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#ifndef __GL_COMMON_H__
#define __GL_COMMON_H__
#include "mp_msg.h"
#include "config.h"
#include <GL/gl.h>
#include "video_out.h"
#ifdef GL_WIN32
#include <windows.h>
#include <GL/glext.h>
#include "w32_common.h"
#else
#include <X11/Xlib.h>
#include <GL/glx.h>
#include "x11_common.h"
#endif
#ifndef GL_TEXTURE_RECTANGLE
#define GL_TEXTURE_RECTANGLE 0x84F5
#endif
#ifndef GL_PIXEL_UNPACK_BUFFER
#define GL_PIXEL_UNPACK_BUFFER 0x88EC
#endif
#ifndef GL_STREAM_DRAW
#define GL_STREAM_DRAW 0x88E0
#endif
#ifndef GL_DYNAMIC_DRAW
#define GL_DYNAMIC_DRAW 0x88E8
#endif
#ifndef GL_WRITE_ONLY
#define GL_WRITE_ONLY 0x88B9
#endif
#ifndef GL_BGR
#define GL_BGR 0x80E0
#endif
#ifndef GL_BGRA
#define GL_BGRA 0x80E1
#endif
#ifndef GL_UNSIGNED_BYTE_3_3_2
#define GL_UNSIGNED_BYTE_3_3_2 0x8032
#endif
#ifndef GL_UNSIGNED_BYTE_2_3_3_REV
#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362
#endif
#ifndef GL_UNSIGNED_SHORT_5_6_5
#define GL_UNSIGNED_SHORT_5_6_5 0x8363
#endif
#ifndef GL_UNSIGNED_SHORT_5_6_5_REV
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
#endif
#ifndef GL_UNSIGNED_SHORT_5_5_5_1
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
#endif
#ifndef GL_UNSIGNED_SHORT_1_5_5_5_REV
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
#endif
void glAdjustAlignment(int stride);
const char *glValName(GLint value);
int glFindFormat(uint32_t format, uint32_t *bpp, GLint *gl_texfmt,
GLenum *gl_format, GLenum *gl_type);
int glFmt2bpp(GLenum format, GLenum type);
void glCreateClearTex(GLenum target, GLenum fmt, GLint filter,
int w, int h, char val);
void glUploadTex(GLenum target, GLenum format, GLenum type,
const char *data, int stride,
int x, int y, int w, int h, int slice);
void glDrawTex(GLfloat x, GLfloat y, GLfloat w, GLfloat h,
GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
int sx, int sy, int rect_tex);
//! could not set new window, will continue drawing into the old one.
#define SET_WINDOW_FAILED -1
//! new window is set, could even transfer the OpenGL context.
#define SET_WINDOW_OK 0
//! new window is set, but the OpenGL context needs to be reinitialized.
#define SET_WINDOW_REINIT 1
#ifdef GL_WIN32
int setGlWindow(int *vinfo, HGLRC *context, HWND win);
void releaseGlContext(int *vinfo, HGLRC *context);
#else
int setGlWindow(XVisualInfo **vinfo, GLXContext *context, Window win);
void releaseGlContext(XVisualInfo **vinfo, GLXContext *context);
#endif
extern void (APIENTRY *GenBuffers)(GLsizei, GLuint *);
extern void (APIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
extern void (APIENTRY *BindBuffer)(GLenum, GLuint);
extern GLvoid* (APIENTRY *MapBuffer)(GLenum, GLenum);
extern GLboolean (APIENTRY *UnmapBuffer)(GLenum);
extern void (APIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
extern void (APIENTRY *CombinerParameterfv)(GLenum, const GLfloat *);
extern void (APIENTRY *CombinerParameteri)(GLenum, GLint);
extern void (APIENTRY *CombinerInput)(GLenum, GLenum, GLenum, GLenum, GLenum,
GLenum);
extern void (APIENTRY *CombinerOutput)(GLenum, GLenum, GLenum, GLenum, GLenum,
GLenum, GLenum, GLboolean, GLboolean,
GLboolean);
extern void (APIENTRY *ActiveTexture)(GLenum);
extern void (APIENTRY *BindTexture)(GLenum, GLuint);
extern void (APIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
extern void (APIENTRY *BindProgram)(GLenum, GLuint);
extern void (APIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
extern void (APIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
GLfloat, GLfloat);
extern int (APIENTRY *SwapInterval)(int);
#endif
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