Ejemplo n.º 1
0
struct pipe_context *svga_context_create( struct pipe_screen *screen,
					  void *priv )
{
   struct svga_screen *svgascreen = svga_screen(screen);
   struct svga_context *svga = NULL;
   enum pipe_error ret;

   svga = CALLOC_STRUCT(svga_context);
   if (svga == NULL)
      goto no_svga;

   svga->pipe.screen = screen;
   svga->pipe.priv = priv;
   svga->pipe.destroy = svga_destroy;
   svga->pipe.clear = svga_clear;

   svga->swc = svgascreen->sws->context_create(svgascreen->sws);
   if(!svga->swc)
      goto no_swc;

   svga_init_resource_functions(svga);
   svga_init_blend_functions(svga);
   svga_init_blit_functions(svga);
   svga_init_depth_stencil_functions(svga);
   svga_init_draw_functions(svga);
   svga_init_flush_functions(svga);
   svga_init_misc_functions(svga);
   svga_init_rasterizer_functions(svga);
   svga_init_sampler_functions(svga);
   svga_init_fs_functions(svga);
   svga_init_vs_functions(svga);
   svga_init_vertex_functions(svga);
   svga_init_constbuffer_functions(svga);
   svga_init_query_functions(svga);
   svga_init_surface_functions(svga);


   /* debug */
   svga->debug.no_swtnl = debug_get_option_no_swtnl();
   svga->debug.force_swtnl = debug_get_option_force_swtnl();
   svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
   svga->debug.disable_shader = debug_get_option_disable_shader();
   svga->debug.no_line_width = debug_get_option_no_line_width();
   svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();

   svga->fs_bm = util_bitmask_create();
   if (svga->fs_bm == NULL)
      goto no_fs_bm;

   svga->vs_bm = util_bitmask_create();
   if (svga->vs_bm == NULL)
      goto no_vs_bm;

   svga->upload_ib = u_upload_create( &svga->pipe,
                                      32 * 1024,
                                      16,
                                      PIPE_BIND_INDEX_BUFFER );
   if (svga->upload_ib == NULL)
      goto no_upload_ib;

   svga->upload_vb = u_upload_create( &svga->pipe,
                                      128 * 1024,
                                      16,
                                      PIPE_BIND_VERTEX_BUFFER );
   if (svga->upload_vb == NULL)
      goto no_upload_vb;

   svga->hwtnl = svga_hwtnl_create( svga,
                                    svga->upload_ib,
                                    svga->swc );
   if (svga->hwtnl == NULL)
      goto no_hwtnl;

   if (!svga_init_swtnl(svga))
      goto no_swtnl;

   ret = svga_emit_initial_state( svga );
   if (ret != PIPE_OK)
      goto no_state;
   
   /* Avoid shortcircuiting state with initial value of zero.
    */
   memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
   memset(&svga->state.hw_clear.framebuffer, 0x0, 
          sizeof(svga->state.hw_clear.framebuffer));

   memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
   memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
   svga->state.hw_draw.num_views = 0;

   svga->dirty = ~0;

   LIST_INITHEAD(&svga->dirty_buffers);

   return &svga->pipe;

no_state:
   svga_destroy_swtnl(svga);
no_swtnl:
   svga_hwtnl_destroy( svga->hwtnl );
no_hwtnl:
   u_upload_destroy( svga->upload_vb );
no_upload_vb:
   u_upload_destroy( svga->upload_ib );
no_upload_ib:
   util_bitmask_destroy( svga->vs_bm );
no_vs_bm:
   util_bitmask_destroy( svga->fs_bm );
no_fs_bm:
   svga->swc->destroy(svga->swc);
no_swc:
   FREE(svga);
no_svga:
   return NULL;
}
Ejemplo n.º 2
0
struct pipe_context *svga_context_create(struct pipe_screen *screen,
					 void *priv, unsigned flags)
{
   struct svga_screen *svgascreen = svga_screen(screen);
   struct svga_context *svga = NULL;
   enum pipe_error ret;

   svga = CALLOC_STRUCT(svga_context);
   if (!svga)
      goto cleanup;

