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
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   9  * without limitation the rights to use, copy, modify, merge, publish,
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
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  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.
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  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_buffer {
  42    struct st_device *st_dev;
  43
  44    struct pipe_buffer *buffer;
  45 };
  46
  47
  48 struct st_context {
  49    struct st_device *st_dev;
  50
  51    struct pipe_context *real_pipe;
  52    struct pipe_context *pipe;
  53
  54    struct cso_context *cso;
  55
  56    void *vs;
  57    void *fs;
  58
  59    struct pipe_texture *default_texture;
  60    struct pipe_texture *sampler_textures[PIPE_MAX_SAMPLERS];
  61
  62    unsigned num_vertex_buffers;
  63    struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
  64
  65    unsigned num_vertex_elements;
  66    struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
  67 };
  68
  69
  70 struct st_device {
  71    const struct st_winsys *st_ws;
  72
  73    struct pipe_screen *real_screen;
  74    struct pipe_screen *screen;
  75
  76    /* FIXME: we also need to refcount for textures and surfaces... */
  77    unsigned refcount;
  78 };
  79
  80
  81 struct st_buffer *
  82 st_buffer_create(struct st_device *st_dev,
  83                  unsigned alignment, unsigned usage, unsigned size);
  84
  85 void
  86 st_buffer_destroy(struct st_buffer *st_buf);
  87
  88 struct st_context *
  89 st_context_create(struct st_device *st_dev);
  90
  91 void
  92 st_context_destroy(struct st_context *st_ctx);
  93
  94 struct st_device *
  95 st_device_create(boolean hardware);
  96
  97 void
  98 st_device_destroy(struct st_device *st_dev);
  99
 100
 101 #endif /* ST_DEVICE_H_ */