src/mesa/state_tracker/st_public.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef ST_PUBLIC_H
  29 #define ST_PUBLIC_H
  30
  31 #include "GL/gl.h"
  32 #include "GL/internal/glcore.h"  /* for __GLcontextModes */
  33
  34 #include "pipe/p_compiler.h"
  35 #include "pipe/p_format.h"
  36
  37
  38 #define ST_SURFACE_FRONT_LEFT   0
  39 #define ST_SURFACE_BACK_LEFT    1
  40 #define ST_SURFACE_FRONT_RIGHT  2
  41 #define ST_SURFACE_BACK_RIGHT   3
  42 #define ST_SURFACE_DEPTH        8
  43
  44 #define ST_TEXTURE_2D    0x2
  45 #define ST_TEXTURE_RECT  0x4
  46
  47 #define ST_TEXTURE_RGB   0x1
  48 #define ST_TEXTURE_RGBA  0x2
  49
  50
  51 struct st_context;
  52 struct st_framebuffer;
  53 struct pipe_context;
  54 struct pipe_fence_handle;
  55 struct pipe_surface;
  56 struct pipe_texture;
  57
  58
  59 struct st_context *st_create_context(struct pipe_context *pipe,
  60                                      const __GLcontextModes *visual,
  61                                      struct st_context *share);
  62
  63 void st_destroy_context( struct st_context *st );
  64
  65 void st_copy_context_state(struct st_context *dst, struct st_context *src,
  66                            uint mask);
  67
  68 struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
  69                                               enum pipe_format colorFormat,
  70                                               enum pipe_format depthFormat,
  71                                               enum pipe_format stencilFormat,
  72                                               uint width, uint height,
  73                                               void *privateData);
  74
  75 void st_resize_framebuffer( struct st_framebuffer *stfb,
  76                             uint width, uint height );
  77
  78 void st_set_framebuffer_surface(struct st_framebuffer *stfb,
  79                                 uint surfIndex, struct pipe_surface *surf);
  80
  81 void st_get_framebuffer_dimensions( struct st_framebuffer *stfb,
  82                                     uint *width, uint *height);
  83
  84 int st_get_framebuffer_surface(struct st_framebuffer *stfb,
  85                                uint surfIndex, struct pipe_surface **surface);
  86
  87 int st_get_framebuffer_texture(struct st_framebuffer *stfb,
  88                                uint surfIndex, struct pipe_texture **texture);
  89
  90 void *st_framebuffer_private( struct st_framebuffer *stfb );
  91
  92 void st_unreference_framebuffer( struct st_framebuffer *stfb );
  93
  94 void st_make_current(struct st_context *st,
  95                      struct st_framebuffer *draw,
  96                      struct st_framebuffer *read);
  97
  98 void st_flush( struct st_context *st, uint pipeFlushFlags,
  99                struct pipe_fence_handle **fence );
 100 void st_finish( struct st_context *st );
 101
 102 void st_notify_swapbuffers(struct st_framebuffer *stfb);
 103 void st_notify_swapbuffers_complete(struct st_framebuffer *stfb);
 104
 105 int st_set_teximage(struct pipe_texture *pt, int target);
 106
 107 /** Redirect rendering into stfb's surface to a texture image */
 108 int st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
 109                      int target, int format, int level);
 110
 111 /** Undo surface-to-texture binding */
 112 int st_release_teximage(struct st_framebuffer *stfb, uint surfIndex,
 113                         int target, int format, int level);
 114
 115
 116 /** Generic function type */
 117 typedef void (*st_proc)();
 118
 119 st_proc st_get_proc_address(const char *procname);
 120
 121
 122 #endif