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 #if defined(CONFIG_GL_COCOA) && !defined(CONFIG_GL_X11)
  37 #include <OpenGL/gl.h>
  38 #include <OpenGL/gl3.h>
  39 #include <OpenGL/glext.h>
  40 #else
  41 #include <GL/gl.h>
  42 #include <GL/glext.h>
  43 #endif
  44
  45 #include "libvo/gl_header_fixes.h"
  46
  47 struct GL;
  48 typedef struct GL GL;
  49
  50 void glAdjustAlignment(GL *gl, int stride);
  51
  52 int glFindFormat(uint32_t format, int have_texture_rg, int *bpp,
  53                  GLint *gl_texfmt, GLenum *gl_format, GLenum *gl_type);
  54 int glFmt2bpp(GLenum format, GLenum type);
  55 void glCreateClearTex(GL *gl, GLenum target, GLenum fmt, GLenum format,
  56                       GLenum type, GLint filter, int w, int h,
  57                       unsigned char val);
  58 int glCreatePPMTex(GL *gl, GLenum target, GLenum fmt, GLint filter,
  59                    FILE *f, int *width, int *height, int *maxval);
  60 void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
  61                  const void *dataptr, int stride,
  62                  int x, int y, int w, int h, int slice);
  63 void glDownloadTex(GL *gl, GLenum target, GLenum format, GLenum type,
  64                    void *dataptr, int stride);
  65 void glDrawTex(GL *gl, GLfloat x, GLfloat y, GLfloat w, GLfloat h,
  66                GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
  67                int sx, int sy, int rect_tex, int is_yv12, int flip);
  68 int loadGPUProgram(GL *gl, GLenum target, char *prog);
  69 void glCheckError(GL *gl, const char *info);
  70
  71 /** \addtogroup glconversion
  72  * \{ */
  73 //! do not use YUV conversion, this should always stay 0
  74 #define YUV_CONVERSION_NONE 0
  75 //! use nVidia specific register combiners for YUV conversion
  76 //! implementation has been removed
  77 #define YUV_CONVERSION_COMBINERS 1
  78 //! use a fragment program for YUV conversion
  79 #define YUV_CONVERSION_FRAGMENT 2
  80 //! use a fragment program for YUV conversion with gamma using POW
  81 #define YUV_CONVERSION_FRAGMENT_POW 3
  82 //! use a fragment program with additional table lookup for YUV conversion
  83 #define YUV_CONVERSION_FRAGMENT_LOOKUP 4
  84 //! use ATI specific register combiners ("fragment program")
  85 #define YUV_CONVERSION_COMBINERS_ATI 5
  86 //! use a fragment program with 3D table lookup for YUV conversion
  87 #define YUV_CONVERSION_FRAGMENT_LOOKUP3D 6
  88 //! use ATI specific "text" register combiners ("fragment program")
  89 #define YUV_CONVERSION_TEXT_FRAGMENT 7
  90 //! use normal bilinear scaling for textures
  91 #define YUV_SCALER_BILIN 0
  92 //! use higher quality bicubic scaling for textures
  93 #define YUV_SCALER_BICUB 1
  94 //! use cubic scaling in X and normal linear scaling in Y direction
  95 #define YUV_SCALER_BICUB_X 2
  96 //! use cubic scaling without additional lookup texture
  97 #define YUV_SCALER_BICUB_NOTEX 3
  98 #define YUV_SCALER_UNSHARP 4
  99 #define YUV_SCALER_UNSHARP2 5
 100 //! mask for conversion type
 101 #define YUV_CONVERSION_MASK 0xF
 102 //! mask for scaler type
 103 #define YUV_SCALER_MASK 0xF
 104 //! shift value for luminance scaler type
 105 #define YUV_LUM_SCALER_SHIFT 8
 106 //! shift value for chrominance scaler type
 107 #define YUV_CHROM_SCALER_SHIFT 12
 108 //! extract conversion out of type
 109 #define YUV_CONVERSION(t) ((t) & YUV_CONVERSION_MASK)
 110 //! extract luminance scaler out of type
 111 #define YUV_LUM_SCALER(t) (((t) >> YUV_LUM_SCALER_SHIFT) & YUV_SCALER_MASK)
 112 //! extract chrominance scaler out of type
 113 #define YUV_CHROM_SCALER(t) (((t) >> YUV_CHROM_SCALER_SHIFT) & YUV_SCALER_MASK)
 114 #define SET_YUV_CONVERSION(c)   ((c) & YUV_CONVERSION_MASK)
 115 #define SET_YUV_LUM_SCALER(s)   (((s) & YUV_SCALER_MASK) << YUV_LUM_SCALER_SHIFT)
 116 #define SET_YUV_CHROM_SCALER(s) (((s) & YUV_SCALER_MASK) << YUV_CHROM_SCALER_SHIFT)
 117 //! returns whether the yuv conversion supports large brightness range etc.
