src/gallium/state_trackers/python/st_device.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 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
  29 #ifndef ST_DEVICE_H_
  30 #define ST_DEVICE_H_
  31
  32
  33 #include "pipe/p_state.h"
  34
  35 struct cso_context;
  36 struct pipe_screen;
  37 struct pipe_context;
  38 struct st_winsys;
  39
  40
  41 struct st_surface
  42 {
  43    struct pipe_resource *texture;
  44    unsigned face;
  45    unsigned level;
  46    unsigned zslice;
  47 };
  48
  49
  50 struct st_context
  51 {
  52    struct st_device *st_dev;
  53
  54    struct pipe_context *pipe;
  55
  56    struct cso_context *cso;
  57
  58    void *vs;
  59    void *fs;
  60    void *gs;
  61
  62    struct pipe_resource *default_texture;
  63    struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
  64    struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
  65
  66    unsigned num_vertex_buffers;
  67    struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
  68
  69    unsigned num_vertex_elements;
  70    struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
  71
  72    struct pipe_framebuffer_state framebuffer;
  73 };
  74
  75
  76 struct st_device
  77 {
  78    /* FIXME: we also need to refcount for textures and surfaces... */
  79    struct pipe_reference reference;
  80
  81    struct pipe_screen *screen;
  82 };
  83
  84
  85 static INLINE struct pipe_surface *
  86 st_pipe_surface(struct st_surface *surface, unsigned usage)
  87 {
  88    struct pipe_resource *texture = surface->texture;
  89    struct pipe_screen *screen = texture->screen;
  90    return screen->get_tex_surface(screen, texture, surface->face, surface->level, surface->zslice, usage);
  91 }
  92
  93 struct st_context *
  94 st_context_create(struct st_device *st_dev);
  95
  96 void
  97 st_context_destroy(struct st_context *st_ctx);
  98
  99 struct st_device *
 100 st_device_create(boolean hardware);
 101
 102 void
 103 st_device_destroy(struct st_device *st_dev);
 104
 105
 106 #endif /* ST_DEVICE_H_ */