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_compiler.h>
  32 #include <pipe/p_state.h>
  33 #include <pipe/p_video_state.h>
  34 #include "vl_types.h"
  35
  36 struct pipe_context;
  37
  38 #define VL_COMPOSITOR_MAX_LAYERS 16
  39
  40 struct vl_compositor
  41 {
  42    struct pipe_context *pipe;
  43
  44    struct pipe_framebuffer_state fb_state;
  45    struct vertex2f fb_inv_size;
  46    void *sampler;
  47    struct pipe_sampler_view *sampler_view;
  48    void *vertex_shader;
  49    void *fragment_shader;
  50    struct pipe_viewport_state viewport;
  51    struct pipe_vertex_buffer vertex_buf;
  52    void *vertex_elems_state;
  53    struct pipe_resource *fs_const_buf;
  54
  55    struct pipe_surface *bg;
  56    struct pipe_video_rect bg_src_rect;
  57    bool dirty_bg;
  58    struct pipe_surface *layers[VL_COMPOSITOR_MAX_LAYERS];
  59    struct pipe_video_rect layer_src_rects[VL_COMPOSITOR_MAX_LAYERS];
  60    struct pipe_video_rect layer_dst_rects[VL_COMPOSITOR_MAX_LAYERS];
  61    unsigned dirty_layers;
  62 };
  63
  64 bool vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
  65
  66 void vl_compositor_cleanup(struct vl_compositor *compositor);
  67
  68 void vl_compositor_set_background(struct vl_compositor *compositor,
  69                                   struct pipe_surface *bg, struct pipe_video_rect *bg_src_rect);
  70
  71 void vl_compositor_set_layers(struct vl_compositor *compositor,
  72                               struct pipe_surface *layers[],
  73                               struct pipe_video_rect *src_rects[],
  74                               struct pipe_video_rect *dst_rects[],
  75                               unsigned num_layers);
  76
  77 void vl_compositor_render(struct vl_compositor          *compositor,
  78                           struct pipe_surface           *src_surface,
  79                           enum pipe_mpeg12_picture_type picture_type,
  80                           /*unsigned                    num_past_surfaces,
  81                           struct pipe_surface           *past_surfaces,
  82                           unsigned                      num_future_surfaces,
  83                           struct pipe_surface           *future_surfaces,*/
  84                           struct pipe_video_rect        *src_area,
  85                           struct pipe_surface           *dst_surface,
  86                           struct pipe_video_rect        *dst_area,
  87                           struct pipe_fence_handle      **fence);
  88
  89 void vl_compositor_set_csc_matrix(struct vl_compositor *compositor, const float *mat);
  90
  91 #endif /* vl_compositor_h */