 118 static inline int glYUVLargeRange(int conv)
 119 {
 120     switch (conv) {
 121     case YUV_CONVERSION_NONE:
 122     case YUV_CONVERSION_COMBINERS_ATI:
 123     case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
 124     case YUV_CONVERSION_TEXT_FRAGMENT:
 125         return 0;
 126     }
 127     return 1;
 128 }
 129 /** \} */
 130
 131 typedef struct {
 132     GLenum target;
 133     int type;
 134     struct mp_csp_params csp_params;
 135     int texw;
 136     int texh;
 137     int chrom_texw;
 138     int chrom_texh;
 139     float filter_strength;
 140     float noise_strength;
 141 } gl_conversion_params_t;
 142
 143 int glAutodetectYUVConversion(GL *gl);
 144 void glSetupYUVConversion(GL *gl, gl_conversion_params_t *params);
 145 void glEnableYUVConversion(GL *gl, GLenum target, int type);
 146 void glDisableYUVConversion(GL *gl, GLenum target, int type);
 147
 148 #define GL_3D_RED_CYAN        1
 149 #define GL_3D_GREEN_MAGENTA   2
 150 #define GL_3D_QUADBUFFER      3
 151
 152 void glEnable3DLeft(GL *gl, int type);
 153 void glEnable3DRight(GL *gl, int type);
 154 void glDisable3D(GL *gl, int type);
 155
 156 /** \addtogroup glcontext
 157  * \{ */
 158 //! could not set new window, will continue drawing into the old one.
 159 #define SET_WINDOW_FAILED -1
 160 //! new window is set, could even transfer the OpenGL context.
 161 #define SET_WINDOW_OK 0
 162 //! new window is set, but the OpenGL context needs to be reinitialized.
 163 #define SET_WINDOW_REINIT 1
 164 /** \} */
 165
 166 enum MPGLType {
 167     GLTYPE_AUTO,
 168     GLTYPE_COCOA,
 169     GLTYPE_W32,
 170     GLTYPE_X11,
 171     GLTYPE_SDL,
 172 };
 173
 174 enum {
 175     MPGLFLAG_DEBUG = 1,
 176 };
 177
 178 #define MPGL_VER(major, minor) (((major) << 16) | (minor))
 179 #define MPGL_VER_GET_MAJOR(ver) ((ver) >> 16)
 180 #define MPGL_VER_GET_MINOR(ver) ((ver) & ((1 << 16) - 1))
 181
 182 typedef struct MPGLContext {
 183     GL *gl;
 184     enum MPGLType type;
 185     struct vo *vo;
 186     void *priv;
 187     // Bit size of each component in the created framebuffer. 0 if unknown.
