glVersion;
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static int glXVersion;
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// List of all supported GL and GLX extensions
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static QStringList glExtensions;
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int glTextureUnitsCount;
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// Function pointers
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glXGetProcAddress_func glXGetProcAddress;
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// GLX 1.3
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glXQueryDrawable_func glXQueryDrawable;
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// texture_from_pixmap extension functions
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glXReleaseTexImageEXT_func glXReleaseTexImageEXT;
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glXBindTexImageEXT_func glXBindTexImageEXT;
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// glXCopySubBufferMESA
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glXCopySubBuffer_func glXCopySubBuffer;
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// video_sync extension functions
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glXGetVideoSync_func glXGetVideoSync;
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glXWaitVideoSync_func glXWaitVideoSync;
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// glActiveTexture
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glActiveTexture_func glActiveTexture;
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// framebuffer_object extension functions
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glIsRenderbuffer_func glIsRenderbuffer;
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glBindRenderbuffer_func glBindRenderbuffer;
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glDeleteRenderbuffers_func glDeleteRenderbuffers;
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glGenRenderbuffers_func glGenRenderbuffers;
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glRenderbufferStorage_func glRenderbufferStorage;
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glGetRenderbufferParameteriv_func glGetRenderbufferParameteriv;
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glIsFramebuffer_func glIsFramebuffer;
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glBindFramebuffer_func glBindFramebuffer;
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glDeleteFramebuffers_func glDeleteFramebuffers;
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glGenFramebuffers_func glGenFramebuffers;
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glCheckFramebufferStatus_func glCheckFramebufferStatus;
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glFramebufferTexture1D_func glFramebufferTexture1D;
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glFramebufferTexture2D_func glFramebufferTexture2D;
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glFramebufferTexture3D_func glFramebufferTexture3D;
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glFramebufferRenderbuffer_func glFramebufferRenderbuffer;
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glGetFramebufferAttachmentParameteriv_func glGetFramebufferAttachmentParameteriv;
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glGenerateMipmap_func glGenerateMipmap;
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// Shader functions
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glCreateShader_func glCreateShader;
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glShaderSource_func glShaderSource;
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glCompileShader_func glCompileShader;
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glDeleteShader_func glDeleteShader;
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glCreateProgram_func glCreateProgram;
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glAttachShader_func glAttachShader;
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glLinkProgram_func glLinkProgram;
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glUseProgram_func glUseProgram;
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glDeleteProgram_func glDeleteProgram;
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glGetShaderInfoLog_func glGetShaderInfoLog;
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glGetProgramInfoLog_func glGetProgramInfoLog;
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glGetProgramiv_func glGetProgramiv;
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glGetShaderiv_func glGetShaderiv;
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glUniform1f_func glUniform1f;
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glUniform1i_func glUniform1i;
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glUniform1fv_func glUniform1fv;
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glUniform2fv_func glUniform2fv;
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glValidateProgram_func glValidateProgram;
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glGetUniformLocation_func glGetUniformLocation;
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glVertexAttrib1f_func glVertexAttrib1f;
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glGetAttribLocation_func glGetAttribLocation;
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int glTextureUnitsCount;
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// Functions
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static glXFuncPtr getProcAddress( const char* name )
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{
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glXFuncPtr ret = NULL;
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if( glXGetProcAddress != NULL )
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ret = glXGetProcAddress( ( const GLubyte* ) name );
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if( ret == NULL )
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ret = ( glXFuncPtr ) dlsym( RTLD_DEFAULT, name );
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return ret;
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}
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void initGLX()
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{
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// Get GLX version
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@ -116,35 +41,7 @@ void initGLX()
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glExtensions += QString((const char*)glXQueryExtensionsString(
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display(), DefaultScreen( display()))).split(" ");
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// handle OpenGL extensions functions
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glXGetProcAddress = (glXGetProcAddress_func) getProcAddress( "glXGetProcAddress" );
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if( glXGetProcAddress == NULL )
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glXGetProcAddress = (glXGetProcAddress_func) getProcAddress( "glXGetProcAddressARB" );
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glXQueryDrawable = (glXQueryDrawable_func) getProcAddress( "glXQueryDrawable" );
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if( hasGLExtension( "GLX_EXT_texture_from_pixmap" ))
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{
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glXBindTexImageEXT = (glXBindTexImageEXT_func) getProcAddress( "glXBindTexImageEXT" );
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glXReleaseTexImageEXT = (glXReleaseTexImageEXT_func) getProcAddress( "glXReleaseTexImageEXT" );
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}
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else
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{
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glXBindTexImageEXT = NULL;
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glXReleaseTexImageEXT = NULL;
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}
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if( hasGLExtension( "GLX_MESA_copy_sub_buffer" ))
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glXCopySubBuffer = (glXCopySubBuffer_func) getProcAddress( "glXCopySubBufferMESA" );
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else
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glXCopySubBuffer = NULL;
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if( hasGLExtension( "GLX_SGI_video_sync" ))
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{
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glXGetVideoSync = (glXGetVideoSync_func) getProcAddress( "glXGetVideoSyncSGI" );
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glXWaitVideoSync = (glXWaitVideoSync_func) getProcAddress( "glXWaitVideoSyncSGI" );
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}
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else
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{
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glXGetVideoSync = NULL;
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glXWaitVideoSync = NULL;
