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mutter/cogl/cogl-ext-functions.h
Robert Bragg b2964b6910 ext-functions: Don't assume GLchar typedef 
We shouldn't assume the GLchar is a valid typedef with all GL headers
when declaring all the symbols in cogl-ext-functions.h to lookup. GLchar
may not be avilable with gles1 for example so we were seeing build
failures. The patch simply replaces occurrences of GLchar with char.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
2011-08-12 15:28:42 +01:00

650 lines
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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2009, 2011 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
/* This is included multiple times with different definitions for
* these macros. The macros are given the following arguments:
*
* COGL_EXT_BEGIN:
*
* @name: a unique symbol name for this feature
*
* @min_gl_major: the major part of the minimum GL version where these
* functions are available in core, or 255 if it isn't available in
* any version.
* @min_gl_minor: the minor part of the minimum GL version where these
* functions are available in core, or 255 if it isn't available in
* any version.
*
* @gles_availability: flags to specify which versions of GLES the
* functions are available in. Should be a combination of
* COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2.
*
* @extension_suffixes: A zero-separated list of suffixes in a
* string. These are appended to the extension name to get a complete
* extension name to try. The suffix is also appended to all of the
* function names. The suffix can optionally include a ':' to specify
* an alternate suffix for the function names.
*
* @extension_names: A list of extension names to try. If any of these
* extensions match then it will be used.
*/
/* These are the core GL functions which we assume will always be
available */
COGL_EXT_BEGIN (core,
0, 0,
COGL_EXT_IN_GLES | COGL_EXT_IN_GLES2,
"\0",
"\0")
COGL_EXT_FUNCTION (void, glBindTexture,
(GLenum target, GLuint texture))
COGL_EXT_FUNCTION (void, glBlendFunc,
(GLenum sfactor, GLenum dfactor))
COGL_EXT_FUNCTION (void, glClear,
(GLbitfield mask))
COGL_EXT_FUNCTION (void, glClearColor,
(GLclampf red,
GLclampf green,
GLclampf blue,
GLclampf alpha))
COGL_EXT_FUNCTION (void, glClearStencil,
(GLint s))
COGL_EXT_FUNCTION (void, glColorMask,
(GLboolean red,
GLboolean green,
GLboolean blue,
GLboolean alpha))
COGL_EXT_FUNCTION (void, glCopyTexSubImage2D,
(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLint x,
GLint y,
GLsizei width,
GLsizei height))
COGL_EXT_FUNCTION (void, glDeleteTextures,
(GLsizei n, const GLuint* textures))
COGL_EXT_FUNCTION (void, glDepthFunc,
(GLenum func))
COGL_EXT_FUNCTION (void, glDepthMask,
(GLboolean flag))
COGL_EXT_FUNCTION (void, glDisable,
(GLenum cap))
COGL_EXT_FUNCTION (void, glDrawArrays,
(GLenum mode, GLint first, GLsizei count))
COGL_EXT_FUNCTION (void, glDrawElements,
(GLenum mode,
GLsizei count,
GLenum type,
const GLvoid* indices))
COGL_EXT_FUNCTION (void, glEnable,
(GLenum cap))
COGL_EXT_FUNCTION (void, glFinish,
(void))
COGL_EXT_FUNCTION (void, glFlush,
(void))
COGL_EXT_FUNCTION (void, glFrontFace,
(GLenum mode))
COGL_EXT_FUNCTION (void, glGenTextures,
