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 /** Renderbuffer surfaces (should match Mesa names) */
  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        4
  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 PUBLIC
  60 struct st_context *st_create_context(struct pipe_context *pipe,
  61                                      const __GLcontextModes *visual,
  62                                      struct st_context *share);
  63
  64 PUBLIC
  65 void st_destroy_context( struct st_context *st );
  66
  67 PUBLIC
  68 void st_copy_context_state(struct st_context *dst, struct st_context *src,
  69                            uint mask);
  70
  71 PUBLIC
  72 struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
  73                                               enum pipe_format colorFormat,
  74                                               enum pipe_format depthFormat,
  75                                               enum pipe_format stencilFormat,
  76                                               uint width, uint height,
  77                                               void *privateData);
  78
  79 PUBLIC
  80 void st_resize_framebuffer( struct st_framebuffer *stfb,
  81                             uint width, uint height );
  82
  83 PUBLIC
  84 void st_set_framebuffer_surface(struct st_framebuffer *stfb,
  85                                 uint surfIndex, struct pipe_surface *surf);
  86
  87 PUBLIC
  88 void st_get_framebuffer_dimensions( struct st_framebuffer *stfb,
  89                                     uint *width, uint *height);
  90
  91 PUBLIC
  92 int st_get_framebuffer_surface(struct st_framebuffer *stfb,
  93                                uint surfIndex, struct pipe_surface **surface);
  94
  95 PUBLIC
  96 int st_get_framebuffer_texture(struct st_framebuffer *stfb,
  97                                uint surfIndex, struct pipe_texture **texture);
  98
  99 PUBLIC
 100 void *st_framebuffer_private( struct st_framebuffer *stfb );
 101
 102 PUBLIC
 103 void st_unreference_framebuffer( struct st_framebuffer *stfb );
 104
 105 PUBLIC
 106 GLboolean st_make_current(struct st_context *st,
 107                           struct st_framebuffer *draw,
 108                           struct st_framebuffer *read);
 109
 110 PUBLIC
 111 struct st_context *st_get_current(void);
 112
 113 PUBLIC
 114 void st_flush( struct st_context *st, uint pipeFlushFlags,
 115                struct pipe_fence_handle **fence );
 116 PUBLIC
 117 void st_finish( struct st_context *st );
 118
 119 PUBLIC
 120 void st_notify_swapbuffers(struct st_framebuffer *stfb);
 121
 122 PUBLIC
 123 void st_swapbuffers(struct st_framebuffer *stfb,
 124                     struct pipe_surface **front_left,
 125                     struct pipe_surface **front_right);
 126
 127 PUBLIC
 128 int st_bind_texture_surface(struct pipe_surface *ps, int target, int level,
 129                             enum pipe_format format);
 130 PUBLIC
 131 int st_unbind_texture_surface(struct pipe_surface *ps, int target, int level);
 132
 133 /** Redirect rendering into stfb's surface to a texture image */
 134 PUBLIC
 135 int st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
 136                      int target, int format, int level);
 137
 138 /** Undo surface-to-texture binding */
 139 PUBLIC
 140 int st_release_teximage(struct st_framebuffer *stfb, uint surfIndex,
 141                         int target, int format, int level);
 142
 143
 144 /** Generic function type */
 145 typedef void (*st_proc)();
 146
 147 PUBLIC
 148 st_proc st_get_proc_address(const char *procname);
 149
 150
 151 #endif