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}
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glxResolveFunctions();
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}
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void initGL()
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@ -158,89 +55,7 @@ void initGL()
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glExtensions = QString((const char*)glGetString(GL_EXTENSIONS)).split(" ");
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// handle OpenGL extensions functions
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if( hasGLExtension( "GL_ARB_multitexture" ))
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{
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GL_RESOLVE_WITH_EXT( glActiveTexture, glActiveTextureARB );
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// Get number of texture units
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glGetIntegerv(GL_MAX_TEXTURE_UNITS, &glTextureUnitsCount);
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}
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else
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{
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glActiveTexture = NULL;
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glTextureUnitsCount = 0;
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}
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if( hasGLExtension( "GL_EXT_framebuffer_object" ))
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{
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glIsRenderbuffer = (glIsRenderbuffer_func) getProcAddress( "glIsRenderbufferEXT" );
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glBindRenderbuffer = (glBindRenderbuffer_func) getProcAddress( "glBindRenderbufferEXT" );
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glDeleteRenderbuffers = (glDeleteRenderbuffers_func) getProcAddress( "glDeleteRenderbuffersEXT" );
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glGenRenderbuffers = (glGenRenderbuffers_func) getProcAddress( "glGenRenderbuffersEXT" );
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glRenderbufferStorage = (glRenderbufferStorage_func) getProcAddress( "glRenderbufferStorageEXT" );
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glGetRenderbufferParameteriv = (glGetRenderbufferParameteriv_func) getProcAddress( "glGetRenderbufferParameterivEXT" );
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glIsFramebuffer = (glIsFramebuffer_func) getProcAddress( "glIsFramebufferEXT" );
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glBindFramebuffer = (glBindFramebuffer_func) getProcAddress( "glBindFramebufferEXT" );
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glDeleteFramebuffers = (glDeleteFramebuffers_func) getProcAddress( "glDeleteFramebuffersEXT" );
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glGenFramebuffers = (glGenFramebuffers_func) getProcAddress( "glGenFramebuffersEXT" );
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glCheckFramebufferStatus = (glCheckFramebufferStatus_func) getProcAddress( "glCheckFramebufferStatusEXT" );
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glFramebufferTexture1D = (glFramebufferTexture1D_func) getProcAddress( "glFramebufferTexture1DEXT" );
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glFramebufferTexture2D = (glFramebufferTexture2D_func) getProcAddress( "glFramebufferTexture2DEXT" );
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glFramebufferTexture3D = (glFramebufferTexture3D_func) getProcAddress( "glFramebufferTexture3DEXT" );
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glFramebufferRenderbuffer = (glFramebufferRenderbuffer_func) getProcAddress( "glFramebufferRenderbufferEXT" );
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glGetFramebufferAttachmentParameteriv = (glGetFramebufferAttachmentParameteriv_func) getProcAddress( "glGetFramebufferAttachmentParameterivEXT" );
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glGenerateMipmap = (glGenerateMipmap_func) getProcAddress( "glGenerateMipmapEXT" );
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}
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else
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{
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glIsRenderbuffer = NULL;
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glBindRenderbuffer = NULL;
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glDeleteRenderbuffers = NULL;
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glGenRenderbuffers = NULL;
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glRenderbufferStorage = NULL;
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glGetRenderbufferParameteriv = NULL;
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glIsFramebuffer = NULL;
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glBindFramebuffer = NULL;
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glDeleteFramebuffers = NULL;
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glGenFramebuffers = NULL;
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glCheckFramebufferStatus = NULL;
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glFramebufferTexture1D = NULL;
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glFramebufferTexture2D = NULL;
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glFramebufferTexture3D = NULL;
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glFramebufferRenderbuffer = NULL;
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glGetFramebufferAttachmentParameteriv = NULL;
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glGenerateMipmap = NULL;
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}
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if( hasGLExtension( "GL_ARB_shading_language_100" ) && hasGLExtension( "GL_ARB_fragment_shader" ))
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{
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GL_RESOLVE_WITH_EXT( glCreateShader, glCreateShaderObjectARB );
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GL_RESOLVE_WITH_EXT( glShaderSource, glShaderSourceARB );
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GL_RESOLVE_WITH_EXT( glCompileShader, glCompileShaderARB );
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GL_RESOLVE_WITH_EXT( glDeleteShader, glDeleteObjectARB );
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GL_RESOLVE_WITH_EXT( glCreateProgram, glCreateProgramObjectARB );
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GL_RESOLVE_WITH_EXT( glAttachShader, glAttachObjectARB );
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GL_RESOLVE_WITH_EXT( glLinkProgram, glLinkProgramARB );
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GL_RESOLVE_WITH_EXT( glUseProgram, glUseProgramObjectARB );
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GL_RESOLVE_WITH_EXT( glDeleteProgram, glDeleteObjectARB );
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GL_RESOLVE_WITH_EXT( glGetShaderInfoLog, glGetInfoLogARB );
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GL_RESOLVE_WITH_EXT( glGetProgramInfoLog, glGetInfoLogARB );
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GL_RESOLVE_WITH_EXT( glGetProgramiv, glGetObjectParameterivARB );
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GL_RESOLVE_WITH_EXT( glGetShaderiv, glGetObjectParameterivARB );
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GL_RESOLVE_WITH_EXT( glUniform1f, glUniform1fARB );
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GL_RESOLVE_WITH_EXT( glUniform1i, glUniform1iARB );
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GL_RESOLVE_WITH_EXT( glUniform1fv, glUniform1fvARB );
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GL_RESOLVE_WITH_EXT( glUniform2fv, glUniform2fvARB );
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GL_RESOLVE_WITH_EXT( glValidateProgram, glValidateProgramARB );
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GL_RESOLVE_WITH_EXT( glGetUniformLocation, glGetUniformLocationARB );
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GL_RESOLVE_WITH_EXT( glVertexAttrib1f, glVertexAttrib1fARB );
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GL_RESOLVE_WITH_EXT( glGetAttribLocation, glGetAttribLocationARB );
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}
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glResolveFunctions();
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}
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bool hasGLVersion(int major, int minor, int release)
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150
glutils.h
150
glutils.h
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@ -2,7 +2,7 @@
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Rivo Laks <rivolaks@hot.ee>
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Copyright (C) 2006-2007 Rivo Laks <rivolaks@hot.ee>
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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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@ -18,8 +18,9 @@ License. See the file "COPYING" for the exact licensing terms.