   LIST_INITHEAD(&svga->dirty_buffers);

   svga->pipe.screen = screen;
   svga->pipe.priv = priv;
   svga->pipe.destroy = svga_destroy;
   svga->pipe.clear = svga_clear;

   svga->swc = svgascreen->sws->context_create(svgascreen->sws);
   if (!svga->swc)
      goto cleanup;

   svga_init_resource_functions(svga);
   svga_init_blend_functions(svga);
   svga_init_blit_functions(svga);
   svga_init_depth_stencil_functions(svga);
   svga_init_draw_functions(svga);
   svga_init_flush_functions(svga);
   svga_init_misc_functions(svga);
   svga_init_rasterizer_functions(svga);
   svga_init_sampler_functions(svga);
   svga_init_fs_functions(svga);
   svga_init_vs_functions(svga);
   svga_init_gs_functions(svga);
   svga_init_vertex_functions(svga);
   svga_init_constbuffer_functions(svga);
   svga_init_query_functions(svga);
   svga_init_surface_functions(svga);
   svga_init_stream_output_functions(svga);

   /* init misc state */
   svga->curr.sample_mask = ~0;

   /* debug */
   svga->debug.no_swtnl = debug_get_option_no_swtnl();
   svga->debug.force_swtnl = debug_get_option_force_swtnl();
   svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
   svga->debug.disable_shader = debug_get_option_disable_shader();
   svga->debug.no_line_width = debug_get_option_no_line_width();
   svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();

   if (!(svga->blend_object_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->ds_object_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->input_element_object_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->rast_object_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->sampler_object_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->sampler_view_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->shader_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->surface_view_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->stream_output_id_bm = util_bitmask_create()))
      goto cleanup;

   if (!(svga->query_id_bm = util_bitmask_create()))
      goto cleanup;

   svga->hwtnl = svga_hwtnl_create(svga);
   if (svga->hwtnl == NULL)
      goto cleanup;

   if (!svga_init_swtnl(svga))
      goto cleanup;

   ret = svga_emit_initial_state( svga );
   if (ret != PIPE_OK)
      goto cleanup;

   svga->const0_upload = u_upload_create(&svga->pipe,
                                         CONST0_UPLOAD_DEFAULT_SIZE,
                                         CONST0_UPLOAD_ALIGNMENT,
                                         PIPE_BIND_CONSTANT_BUFFER);
   if (!svga->const0_upload)
      goto cleanup;

   /* Avoid shortcircuiting state with initial value of zero.
    */
   memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
   memset(&svga->state.hw_clear.framebuffer, 0x0, 
          sizeof(svga->state.hw_clear.framebuffer));

   memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
   memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
   memset(&svga->state.hw_draw.num_sampler_views, 0,
      sizeof(svga->state.hw_draw.num_sampler_views));
   svga->state.hw_draw.num_views = 0;

   /* Initialize the shader pointers */
   svga->state.hw_draw.vs = NULL;
   svga->state.hw_draw.gs = NULL;
   svga->state.hw_draw.fs = NULL;
   memset(svga->state.hw_draw.constbuf, 0,
          sizeof(svga->state.hw_draw.constbuf));
   memset(svga->state.hw_draw.default_constbuf_size, 0,
          sizeof(svga->state.hw_draw.default_constbuf_size));
   memset(svga->state.hw_draw.enabled_constbufs, 0,
          sizeof(svga->state.hw_draw.enabled_constbufs));

   /* Create a no-operation blend state which we will bind whenever the
    * requested blend state is impossible (e.g. due to having an integer
    * render target attached).
    *
    * XXX: We will probably actually need 16 of these, one for each possible
    * RGBA color mask (4 bits).  Then, we would bind the one with a color mask
    * matching the blend state it is replacing.
    */
   {
      struct pipe_blend_state noop_tmpl = {0};
      unsigned i;

      for (i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) {
         // Set the color mask to all-ones.  Later this may change.
         noop_tmpl.rt[i].colormask = PIPE_MASK_RGBA;
      }
      svga->noop_blend = svga->pipe.create_blend_state(&svga->pipe, &noop_tmpl);
   }

   svga->dirty = ~0;

   return &svga->pipe;

cleanup:
   svga_destroy_swtnl(svga);

   if (svga->const0_upload)
      u_upload_destroy(svga->const0_upload);
   if (svga->hwtnl)
      svga_hwtnl_destroy(svga->hwtnl);
   if (svga->swc)
      svga->swc->destroy(svga->swc);
   util_bitmask_destroy(svga->blend_object_id_bm);
   util_bitmask_destroy(svga->ds_object_id_bm);
   util_bitmask_destroy(svga->input_element_object_id_bm);
   util_bitmask_destroy(svga->rast_object_id_bm);
   util_bitmask_destroy(svga->sampler_object_id_bm);
   util_bitmask_destroy(svga->sampler_view_id_bm);
   util_bitmask_destroy(svga->shader_id_bm);
   util_bitmask_destroy(svga->surface_view_id_bm);
   util_bitmask_destroy(svga->stream_output_id_bm);
   util_bitmask_destroy(svga->query_id_bm);
   FREE(svga);
   return NULL;
}