libvo/gl_common.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * You can alternatively redistribute this file and/or
  19  * modify it under the terms of the GNU Lesser General Public
  20  * License as published by the Free Software Foundation; either
  21  * version 2.1 of the License, or (at your option) any later version.
  22  */
  23
  24 #ifndef MPLAYER_GL_COMMON_H
  25 #define MPLAYER_GL_COMMON_H
  26
  27 #include <stdio.h>
  28 #include <stdint.h>
  29
  30 #include "config.h"
  31 #include "mp_msg.h"
  32
  33 #include "video_out.h"
  34 #include "csputils.h"
  35
  36 #ifdef CONFIG_GL_WIN32
  37 #include <windows.h>
  38 #include "w32_common.h"
  39 #endif
  40 #ifdef CONFIG_GL_X11
  41 #include <X11/Xlib.h>
  42 #include <GL/glx.h>
  43 #include "x11_common.h"
  44 // This old-vo wrapper macro would conflict with the struct member
  45 #undef update_xinerama_info
  46 #endif
  47
  48 #if defined(CONFIG_GL_COCOA) && !defined(CONFIG_GL_X11)
  49 #include <OpenGL/gl.h>
  50 #else
  51 #include <GL/gl.h>
  52 #endif
  53
  54 #ifdef CONFIG_GL_WIN32
  55 #include <GL/glext.h>
  56 #endif
  57
  58 #include "libvo/gl_header_fixes.h"
  59
  60 struct GL;
  61 typedef struct GL GL;
  62
  63 void glAdjustAlignment(GL *gl, int stride);
  64
  65 const char *glValName(GLint value);
  66
  67 int glFindFormat(uint32_t format, int have_texture_rg, int *bpp,
  68                  GLint *gl_texfmt, GLenum *gl_format, GLenum *gl_type);
  69 int glFmt2bpp(GLenum format, GLenum type);
  70 void glCreateClearTex(GL *gl, GLenum target, GLenum fmt, GLenum format,
  71                       GLenum type, GLint filter, int w, int h,
  72                       unsigned char val);
  73 int glCreatePPMTex(GL *gl, GLenum target, GLenum fmt, GLint filter,
  74                    FILE *f, int *width, int *height, int *maxval);
  75 void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
  76                  const void *dataptr, int stride,
  77                  int x, int y, int w, int h, int slice);
  78 void glDownloadTex(GL *gl, GLenum target, GLenum format, GLenum type,
  79                    void *dataptr, int stride);
  80 void glDrawTex(GL *gl, GLfloat x, GLfloat y, GLfloat w, GLfloat h,
  81                GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
  82                int sx, int sy, int rect_tex, int is_yv12, int flip);
  83 int loadGPUProgram(GL *gl, GLenum target, char *prog);
  84 void glCheckError(GL *gl, const char *info);
  85
  86 /** \addtogroup glconversion
  87  * \{ */
  88 //! do not use YUV conversion, this should always stay 0
  89 #define YUV_CONVERSION_NONE 0
  90 //! use nVidia specific register combiners for YUV conversion
  91 //! implementation has been removed
  92 #define YUV_CONVERSION_COMBINERS 1
  93 //! use a fragment program for YUV conversion
  94 #define YUV_CONVERSION_FRAGMENT 2
  95 //! use a fragment program for YUV conversion with gamma using POW
  96 #define YUV_CONVERSION_FRAGMENT_POW 3
  97 //! use a fragment program with additional table lookup for YUV conversion
  98 #define YUV_CONVERSION_FRAGMENT_LOOKUP 4
  99 //! use ATI specific register combiners ("fragment program")
 100 #define YUV_CONVERSION_COMBINERS_ATI 5
 101 //! use a fragment program with 3D table lookup for YUV conversion
 102 #define YUV_CONVERSION_FRAGMENT_LOOKUP3D 6
 103 //! use ATI specific "text" register combiners ("fragment program")
 104 #define YUV_CONVERSION_TEXT_FRAGMENT 7
 105 //! use normal bilinear scaling for textures
 106 #define YUV_SCALER_BILIN 0
 107 //! use higher quality bicubic scaling for textures
 108 #define YUV_SCALER_BICUB 1
 109 //! use cubic scaling in X and normal linear scaling in Y direction
 110 #define YUV_SCALER_BICUB_X 2
 111 //! use cubic scaling without additional lookup texture
 112 #define YUV_SCALER_BICUB_NOTEX 3
 113 #define YUV_SCALER_UNSHARP 4
 114 #define YUV_SCALER_UNSHARP2 5
 115 //! mask for conversion type
 116 #define YUV_CONVERSION_MASK 0xF
 117 //! mask for scaler type
 118 #define YUV_SCALER_MASK 0xF
 119 //! shift value for luminance scaler type
 120 #define YUV_LUM_SCALER_SHIFT 8
 121 //! shift value for chrominance scaler type
 122 #define YUV_CHROM_SCALER_SHIFT 12
 123 //! extract conversion out of type
 124 #define YUV_CONVERSION(t) ((t) & YUV_CONVERSION_MASK)
 125 //! extract luminance scaler out of type
 126 #define YUV_LUM_SCALER(t) (((t) >> YUV_LUM_SCALER_SHIFT) & YUV_SCALER_MASK)
 127 //! extract chrominance scaler out of type
 128 #define YUV_CHROM_SCALER(t) (((t) >> YUV_CHROM_SCALER_SHIFT) & YUV_SCALER_MASK)
 129 #define SET_YUV_CONVERSION(c)   ((c) & YUV_CONVERSION_MASK)
 130 #define SET_YUV_LUM_SCALER(s)   (((s) & YUV_SCALER_MASK) << YUV_LUM_SCALER_SHIFT)
 131 #define SET_YUV_CHROM_SCALER(s) (((s) & YUV_SCALER_MASK) << YUV_CHROM_SCALER_SHIFT)
 132 //! returns whether the yuv conversion supports large brightness range etc.