(GLsizei n, GLuint* textures))
COGL_EXT_FUNCTION (GLenum, glGetError,
(void))
COGL_EXT_FUNCTION (void, glGetIntegerv,
(GLenum pname, GLint* params))
COGL_EXT_FUNCTION (const GLubyte*, glGetString,
(GLenum name))
COGL_EXT_FUNCTION (void, glHint,
(GLenum target, GLenum mode))
COGL_EXT_FUNCTION (GLboolean, glIsTexture,
(GLuint texture))
COGL_EXT_FUNCTION (void, glPixelStorei,
(GLenum pname, GLint param))
COGL_EXT_FUNCTION (void, glReadPixels,
(GLint x,
GLint y,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
GLvoid* pixels))
COGL_EXT_FUNCTION (void, glScissor,
(GLint x, GLint y, GLsizei width, GLsizei height))
COGL_EXT_FUNCTION (void, glStencilFunc,
(GLenum func, GLint ref, GLuint mask))
COGL_EXT_FUNCTION (void, glStencilMask,
(GLuint mask))
COGL_EXT_FUNCTION (void, glStencilOp,
(GLenum fail, GLenum zfail, GLenum zpass))
COGL_EXT_FUNCTION (void, glTexImage2D,
(GLenum target,
GLint level,
GLint internalformat,
GLsizei width,
GLsizei height,
GLint border,
GLenum format,
GLenum type,
const GLvoid* pixels))
COGL_EXT_FUNCTION (void, glTexParameterfv,
(GLenum target, GLenum pname, const GLfloat* params))
COGL_EXT_FUNCTION (void, glTexParameteri,
(GLenum target, GLenum pname, GLint param))
COGL_EXT_FUNCTION (void, glTexSubImage2D,
(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
const GLvoid* pixels))
COGL_EXT_FUNCTION (void, glViewport,
(GLint x, GLint y, GLsizei width, GLsizei height))
COGL_EXT_END ()
/* These are the core GL functions which are available when the API
supports fixed-function (ie, GL and GLES1.1) */
COGL_EXT_BEGIN (fixed_function_core,
0, 0,
COGL_EXT_IN_GLES,
"\0",
"\0")
COGL_EXT_FUNCTION (void, glAlphaFunc,
(GLenum func, GLclampf ref))
COGL_EXT_FUNCTION (void, glFogf,
(GLenum pname, GLfloat param))
COGL_EXT_FUNCTION (void, glFogfv,
(GLenum pname, const GLfloat *params))
COGL_EXT_FUNCTION (void, glLoadMatrixf,
(const GLfloat *m))
COGL_EXT_FUNCTION (void, glMaterialfv,
(GLenum face, GLenum pname, const GLfloat *params))
COGL_EXT_FUNCTION (void, glPointSize,
(GLfloat size))
COGL_EXT_FUNCTION (void, glTexEnvfv,
(GLenum target, GLenum pname, const GLfloat *params))
COGL_EXT_FUNCTION (void, glColor4ub,
(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha))
COGL_EXT_FUNCTION (void, glColorPointer,
(GLint size,
GLenum type,
GLsizei stride,
const GLvoid *pointer))
COGL_EXT_FUNCTION (void, glDisableClientState,
(GLenum array))
COGL_EXT_FUNCTION (void, glEnableClientState,
(GLenum array))
COGL_EXT_FUNCTION (void, glLoadIdentity,
(void))
COGL_EXT_FUNCTION (void, glMatrixMode,
(GLenum mode))
COGL_EXT_FUNCTION (void, glNormalPointer,
(GLenum type, GLsizei stride, const GLvoid *pointer))
COGL_EXT_FUNCTION (void, glTexCoordPointer,
(GLint size,
GLenum type,
GLsizei stride,
const GLvoid *pointer))
COGL_EXT_FUNCTION (void, glTexEnvi,
(GLenum target,
GLenum pname,
GLint param))
COGL_EXT_FUNCTION (void, glVertexPointer,
(GLint size,
GLenum type,
GLsizei stride,
const GLvoid *pointer))
COGL_EXT_END ()
/* These are the core GL functions which are only available in big
GL */
COGL_EXT_BEGIN (only_in_big_gl,
0, 0,
0, /* not in GLES */
"\0",
"\0")
COGL_EXT_FUNCTION (void, glGetTexLevelParameteriv,
(GLenum target, GLint level,
GLenum pname, GLint *params))
COGL_EXT_FUNCTION (void, glGetTexImage,
