gstreamer/sys/glsink/glextensions.c
David Schleef 11b0b3dd23 sys/glsink/: A careful read of the documentation reveals that I can't use renderbuffers as textures. Duh. Checkpoin...
Original commit message from CVS:
* sys/glsink/glextensions.c:
* sys/glsink/glextensions.h:
* sys/glsink/glvideo.c:
* sys/glsink/glvideo.h:
* sys/glsink/gstglbuffer.c:
* sys/glsink/gstgldownload.c:
* sys/glsink/gstglupload.c:
A careful read of the documentation reveals that I can't use
renderbuffers as textures.  Duh.  Checkpoint because I'm about
to rewrite a bunch of code.
2007-12-22 05:01:58 +00:00

183 lines
6.7 KiB
C

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <GL/glx.h>
#include <GL/glxext.h>
#include <string.h>
#include "glextensions.h"
int
gl_have_extension (const char *name)
{
const char *s;
s = (const char *) glGetString (GL_EXTENSIONS);
if (s == NULL)
return FALSE;
if (strstr (s, name))
return TRUE;
return FALSE;
}
extern __GLXextFuncPtr glXGetProcAddressARB (const GLubyte *);
#define DEFINE_FUNC_RET(name,return_type,prototype,args) \
return_type name prototype \
{ \
static return_type (*func) prototype; \
if (func == NULL) { \
func = (void *) glXGetProcAddressARB ((unsigned char *) #name); \
} \
return func args; \
}
#define DEFINE_FUNC(name,prototype,args) \
void name prototype \
{ \
static void (*func) prototype; \
if (func == NULL) { \
func = (void *) glXGetProcAddressARB ((unsigned char *) #name); \
} \
func args; \
}
DEFINE_FUNC_RET (glCreateShaderObjectARB, GLhandleARB,
(GLenum shaderType), (shaderType));
#if 0
typedef GLhandleARB type_glCreateShaderObjectARB (GLenum shaderType);
GLhandleARB
glCreateShaderObjectARB (GLenum shaderType)
{
type_glCreateShaderObjectARB *func;
if (func == NULL) {
func = (type_glCreateShaderObjectARB *)
glXGetProcAddress ((unsigned char *) "glCreateShaderObjectARB");
}
return (*func) (shaderType);
}
#endif
DEFINE_FUNC (glShaderSourceARB,
(GLhandleARB shaderObj, GLsizei count, const GLcharARB ** string,
const GLint * length), (shaderObj, count, string, length));
DEFINE_FUNC (glUniform2fARB,
(GLint location, GLfloat val1, GLfloat val2), (location, val1, val2));
DEFINE_FUNC_RET (glGetUniformLocationARB, GLint,
(GLhandleARB programObj, const GLcharARB * name), (programObj, name));
DEFINE_FUNC (glUniform1iARB, (GLint location, GLint val), (location, val));
DEFINE_FUNC (glGetObjectParameterivARB, (GLhandleARB object, GLenum pname,
GLint * params), (object, pname, params));
DEFINE_FUNC (glCompileShaderARB, (GLhandleARB shader), (shader));
DEFINE_FUNC (glGetInfoLogARB, (GLhandleARB object, GLsizei maxLength,
GLsizei * length, GLcharARB * infoLog), (object, maxLength, length,
infoLog));
DEFINE_FUNC_RET (glCreateProgramObjectARB, GLhandleARB, (void), ());
DEFINE_FUNC (glAttachObjectARB, (GLhandleARB program, GLhandleARB shader),
(program, shader));
DEFINE_FUNC (glLinkProgramARB, (GLhandleARB program), (program));
DEFINE_FUNC (glUseProgramObjectARB, (GLhandleARB program), (program));
DEFINE_FUNC (glPixelDataRangeNV, (GLenum target, GLsizei length, void *pointer),
(target, length, pointer));
DEFINE_FUNC_RET (glXGetSyncValuesOML, Bool,
(Display * display, GLXDrawable drawable, int64_t * ust, int64_t * msc,
int64_t * sbc), (display, drawable, ust, msc, sbc));
DEFINE_FUNC_RET (glXGetMscRateOML, Bool,
(Display * display, GLXDrawable drawable, int32_t * numerator,
int32_t * denominator), (display, drawable, numerator, denominator));
DEFINE_FUNC_RET (glXSwapBuffersMscOML, int64_t,