 133 static inline int glYUVLargeRange(int conv)
 134 {
 135     switch (conv) {
 136     case YUV_CONVERSION_NONE:
 137     case YUV_CONVERSION_COMBINERS_ATI:
 138     case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
 139     case YUV_CONVERSION_TEXT_FRAGMENT:
 140         return 0;
 141     }
 142     return 1;
 143 }
 144 /** \} */
 145
 146 typedef struct {
 147     GLenum target;
 148     int type;
 149     struct mp_csp_params csp_params;
 150     int texw;
 151     int texh;
 152     int chrom_texw;
 153     int chrom_texh;
 154     float filter_strength;
 155     float noise_strength;
 156 } gl_conversion_params_t;
 157
 158 int glAutodetectYUVConversion(GL *gl);
 159 void glSetupYUVConversion(GL *gl, gl_conversion_params_t *params);
 160 void glEnableYUVConversion(GL *gl, GLenum target, int type);
 161 void glDisableYUVConversion(GL *gl, GLenum target, int type);
 162
 163 #define GL_3D_RED_CYAN        1
 164 #define GL_3D_GREEN_MAGENTA   2
 165 #define GL_3D_QUADBUFFER      3
 166
 167 void glEnable3DLeft(GL *gl, int type);
 168 void glEnable3DRight(GL *gl, int type);
 169 void glDisable3D(GL *gl, int type);
 170
 171 /** \addtogroup glcontext
 172  * \{ */
 173 //! could not set new window, will continue drawing into the old one.
 174 #define SET_WINDOW_FAILED -1
 175 //! new window is set, could even transfer the OpenGL context.
 176 #define SET_WINDOW_OK 0
 177 //! new window is set, but the OpenGL context needs to be reinitialized.
 178 #define SET_WINDOW_REINIT 1
 179 /** \} */
 180
 181 enum MPGLType {
 182     GLTYPE_AUTO,
 183     GLTYPE_COCOA,
 184     GLTYPE_W32,
 185     GLTYPE_X11,
 186     GLTYPE_SDL,
 187 };
 188
 189 enum {
 190     MPGLFLAG_DEBUG = 1,
 191 };
 192
 193 #define MPGL_VER(major, minor) (((major) << 16) | (minor))
 194 #define MPGL_VER_GET_MAJOR(ver) ((ver) >> 16)
 195 #define MPGL_VER_GET_MINOR(ver) ((ver) & ((1 << 16) - 1))
 196
 197 typedef struct MPGLContext {
 198     GL *gl;
 199     enum MPGLType type;
 200     struct vo *vo;
 201     // Bit size of each component in the created framebuffer. 0 if unknown.
