src/gallium/state_trackers/python/p_state.i

   1  /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
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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.
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  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_state.h";
  41
  42
  43 %array_class(struct pipe_stencil_state, StencilArray);
  44
  45
  46 %extend pipe_framebuffer_state {
  47
  48    pipe_framebuffer_state(void) {
  49       return CALLOC_STRUCT(pipe_framebuffer_state);
  50    }
  51
  52    ~pipe_framebuffer_state() {
  53       unsigned index;
  54       for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index)
  55          pipe_surface_reference(&$self->cbufs[index], NULL);
  56       pipe_surface_reference(&$self->zsbuf, NULL);
  57       FREE($self);
  58    }
  59
  60    void
  61    set_cbuf(unsigned index, struct pipe_surface *surface) {
  62       pipe_surface_reference(&$self->cbufs[index], surface);
  63    }
  64
  65    void
  66    set_zsbuf(struct pipe_surface *surface) {
  67       pipe_surface_reference(&$self->zsbuf, surface);
  68    }
  69
  70 };
  71
  72
  73 %extend pipe_shader_state {
  74
  75    pipe_shader_state(const char *text, unsigned num_tokens = 1024) {
  76       struct tgsi_token *tokens;
  77       struct pipe_shader_state *shader;
  78
  79       tokens = MALLOC(num_tokens * sizeof(struct tgsi_token));
  80       if(!tokens)
  81          goto error1;
  82
  83       if(tgsi_text_translate(text, tokens, num_tokens ) != TRUE)
  84          goto error2;
  85
  86       shader = CALLOC_STRUCT(pipe_shader_state);
  87       if(!shader)
  88          goto error3;
  89
  90       shader->tokens = tokens;
  91
  92       return shader;
  93
  94 error3:
  95 error2:
  96       FREE(tokens);
  97 error1:
  98       return NULL;
  99    }
 100
 101    ~pipe_shader_state() {
 102       FREE((void*)$self->tokens);
 103       FREE($self);
 104    }
 105
 106    void dump(unsigned flags = 0) {
 107       tgsi_dump($self->tokens, flags);
 108    }
 109 }