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <GL/glext.h>
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#include <GL/glxext.h>
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#include "glutils_funcs.h"
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template< class K, class V > class QHash;
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@ -75,149 +76,6 @@ class GLShader
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QHash< QString, int >* mVariableLocations;
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};
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// Defines
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/*
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** GLX_EXT_texture_from_pixmap
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*/
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#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
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#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
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#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
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#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
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#define GLX_Y_INVERTED_EXT 0x20D4
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#define GLX_TEXTURE_FORMAT_EXT 0x20D5
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#define GLX_TEXTURE_TARGET_EXT 0x20D6
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#define GLX_MIPMAP_TEXTURE_EXT 0x20D7
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#define GLX_TEXTURE_FORMAT_NONE_EXT 0x20D8
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#define GLX_TEXTURE_FORMAT_RGB_EXT 0x20D9
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#define GLX_TEXTURE_FORMAT_RGBA_EXT 0x20DA
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#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
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#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
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#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
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#define GLX_TEXTURE_1D_EXT 0x20DB
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#define GLX_TEXTURE_2D_EXT 0x20DC
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#define GLX_TEXTURE_RECTANGLE_EXT 0x20DD
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#define GLX_FRONT_LEFT_EXT 0x20DE
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// Shader stuff
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#define GL_COMPILE_STATUS 0x8B81
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#define GL_LINK_STATUS 0x8B82
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#define GL_INFO_LOG_LENGTH 0x8B84
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#define GL_FRAGMENT_SHADER 0x8B30
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#define GL_VERTEX_SHADER 0x8B31
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// Function pointers
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// finding of OpenGL extensions functions
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typedef void (*glXFuncPtr)();
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typedef glXFuncPtr (*glXGetProcAddress_func)( const GLubyte* );
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extern glXGetProcAddress_func glXGetProcAddress;
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// glXQueryDrawable (added in GLX 1.3)
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typedef void (*glXQueryDrawable_func)( Display* dpy, GLXDrawable drawable,
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int attribute, unsigned int *value );
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extern glXQueryDrawable_func glXQueryDrawable;
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// texture_from_pixmap extension functions
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typedef void (*glXBindTexImageEXT_func)( Display* dpy, GLXDrawable drawable,
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int buffer, const int* attrib_list );
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typedef void (*glXReleaseTexImageEXT_func)( Display* dpy, GLXDrawable drawable, int buffer );
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extern glXReleaseTexImageEXT_func glXReleaseTexImageEXT;
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extern glXBindTexImageEXT_func glXBindTexImageEXT;
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// glXCopySubBufferMESA
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typedef void (*glXCopySubBuffer_func) ( Display* , GLXDrawable, int, int, int, int );
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extern glXCopySubBuffer_func glXCopySubBuffer;
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// video_sync extension functions
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typedef void (*glXGetVideoSync_func)( unsigned int *count );
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typedef void (*glXWaitVideoSync_func)( int divisor, int remainder, unsigned int *count );
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extern glXGetVideoSync_func glXGetVideoSync;
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extern glXWaitVideoSync_func glXWaitVideoSync;
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// glActiveTexture
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typedef void (*glActiveTexture_func)(GLenum);
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extern glActiveTexture_func glActiveTexture;
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// framebuffer_object extension functions
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typedef bool (*glIsRenderbuffer_func)( GLuint renderbuffer );
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typedef void (*glBindRenderbuffer_func)( GLenum target, GLuint renderbuffer );
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typedef void (*glDeleteRenderbuffers_func)( GLsizei n, const GLuint *renderbuffers );
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typedef void (*glGenRenderbuffers_func)( GLsizei n, GLuint *renderbuffers );
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typedef void (*glRenderbufferStorage_func)( GLenum target, GLenum internalformat, GLsizei width, GLsizei height );
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typedef void (*glGetRenderbufferParameteriv_func)( GLenum target, GLenum pname, GLint *params );
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typedef bool (*glIsFramebuffer_func)( GLuint framebuffer );
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typedef void (*glBindFramebuffer_func)( GLenum target, GLuint framebuffer );