 202     int depth_r, depth_g, depth_b;
 203     union {
 204         int w32;
 205 #ifdef CONFIG_GL_X11
 206         XVisualInfo *x11;
 207 #endif
 208     } vinfo;
 209     union {
 210 #ifdef CONFIG_GL_WIN32
 211         HGLRC w32;
 212 #endif
 213 #ifdef CONFIG_GL_X11
 214         GLXContext x11;
 215 #endif
 216     } context;
 217     int (*create_window)(struct MPGLContext *ctx, uint32_t d_width,
 218                          uint32_t d_height, uint32_t flags);
 219     int (*setGlWindow)(struct MPGLContext *);
 220     void (*releaseGlContext)(struct MPGLContext *);
 221     void (*swapGlBuffers)(struct MPGLContext *);
 222     int (*check_events)(struct vo *vo);
 223     void (*fullscreen)(struct vo *vo);
 224     // only available if GL3 context creation is supported
 225     // gl_flags: bitfield of MPGLFLAG_* constants
 226     // gl_version: requested OpenGL version number (use MPGL_VER())
 227     // return value is one of the SET_WINDOW_* constants
 228     int (*create_window_gl3)(struct MPGLContext *ctx, int gl_flags,
 229                              int gl_version, uint32_t d_width,
 230                              uint32_t d_height, uint32_t flags);
 231     // optional
 232     void (*ontop)(struct vo *vo);
 233     void (*border)(struct vo *vo);
 234     void (*update_xinerama_info)(struct vo *vo);
 235 } MPGLContext;
 236
 237 int mpgl_find_backend(const char *name);
 238
 239 MPGLContext *init_mpglcontext(enum MPGLType type, struct vo *vo);
 240 void uninit_mpglcontext(MPGLContext *ctx);
 241
 242 // calls create_window_gl3 or create_window+setGlWindow
 243 int create_mpglcontext(struct MPGLContext *ctx, int gl_flags, int gl_version,
 244                        uint32_t d_width, uint32_t d_height, uint32_t flags);
 245
 246 // print a multi line string with line numbers (e.g. for shader sources)
 247 // mod, lev: module and log level, as in mp_msg()
 248 void mp_log_source(int mod, int lev, const char *src);
 249
 250 //function pointers loaded from the OpenGL library
 251 struct GL {
 252     void (GLAPIENTRY *Begin)(GLenum);
 253     void (GLAPIENTRY *End)(void);
 254     void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
 255     void (GLAPIENTRY *MatrixMode)(GLenum);
 256     void (GLAPIENTRY *LoadIdentity)(void);
 257     void (GLAPIENTRY *Translated)(double, double, double);
 258     void (GLAPIENTRY *Scaled)(double, double, double);
 259     void (GLAPIENTRY *Ortho)(double, double, double, double, double,double);
 260     void (GLAPIENTRY *PushMatrix)(void);
 261     void (GLAPIENTRY *PopMatrix)(void);
 262     void (GLAPIENTRY *Clear)(GLbitfield);
 263     GLuint (GLAPIENTRY *GenLists)(GLsizei);
 264     void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
 265     void (GLAPIENTRY *NewList)(GLuint, GLenum);
 266     void (GLAPIENTRY *EndList)(void);
 267     void (GLAPIENTRY *CallList)(GLuint);
 268     void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
 269     void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
 270     void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
 271     void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint);
 272     void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
 273     void (GLAPIENTRY *Color4f)(GLfloat, GLfloat, GLfloat, GLfloat);
 274     void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
 275     void (GLAPIENTRY *Enable)(GLenum);
 276     void (GLAPIENTRY *Disable)(GLenum);
 277     const GLubyte *(GLAPIENTRY * GetString)(GLenum);
 278     void (GLAPIENTRY *DrawBuffer)(GLenum);
 279     void (GLAPIENTRY *DepthMask)(GLboolean);
 280     void (GLAPIENTRY *BlendFunc)(GLenum, GLenum);
 281     void (GLAPIENTRY *Flush)(void);
 282     void (GLAPIENTRY *Finish)(void);
 283     void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
 284     void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint,
 285                                   GLenum, GLenum, const GLvoid *);
 286     void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei,
 287                                   GLint, GLenum, GLenum, const GLvoid *);
 288     void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint,
 289                                      GLsizei, GLsizei, GLenum, GLenum,
 290                                      const GLvoid *);
 291     void (GLAPIENTRY *GetTexImage)(GLenum, GLint, GLenum, GLenum, GLvoid *);
 292     void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
 293     void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
 294     void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
 295     void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
 296     void (GLAPIENTRY *TexCoord2fv)(const GLfloat *);
 297     void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
 298     void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
 299     void (GLAPIENTRY *GetBooleanv)(GLenum, GLboolean *);
 300     void (GLAPIENTRY *ColorMask)(GLboolean, GLboolean, GLboolean, GLboolean);
 301     void (GLAPIENTRY *ReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum,
 302                                   GLenum, GLvoid *);
