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 #ifdef GL_VERSION_3_0
  38 #include <OpenGL/gl3.h>
  39 #else
  40 #include <OpenGL/gl.h>
  41 #endif
  42 #include <OpenGL/glext.h>
  43 #else
  44 #include <GL/gl.h>
  45 #include <GL/glext.h>
  46 #endif
  47
  48 #include "libvo/gl_header_fixes.h"
  49
  50 struct GL;
  51 typedef struct GL GL;
  52
  53 void glAdjustAlignment(GL *gl, int stride);
  54
  55 int glFindFormat(uint32_t format, int have_texture_rg, int *bpp,
  56                  GLint *gl_texfmt, GLenum *gl_format, GLenum *gl_type);
  57 int glFmt2bpp(GLenum format, GLenum type);
  58 void glCreateClearTex(GL *gl, GLenum target, GLenum fmt, GLenum format,
  59                       GLenum type, GLint filter, int w, int h,
  60                       unsigned char val);
  61 int glCreatePPMTex(GL *gl, GLenum target, GLenum fmt, GLint filter,
  62                    FILE *f, int *width, int *height, int *maxval);
  63 void glUploadTex(GL *gl, GLenum target, GLenum format, GLenum type,
  64                  const void *dataptr, int stride,
  65                  int x, int y, int w, int h, int slice);
  66 void glDownloadTex(GL *gl, GLenum target, GLenum format, GLenum type,
  67                    void *dataptr, int stride);
  68 void glDrawTex(GL *gl, GLfloat x, GLfloat y, GLfloat w, GLfloat h,
  69                GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
  70                int sx, int sy, int rect_tex, int is_yv12, int flip);
  71 int loadGPUProgram(GL *gl, GLenum target, char *prog);
  72 void glCheckError(GL *gl, const char *info);
  73
  74 /** \addtogroup glconversion
  75  * \{ */
  76 //! do not use YUV conversion, this should always stay 0
  77 #define YUV_CONVERSION_NONE 0
  78 //! use nVidia specific register combiners for YUV conversion
  79 //! implementation has been removed
  80 #define YUV_CONVERSION_COMBINERS 1
  81 //! use a fragment program for YUV conversion
  82 #define YUV_CONVERSION_FRAGMENT 2
  83 //! use a fragment program for YUV conversion with gamma using POW
  84 #define YUV_CONVERSION_FRAGMENT_POW 3
  85 //! use a fragment program with additional table lookup for YUV conversion
  86 #define YUV_CONVERSION_FRAGMENT_LOOKUP 4
  87 //! use ATI specific register combiners ("fragment program")
  88 #define YUV_CONVERSION_COMBINERS_ATI 5
  89 //! use a fragment program with 3D table lookup for YUV conversion
  90 #define YUV_CONVERSION_FRAGMENT_LOOKUP3D 6
  91 //! use ATI specific "text" register combiners ("fragment program")
  92 #define YUV_CONVERSION_TEXT_FRAGMENT 7
  93 //! use normal bilinear scaling for textures
  94 #define YUV_SCALER_BILIN 0
  95 //! use higher quality bicubic scaling for textures
  96 #define YUV_SCALER_BICUB 1
  97 //! use cubic scaling in X and normal linear scaling in Y direction
  98 #define YUV_SCALER_BICUB_X 2
  99 //! use cubic scaling without additional lookup texture
 100 #define YUV_SCALER_BICUB_NOTEX 3
 101 #define YUV_SCALER_UNSHARP 4
 102 #define YUV_SCALER_UNSHARP2 5
 103 //! mask for conversion type
 104 #define YUV_CONVERSION_MASK 0xF
 105 //! mask for scaler type
 106 #define YUV_SCALER_MASK 0xF
 107 //! shift value for luminance scaler type
 108 #define YUV_LUM_SCALER_SHIFT 8
 109 //! shift value for chrominance scaler type
 110 #define YUV_CHROM_SCALER_SHIFT 12
 111 //! extract conversion out of type
 112 #define YUV_CONVERSION(t) ((t) & YUV_CONVERSION_MASK)
 113 //! extract luminance scaler out of type
 114 #define YUV_LUM_SCALER(t) (((t) >> YUV_LUM_SCALER_SHIFT) & YUV_SCALER_MASK)
 115 //! extract chrominance scaler out of type
 116 #define YUV_CHROM_SCALER(t) (((t) >> YUV_CHROM_SCALER_SHIFT) & YUV_SCALER_MASK)
 117 #define SET_YUV_CONVERSION(c)   ((c) & YUV_CONVERSION_MASK)
 118 #define SET_YUV_LUM_SCALER(s)   (((s) & YUV_SCALER_MASK) << YUV_LUM_SCALER_SHIFT)
 119 #define SET_YUV_CHROM_SCALER(s) (((s) & YUV_SCALER_MASK) << YUV_CHROM_SCALER_SHIFT)
 120 //! returns whether the yuv conversion supports large brightness range etc.
