src/gallium/state_trackers/python/p_state.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 %module gallium;
  36
  37 %ignore winsys;
  38 %ignore pipe_vertex_buffer::buffer;
  39
  40 %include "pipe/p_compiler.h";
  41 %include "pipe/p_state.h";
  42
  43
  44 %array_class(struct pipe_stencil_state, StencilArray);
  45
  46
  47 %extend pipe_framebuffer_state {
  48
  49    pipe_framebuffer_state(void) {
  50       return CALLOC_STRUCT(pipe_framebuffer_state);
  51    }
  52
  53    ~pipe_framebuffer_state() {
  54       unsigned index;
  55       for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index)
  56          pipe_surface_reference(&$self->cbufs[index], NULL);
  57       pipe_surface_reference(&$self->zsbuf, NULL);
  58       FREE($self);
  59    }
  60
  61    void
  62    set_cbuf(unsigned index, struct st_surface *surface)
  63    {
  64       struct pipe_surface *_surface = NULL;
  65
  66       if(index >= PIPE_MAX_COLOR_BUFS)
  67          SWIG_exception(SWIG_ValueError, "index out of bounds");
  68
  69       _surface = st_pipe_surface(surface, PIPE_BUFFER_USAGE_GPU_WRITE);
  70       if(!_surface)
  71          SWIG_exception(SWIG_ValueError, "couldn't acquire surface for writing");
  72
  73       pipe_surface_reference(&$self->cbufs[index], _surface);
  74
  75    fail:
  76       return;
  77    }
  78
  79    void
  80    set_zsbuf(struct st_surface *surface)
  81    {
  82       struct pipe_surface *_surface = NULL;
  83
  84       _surface = st_pipe_surface(surface, PIPE_BUFFER_USAGE_GPU_WRITE);
  85       if(!_surface)
  86          SWIG_exception(SWIG_ValueError, "couldn't acquire surface for writing");
  87
  88       pipe_surface_reference(&$self->zsbuf, _surface);
  89
  90    fail:
  91       return;
  92    }
  93
  94 };
  95
  96
  97 %extend pipe_shader_state {
  98
  99    pipe_shader_state(const char *text, unsigned num_tokens = 1024) {
 100       struct tgsi_token *tokens;
 101       struct pipe_shader_state *shader;
 102
 103       tokens = MALLOC(num_tokens * sizeof(struct tgsi_token));
 104       if(!tokens)
 105          goto error1;
 106
 107       if(tgsi_text_translate(text, tokens, num_tokens ) != TRUE)
 108          goto error2;
 109
 110       shader = CALLOC_STRUCT(pipe_shader_state);
 111       if(!shader)
 112          goto error3;
 113
 114       shader->tokens = tokens;
 115
 116       return shader;
 117
 118 error3:
 119 error2:
 120       FREE(tokens);
 121 error1:
 122       return NULL;
 123    }
 124
 125    ~pipe_shader_state() {
 126       FREE((void*)$self->tokens);
 127       FREE($self);
 128    }
 129
 130    void dump(unsigned flags = 0) {
 131       tgsi_dump($self->tokens, flags);
 132    }
 133 }