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 /* A slice is video-width (rounded up to a multiple of macroblock width) x macroblock height */
  43 enum VL_MPEG12_MC_RENDERER_BUFFER_MODE
  44 {
  45    VL_MPEG12_MC_RENDERER_BUFFER_SLICE,  /* Saves memory at the cost of smaller batches */
  46    VL_MPEG12_MC_RENDERER_BUFFER_PICTURE /* Larger batches, more memory */
  47 };
  48
  49 struct vl_mpeg12_mc_renderer
  50 {
  51    struct pipe_context *pipe;
  52    unsigned buffer_width;
  53    unsigned buffer_height;
  54    enum pipe_video_chroma_format chroma_format;
  55    const unsigned (*empty_block_mask)[3][2][2];
  56    enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode;
  57    unsigned macroblocks_per_batch;
  58
  59    struct pipe_viewport_state viewport;
  60    struct pipe_framebuffer_state fb_state;
  61
  62    struct vl_idct idct_y, idct_cr, idct_cb;
  63
  64    void *vertex_elems_state;
  65    void *rs_state;
  66
  67    void *vs, *fs;
  68
  69    struct pipe_vertex_buffer quad;
  70
  71    union
  72    {
  73       void *all[5];
  74       struct { void *y, *cb, *cr, *ref[2]; } individual;
  75    } samplers;
  76
  77    struct keymap *texview_map;
  78 };
  79
  80 struct vl_mpeg12_mc_buffer
  81 {
  82    struct vl_idct_buffer idct_y, idct_cb, idct_cr;
  83
  84    struct vl_vertex_buffer vertex_stream;
  85
  86    union
  87    {
  88       struct pipe_sampler_view *all[5];
  89       struct { struct pipe_sampler_view *y, *cb, *cr, *ref[2]; } individual;
  90    } sampler_views;
  91
  92    union
  93    {
  94       struct pipe_resource *all[3];
  95       struct { struct pipe_resource *y, *cb, *cr; } individual;
  96    } textures;
  97
  98    union
  99    {
 100       struct pipe_vertex_buffer all[2];
 101       struct {
 102          struct pipe_vertex_buffer quad, stream;
 103       } individual;
 104    } vertex_bufs;
 105
 106    struct pipe_surface *surface, *past, *future;
 107    struct pipe_fence_handle **fence;
 108 };
 109
 110 bool vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
 111                                 struct pipe_context *pipe,
 112                                 unsigned picture_width,
 113                                 unsigned picture_height,
 114                                 enum pipe_video_chroma_format chroma_format,
 115                                 enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode);
 116
 117 void vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer);
 118
 119 bool vl_mpeg12_mc_init_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 120
 121 void vl_mpeg12_mc_cleanup_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 122
 123 void vl_mpeg12_mc_map_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 124
 125 void vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer *renderer,
 126                                               struct vl_mpeg12_mc_buffer *buffer,
 127                                               struct pipe_surface *surface,
 128                                               struct pipe_surface *past,
 129                                               struct pipe_surface *future,
 130                                               unsigned num_macroblocks,
 131                                               struct pipe_mpeg12_macroblock *mpeg12_macroblocks,
 132                                               struct pipe_fence_handle **fence);
 133
 134 void vl_mpeg12_mc_unmap_buffer(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 135
 136 void vl_mpeg12_mc_renderer_flush(struct vl_mpeg12_mc_renderer *renderer, struct vl_mpeg12_mc_buffer *buffer);
 137
 138 #endif /* vl_mpeg12_mc_renderer_h */