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typedef void (*glDeleteFramebuffers_func)( GLsizei n, const GLuint *framebuffers );
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typedef void (*glGenFramebuffers_func)( GLsizei n, GLuint *framebuffers );
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typedef void (*glCheckFramebufferStatus_func)( GLenum target );
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typedef void (*glFramebufferTexture1D_func)( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level );
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typedef void (*glFramebufferTexture2D_func)( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level );
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typedef void (*glFramebufferTexture3D_func)( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset );
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typedef void (*glFramebufferRenderbuffer_func)( GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer );
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typedef void (*glGetFramebufferAttachmentParameteriv_func)( GLenum target, GLenum attachment, GLenum pname, GLint *params );
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typedef void (*glGenerateMipmap_func)( GLenum target );
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extern glIsRenderbuffer_func glIsRenderbuffer;
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extern glBindRenderbuffer_func glBindRenderbuffer;
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extern glDeleteRenderbuffers_func glDeleteRenderbuffers;
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extern glGenRenderbuffers_func glGenRenderbuffers;
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extern glRenderbufferStorage_func glRenderbufferStorage;
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extern glGetRenderbufferParameteriv_func glGetRenderbufferParameteriv;
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extern glIsFramebuffer_func glIsFramebuffer;
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extern glBindFramebuffer_func glBindFramebuffer;
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extern glDeleteFramebuffers_func glDeleteFramebuffers;
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extern glGenFramebuffers_func glGenFramebuffers;
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extern glCheckFramebufferStatus_func glCheckFramebufferStatus;
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extern glFramebufferTexture1D_func glFramebufferTexture1D;
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extern glFramebufferTexture2D_func glFramebufferTexture2D;
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extern glFramebufferTexture3D_func glFramebufferTexture3D;
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extern glFramebufferRenderbuffer_func glFramebufferRenderbuffer;
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extern glGetFramebufferAttachmentParameteriv_func glGetFramebufferAttachmentParameteriv;
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extern glGenerateMipmap_func glGenerateMipmap;
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// Shader stuff
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typedef GLuint (*glCreateShader_func)(GLenum);
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typedef GLvoid (*glShaderSource_func)(GLuint, GLsizei, const GLchar**, const GLint*);
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typedef GLvoid (*glCompileShader_func)(GLuint);
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typedef GLvoid (*glDeleteShader_func)(GLuint);
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typedef GLuint (*glCreateProgram_func)();
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typedef GLvoid (*glAttachShader_func)(GLuint, GLuint);
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typedef GLvoid (*glLinkProgram_func)(GLuint);
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typedef GLvoid (*glUseProgram_func)(GLuint);
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typedef GLvoid (*glDeleteProgram_func)(GLuint);
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typedef GLvoid (*glGetShaderInfoLog_func)(GLuint, GLsizei, GLsizei*, GLchar*);
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typedef GLvoid (*glGetProgramInfoLog_func)(GLuint, GLsizei, GLsizei*, GLchar*);
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typedef GLvoid (*glGetProgramiv_func)(GLuint, GLenum, GLint*);
|
||||
typedef GLvoid (*glGetShaderiv_func)(GLuint, GLenum, GLint*);
|
||||
typedef GLvoid (*glUniform1f_func)(GLint, GLfloat);
|
||||
typedef GLvoid (*glUniform1i_func)(GLint, GLint);
|
||||
typedef GLvoid (*glUniform1fv_func)(GLint, GLsizei, const GLfloat*);
|
||||
typedef GLvoid (*glUniform2fv_func)(GLint, GLsizei, const GLfloat*);
|
||||
typedef GLvoid (*glUniform3fv_func)(GLint, GLsizei, const GLfloat*);
|
||||
typedef GLvoid (*glValidateProgram_func)(GLuint);
|
||||
typedef GLint (*glGetUniformLocation_func)(GLuint, const GLchar*);
|
||||
typedef GLvoid (*glVertexAttrib1f_func)(GLuint, GLfloat);
|
||||
typedef GLint (*glGetAttribLocation_func)(GLuint, const GLchar*);
|
||||
extern glCreateShader_func glCreateShader;
|
||||
extern glShaderSource_func glShaderSource;
|
||||
extern glCompileShader_func glCompileShader;
|
||||
extern glDeleteShader_func glDeleteShader;
|
||||
extern glCreateProgram_func glCreateProgram;
|
||||
extern glAttachShader_func glAttachShader;
|
||||
extern glLinkProgram_func glLinkProgram;
|
||||
extern glUseProgram_func glUseProgram;
|
||||
extern glDeleteProgram_func glDeleteProgram;
|
||||
extern glGetShaderInfoLog_func glGetShaderInfoLog;
|
||||
extern glGetProgramInfoLog_func glGetProgramInfoLog;
|
||||
extern glGetProgramiv_func glGetProgramiv;
|
||||
extern glGetShaderiv_func glGetShaderiv;
|
||||
extern glUniform1f_func glUniform1f;
|
||||
extern glUniform1i_func glUniform1i;
|
||||
extern glUniform1fv_func glUniform1fv;
|
||||
extern glUniform2fv_func glUniform2fv;
|
||||
extern glValidateProgram_func glValidateProgram;
|
||||
extern glGetUniformLocation_func glGetUniformLocation;
|
||||
extern glVertexAttrib1f_func glVertexAttrib1f;
|
||||
extern glGetAttribLocation_func glGetAttribLocation;
|
||||
|
||||
} // namespace
|
||||
|
||||
#endif
|
||||
|
|
|
|||
215
glutils_funcs.cpp
Normal file
215
glutils_funcs.cpp
Normal file
|
|
@ -0,0 +1,215 @@
|
|||
/*****************************************************************
|
||||
KWin - the KDE window manager
|
||||
This file is part of the KDE project.
|
||||
|
||||
Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
|
||||
|
||||
You can Freely distribute this program under the GNU General Public
|
||||
License. See the file "COPYING" for the exact licensing terms.