 121 static inline int glYUVLargeRange(int conv)
 122 {
 123     switch (conv) {
 124     case YUV_CONVERSION_NONE:
 125     case YUV_CONVERSION_COMBINERS_ATI:
 126     case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
 127     case YUV_CONVERSION_TEXT_FRAGMENT:
 128         return 0;
 129     }
 130     return 1;
 131 }
 132 /** \} */
 133
 134 typedef struct {
 135     GLenum target;
 136     int type;
 137     struct mp_csp_params csp_params;
 138     int texw;
 139     int texh;
 140     int chrom_texw;
 141     int chrom_texh;
 142     float filter_strength;
 143     float noise_strength;
 144 } gl_conversion_params_t;
 145
 146 int glAutodetectYUVConversion(GL *gl);
 147 void glSetupYUVConversion(GL *gl, gl_conversion_params_t *params);
 148 void glEnableYUVConversion(GL *gl, GLenum target, int type);
 149 void glDisableYUVConversion(GL *gl, GLenum target, int type);
 150
 151 #define GL_3D_RED_CYAN        1
 152 #define GL_3D_GREEN_MAGENTA   2
 153 #define GL_3D_QUADBUFFER      3
 154
 155 void glEnable3DLeft(GL *gl, int type);
 156 void glEnable3DRight(GL *gl, int type);
 157 void glDisable3D(GL *gl, int type);
 158
 159 /** \addtogroup glcontext
 160  * \{ */
 161 //! could not set new window, will continue drawing into the old one.
 162 #define SET_WINDOW_FAILED -1
 163 //! new window is set, could even transfer the OpenGL context.
 164 #define SET_WINDOW_OK 0
 165 //! new window is set, but the OpenGL context needs to be reinitialized.
 166 #define SET_WINDOW_REINIT 1
 167 /** \} */
 168
 169 enum MPGLType {
 170     GLTYPE_AUTO,
 171     GLTYPE_COCOA,
 172     GLTYPE_W32,
 173     GLTYPE_X11,
 174     GLTYPE_SDL,
 175 };
 176
 177 enum {
 178     MPGLFLAG_DEBUG = 1,
 179 };
 180
 181 #define MPGL_VER(major, minor) (((major) << 16) | (minor))
 182 #define MPGL_VER_GET_MAJOR(ver) ((ver) >> 16)
 183 #define MPGL_VER_GET_MINOR(ver) ((ver) & ((1 << 16) - 1))
 184
 185 typedef struct MPGLContext {
 186     GL *gl;
 187     enum MPGLType type;
 188     struct vo *vo;
 189     void *priv;
 190     // Bit size of each component in the created framebuffer. 0 if unknown.
 191     int depth_r, depth_g, depth_b;
 192     int (*create_window)(struct MPGLContext *ctx, uint32_t d_width,
 193                          uint32_t d_height, uint32_t flags);
 194     int (*setGlWindow)(struct MPGLContext *);
 195     void (*releaseGlContext)(struct MPGLContext *);
 196     void (*swapGlBuffers)(struct MPGLContext *);
 197     int (*check_events)(struct vo *vo);
 198     void (*fullscreen)(struct vo *vo);
 199     void (*vo_uninit)(struct vo *vo);
 200     // only available if GL3 context creation is supported
 201     // gl_flags: bitfield of MPGLFLAG_* constants
 202     // gl_version: requested OpenGL version number (use MPGL_VER())
 203     // return value is one of the SET_WINDOW_* constants
 204     int (*create_window_gl3)(struct MPGLContext *ctx, int gl_flags,
 205                              int gl_version, uint32_t d_width,
 206                              uint32_t d_height, uint32_t flags);
 207     // optional
 208     void (*ontop)(struct vo *vo);
 209     void (*border)(struct vo *vo);
 210     void (*update_xinerama_info)(struct vo *vo);
 211 } MPGLContext;
 212
 213 int mpgl_find_backend(const char *name);
 214
 215 MPGLContext *init_mpglcontext(enum MPGLType type, struct vo *vo);
 216 void uninit_mpglcontext(MPGLContext *ctx);
 217
 218 // calls create_window_gl3 or create_window+setGlWindow
 219 int create_mpglcontext(struct MPGLContext *ctx, int gl_flags, int gl_version,
 220                        uint32_t d_width, uint32_t d_height, uint32_t flags);
 221
 222 // print a multi line string with line numbers (e.g. for shader sources)
 223 // mod, lev: module and log level, as in mp_msg()
 224 void mp_log_source(int mod, int lev, const char *src);
 225
 226 //function pointers loaded from the OpenGL library
 227 struct GL {
 228     void (GLAPIENTRY *Begin)(GLenum);
 229     void (GLAPIENTRY *End)(void);
 230     void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
