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/*
* utils_glx.h - GLX utilities
*
* libva-driver-vdpau (C) 2009-2011 Splitted-Desktop Systems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef UTILS_GLX_H
#define UTILS_GLX_H
#include <GL/gl.h>
#include <GL/glext.h>
#include <GL/glx.h>
#include <GL/glxext.h>
#include <vdpau/vdpau.h>
/* GL_NV_vdpau_interop */
#if GL_GLEXT_VERSION < 64
typedef GLintptr GLvdpauSurfaceNV;
typedef void (*PFNGLVDPAUINITNVPROC)(const GLvoid *vdpDevice, const GLvoid *getProcAddress);
typedef void (*PFNGLVDPAUFININVPROC)(void);
typedef GLvdpauSurfaceNV (*PFNGLVDPAUREGISTERVIDEOSURFACENVPROC)(const GLvoid *vdpSurface, GLenum target, GLsizei numTextureNames, const GLuint *textureNames);
typedef GLvdpauSurfaceNV (*PFNGLVDPAUREGISTEROUTPUTSURFACENVPROC)(const GLvoid *vdpSurface, GLenum target, GLsizei numTextureNames, const GLuint *textureNames);
typedef GLboolean (*PFNGLVDPAUISSURFACENVPROC)(GLvdpauSurfaceNV surface);
typedef void (*PFNGLVDPAUUNREGISTERSURFACENVPROC)(GLvdpauSurfaceNV surface);
typedef void (*PFNGLVDPAUGETSURFACEIVNVPROC)(GLvdpauSurfaceNV surface, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values);
typedef void (*PFNGLVDPAUSURFACEACCESSNVPROC)(GLvdpauSurfaceNV surface, GLenum access);
typedef void (*PFNGLVDPAUMAPSURFACESNVPROC)(GLsizei numSurfaces, const GLvdpauSurfaceNV *surfaces);
typedef void (*PFNGLVDPAUUNMAPSURFACESNVPROC)(GLsizei numSurface, const GLvdpauSurfaceNV *surfaces);
#endif
/* GLX_EXT_texture_from_pixmap */
#if GLX_GLXEXT_VERSION < 18
typedef void (*PFNGLXBINDTEXIMAGEEXTPROC)(Display *, GLXDrawable, int, const int *);
typedef void (*PFNGLXRELEASETEXIMAGEEXTPROC)(Display *, GLXDrawable, int);
#endif
#ifndef GL_FRAMEBUFFER_BINDING
#define GL_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING_EXT
#endif
#ifndef GL_FRAGMENT_PROGRAM
#define GL_FRAGMENT_PROGRAM GL_FRAGMENT_PROGRAM_ARB
#endif
#ifndef GL_PROGRAM_FORMAT_ASCII
#define GL_PROGRAM_FORMAT_ASCII GL_PROGRAM_FORMAT_ASCII_ARB
#endif
#ifndef GL_PROGRAM_ERROR_POSITION
#define GL_PROGRAM_ERROR_POSITION GL_PROGRAM_ERROR_POSITION_ARB
#endif
#ifndef GL_PROGRAM_ERROR_STRING
#define GL_PROGRAM_ERROR_STRING GL_PROGRAM_ERROR_STRING_ARB
#endif
#ifndef GL_PROGRAM_UNDER_NATIVE_LIMITS
#define GL_PROGRAM_UNDER_NATIVE_LIMITS GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB
#endif
const char *
gl_get_error_string(GLenum error)
attribute_hidden;
void
gl_purge_errors(void)
attribute_hidden;
int
gl_check_error(void)
attribute_hidden;
int
gl_get_current_color(float color[4])
attribute_hidden;
int
gl_get_param(GLenum param, unsigned int *pval)
attribute_hidden;
int
gl_get_texture_param(GLenum target, GLenum param, unsigned int *pval)
attribute_hidden;
void
gl_set_bgcolor(uint32_t color)
attribute_hidden;
void
gl_set_texture_scaling(GLenum target, GLenum scale)
attribute_hidden;
void
gl_resize(unsigned int width, unsigned int height)
attribute_hidden;
typedef struct _GLContextState GLContextState;
struct _GLContextState {
Display *display;
Window window;
XVisualInfo *visual;
GLXContext context;
};
GLContextState *
gl_create_context(Display *dpy, int screen, GLContextState *parent)
attribute_hidden;
void
gl_destroy_context(GLContextState *cs)
attribute_hidden;
void
gl_init_context(GLContextState *cs)
attribute_hidden;
void
gl_get_current_context(GLContextState *cs)
attribute_hidden;
int
gl_set_current_context(GLContextState *new_cs, GLContextState *old_cs)
attribute_hidden;
void
gl_swap_buffers(GLContextState *cs)
attribute_hidden;
GLuint
gl_create_texture(GLenum target, GLenum format, unsigned int width, unsigned int height)
attribute_hidden;
typedef struct _GLVTable GLVTable;
struct _GLVTable {
PFNGLXBINDTEXIMAGEEXTPROC glx_bind_tex_image;
PFNGLXRELEASETEXIMAGEEXTPROC glx_release_tex_image;