|
||||
******************************************************************/
|
||||
|
||||
#include "glutils.h"
|
||||
|
||||
#include <dlfcn.h>
|
||||
|
||||
|
||||
// Resolves given function, using getProcAddress
|
||||
#define GL_RESOLVE( function ) function = (function ## _func)getProcAddress( #function );
|
||||
// Same as above but tries to use function "backup" if "function" doesn't exist
|
||||
// Useful when same functionality is also defined in an extension
|
||||
#define GL_RESOLVE_WITH_EXT( function, backup ) \
|
||||
function = (function ## _func)getProcAddress( #function ); \
|
||||
if( !function ) \
|
||||
function = (function ## _func)getProcAddress( #backup );
|
||||
|
||||
namespace KWinInternal
|
||||
{
|
||||
|
||||
// Function pointers
|
||||
glXGetProcAddress_func glXGetProcAddress;
|
||||
// GLX 1.3
|
||||
glXQueryDrawable_func glXQueryDrawable;
|
||||
// texture_from_pixmap extension functions
|
||||
glXReleaseTexImageEXT_func glXReleaseTexImageEXT;
|
||||
glXBindTexImageEXT_func glXBindTexImageEXT;
|
||||
// glXCopySubBufferMESA
|
||||
glXCopySubBuffer_func glXCopySubBuffer;
|
||||
// video_sync extension functions
|
||||
glXGetVideoSync_func glXGetVideoSync;
|
||||
glXWaitVideoSync_func glXWaitVideoSync;
|
||||
// glActiveTexture
|
||||
glActiveTexture_func glActiveTexture;
|
||||
// framebuffer_object extension functions
|
||||
glIsRenderbuffer_func glIsRenderbuffer;
|
||||
glBindRenderbuffer_func glBindRenderbuffer;
|
||||
glDeleteRenderbuffers_func glDeleteRenderbuffers;
|
||||
glGenRenderbuffers_func glGenRenderbuffers;
|
||||
glRenderbufferStorage_func glRenderbufferStorage;
|
||||
glGetRenderbufferParameteriv_func glGetRenderbufferParameteriv;
|
||||
glIsFramebuffer_func glIsFramebuffer;
|
||||
glBindFramebuffer_func glBindFramebuffer;
|
||||
glDeleteFramebuffers_func glDeleteFramebuffers;
|
||||
glGenFramebuffers_func glGenFramebuffers;
|
||||
glCheckFramebufferStatus_func glCheckFramebufferStatus;
|
||||
glFramebufferTexture1D_func glFramebufferTexture1D;
|
||||
glFramebufferTexture2D_func glFramebufferTexture2D;
|
||||
glFramebufferTexture3D_func glFramebufferTexture3D;
|
||||
glFramebufferRenderbuffer_func glFramebufferRenderbuffer;
|
||||
glGetFramebufferAttachmentParameteriv_func glGetFramebufferAttachmentParameteriv;
|
||||
glGenerateMipmap_func glGenerateMipmap;
|
||||
// Shader functions
|
||||
glCreateShader_func glCreateShader;
|
||||
glShaderSource_func glShaderSource;
|
||||
glCompileShader_func glCompileShader;
|
||||
glDeleteShader_func glDeleteShader;
|
||||
glCreateProgram_func glCreateProgram;
|
||||
glAttachShader_func glAttachShader;
|
||||
glLinkProgram_func glLinkProgram;
|
||||
glUseProgram_func glUseProgram;
|
||||
glDeleteProgram_func glDeleteProgram;
|
||||
glGetShaderInfoLog_func glGetShaderInfoLog;
|
||||
glGetProgramInfoLog_func glGetProgramInfoLog;
|
||||
glGetProgramiv_func glGetProgramiv;
|
||||
glGetShaderiv_func glGetShaderiv;
|
||||
glUniform1f_func glUniform1f;
|
||||
glUniform1i_func glUniform1i;
|
||||
glUniform1fv_func glUniform1fv;
|
||||
glUniform2fv_func glUniform2fv;
|
||||
glValidateProgram_func glValidateProgram;
|
||||
glGetUniformLocation_func glGetUniformLocation;
|
||||
glVertexAttrib1f_func glVertexAttrib1f;
|
||||
glGetAttribLocation_func glGetAttribLocation;
|
||||
|
||||
|
||||
static glXFuncPtr getProcAddress( const char* name )
|
||||
{
|
||||
glXFuncPtr ret = NULL;
|
||||
if( glXGetProcAddress != NULL )
|
||||
ret = glXGetProcAddress( ( const GLubyte* ) name );
|
||||
if( ret == NULL )
|
||||
ret = ( glXFuncPtr ) dlsym( RTLD_DEFAULT, name );
|
||||
return ret;
|
||||
}
|
||||
|
||||
void glxResolveFunctions()
|
||||
{
|
||||
// handle OpenGL extensions functions
|
||||
glXGetProcAddress = (glXGetProcAddress_func) getProcAddress( "glXGetProcAddress" );
|
||||
if( glXGetProcAddress == NULL )
|
||||
glXGetProcAddress = (glXGetProcAddress_func) getProcAddress( "glXGetProcAddressARB" );
|
||||
glXQueryDrawable = (glXQueryDrawable_func) getProcAddress( "glXQueryDrawable" );
|
||||
if( hasGLExtension( "GLX_EXT_texture_from_pixmap" ))
|
||||
{
|
||||
glXBindTexImageEXT = (glXBindTexImageEXT_func) getProcAddress( "glXBindTexImageEXT" );
|
||||
glXReleaseTexImageEXT = (glXReleaseTexImageEXT_func) getProcAddress( "glXReleaseTexImageEXT" );
|
||||
}
|
||||
else
|
||||
{
|
||||
glXBindTexImageEXT = NULL;
|
||||
glXReleaseTexImageEXT = NULL;
|
||||
}
|
||||
if( hasGLExtension( "GLX_MESA_copy_sub_buffer" ))
|
||||
glXCopySubBuffer = (glXCopySubBuffer_func) getProcAddress( "glXCopySubBufferMESA" );
|
||||
else
|
||||
glXCopySubBuffer = NULL;
|
||||
if( hasGLExtension( "GLX_SGI_video_sync" ))
|
||||
{
|
||||
glXGetVideoSync = (glXGetVideoSync_func) getProcAddress( "glXGetVideoSyncSGI" );
|
||||
glXWaitVideoSync = (glXWaitVideoSync_func) getProcAddress( "glXWaitVideoSyncSGI" );
|
||||
}
|
||||
else
|
||||
{
|
||||
glXGetVideoSync = NULL;