 231     void (GLAPIENTRY *MatrixMode)(GLenum);
 232     void (GLAPIENTRY *LoadIdentity)(void);
 233     void (GLAPIENTRY *Translated)(double, double, double);
 234     void (GLAPIENTRY *Scaled)(double, double, double);
 235     void (GLAPIENTRY *Ortho)(double, double, double, double, double,double);
 236     void (GLAPIENTRY *PushMatrix)(void);
 237     void (GLAPIENTRY *PopMatrix)(void);
 238     void (GLAPIENTRY *Clear)(GLbitfield);
 239     GLuint (GLAPIENTRY *GenLists)(GLsizei);
 240     void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
 241     void (GLAPIENTRY *NewList)(GLuint, GLenum);
 242     void (GLAPIENTRY *EndList)(void);
 243     void (GLAPIENTRY *CallList)(GLuint);
 244     void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
 245     void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
 246     void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
 247     void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint);
 248     void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
 249     void (GLAPIENTRY *Color4f)(GLfloat, GLfloat, GLfloat, GLfloat);
 250     void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
 251     void (GLAPIENTRY *Enable)(GLenum);
 252     void (GLAPIENTRY *Disable)(GLenum);
 253     const GLubyte *(GLAPIENTRY * GetString)(GLenum);
 254     void (GLAPIENTRY *DrawBuffer)(GLenum);
 255     void (GLAPIENTRY *DepthMask)(GLboolean);
 256     void (GLAPIENTRY *BlendFunc)(GLenum, GLenum);
 257     void (GLAPIENTRY *Flush)(void);
 258     void (GLAPIENTRY *Finish)(void);
 259     void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
 260     void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint,
 261                                   GLenum, GLenum, const GLvoid *);
 262     void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei,
 263                                   GLint, GLenum, GLenum, const GLvoid *);
 264     void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint,
 265                                      GLsizei, GLsizei, GLenum, GLenum,
 266                                      const GLvoid *);
 267     void (GLAPIENTRY *GetTexImage)(GLenum, GLint, GLenum, GLenum, GLvoid *);
 268     void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
 269     void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
 270     void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
 271     void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
 272     void (GLAPIENTRY *TexCoord2fv)(const GLfloat *);
 273     void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
 274     void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
 275     void (GLAPIENTRY *GetBooleanv)(GLenum, GLboolean *);
 276     void (GLAPIENTRY *ColorMask)(GLboolean, GLboolean, GLboolean, GLboolean);
 277     void (GLAPIENTRY *ReadPixels)(GLint, GLint, GLsizei, GLsizei, GLenum,
 278                                   GLenum, GLvoid *);
 279     void (GLAPIENTRY *ReadBuffer)(GLenum);
 280     void (GLAPIENTRY *VertexPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 281     void (GLAPIENTRY *ColorPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 282     void (GLAPIENTRY *TexCoordPointer)(GLint, GLenum, GLsizei, const GLvoid *);
 283     void (GLAPIENTRY *DrawArrays)(GLenum, GLint, GLsizei);
 284     void (GLAPIENTRY *EnableClientState)(GLenum);
 285     void (GLAPIENTRY *DisableClientState)(GLenum);
 286     GLenum (GLAPIENTRY *GetError)(void);
 287
 288
 289     // OpenGL extension functions
 290     void (GLAPIENTRY *GenBuffers)(GLsizei, GLuint *);
 291     void (GLAPIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
 292     void (GLAPIENTRY *BindBuffer)(GLenum, GLuint);
 293     GLvoid * (GLAPIENTRY * MapBuffer)(GLenum, GLenum);
 294     GLboolean (GLAPIENTRY *UnmapBuffer)(GLenum);
 295     void (GLAPIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
 296     void (GLAPIENTRY *ActiveTexture)(GLenum);
 297     void (GLAPIENTRY *BindTexture)(GLenum, GLuint);