 188     int depth_r, depth_g, depth_b;
 189     int (*create_window)(struct MPGLContext *ctx, uint32_t d_width,
 190                          uint32_t d_height, uint32_t flags);
 191     int (*setGlWindow)(struct MPGLContext *);
 192     void (*releaseGlContext)(struct MPGLContext *);
 193     void (*swapGlBuffers)(struct MPGLContext *);
 194     int (*check_events)(struct vo *vo);
 195     void (*fullscreen)(struct vo *vo);
 196     void (*vo_uninit)(struct vo *vo);
 197     // only available if GL3 context creation is supported
 198     // gl_flags: bitfield of MPGLFLAG_* constants
 199     // gl_version: requested OpenGL version number (use MPGL_VER())
 200     // return value is one of the SET_WINDOW_* constants
 201     int (*create_window_gl3)(struct MPGLContext *ctx, int gl_flags,
 202                              int gl_version, uint32_t d_width,
 203                              uint32_t d_height, uint32_t flags);
 204     // optional
 205     void (*ontop)(struct vo *vo);
 206     void (*border)(struct vo *vo);
 207     void (*update_xinerama_info)(struct vo *vo);
 208 } MPGLContext;
 209
 210 int mpgl_find_backend(const char *name);
 211
 212 MPGLContext *init_mpglcontext(enum MPGLType type, struct vo *vo);
 213 void uninit_mpglcontext(MPGLContext *ctx);
 214
 215 // calls create_window_gl3 or create_window+setGlWindow
 216 int create_mpglcontext(struct MPGLContext *ctx, int gl_flags, int gl_version,
 217                        uint32_t d_width, uint32_t d_height, uint32_t flags);
 218
 219 // print a multi line string with line numbers (e.g. for shader sources)
 220 // mod, lev: module and log level, as in mp_msg()
 221 void mp_log_source(int mod, int lev, const char *src);
 222
 223 //function pointers loaded from the OpenGL library
 224 struct GL {
 225     void (GLAPIENTRY *Begin)(GLenum);
 226     void (GLAPIENTRY *End)(void);
 227     void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
 228     void (GLAPIENTRY *MatrixMode)(GLenum);
 229     void (GLAPIENTRY *LoadIdentity)(void);
 230     void (GLAPIENTRY *Translated)(double, double, double);
 231     void (GLAPIENTRY *Scaled)(double, double, double);
 232     void (GLAPIENTRY *Ortho)(double, double, double, double, double,double);
 233     void (GLAPIENTRY *PushMatrix)(void);
 234     void (GLAPIENTRY *PopMatrix)(void);
 235     void (GLAPIENTRY *Clear)(GLbitfield);
 236     GLuint (GLAPIENTRY *GenLists)(GLsizei);
 237     void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
 238     void (GLAPIENTRY *NewList)(GLuint, GLenum);
 239     void (GLAPIENTRY *EndList)(void);
 240     void (GLAPIENTRY *CallList)(GLuint);
 241     void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
 242     void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
 243     void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
 244     void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint);
 245     void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
 246     void (GLAPIENTRY *Color4f)(GLfloat, GLfloat, GLfloat, GLfloat);
 247     void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
 248     void (GLAPIENTRY *Enable)(GLenum);
 249     void (GLAPIENTRY *Disable)(GLenum);
 250     const GLubyte *(GLAPIENTRY * GetString)(GLenum);
 251     void (GLAPIENTRY *DrawBuffer)(GLenum);
 252     void (GLAPIENTRY *DepthMask)(GLboolean);
 253     void (GLAPIENTRY *BlendFunc)(GLenum, GLenum);
 254     void (GLAPIENTRY *Flush)(void);
 255     void (GLAPIENTRY *Finish)(void);
 256     void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
 257     void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint,
 258                                   GLenum, GLenum, const GLvoid *);
 259     void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei,
 260                                   GLint, GLenum, GLenum, const GLvoid *);
 261     void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint,
 262                                      GLsizei, GLsizei, GLenum, GLenum,
 263                                      const GLvoid *);
 264     void (GLAPIENTRY *GetTexImage)(GLenum, GLint, GLenum, GLenum, GLvoid *);
 265     void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
 266     void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
 267     void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
 268     void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
 269     void (GLAPIENTRY *TexCoord2fv)(const GLfloat *);
 270     void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
 271     void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
 272     void (GLAPIENTRY *GetBooleanv)(GLenum, GLboolean *);
 273     void (GLAPIENTRY *ColorMask)(GLboolean, GLboolean, GLboolean, GLboolean);
 274     void (GLAPIENTRY *ReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum,
 275                                   GLenum, GLvoid *);
 276     void (GLAPIENTRY *ReadBuffer)(GLenum);