|
||||
glXWaitVideoSync = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void glResolveFunctions()
|
||||
{
|
||||
if( hasGLExtension( "GL_ARB_multitexture" ))
|
||||
{
|
||||
GL_RESOLVE_WITH_EXT( glActiveTexture, glActiveTextureARB );
|
||||
// Get number of texture units
|
||||
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &glTextureUnitsCount);
|
||||
}
|
||||
else
|
||||
{
|
||||
glActiveTexture = NULL;
|
||||
glTextureUnitsCount = 0;
|
||||
}
|
||||
if( hasGLExtension( "GL_EXT_framebuffer_object" ))
|
||||
{
|
||||
glIsRenderbuffer = (glIsRenderbuffer_func) getProcAddress( "glIsRenderbufferEXT" );
|
||||
glBindRenderbuffer = (glBindRenderbuffer_func) getProcAddress( "glBindRenderbufferEXT" );
|
||||
glDeleteRenderbuffers = (glDeleteRenderbuffers_func) getProcAddress( "glDeleteRenderbuffersEXT" );
|
||||
glGenRenderbuffers = (glGenRenderbuffers_func) getProcAddress( "glGenRenderbuffersEXT" );
|
||||
|
||||
glRenderbufferStorage = (glRenderbufferStorage_func) getProcAddress( "glRenderbufferStorageEXT" );
|
||||
|
||||
glGetRenderbufferParameteriv = (glGetRenderbufferParameteriv_func) getProcAddress( "glGetRenderbufferParameterivEXT" );
|
||||
|
||||
glIsFramebuffer = (glIsFramebuffer_func) getProcAddress( "glIsFramebufferEXT" );
|
||||
glBindFramebuffer = (glBindFramebuffer_func) getProcAddress( "glBindFramebufferEXT" );
|
||||
glDeleteFramebuffers = (glDeleteFramebuffers_func) getProcAddress( "glDeleteFramebuffersEXT" );
|
||||
glGenFramebuffers = (glGenFramebuffers_func) getProcAddress( "glGenFramebuffersEXT" );
|
||||
|
||||
glCheckFramebufferStatus = (glCheckFramebufferStatus_func) getProcAddress( "glCheckFramebufferStatusEXT" );
|
||||
|
||||
glFramebufferTexture1D = (glFramebufferTexture1D_func) getProcAddress( "glFramebufferTexture1DEXT" );
|
||||
glFramebufferTexture2D = (glFramebufferTexture2D_func) getProcAddress( "glFramebufferTexture2DEXT" );
|
||||
glFramebufferTexture3D = (glFramebufferTexture3D_func) getProcAddress( "glFramebufferTexture3DEXT" );
|
||||
|
||||
glFramebufferRenderbuffer = (glFramebufferRenderbuffer_func) getProcAddress( "glFramebufferRenderbufferEXT" );
|
||||
|
||||
glGetFramebufferAttachmentParameteriv = (glGetFramebufferAttachmentParameteriv_func) getProcAddress( "glGetFramebufferAttachmentParameterivEXT" );
|
||||
|
||||
glGenerateMipmap = (glGenerateMipmap_func) getProcAddress( "glGenerateMipmapEXT" );
|
||||
}
|
||||
else
|
||||
{
|
||||
glIsRenderbuffer = NULL;
|
||||
glBindRenderbuffer = NULL;
|
||||
glDeleteRenderbuffers = NULL;
|
||||
glGenRenderbuffers = NULL;
|
||||
glRenderbufferStorage = NULL;
|
||||
glGetRenderbufferParameteriv = NULL;
|
||||
glIsFramebuffer = NULL;
|
||||
glBindFramebuffer = NULL;
|
||||
glDeleteFramebuffers = NULL;
|
||||
glGenFramebuffers = NULL;
|
||||
glCheckFramebufferStatus = NULL;
|
||||
glFramebufferTexture1D = NULL;
|
||||
glFramebufferTexture2D = NULL;
|
||||
glFramebufferTexture3D = NULL;
|
||||
glFramebufferRenderbuffer = NULL;
|
||||
glGetFramebufferAttachmentParameteriv = NULL;
|
||||
glGenerateMipmap = NULL;
|
||||
}
|
||||
if( hasGLExtension( "GL_ARB_shading_language_100" ) && hasGLExtension( "GL_ARB_fragment_shader" ))
|
||||
{
|
||||
GL_RESOLVE_WITH_EXT( glCreateShader, glCreateShaderObjectARB );
|
||||
GL_RESOLVE_WITH_EXT( glShaderSource, glShaderSourceARB );
|
||||
GL_RESOLVE_WITH_EXT( glCompileShader, glCompileShaderARB );
|
||||
GL_RESOLVE_WITH_EXT( glDeleteShader, glDeleteObjectARB );
|
||||
GL_RESOLVE_WITH_EXT( glCreateProgram, glCreateProgramObjectARB );
|
||||
GL_RESOLVE_WITH_EXT( glAttachShader, glAttachObjectARB );
|
||||
GL_RESOLVE_WITH_EXT( glLinkProgram, glLinkProgramARB );
|
||||
GL_RESOLVE_WITH_EXT( glUseProgram, glUseProgramObjectARB );
|
||||
GL_RESOLVE_WITH_EXT( glDeleteProgram, glDeleteObjectARB );
|
||||
GL_RESOLVE_WITH_EXT( glGetShaderInfoLog, glGetInfoLogARB );
|
||||
GL_RESOLVE_WITH_EXT( glGetProgramInfoLog, glGetInfoLogARB );
|
||||
GL_RESOLVE_WITH_EXT( glGetProgramiv, glGetObjectParameterivARB );
|
||||
GL_RESOLVE_WITH_EXT( glGetShaderiv, glGetObjectParameterivARB );
|
||||
GL_RESOLVE_WITH_EXT( glUniform1f, glUniform1fARB );
|
||||
GL_RESOLVE_WITH_EXT( glUniform1i, glUniform1iARB );
|
||||
GL_RESOLVE_WITH_EXT( glUniform1fv, glUniform1fvARB );
|
||||
GL_RESOLVE_WITH_EXT( glUniform2fv, glUniform2fvARB );
|
||||
GL_RESOLVE_WITH_EXT( glValidateProgram, glValidateProgramARB );
|
||||
GL_RESOLVE_WITH_EXT( glGetUniformLocation, glGetUniformLocationARB );
|
||||
GL_RESOLVE_WITH_EXT( glVertexAttrib1f, glVertexAttrib1fARB );
|
||||
GL_RESOLVE_WITH_EXT( glGetAttribLocation, glGetAttribLocationARB );
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
166
glutils_funcs.h
Normal file
166
glutils_funcs.h
Normal file
|
|
@ -0,0 +1,166 @@
|
|||
/*****************************************************************
|
||||
KWin - the KDE window manager
|
||||
This file is part of the KDE project.