 298     void (GLAPIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
 299     void (GLAPIENTRY *GenPrograms)(GLsizei, GLuint *);
 300     void (GLAPIENTRY *DeletePrograms)(GLsizei, const GLuint *);
 301     void (GLAPIENTRY *BindProgram)(GLenum, GLuint);
 302     void (GLAPIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
 303     void (GLAPIENTRY *GetProgramivARB)(GLenum, GLenum, GLint *);
 304     void (GLAPIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
 305                                              GLfloat, GLfloat);
 306     int (GLAPIENTRY *SwapInterval)(int);
 307     void (GLAPIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei,
 308                                   GLsizei, GLint, GLenum, GLenum,
 309                                   const GLvoid *);
 310
 311     // ancient ATI extensions
 312     void (GLAPIENTRY *BeginFragmentShader)(void);
 313     void (GLAPIENTRY *EndFragmentShader)(void);
 314     void (GLAPIENTRY *SampleMap)(GLuint, GLuint, GLenum);
 315     void (GLAPIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
 316                                         GLuint, GLuint, GLuint, GLuint, GLuint);
 317     void (GLAPIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
 318                                         GLuint, GLuint, GLuint, GLuint, GLuint,
 319                                         GLuint, GLuint, GLuint);
 320     void (GLAPIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
 321
 322
 323     // GL 3, possibly in GL 2.x as well in form of extensions
 324     void (GLAPIENTRY *GenVertexArrays)(GLsizei, GLuint *);
 325     void (GLAPIENTRY *BindVertexArray)(GLuint);
 326     GLint (GLAPIENTRY *GetAttribLocation)(GLuint, const GLchar *);
 327     void (GLAPIENTRY *EnableVertexAttribArray)(GLuint);
 328     void (GLAPIENTRY *DisableVertexAttribArray)(GLuint);
 329     void (GLAPIENTRY *VertexAttribPointer)(GLuint, GLint, GLenum, GLboolean,
 330                                            GLsizei, const GLvoid *);
 331     void (GLAPIENTRY *DeleteVertexArrays)(GLsizei, const GLuint *);
 332     void (GLAPIENTRY *UseProgram)(GLuint);
 333     GLint (GLAPIENTRY *GetUniformLocation)(GLuint, const GLchar *);
 334     void (GLAPIENTRY *CompileShader)(GLuint);
 335     GLuint (GLAPIENTRY *CreateProgram)(void);
 336     GLuint (GLAPIENTRY *CreateShader)(GLenum);
 337     void (GLAPIENTRY *ShaderSource)(GLuint, GLsizei, const GLchar **,
 338                                     const GLint *);
 339     void (GLAPIENTRY *LinkProgram)(GLuint);
 340     void (GLAPIENTRY *AttachShader)(GLuint, GLuint);
 341     void (GLAPIENTRY *DeleteShader)(GLuint);
 342     void (GLAPIENTRY *DeleteProgram)(GLuint);
 343     void (GLAPIENTRY *GetShaderInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
 344     void (GLAPIENTRY *GetShaderiv)(GLuint, GLenum, GLint *);
 345     void (GLAPIENTRY *GetProgramInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
 346     void (GLAPIENTRY *GetProgramiv)(GLenum, GLenum, GLint *);
 347     const GLubyte* (GLAPIENTRY *GetStringi)(GLenum, GLuint);
 348     void (GLAPIENTRY *BindAttribLocation)(GLuint, GLuint, const GLchar *);
 349     void (GLAPIENTRY *BindFramebuffer)(GLenum, GLuint);
 350     void (GLAPIENTRY *GenFramebuffers)(GLsizei, GLuint *);
 351     void (GLAPIENTRY *DeleteFramebuffers)(GLsizei, const GLuint *);
 352     GLenum (GLAPIENTRY *CheckFramebufferStatus)(GLenum);
 353     void (GLAPIENTRY *FramebufferTexture2D)(GLenum, GLenum, GLenum, GLuint,
 354                                             GLint);
 355
 356     void (GLAPIENTRY *Uniform1f)(GLint, GLfloat);
 357     void (GLAPIENTRY *Uniform3f)(GLint, GLfloat, GLfloat, GLfloat);
 358     void (GLAPIENTRY *Uniform1i)(GLint, GLint);
 359     void (GLAPIENTRY *UniformMatrix3fv)(GLint, GLsizei, GLboolean,
 360                                         const GLfloat *);
 361     void (GLAPIENTRY *UniformMatrix4x3fv)(GLint, GLsizei, GLboolean,
 362                                           const GLfloat *);
 363 };
 364
 365 #endif /* MPLAYER_GL_COMMON_H */