(Display * display, GLXDrawable drawable, int64_t target_msc,
int64_t divisor, int64_t remainder), (display, drawable, target_msc,
divisor, remainder));
DEFINE_FUNC_RET (glXWaitForMscOML, Bool,
(Display * display, GLXDrawable drawable, int64_t target_msc,
int64_t divisor, int64_t remainder, int64_t * ust, int64_t * msc,
int64_t * sbc), (display, drawable, target_msc, divisor, remainder, ust,
msc, sbc));
DEFINE_FUNC_RET (glXWaitForSbcOML, Bool,
(Display * display, GLXDrawable drawable, int64_t target_sbc, int64_t * ust,
int64_t * msc, int64_t * sbc), (display, drawable, target_sbc, ust, msc,
sbc));
DEFINE_FUNC_RET (glXSwapIntervalSGI, int, (int interval), (interval));
DEFINE_FUNC_RET (glXSwapIntervalMESA, int, (unsigned int interval), (interval));
#if 0
DEFINE_FUNC (glBindFramebufferEXT, (int target, uint framebuffer),
(target, framebuffer));
DEFINE_FUNC (glDeleteRenderbuffersEXT, (int n, unsigned int *renderbuffers),
(n, renderbuffers));
DEFINE_FUNC (glGenRenderbuffersEXT, (int n, unsigned int *renderbuffers),
(n, renderbuffers));
DEFINE_FUNC (glRenderbufferStorageEXT, (int target, int internalformat,
int width, int height), (target, internalformat, width, height));
DEFINE_FUNC (glBindRenderbufferEXT, (int target, unsigned int renderbuffer),
(target, renderbuffer));
DEFINE_FUNC (glFramebufferRenderbufferEXT,
(int target, int attachment, int renderbuffertarget,
unsigned int renderbuffer), (target, attachment, renderbuffertarget,
renderbuffer));
#endif
/* EXT_framebuffer_object */
DEFINE_FUNC_RET (glIsRenderbufferEXT, Bool,
(GLuint renderbuffer), (renderbuffer));
DEFINE_FUNC (glBindRenderbufferEXT,
(GLenum target, GLuint renderbuffer), (target, renderbuffer));
DEFINE_FUNC (glDeleteRenderbuffersEXT,
(GLsizei n, GLuint * renderbuffers), (n, renderbuffers));
DEFINE_FUNC (glGenRenderbuffersEXT,
(GLsizei n, GLuint * renderbuffers), (n, renderbuffers));
DEFINE_FUNC (glRenderbufferStorageEXT,
(GLenum target, GLenum internalformat, GLsizei width, GLsizei height),
(target, internalformat, width, height));
DEFINE_FUNC (glGetRenderbufferParameterivEXT,
(GLenum target, GLenum pname, GLint * params), (target, pname, params));
DEFINE_FUNC_RET (glIsFramebufferEXT, Bool, (GLuint framebuffer), (framebuffer));
DEFINE_FUNC (glBindFramebufferEXT,
(GLenum target, GLuint framebuffer), (target, framebuffer));
DEFINE_FUNC (glDeleteFramebuffersEXT,
(GLsizei n, GLuint * framebuffers), (n, framebuffers));
DEFINE_FUNC (glGenFramebuffersEXT,
(GLsizei n, GLuint * framebuffers), (n, framebuffers));
DEFINE_FUNC_RET (glCheckFramebufferStatusEXT, GLenum,
(GLenum target), (target));
DEFINE_FUNC (glFramebufferTexture1DEXT,
(GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
GLint level), (target, attachment, textarget, texture, level));
DEFINE_FUNC (glFramebufferTexture2DEXT, (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level), (target, attachment,
textarget, texture, level));
DEFINE_FUNC (glFramebufferTexture3DEXT, (GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level, GLint zoffset), (target,
attachment, textarget, texture, level, zoffset));
DEFINE_FUNC (glFramebufferRenderbufferEXT, (GLenum target, GLenum attachment,
GLenum renderbuffertarget, GLuint renderbuffer), (target, attachment,
renderbuffertarget, renderbuffer));
DEFINE_FUNC (glGetFramebufferAttachmentParameterivEXT, (GLenum target,
GLenum pname, GLint * params), (target, pname, params));
DEFINE_FUNC (glGenerateMipmapEXT, (GLenum target), (target));
DEFINE_FUNC (glWindowPos2iARB, (GLint x, GLint y), (x, y));