src/gallium/auxiliary/vl/vl_compositor.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   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 #ifndef vl_compositor_h
  29 #define vl_compositor_h
  30
  31 #include <pipe/p_state.h>
  32 #include <pipe/p_video_context.h>
  33 #include <pipe/p_video_state.h>
  34
  35 #include "vl_types.h"
  36
  37 struct pipe_context;
  38
  39 #define VL_COMPOSITOR_MAX_LAYERS 16
  40
  41 struct vl_compositor_layer
  42 {
  43    bool clearing;
  44
  45    void *fs;
  46    void *samplers[3];
  47
  48    struct pipe_sampler_view *sampler_views[3];
  49    struct {
  50       struct vertex2f tl, br;
  51    } src, dst;
  52 };
  53
  54 struct vl_compositor
  55 {
  56    struct pipe_video_compositor base;
  57    struct pipe_context *pipe;
  58
  59    struct pipe_framebuffer_state fb_state;
  60    struct pipe_viewport_state viewport;
  61    struct pipe_vertex_buffer vertex_buf;
  62    struct pipe_resource *csc_matrix;
  63
  64    void *sampler_linear;
  65    void *sampler_nearest;
  66    void *blend;
  67    void *rast;
  68    void *vertex_elems_state;
  69
  70    void *vs;
  71    void *fs_video_buffer;
  72    void *fs_palette;
  73    void *fs_rgba;
  74
  75    struct vertex2f dirty_tl, dirty_br;
  76
  77    unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS;
  78    struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS];
  79 };
  80
  81 struct pipe_video_compositor *vl_compositor_init(struct pipe_video_context *vpipe,
  82                                                  struct pipe_context *pipe);
  83
  84 #endif /* vl_compositor_h */