|
||||
|
||||
Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
|
||||
|
||||
You can Freely distribute this program under the GNU General Public
|
||||
License. See the file "COPYING" for the exact licensing terms.
|
||||
******************************************************************/
|
||||
|
||||
#ifndef KWIN_GLUTILS_FUNCS_H
|
||||
#define KWIN_GLUTILS_FUNCS_H
|
||||
|
||||
namespace KWinInternal
|
||||
{
|
||||
|
||||
void glxResolveFunctions();
|
||||
void glResolveFunctions();
|
||||
|
||||
|
||||
// Defines
|
||||
/*
|
||||
** GLX_EXT_texture_from_pixmap
|
||||
*/
|
||||
#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
|
||||
#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
|
||||
#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
|
||||
#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
|
||||
#define GLX_Y_INVERTED_EXT 0x20D4
|
||||
|
||||
#define GLX_TEXTURE_FORMAT_EXT 0x20D5
|
||||
#define GLX_TEXTURE_TARGET_EXT 0x20D6
|
||||
#define GLX_MIPMAP_TEXTURE_EXT 0x20D7
|
||||
|
||||
#define GLX_TEXTURE_FORMAT_NONE_EXT 0x20D8
|
||||
#define GLX_TEXTURE_FORMAT_RGB_EXT 0x20D9
|
||||
#define GLX_TEXTURE_FORMAT_RGBA_EXT 0x20DA
|
||||
|
||||
#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
|
||||
#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
|
||||
#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
|
||||
|
||||
#define GLX_TEXTURE_1D_EXT 0x20DB
|
||||
#define GLX_TEXTURE_2D_EXT 0x20DC
|
||||
#define GLX_TEXTURE_RECTANGLE_EXT 0x20DD
|
||||
|
||||
#define GLX_FRONT_LEFT_EXT 0x20DE
|
||||
|
||||
// Shader stuff
|
||||
#define GL_COMPILE_STATUS 0x8B81
|
||||
#define GL_LINK_STATUS 0x8B82
|
||||
#define GL_INFO_LOG_LENGTH 0x8B84
|
||||
#define GL_FRAGMENT_SHADER 0x8B30
|
||||
#define GL_VERTEX_SHADER 0x8B31
|
||||
|
||||
|
||||
// Function pointers
|
||||
// finding of OpenGL extensions functions
|
||||
typedef void (*glXFuncPtr)();
|
||||
typedef glXFuncPtr (*glXGetProcAddress_func)( const GLubyte* );
|
||||
extern glXGetProcAddress_func glXGetProcAddress;
|
||||
// glXQueryDrawable (added in GLX 1.3)
|
||||
typedef void (*glXQueryDrawable_func)( Display* dpy, GLXDrawable drawable,
|
||||
int attribute, unsigned int *value );
|
||||
extern glXQueryDrawable_func glXQueryDrawable;
|
||||
// texture_from_pixmap extension functions
|
||||
typedef void (*glXBindTexImageEXT_func)( Display* dpy, GLXDrawable drawable,
|
||||
int buffer, const int* attrib_list );
|
||||
typedef void (*glXReleaseTexImageEXT_func)( Display* dpy, GLXDrawable drawable, int buffer );
|
||||
extern glXReleaseTexImageEXT_func glXReleaseTexImageEXT;
|
||||
extern glXBindTexImageEXT_func glXBindTexImageEXT;
|
||||
// glXCopySubBufferMESA
|
||||
typedef void (*glXCopySubBuffer_func) ( Display* , GLXDrawable, int, int, int, int );
|
||||
extern glXCopySubBuffer_func glXCopySubBuffer;
|
||||
// video_sync extension functions
|
||||
typedef void (*glXGetVideoSync_func)( unsigned int *count );
|
||||
typedef void (*glXWaitVideoSync_func)( int divisor, int remainder, unsigned int *count );
|
||||
extern glXGetVideoSync_func glXGetVideoSync;
|
||||
extern glXWaitVideoSync_func glXWaitVideoSync;
|
||||
// glActiveTexture
|
||||
typedef void (*glActiveTexture_func)(GLenum);
|
||||
extern glActiveTexture_func glActiveTexture;
|
||||
// framebuffer_object extension functions
|
||||
typedef bool (*glIsRenderbuffer_func)( GLuint renderbuffer );
|
||||
typedef void (*glBindRenderbuffer_func)( GLenum target, GLuint renderbuffer );
|
||||
typedef void (*glDeleteRenderbuffers_func)( GLsizei n, const GLuint *renderbuffers );
|
||||
typedef void (*glGenRenderbuffers_func)( GLsizei n, GLuint *renderbuffers );
|
||||
typedef void (*glRenderbufferStorage_func)( GLenum target, GLenum internalformat, GLsizei width, GLsizei height );
|
||||
typedef void (*glGetRenderbufferParameteriv_func)( GLenum target, GLenum pname, GLint *params );
|
||||
typedef bool (*glIsFramebuffer_func)( GLuint framebuffer );
|
||||
typedef void (*glBindFramebuffer_func)( GLenum target, GLuint framebuffer );
|
||||
typedef void (*glDeleteFramebuffers_func)( GLsizei n, const GLuint *framebuffers );
|
||||
typedef void (*glGenFramebuffers_func)( GLsizei n, GLuint *framebuffers );
|
||||
typedef void (*glCheckFramebufferStatus_func)( GLenum target );
|
||||
