src/gallium/state_trackers/python/p_device.i

   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  * @file
  30  * SWIG interface definion for Gallium types.
  31  *
  32  * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
  33  */
  34
  35
  36 %nodefaultctor st_device;
  37 %nodefaultdtor st_device;
  38
  39
  40 struct st_device {
  41 };
  42
  43 %newobject st_device::texture_create;
  44 %newobject st_device::context_create;
  45 %newobject st_device::buffer_create;
  46
  47 %extend st_device {
  48
  49    st_device(int hardware = 1) {
  50       return st_device_create(hardware ? TRUE : FALSE);
  51    }
  52
  53    ~st_device() {
  54       st_device_destroy($self);
  55    }
  56
  57    const char * get_name( void ) {
  58       return $self->screen->get_name($self->screen);
  59    }
  60
  61    const char * get_vendor( void ) {
  62       return $self->screen->get_vendor($self->screen);
  63    }
  64
  65    /**
  66     * Query an integer-valued capability/parameter/limit
  67     * \param param  one of PIPE_CAP_x
  68     */
  69    int get_param( int param ) {
  70       return $self->screen->get_param($self->screen, param);
  71    }
  72
  73    /**
  74     * Query a float-valued capability/parameter/limit
  75     * \param param  one of PIPE_CAP_x
  76     */
  77    float get_paramf( int param ) {
  78       return $self->screen->get_paramf($self->screen, param);
  79    }
  80
  81    /**
  82     * Check if the given pipe_format is supported as a texture or
  83     * drawing surface.
  84     * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
  85     */
  86    int is_format_supported( enum pipe_format format,
  87                             enum pipe_texture_target target,
  88                             unsigned tex_usage,
  89                             unsigned geom_flags ) {
  90       /* We can't really display surfaces with the python statetracker so mask
  91        * out that usage */
  92       tex_usage &= ~PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
  93
  94       return $self->screen->is_format_supported( $self->screen,
  95                                                  format,
  96                                                  target,
  97                                                  tex_usage,
  98                                                  geom_flags );
  99    }
 100
 101    struct st_context *
 102    context_create(void) {
 103       return st_context_create($self);
 104    }
 105
 106    struct pipe_texture *
 107    texture_create(
 108          enum pipe_format format,
 109          unsigned width,
 110          unsigned height,
 111          unsigned depth = 1,
 112          unsigned last_level = 0,
 113          enum pipe_texture_target target = PIPE_TEXTURE_2D,
 114          unsigned tex_usage = 0
 115       ) {
 116       struct pipe_texture templat;
 117
 118       /* We can't really display surfaces with the python statetracker so mask
 119        * out that usage */
 120       tex_usage &= ~PIPE_TEXTURE_USAGE_DISPLAY_TARGET;
 121
 122       memset(&templat, 0, sizeof(templat));
 123       templat.format = format;
 124       templat.width0 = width;
 125       templat.height0 = height;
 126       templat.depth0 = depth;
 127       templat.last_level = last_level;
 128       templat.target = target;
 129       templat.tex_usage = tex_usage;
 130
 131       return $self->screen->texture_create($self->screen, &templat);
 132    }
 133
 134    struct pipe_buffer *
 135    buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) {
 136       return pipe_buffer_create($self->screen, alignment, usage, size);
 137    }
 138
 139 };