 277     void (GLAPIENTRY *VertexPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 278     void (GLAPIENTRY *ColorPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 279     void (GLAPIENTRY *TexCoordPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 280     void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
 281     void (GLAPIENTRY *EnableClientState)(GLenum);
 282     void (GLAPIENTRY *DisableClientState)(GLenum);
 283     GLenum (GLAPIENTRY *GetError)(void);
 284
 285
 286     // OpenGL extension functions
 287     void (GLAPIENTRY *GenBuffers)(GLsizei, GLuint *);
 288     void (GLAPIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
 289     void (GLAPIENTRY *BindBuffer)(GLenum, GLuint);
 290     GLvoid * (GLAPIENTRY * MapBuffer)(GLenum, GLenum);
 291     GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum);
 292     void (GLAPIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
 293     void (GLAPIENTRY *ActiveTexture)(GLenum);
 294     void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
 295     void (GLAPIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
 296     void (GLAPIENTRY *GenPrograms)(GLsizei, GLuint *);
 297     void (GLAPIENTRY *DeletePrograms)(GLsizei, const GLuint *);
 298     void (GLAPIENTRY *BindProgram)(GLenum, GLuint);
 299     void (GLAPIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
 300     void (GLAPIENTRY *GetProgramivARB)(GLenum, GLenum, GLint *);
 301     void (GLAPIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
 302                                              GLfloat, GLfloat);
 303     int (GLAPIENTRY *SwapInterval)(int);
 304     void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
 305                                   GLsizei, GLint, GLenum, GLenum,
 306                                   const GLvoid *);
 307
 308     // ancient ATI extensions
 309     void (GLAPIENTRY *BeginFragmentShader)(void);
 310     void (GLAPIENTRY *EndFragmentShader)(void);
 311     void (GLAPIENTRY *SampleMap)(GLuint, GLuint, GLenum);
 312     void (GLAPIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
 313                                         GLuint, GLuint, GLuint, GLuint, GLuint);
 314     void (GLAPIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
 315                                         GLuint, GLuint, GLuint, GLuint, GLuint,
 316                                         GLuint, GLuint, GLuint);
 317     void (GLAPIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
 318
 319
 320     // GL 3, possibly in GL 2.x as well in form of extensions
 321     void (GLAPIENTRY *GenVertexArrays)(GLsizei, GLuint *);
 322     void (GLAPIENTRY *BindVertexArray)(GLuint);
 323     GLint (GLAPIENTRY *GetAttribLocation)(GLuint, const GLchar *);
 324     void (GLAPIENTRY *EnableVertexAttribArray)(GLuint);
 325     void (GLAPIENTRY *DisableVertexAttribArray)(GLuint);
 326     void (GLAPIENTRY *VertexAttribPointer)(GLuint, GLint, GLenum, GLboolean,
 327                                            GLsizei, const GLvoid *);
 328     void (GLAPIENTRY *DeleteVertexArrays)(GLsizei, const GLuint *);
 329     void (GLAPIENTRY *UseProgram)(GLuint);
 330     GLint (GLAPIENTRY *GetUniformLocation)(GLuint, const GLchar *);
 331     void (GLAPIENTRY *CompileShader)(GLuint);
 332     GLuint (GLAPIENTRY *CreateProgram)(void);
 333     GLuint (GLAPIENTRY *CreateShader)(GLenum);
 334     void (GLAPIENTRY *ShaderSource)(GLuint, GLsizei, const GLchar **,
 335                                     const GLint *);
 336     void (GLAPIENTRY *LinkProgram)(GLuint);
 337     void (GLAPIENTRY *AttachShader)(GLuint, GLuint);
 338     void (GLAPIENTRY *DeleteShader)(GLuint);
 339     void (GLAPIENTRY *DeleteProgram)(GLuint);
 340     void (GLAPIENTRY *GetShaderInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
 341     void (GLAPIENTRY *GetShaderiv)(GLuint, GLenum, GLint *);
 342     void (GLAPIENTRY *GetProgramInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
 343     void (GLAPIENTRY *GetProgramiv)(GLenum, GLenum, GLint *);
 344     const GLubyte* (GLAPIENTRY *GetStringi)(GLenum, GLuint);
 345     void (GLAPIENTRY *BindAttribLocation)(GLuint, GLuint, const GLchar *);
 346     void (GLAPIENTRY *BindFramebuffer)(GLenum, GLuint);
 347     void (GLAPIENTRY *GenFramebuffers)(GLsizei, GLuint *);
 348     void (GLAPIENTRY *DeleteFramebuffers)(GLsizei, const GLuint *);
 349     GLenum (GLAPIENTRY *CheckFramebufferStatus)(GLenum);
 350     void (GLAPIENTRY *FramebufferTexture2D)(GLenum, GLenum, GLenum, GLuint,
 351                                             GLint);
 352
 353     void (GLAPIENTRY *Uniform1f)(GLint, GLfloat);
 354     void (GLAPIENTRY *Uniform3f)(GLint, GLfloat, GLfloat, GLfloat);
 355     void (GLAPIENTRY *Uniform1i)(GLint, GLint);
 356     void (GLAPIENTRY *UniformMatrix3fv)(GLint, GLsizei, GLboolean,
 357                                         const GLfloat *);
 358     void (GLAPIENTRY *UniformMatrix4x3fv)(GLint, GLsizei, GLboolean,
 359                                           const GLfloat *);
 360 };
 361
 362 #endif /* MPLAYER_GL_COMMON_H */