(GLenum target, GLint level,
GLenum format, GLenum type,
GLvoid *pixels))
COGL_EXT_FUNCTION (void, glClipPlane,
(GLenum plane, const double *equation))
COGL_EXT_FUNCTION (void, glDepthRange,
(double near_val, double far_val))
COGL_EXT_FUNCTION (void, glDrawBuffer,
(GLenum mode))
COGL_EXT_END ()
/* These functions are only available in GLES and are used as
replacements for some GL equivalents that only accept double
arguments */
COGL_EXT_BEGIN (only_in_gles1,
255, 255,
COGL_EXT_IN_GLES,
"\0",
"\0")
COGL_EXT_FUNCTION (void, glClipPlanef,
(GLenum plane, const GLfloat *equation))
COGL_EXT_END ()
COGL_EXT_BEGIN (only_in_both_gles,
255, 255,
COGL_EXT_IN_GLES |
COGL_EXT_IN_GLES2,
"\0",
"\0")
COGL_EXT_FUNCTION (void, glDepthRangef,
(GLfloat near_val, GLfloat far_val))
COGL_EXT_END ()
COGL_EXT_BEGIN (offscreen,
255, 255,
COGL_EXT_IN_GLES2,
/* for some reason the ARB version of this
extension doesn't have an ARB suffix for the
functions */
"ARB:\0EXT\0OES\0",
"framebuffer_object\0")
COGL_EXT_FUNCTION (void, glGenRenderbuffers,
(GLsizei n,
GLuint *renderbuffers))
COGL_EXT_FUNCTION (void, glDeleteRenderbuffers,
(GLsizei n,
const GLuint *renderbuffers))
COGL_EXT_FUNCTION (void, glBindRenderbuffer,
(GLenum target,
GLuint renderbuffer))
COGL_EXT_FUNCTION (void, glRenderbufferStorage,
(GLenum target,
GLenum internalformat,
GLsizei width,
GLsizei height))
COGL_EXT_FUNCTION (void, glGenFramebuffers,
(GLsizei n,
GLuint *framebuffers))
COGL_EXT_FUNCTION (void, glBindFramebuffer,
(GLenum target,
GLuint framebuffer))
COGL_EXT_FUNCTION (void, glFramebufferTexture2D,
(GLenum target,
GLenum attachment,
GLenum textarget,
GLuint texture,
GLint level))
COGL_EXT_FUNCTION (void, glFramebufferRenderbuffer,
(GLenum target,
GLenum attachment,
GLenum renderbuffertarget,
GLuint renderbuffer))
COGL_EXT_FUNCTION (GLenum, glCheckFramebufferStatus,
(GLenum target))
COGL_EXT_FUNCTION (void, glDeleteFramebuffers,
(GLsizei n,
const GLuint *framebuffers))
COGL_EXT_FUNCTION (void, glGenerateMipmap,
(GLenum target))
COGL_EXT_FUNCTION (void, glGetFramebufferAttachmentParameteriv,
(GLenum target,
GLenum attachment,
GLenum pname,
GLint *params))
COGL_EXT_END ()
COGL_EXT_BEGIN (offscreen_blit, 255, 255,
0, /* not in either GLES */
"EXT\0ANGLE\0",
"framebuffer_blit\0")
COGL_EXT_FUNCTION (void, glBlitFramebuffer,
(GLint srcX0,
GLint srcY0,
GLint srcX1,
GLint srcY1,
GLint dstX0,
GLint dstY0,
GLint dstX1,
GLint dstY1,
GLbitfield mask,
GLenum filter))
COGL_EXT_END ()
COGL_EXT_BEGIN (offscreen_multisample, 255, 255,
0, /* not in either GLES */
"EXT\0",
"framebuffer_multisample\0")
COGL_EXT_FUNCTION (void, glRenderbufferStorageMultisample,
(GLenum target,
GLsizei samples,
GLenum internalformat,
GLsizei width,
GLsizei height))
COGL_EXT_END ()
/* ARB_fragment_program */
COGL_EXT_BEGIN (arbfp, 255, 255,
0, /* not in either GLES */
"ARB\0",
"fragment_program\0")
COGL_EXT_FUNCTION (void, glGenPrograms,
(GLsizei n,
GLuint *programs))
COGL_EXT_FUNCTION (void, glDeletePrograms,
(GLsizei n,
GLuint *programs))
COGL_EXT_FUNCTION (void, glBindProgram,
(GLenum target,
GLuint program))
COGL_EXT_FUNCTION (void, glProgramString,
(GLenum target,
GLenum format,
GLsizei len,
const void *program))
COGL_EXT_FUNCTION (void, glProgramLocalParameter4fv,