PFNGLGENFRAMEBUFFERSEXTPROC gl_gen_framebuffers;
PFNGLDELETEFRAMEBUFFERSEXTPROC gl_delete_framebuffers;
PFNGLBINDFRAMEBUFFEREXTPROC gl_bind_framebuffer;
PFNGLGENRENDERBUFFERSEXTPROC gl_gen_renderbuffers;
PFNGLDELETERENDERBUFFERSEXTPROC gl_delete_renderbuffers;
PFNGLBINDRENDERBUFFEREXTPROC gl_bind_renderbuffer;
PFNGLRENDERBUFFERSTORAGEEXTPROC gl_renderbuffer_storage;
PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC gl_framebuffer_renderbuffer;
PFNGLFRAMEBUFFERTEXTURE2DEXTPROC gl_framebuffer_texture_2d;
PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC gl_check_framebuffer_status;
PFNGLGENPROGRAMSARBPROC gl_gen_programs;
PFNGLDELETEPROGRAMSARBPROC gl_delete_programs;
PFNGLBINDPROGRAMARBPROC gl_bind_program;
PFNGLPROGRAMSTRINGARBPROC gl_program_string;
PFNGLGETPROGRAMIVARBPROC gl_get_program_iv;
PFNGLPROGRAMLOCALPARAMETER4FVARBPROC gl_program_local_parameter_4fv;
PFNGLACTIVETEXTUREPROC gl_active_texture;
PFNGLMULTITEXCOORD2FPROC gl_multi_tex_coord_2f;
PFNGLVDPAUINITNVPROC gl_vdpau_init;
PFNGLVDPAUFININVPROC gl_vdpau_fini;
PFNGLVDPAUREGISTERVIDEOSURFACENVPROC gl_vdpau_register_video_surface;
PFNGLVDPAUREGISTEROUTPUTSURFACENVPROC gl_vdpau_register_output_surface;
PFNGLVDPAUISSURFACENVPROC gl_vdpau_is_surface;
PFNGLVDPAUUNREGISTERSURFACENVPROC gl_vdpau_unregister_surface;
PFNGLVDPAUGETSURFACEIVNVPROC gl_vdpau_get_surface_iv;
PFNGLVDPAUSURFACEACCESSNVPROC gl_vdpau_surface_access;
PFNGLVDPAUMAPSURFACESNVPROC gl_vdpau_map_surfaces;
PFNGLVDPAUUNMAPSURFACESNVPROC gl_vdpau_unmap_surfaces;
unsigned int has_texture_non_power_of_two : 1;
unsigned int has_texture_rectangle : 1;
unsigned int has_texture_from_pixmap : 1;
unsigned int has_framebuffer_object : 1;
unsigned int has_fragment_program : 1;
unsigned int has_multitexture : 1;
unsigned int has_vdpau_interop : 1;
};
GLVTable *
gl_get_vtable(void)
attribute_hidden;
typedef struct _GLPixmapObject GLPixmapObject;
struct _GLPixmapObject {
Display *dpy;
GLenum target;
GLuint texture;
unsigned int width;
unsigned int height;
Pixmap pixmap;
GLXPixmap glx_pixmap;
unsigned int is_bound : 1;
};
GLPixmapObject *
gl_create_pixmap_object(
Display *dpy,
GLenum target,
unsigned int width,
unsigned int height
) attribute_hidden;
void
gl_destroy_pixmap_object(GLPixmapObject *pixo)
attribute_hidden;
int
gl_bind_pixmap_object(GLPixmapObject *pixo)
attribute_hidden;
int
gl_unbind_pixmap_object(GLPixmapObject *pixo)
attribute_hidden;
typedef struct _GLFramebufferObject GLFramebufferObject;
struct _GLFramebufferObject {
unsigned int width;
unsigned int height;
GLuint fbo;
GLuint old_fbo;
unsigned int is_bound : 1;
};
GLFramebufferObject *
gl_create_framebuffer_object(
GLenum target,
GLuint texture,
unsigned int width,
unsigned int height
) attribute_hidden;
void
gl_destroy_framebuffer_object(GLFramebufferObject *fbo)
attribute_hidden;
int
gl_bind_framebuffer_object(GLFramebufferObject *fbo)
attribute_hidden;
int
gl_unbind_framebuffer_object(GLFramebufferObject *fbo)
attribute_hidden;
int
gl_vdpau_init(VdpDevice device, VdpGetProcAddress get_proc_address)
attribute_hidden;
void
gl_vdpau_exit(void)
attribute_hidden;
typedef struct _GLVdpSurface GLVdpSurface;
struct _GLVdpSurface {
GLvdpauSurfaceNV surface;
GLenum target;
unsigned int num_textures;
GLuint textures[4];
unsigned int is_bound : 1;
};
GLVdpSurface *
gl_vdpau_create_video_surface(GLenum target, VdpVideoSurface surface)
attribute_hidden;
GLVdpSurface *
gl_vdpau_create_output_surface(GLenum target, VdpOutputSurface surface)
attribute_hidden;
void
gl_vdpau_destroy_surface(GLVdpSurface *s)
attribute_hidden;
int
gl_vdpau_bind_surface(GLVdpSurface *s)
attribute_hidden;
int
gl_vdpau_unbind_surface(GLVdpSurface *s)
attribute_hidden;
#endif /* UTILS_GLX_H */
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