Use all core GL functions through indirect pointers
cogl-ext-functions.h now contains definitions for all of the core GL and GLES functions that we would normally link to directly. All of the code has changed to access them through the cogl context pointer. The GE macro now takes an extra parameter to specify the context because the macro itself needs to make GL calls but various points in the Cogl source use different names for the context variable.
This commit is contained in:
Neil Roberts
@ -48,6 +48,219 @@
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* @extension_names: A list of extension names to try. If any of these
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* extensions match then it will be used.
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*/
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/* These are the core GL functions which we assume will always be
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available */
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COGL_EXT_BEGIN (core,
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0, 0,
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COGL_EXT_IN_GLES | COGL_EXT_IN_GLES2,
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"\0",
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"\0")
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COGL_EXT_FUNCTION (void, glBindTexture,
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(GLenum target, GLuint texture))
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COGL_EXT_FUNCTION (void, glBlendFunc,
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(GLenum sfactor, GLenum dfactor))
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COGL_EXT_FUNCTION (void, glClear,
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(GLbitfield mask))
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COGL_EXT_FUNCTION (void, glClearColor,
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(GLclampf red,
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GLclampf green,
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GLclampf blue,
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GLclampf alpha))
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COGL_EXT_FUNCTION (void, glClearStencil,
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(GLint s))
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COGL_EXT_FUNCTION (void, glColorMask,
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(GLboolean red,
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GLboolean green,
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GLboolean blue,
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GLboolean alpha))
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COGL_EXT_FUNCTION (void, glCopyTexSubImage2D,
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(GLenum target,
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GLint level,
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GLint xoffset,
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GLint yoffset,
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GLint x,
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GLint y,
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GLsizei width,
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GLsizei height))
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COGL_EXT_FUNCTION (void, glDeleteTextures,
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(GLsizei n, const GLuint* textures))
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COGL_EXT_FUNCTION (void, glDepthFunc,
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(GLenum func))
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COGL_EXT_FUNCTION (void, glDepthMask,
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(GLboolean flag))
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COGL_EXT_FUNCTION (void, glDisable,
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(GLenum cap))
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COGL_EXT_FUNCTION (void, glDrawArrays,
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(GLenum mode, GLint first, GLsizei count))
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COGL_EXT_FUNCTION (void, glDrawElements,
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(GLenum mode,
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GLsizei count,
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GLenum type,
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const GLvoid* indices))
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COGL_EXT_FUNCTION (void, glEnable,
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(GLenum cap))
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COGL_EXT_FUNCTION (void, glFinish,
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(void))
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COGL_EXT_FUNCTION (void, glFlush,
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(void))
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COGL_EXT_FUNCTION (void, glFrontFace,
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(GLenum mode))
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COGL_EXT_FUNCTION (void, glGenTextures,
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(GLsizei n, GLuint* textures))
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COGL_EXT_FUNCTION (GLenum, glGetError,
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(void))
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COGL_EXT_FUNCTION (void, glGetIntegerv,
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(GLenum pname, GLint* params))
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COGL_EXT_FUNCTION (const GLubyte*, glGetString,
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(GLenum name))
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COGL_EXT_FUNCTION (void, glHint,
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(GLenum target, GLenum mode))
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COGL_EXT_FUNCTION (GLboolean, glIsTexture,
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(GLuint texture))
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COGL_EXT_FUNCTION (void, glPixelStorei,
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(GLenum pname, GLint param))
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COGL_EXT_FUNCTION (void, glReadPixels,
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(GLint x,
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GLint y,
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GLsizei width,
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GLsizei height,
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GLenum format,
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GLenum type,
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GLvoid* pixels))
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COGL_EXT_FUNCTION (void, glScissor,
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(GLint x, GLint y, GLsizei width, GLsizei height))
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COGL_EXT_FUNCTION (void, glStencilFunc,
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(GLenum func, GLint ref, GLuint mask))
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COGL_EXT_FUNCTION (void, glStencilMask,
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(GLuint mask))
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COGL_EXT_FUNCTION (void, glStencilOp,
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(GLenum fail, GLenum zfail, GLenum zpass))
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COGL_EXT_FUNCTION (void, glTexImage2D,
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(GLenum target,
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GLint level,
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GLint internalformat,
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GLsizei width,
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GLsizei height,
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GLint border,
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GLenum format,
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GLenum type,
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const GLvoid* pixels))
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COGL_EXT_FUNCTION (void, glTexParameterfv,
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(GLenum target, GLenum pname, const GLfloat* params))
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COGL_EXT_FUNCTION (void, glTexParameteri,
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(GLenum target, GLenum pname, GLint param))
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COGL_EXT_FUNCTION (void, glTexSubImage2D,
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(GLenum target,
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GLint level,
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GLint xoffset,
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GLint yoffset,
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GLsizei width,