(GLenum target,
GLuint index,
GLfloat *params))
COGL_EXT_END ()
/* The function names in OpenGL 2.0 are different so we can't easily
just check for GL 2.0 */
COGL_EXT_BEGIN (shaders_glsl, 2, 0,
COGL_EXT_IN_GLES2,
"\0",
"\0")
COGL_EXT_FUNCTION (GLuint, glCreateProgram,
(void))
COGL_EXT_FUNCTION (GLuint, glCreateShader,
(GLenum shaderType))
COGL_EXT_FUNCTION (void, glShaderSource,
(GLuint shader,
GLsizei count,
const char **string,
const GLint *length))
COGL_EXT_FUNCTION (void, glCompileShader,
(GLuint shader))
COGL_EXT_FUNCTION (void, glDeleteShader,
(GLuint shader))
COGL_EXT_FUNCTION (void, glAttachShader,
(GLuint program,
GLuint shader))
COGL_EXT_FUNCTION (void, glLinkProgram,
(GLuint program))
COGL_EXT_FUNCTION (void, glUseProgram,
(GLuint program))
COGL_EXT_FUNCTION (GLint, glGetUniformLocation,
(GLuint program,
const char *name))
COGL_EXT_FUNCTION (void, glDeleteProgram,
(GLuint program))
COGL_EXT_FUNCTION (void, glGetShaderInfoLog,
(GLuint shader,
GLsizei maxLength,
GLsizei *length,
char *infoLog))
COGL_EXT_FUNCTION (void, glGetShaderiv,
(GLuint shader,
GLenum pname,
GLint *params))
COGL_EXT_FUNCTION (void, glVertexAttribPointer,
(GLuint index,
GLint size,
GLenum type,
GLboolean normalized,
GLsizei stride,
const GLvoid *pointer))
COGL_EXT_FUNCTION (void, glEnableVertexAttribArray,
(GLuint index))
COGL_EXT_FUNCTION (void, glDisableVertexAttribArray,
(GLuint index))
COGL_EXT_FUNCTION (void, glUniform1f,
(GLint location,
GLfloat v0))
COGL_EXT_FUNCTION (void, glUniform2f,
(GLint location,
GLfloat v0,
GLfloat v1))
COGL_EXT_FUNCTION (void, glUniform3f,
(GLint location,
GLfloat v0,
GLfloat v1,
GLfloat v2))
COGL_EXT_FUNCTION (void, glUniform4f,
(GLint location,
GLfloat v0,
GLfloat v1,
GLfloat v2,
GLfloat v3))
COGL_EXT_FUNCTION (void, glUniform1fv,
(GLint location,
GLsizei count,
const GLfloat * value))
COGL_EXT_FUNCTION (void, glUniform2fv,
(GLint location,
GLsizei count,
const GLfloat * value))
COGL_EXT_FUNCTION (void, glUniform3fv,
(GLint location,
GLsizei count,
const GLfloat * value))
COGL_EXT_FUNCTION (void, glUniform4fv,
(GLint location,
GLsizei count,
const GLfloat * value))
COGL_EXT_FUNCTION (void, glUniform1i,
(GLint location,
GLint v0))
COGL_EXT_FUNCTION (void, glUniform2i,
(GLint location,
GLint v0,
GLint v1))
COGL_EXT_FUNCTION (void, glUniform3i,
(GLint location,
GLint v0,
GLint v1,
GLint v2))
COGL_EXT_FUNCTION (void, glUniform4i,
(GLint location,
GLint v0,
GLint v1,
GLint v2,
GLint v3))
COGL_EXT_FUNCTION (void, glUniform1iv,
(GLint location,
GLsizei count,
const GLint * value))
COGL_EXT_FUNCTION (void, glUniform2iv,
(GLint location,
GLsizei count,
const GLint * value))
COGL_EXT_FUNCTION (void, glUniform3iv,
(GLint location,
GLsizei count,
const GLint * value))
COGL_EXT_FUNCTION (void, glUniform4iv,
(GLint location,
GLsizei count,
const GLint * value))
COGL_EXT_FUNCTION (void, glUniformMatrix2fv,
(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value))
COGL_EXT_FUNCTION (void, glUniformMatrix3fv,
(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value))
COGL_EXT_FUNCTION (void, glUniformMatrix4fv,
(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value))
COGL_EXT_FUNCTION (void, glGetProgramiv,
(GLuint program,
GLenum pname,
GLint *params))