 303     void (GLAPIENTRY *ReadBuffer)(GLenum);
 304     void (GLAPIENTRY *VertexPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 305     void (GLAPIENTRY *ColorPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 306     void (GLAPIENTRY *TexCoordPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 307     void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
 308     void (GLAPIENTRY *EnableClientState)(GLenum);
 309     void (GLAPIENTRY *DisableClientState)(GLenum);
 310     GLenum (GLAPIENTRY *GetError)(void);
 311
 312
 313     // OpenGL extension functions
 314     void (GLAPIENTRY *GenBuffers)(GLsizei, GLuint *);
 315     void (GLAPIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
 316     void (GLAPIENTRY *BindBuffer)(GLenum, GLuint);
 317     GLvoid * (GLAPIENTRY * MapBuffer)(GLenum, GLenum);
 318     GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum);
 319     void (GLAPIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
 320     void (GLAPIENTRY *ActiveTexture)(GLenum);
 321     void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
 322     void (GLAPIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
 323     void (GLAPIENTRY *GenPrograms)(GLsizei, GLuint *);
 324     void (GLAPIENTRY *DeletePrograms)(GLsizei, const GLuint *);
 325     void (GLAPIENTRY *BindProgram)(GLenum, GLuint);
 326     void (GLAPIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
 327     void (GLAPIENTRY *GetProgramivARB)(GLenum, GLenum, GLint *);
 328     void (GLAPIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
 329                                              GLfloat, GLfloat);
 330     int (GLAPIENTRY *SwapInterval)(int);
 331     void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
 332                                   GLsizei, GLint, GLenum, GLenum,
 333                                   const GLvoid *);
 334
 335     // ancient ATI extensions
 336     void (GLAPIENTRY *BeginFragmentShader)(void);
 337     void (GLAPIENTRY *EndFragmentShader)(void);
 338     void (GLAPIENTRY *SampleMap)(GLuint, GLuint, GLenum);
 339     void (GLAPIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
 340                                         GLuint, GLuint, GLuint, GLuint, GLuint);
 341     void (GLAPIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
 342                                         GLuint, GLuint, GLuint, GLuint, GLuint,
 343                                         GLuint, GLuint, GLuint);
 344     void (GLAPIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
 345
 346
 347     // GL 3, possibly in GL 2.x as well in form of extensions
 348     void (GLAPIENTRY *GenVertexArrays)(GLsizei, GLuint *);
 349     void (GLAPIENTRY *BindVertexArray)(GLuint);
 350     GLint (GLAPIENTRY *GetAttribLocation)(GLuint, const GLchar *);
 351     void (GLAPIENTRY *EnableVertexAttribArray)(GLuint);
 352     void (GLAPIENTRY *DisableVertexAttribArray)(GLuint);
 353     void (GLAPIENTRY *VertexAttribPointer)(GLuint, GLint, GLenum, GLboolean,
 354                                            GLsizei, const GLvoid *);
 355     void (GLAPIENTRY *DeleteVertexArrays)(GLsizei, const GLuint *);
 356     void (GLAPIENTRY *UseProgram)(GLuint);
 357     GLint (GLAPIENTRY *GetUniformLocation)(GLuint, const GLchar *);
 358     void (GLAPIENTRY *CompileShader)(GLuint);
 359     GLuint (GLAPIENTRY *CreateProgram)(void);
 360     GLuint (GLAPIENTRY *CreateShader)(GLenum);
 361     void (GLAPIENTRY *ShaderSource)(GLuint, GLsizei, const GLchar **,
 362                                     const GLint *);
 363     void (GLAPIENTRY *LinkProgram)(GLuint);
 364     void (GLAPIENTRY *AttachShader)(GLuint, GLuint);
 365     void (GLAPIENTRY *DeleteShader)(GLuint);
 366     void (GLAPIENTRY *DeleteProgram)(GLuint);
 367     void (GLAPIENTRY *GetShaderInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
 368     void (GLAPIENTRY *GetShaderiv)(GLuint, GLenum, GLint *);
 369     void (GLAPIENTRY *GetProgramInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
 370     void (GLAPIENTRY *GetProgramiv)(GLenum, GLenum, GLint *);
 371     const GLubyte* (GLAPIENTRY *GetStringi)(GLenum, GLuint);
 372     void (GLAPIENTRY *BindAttribLocation)(GLuint, GLuint, const GLchar *);
 373     void (GLAPIENTRY *BindFramebuffer)(GLenum, GLuint);
 374     void (GLAPIENTRY *GenFramebuffers)(GLsizei, GLuint *);
 375     void (GLAPIENTRY *DeleteFramebuffers)(GLsizei, const GLuint *);
 376     GLenum (GLAPIENTRY *CheckFramebufferStatus)(GLenum);
 377     void (GLAPIENTRY *FramebufferTexture2D)(GLenum, GLenum, GLenum, GLuint,
 378                                             GLint);
 379
 380     void (GLAPIENTRY *Uniform1f)(GLint, GLfloat);
 381     void (GLAPIENTRY *Uniform3f)(GLint, GLfloat, GLfloat, GLfloat);
 382     void (GLAPIENTRY *Uniform1i)(GLint, GLint);
 383     void (GLAPIENTRY *UniformMatrix3fv)(GLint, GLsizei, GLboolean,
 384                                         const GLfloat *);
 385     void (GLAPIENTRY *UniformMatrix4x3fv)(GLint, GLsizei, GLboolean,
 386                                           const GLfloat *);
 387 };
 388
 389 #endif /* MPLAYER_GL_COMMON_H */