src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.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_mpeg12_mc_renderer_h
  29 #define vl_mpeg12_mc_renderer_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 #include "vl_idct.h"
  36 #include "vl_vertex_buffers.h"
  37
  38 struct pipe_context;
  39 struct pipe_macroblock;
  40 struct keymap;
  41
  42 struct vl_mpeg12_mc_renderer
  43 {
  44    struct pipe_context *pipe;
  45    unsigned buffer_width;
  46    unsigned buffer_height;
  47    enum pipe_video_chroma_format chroma_format;
  48    const unsigned (*empty_block_mask)[3][2][2];
  49
  50    struct pipe_viewport_state viewport;
  51    struct pipe_framebuffer_state fb_state;
  52
  53    struct vl_idct idct_y, idct_cr, idct_cb;
  54
  55    void *rs_state;
  56
  57    void *vs, *fs;
  58
  59    union
  60    {
  61       void *all[5];
  62       struct { void *y, *cb, *cr, *ref[2]; } individual;
  63    } samplers;
  64
  65    struct keymap *texview_map;
  66 };
  67
  68 struct vl_mpeg12_mc_buffer
  69 {
  70    struct vl_idct_buffer idct_y, idct_cb, idct_cr;
  71
  72    union
  73    {
  74       struct pipe_sampler_view *all[5];
  75       struct { struct pipe_sampler_view *y, *cb, *cr, *ref[2]; } individual;
  76    } sampler_views;
  77
  78    union
  79    {
  80       struct pipe_resource *all[3];
  81       struct { struct pipe_resource *y, *cb, *cr; } individual;
  82    } textures;
  83
  84    struct pipe_surface *surface, *past, *future;
  85    struct pipe_fence_handle **fence;
  86 };
  87
  88 bool vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
  89                                 struct pipe_context *pipe,
  90                                 unsigned picture_width,
  91                                 unsigned picture_height,
  92                                 enum pipe_video_chroma_format chroma_format);
  93
  94 void vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer);
  95
  96 bool vl_mpeg12_mc_init_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
  97
  98 void vl_mpeg12_mc_cleanup_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
  99
 100 void vl_mpeg12_mc_map_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 101
 102 void vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer *renderer,
 103                                               struct vl_mpeg12_mc_buffer *buffer,
 104                                               struct pipe_surface *surface,
 105                                               struct pipe_surface *past,
 106                                               struct pipe_surface *future,
 107                                               unsigned num_macroblocks,
 108                                               struct pipe_mpeg12_macroblock *mpeg12_macroblocks,
 109                                               struct pipe_fence_handle **fence);
 110
 111 void vl_mpeg12_mc_unmap_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 112
 113 void vl_mpeg12_mc_renderer_flush(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer,
 114                                  unsigned not_empty_start_instance, unsigned not_empty_num_instances,
 115                                  unsigned empty_start_instance, unsigned empty_num_instances);
 116
 117 #endif /* vl_mpeg12_mc_renderer_h */