COGL_EXT_FUNCTION (void, glGetProgramInfoLog,
(GLuint program,
GLsizei bufSize,
GLsizei *length,
char *infoLog))
COGL_EXT_FUNCTION (void, glVertexAttrib4f,
(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w))
COGL_EXT_FUNCTION (GLint, glGetAttribLocation,
(GLuint program, const char *name))
COGL_EXT_END ()
COGL_EXT_BEGIN (vbos, 1, 5,
COGL_EXT_IN_GLES |
COGL_EXT_IN_GLES2,
"ARB\0",
"vertex_buffer_object\0")
COGL_EXT_FUNCTION (void, glGenBuffers,
(GLuint n,
GLuint *buffers))
COGL_EXT_FUNCTION (void, glBindBuffer,
(GLenum target,
GLuint buffer))
COGL_EXT_FUNCTION (void, glBufferData,
(GLenum target,
GLsizeiptr size,
const GLvoid *data,
GLenum usage))
COGL_EXT_FUNCTION (void, glBufferSubData,
(GLenum target,
GLintptr offset,
GLsizeiptr size,
const GLvoid *data))
COGL_EXT_FUNCTION (void, glDeleteBuffers,
(GLsizei n,
const GLuint *buffers))
COGL_EXT_END ()
/* GLES doesn't support mapping buffers in core so this has to be a
separate check */
COGL_EXT_BEGIN (map_vbos, 1, 5,
0, /* not in GLES core */
"ARB\0OES\0",
"vertex_buffer_object\0mapbuffer\0")
COGL_EXT_FUNCTION (void *, glMapBuffer,
(GLenum target,
GLenum access))
COGL_EXT_FUNCTION (GLboolean, glUnmapBuffer,
(GLenum target))
COGL_EXT_END ()
COGL_EXT_BEGIN (blending, 1, 2,
COGL_EXT_IN_GLES2,
"\0",
"\0")
COGL_EXT_FUNCTION (void, glBlendEquation,
(GLenum mode))
COGL_EXT_FUNCTION (void, glBlendColor,
(GLclampf red,
GLclampf green,
GLclampf blue,
GLclampf alpha))
COGL_EXT_END ()
COGL_EXT_BEGIN (texture_3d, 1, 2,
0, /* not in either GLES */
"OES\0",
"texture_3D\0")
COGL_EXT_FUNCTION (void, glTexImage3D,
(GLenum target, GLint level,
GLint internalFormat,
GLsizei width, GLsizei height,
GLsizei depth, GLint border,
GLenum format, GLenum type,
const GLvoid *pixels))
COGL_EXT_FUNCTION (void, glTexSubImage3D,
(GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint zoffset, GLsizei width,
GLsizei height, GLsizei depth,
GLenum format,
GLenum type, const GLvoid *pixels))
COGL_EXT_END ()
/* Available in GL 1.3, the multitexture extension or GLES. These are
required */
COGL_EXT_BEGIN (multitexture_part0, 1, 3,
COGL_EXT_IN_GLES |
COGL_EXT_IN_GLES2,
"ARB\0",
"multitexture\0")
COGL_EXT_FUNCTION (void, glActiveTexture,
(GLenum texture))
COGL_EXT_END ()
COGL_EXT_BEGIN (multitexture_part1, 1, 3,
COGL_EXT_IN_GLES,
"ARB\0",
"multitexture\0")
COGL_EXT_FUNCTION (void, glClientActiveTexture,
(GLenum texture))
COGL_EXT_END ()
/* Optional, declared in 1.4 or GLES 1.2 */
COGL_EXT_BEGIN (blend_func_separate, 1, 4,
COGL_EXT_IN_GLES2,
"EXT\0",
"blend_func_separate\0")
COGL_EXT_FUNCTION (void, glBlendFuncSeparate,
(GLenum srcRGB,
GLenum dstRGB,
GLenum srcAlpha,
GLenum dstAlpha))
COGL_EXT_END ()
/* Optional, declared in 2.0 */
COGL_EXT_BEGIN (blend_equation_separate, 2, 0,
COGL_EXT_IN_GLES2,
"EXT\0",
"blend_equation_separate\0")
COGL_EXT_FUNCTION (void, glBlendEquationSeparate,
(GLenum modeRGB,
GLenum modeAlpha))
COGL_EXT_END ()
COGL_EXT_BEGIN (EGL_image, 255, 255,
0, /* not in either GLES */
"OES\0",
"EGL_image\0")
COGL_EXT_FUNCTION (void, glEGLImageTargetTexture2D,
(GLenum target,
GLeglImageOES image))
COGL_EXT_FUNCTION (void, glEGLImageTargetRenderbufferStorage,
(GLenum target,
GLeglImageOES image))
COGL_EXT_END ()
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