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GLsizei height,
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GLenum format,
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GLenum type,
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const GLvoid* pixels))
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COGL_EXT_FUNCTION (void, glViewport,
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(GLint x, GLint y, GLsizei width, GLsizei height))
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COGL_EXT_END ()
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/* These are the core GL functions which are available when the API
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supports fixed-function (ie, GL and GLES1.1) */
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COGL_EXT_BEGIN (fixed_function_core,
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0, 0,
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COGL_EXT_IN_GLES,
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"\0",
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"\0")
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COGL_EXT_FUNCTION (void, glAlphaFunc,
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(GLenum func, GLclampf ref))
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COGL_EXT_FUNCTION (void, glFogf,
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(GLenum pname, GLfloat param))
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COGL_EXT_FUNCTION (void, glFogfv,
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(GLenum pname, const GLfloat *params))
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COGL_EXT_FUNCTION (void, glLoadMatrixf,
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(const GLfloat *m))
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COGL_EXT_FUNCTION (void, glMaterialfv,
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(GLenum face, GLenum pname, const GLfloat *params))
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COGL_EXT_FUNCTION (void, glPointSize,
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(GLfloat size))
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COGL_EXT_FUNCTION (void, glTexEnvfv,
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(GLenum target, GLenum pname, const GLfloat *params))
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COGL_EXT_FUNCTION (void, glColor4ub,
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(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha))
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COGL_EXT_FUNCTION (void, glColorPointer,
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(GLint size,
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GLenum type,
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GLsizei stride,
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const GLvoid *pointer))
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COGL_EXT_FUNCTION (void, glDisableClientState,
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(GLenum array))
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COGL_EXT_FUNCTION (void, glEnableClientState,
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(GLenum array))
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COGL_EXT_FUNCTION (void, glLoadIdentity,
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(void))
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COGL_EXT_FUNCTION (void, glMatrixMode,
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(GLenum mode))
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COGL_EXT_FUNCTION (void, glNormalPointer,
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(GLenum type, GLsizei stride, const GLvoid *pointer))
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COGL_EXT_FUNCTION (void, glTexCoordPointer,
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(GLint size,
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GLenum type,
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GLsizei stride,
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const GLvoid *pointer))
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COGL_EXT_FUNCTION (void, glTexEnvi,
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(GLenum target,
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GLenum pname,
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GLint param))
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COGL_EXT_FUNCTION (void, glVertexPointer,
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(GLint size,
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GLenum type,
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GLsizei stride,
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const GLvoid *pointer))
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COGL_EXT_END ()
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/* These are the core GL functions which are only available in big
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GL */
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COGL_EXT_BEGIN (only_in_big_gl,
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0, 0,
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0, /* not in GLES */
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"\0",
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"\0")
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COGL_EXT_FUNCTION (void, glGetTexLevelParameteriv,
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(GLenum target, GLint level,
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GLenum pname, GLint *params))
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COGL_EXT_FUNCTION (void, glGetTexImage,
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(GLenum target, GLint level,
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GLenum format, GLenum type,
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GLvoid *pixels))
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COGL_EXT_FUNCTION (void, glClipPlane,
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(GLenum plane, const double *equation))
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COGL_EXT_FUNCTION (void, glDepthRange,
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(double near_val, double far_val))
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COGL_EXT_FUNCTION (void, glDrawBuffer,
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(GLenum mode))
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COGL_EXT_END ()
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/* These functions are only available in GLES and are used as
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replacements for some GL equivalents that only accept double
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arguments */
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COGL_EXT_BEGIN (only_in_gles1,
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255, 255,
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COGL_EXT_IN_GLES,
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"\0",
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"\0")
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COGL_EXT_FUNCTION (void, glClipPlanef,
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(GLenum plane, const GLfloat *equation))
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COGL_EXT_END ()
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COGL_EXT_BEGIN (only_in_both_gles,
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255, 255,
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COGL_EXT_IN_GLES |
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COGL_EXT_IN_GLES2,
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"\0",
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"\0")
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COGL_EXT_FUNCTION (void, glDepthRangef,
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(GLfloat near_val, GLfloat far_val))
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COGL_EXT_END ()
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COGL_EXT_BEGIN (offscreen,
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255, 255,
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COGL_EXT_IN_GLES2,
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@ -303,6 +516,12 @@ COGL_EXT_FUNCTION (void, glGetProgramInfoLog,
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GLsizei *length,
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GLchar *infoLog))
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COGL_EXT_FUNCTION (void, glVertexAttrib4f,
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(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w))
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COGL_EXT_FUNCTION (GLint, glGetAttribLocation,
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(GLuint program, const GLchar *name))
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COGL_EXT_END ()
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COGL_EXT_BEGIN (vbos, 1, 5,
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