typedef void (*glFramebufferTexture1D_func)( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level );
|
||||
typedef void (*glFramebufferTexture2D_func)( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level );
|
||||
typedef void (*glFramebufferTexture3D_func)( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset );
|
||||
typedef void (*glFramebufferRenderbuffer_func)( GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer );
|
||||
typedef void (*glGetFramebufferAttachmentParameteriv_func)( GLenum target, GLenum attachment, GLenum pname, GLint *params );
|
||||
typedef void (*glGenerateMipmap_func)( GLenum target );
|
||||
extern glIsRenderbuffer_func glIsRenderbuffer;
|
||||
extern glBindRenderbuffer_func glBindRenderbuffer;
|
||||
extern glDeleteRenderbuffers_func glDeleteRenderbuffers;
|
||||
extern glGenRenderbuffers_func glGenRenderbuffers;
|
||||
extern glRenderbufferStorage_func glRenderbufferStorage;
|
||||
extern glGetRenderbufferParameteriv_func glGetRenderbufferParameteriv;
|
||||
extern glIsFramebuffer_func glIsFramebuffer;
|
||||
extern glBindFramebuffer_func glBindFramebuffer;
|
||||
extern glDeleteFramebuffers_func glDeleteFramebuffers;
|
||||
extern glGenFramebuffers_func glGenFramebuffers;
|
||||
extern glCheckFramebufferStatus_func glCheckFramebufferStatus;
|
||||
extern glFramebufferTexture1D_func glFramebufferTexture1D;
|
||||
extern glFramebufferTexture2D_func glFramebufferTexture2D;
|
||||
extern glFramebufferTexture3D_func glFramebufferTexture3D;
|
||||
extern glFramebufferRenderbuffer_func glFramebufferRenderbuffer;
|
||||
extern glGetFramebufferAttachmentParameteriv_func glGetFramebufferAttachmentParameteriv;
|
||||
extern glGenerateMipmap_func glGenerateMipmap;
|
||||
// Shader stuff
|
||||
typedef GLuint (*glCreateShader_func)(GLenum);
|
||||
typedef GLvoid (*glShaderSource_func)(GLuint, GLsizei, const GLchar**, const GLint*);
|
||||
typedef GLvoid (*glCompileShader_func)(GLuint);
|
||||
typedef GLvoid (*glDeleteShader_func)(GLuint);
|
||||
typedef GLuint (*glCreateProgram_func)();
|
||||
typedef GLvoid (*glAttachShader_func)(GLuint, GLuint);
|
||||
typedef GLvoid (*glLinkProgram_func)(GLuint);
|
||||
typedef GLvoid (*glUseProgram_func)(GLuint);
|
||||
typedef GLvoid (*glDeleteProgram_func)(GLuint);
|
||||
typedef GLvoid (*glGetShaderInfoLog_func)(GLuint, GLsizei, GLsizei*, GLchar*);
|
||||
typedef GLvoid (*glGetProgramInfoLog_func)(GLuint, GLsizei, GLsizei*, GLchar*);
|
||||
typedef GLvoid (*glGetProgramiv_func)(GLuint, GLenum, GLint*);
|
||||
typedef GLvoid (*glGetShaderiv_func)(GLuint, GLenum, GLint*);
|
||||
typedef GLvoid (*glUniform1f_func)(GLint, GLfloat);
|
||||
typedef GLvoid (*glUniform1i_func)(GLint, GLint);
|
||||
typedef GLvoid (*glUniform1fv_func)(GLint, GLsizei, const GLfloat*);
|
||||
typedef GLvoid (*glUniform2fv_func)(GLint, GLsizei, const GLfloat*);
|
||||
typedef GLvoid (*glUniform3fv_func)(GLint, GLsizei, const GLfloat*);
|
||||
typedef GLvoid (*glValidateProgram_func)(GLuint);
|
||||
typedef GLint (*glGetUniformLocation_func)(GLuint, const GLchar*);
|
||||
typedef GLvoid (*glVertexAttrib1f_func)(GLuint, GLfloat);
|
||||
typedef GLint (*glGetAttribLocation_func)(GLuint, const GLchar*);
|
||||
extern glCreateShader_func glCreateShader;
|
||||
extern glShaderSource_func glShaderSource;
|
||||
extern glCompileShader_func glCompileShader;
|
||||
extern glDeleteShader_func glDeleteShader;
|
||||
extern glCreateProgram_func glCreateProgram;
|
||||
extern glAttachShader_func glAttachShader;
|
||||
extern glLinkProgram_func glLinkProgram;
|
||||
extern glUseProgram_func glUseProgram;
|
||||
extern glDeleteProgram_func glDeleteProgram;
|
||||
extern glGetShaderInfoLog_func glGetShaderInfoLog;
|
||||
extern glGetProgramInfoLog_func glGetProgramInfoLog;
|
||||
extern glGetProgramiv_func glGetProgramiv;
|
||||
extern glGetShaderiv_func glGetShaderiv;
|
||||
extern glUniform1f_func glUniform1f;
|
||||
extern glUniform1i_func glUniform1i;
|
||||
extern glUniform1fv_func glUniform1fv;
|
||||
extern glUniform2fv_func glUniform2fv;
|
||||
extern glValidateProgram_func glValidateProgram;
|
||||
extern glGetUniformLocation_func glGetUniformLocation;
|
||||
extern glVertexAttrib1f_func glVertexAttrib1f;
|
||||
extern glGetAttribLocation_func glGetAttribLocation;
|
||||
|
||||
} // namespace
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in a new issue