コード例 #1
0
ファイル: brw_draw.c プロジェクト: aphogat/mesa
void
brw_draw_prims(struct gl_context *ctx,
               const struct _mesa_prim *prims,
               GLuint nr_prims,
               const struct _mesa_index_buffer *ib,
               GLboolean index_bounds_valid,
               GLuint min_index,
               GLuint max_index,
               struct gl_transform_feedback_object *unused_tfb_object,
               unsigned stream,
               struct gl_buffer_object *indirect)
{
   struct brw_context *brw = brw_context(ctx);
   const struct gl_client_array **arrays = ctx->Array._DrawArrays;

   assert(unused_tfb_object == NULL);

   if (!brw_check_conditional_render(brw))
      return;

   /* Handle primitive restart if needed */
   if (brw_handle_primitive_restart(ctx, prims, nr_prims, ib, indirect)) {
      /* The draw was handled, so we can exit now */
      return;
   }

   /* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it
    * won't support all the extensions we support.
    */
   if (ctx->RenderMode != GL_RENDER) {
      perf_debug("%s render mode not supported in hardware\n",
                 _mesa_enum_to_string(ctx->RenderMode));
      _swsetup_Wakeup(ctx);
      _tnl_wakeup(ctx);
      _tnl_draw_prims(ctx, prims, nr_prims, ib,
                      index_bounds_valid, min_index, max_index, NULL, 0, NULL);
      return;
   }

   /* If we're going to have to upload any of the user's vertex arrays, then
    * get the minimum and maximum of their index buffer so we know what range
    * to upload.
    */
   if (!index_bounds_valid && !vbo_all_varyings_in_vbos(arrays)) {
      perf_debug("Scanning index buffer to compute index buffer bounds.  "
                 "Use glDrawRangeElements() to avoid this.\n");
      vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims);
   }

   /* Try drawing with the hardware, but don't do anything else if we can't
    * manage it.  swrast doesn't support our featureset, so we can't fall back
    * to it.
    */
   brw_try_draw_prims(ctx, arrays, prims, nr_prims, ib, min_index, max_index,
                      indirect);
}
コード例 #2
0
ファイル: brw_draw.c プロジェクト: mslusarz/mesa
void brw_draw_prims( struct gl_context *ctx,
		     const struct _mesa_prim *prim,
		     GLuint nr_prims,
		     const struct _mesa_index_buffer *ib,
		     GLboolean index_bounds_valid,
		     GLuint min_index,
		     GLuint max_index,
		     struct gl_transform_feedback_object *tfb_vertcount )
{
   const struct gl_client_array **arrays = ctx->Array._DrawArrays;
   bool retval;

   if (!_mesa_check_conditional_render(ctx))
      return;

   /* Handle primitive restart if needed */
   if (brw_handle_primitive_restart(ctx, prim, nr_prims, ib)) {
      /* The draw was handled, so we can exit now */
      return;
   }

   if (!vbo_all_varyings_in_vbos(arrays)) {
      if (!index_bounds_valid)
	 vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);

      /* Decide if we want to rebase.  If so we end up recursing once
       * only into this function.
       */
      if (min_index != 0 && !vbo_any_varyings_in_vbos(arrays)) {
	 vbo_rebase_prims(ctx, arrays,
			  prim, nr_prims,
			  ib, min_index, max_index,
			  brw_draw_prims );
	 return;
      }
   }

   /* Make a first attempt at drawing:
    */
   retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);

   /* Otherwise, we really are out of memory.  Pass the drawing
    * command to the software tnl module and which will in turn call
    * swrast to do the drawing.
    */
   if (!retval) {
       _swsetup_Wakeup(ctx);
       _tnl_wakeup(ctx);
      _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
   }

}
コード例 #3
0
ファイル: brw_draw.c プロジェクト: soreau/mesa
void brw_draw_prims( struct gl_context *ctx,
		     const struct _mesa_prim *prim,
		     GLuint nr_prims,
		     const struct _mesa_index_buffer *ib,
		     GLboolean index_bounds_valid,
		     GLuint min_index,
		     GLuint max_index,
		     struct gl_transform_feedback_object *tfb_vertcount )
{
   struct intel_context *intel = intel_context(ctx);
   const struct gl_client_array **arrays = ctx->Array._DrawArrays;

   if (!_mesa_check_conditional_render(ctx))
      return;

   /* Handle primitive restart if needed */
   if (brw_handle_primitive_restart(ctx, prim, nr_prims, ib)) {
      /* The draw was handled, so we can exit now */
      return;
   }

   /* If we're going to have to upload any of the user's vertex arrays, then
    * get the minimum and maximum of their index buffer so we know what range
    * to upload.
    */
   if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid)
      vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);

   /* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it
    * won't support all the extensions we support.
    */
   if (ctx->RenderMode != GL_RENDER) {
      perf_debug("%s render mode not supported in hardware\n",
                 _mesa_lookup_enum_by_nr(ctx->RenderMode));
      _swsetup_Wakeup(ctx);
      _tnl_wakeup(ctx);
      _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
      return;
   }

   /* Try drawing with the hardware, but don't do anything else if we can't
    * manage it.  swrast doesn't support our featureset, so we can't fall back
    * to it.
    */
   brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
コード例 #4
0
ファイル: brw_draw.c プロジェクト: nikai3d/mesa
void brw_draw_prims( struct gl_context *ctx,
		     const struct gl_client_array *arrays[],
		     const struct _mesa_prim *prim,
		     GLuint nr_prims,
		     const struct _mesa_index_buffer *ib,
		     GLboolean index_bounds_valid,
		     GLuint min_index,
		     GLuint max_index )
{
   GLboolean retval;

   if (!_mesa_check_conditional_render(ctx))
      return;

   if (!vbo_all_varyings_in_vbos(arrays)) {
      if (!index_bounds_valid)
	 vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index);

      /* Decide if we want to rebase.  If so we end up recursing once
       * only into this function.
       */
      if (min_index != 0 && !vbo_any_varyings_in_vbos(arrays)) {
	 vbo_rebase_prims(ctx, arrays,
			  prim, nr_prims,
			  ib, min_index, max_index,
			  brw_draw_prims );
	 return;
      }
   }

   /* Make a first attempt at drawing:
    */
   retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);

   /* Otherwise, we really are out of memory.  Pass the drawing
    * command to the software tnl module and which will in turn call
    * swrast to do the drawing.
    */
   if (!retval) {
       _swsetup_Wakeup(ctx);
       _tnl_wakeup(ctx);
      _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
   }

}
コード例 #5
0
void brw_draw_prims( GLcontext *ctx,
		     const struct gl_client_array *arrays[],
		     const struct _mesa_prim *prim,
		     GLuint nr_prims,
		     const struct _mesa_index_buffer *ib,
		     GLuint min_index,
		     GLuint max_index )
{
   GLboolean retval;

   /* Decide if we want to rebase.  If so we end up recursing once
    * only into this function.
    */
   if (brw_need_rebase( ctx, arrays, ib, min_index )) {
      vbo_rebase_prims( ctx, arrays, 
			prim, nr_prims, 
			ib, min_index, max_index, 
			brw_draw_prims );
      
      return;
   }


   /* Make a first attempt at drawing:
    */
   retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);

   /* Otherwise, we really are out of memory.  Pass the drawing
    * command to the software tnl module and which will in turn call
    * swrast to do the drawing.
    */
   if (!retval) {
       _swsetup_Wakeup(ctx);
      _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
   }
}