Merge remote branch 'origin/master' into gallium_draw_llvm
[mesa.git] / 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
35 struct pipe_context;
36 struct pipe_video_surface;
37 struct pipe_macroblock;
38
39 /* A slice is video-width (rounded up to a multiple of macroblock width) x macroblock height */
40 enum VL_MPEG12_MC_RENDERER_BUFFER_MODE
41 {
42 VL_MPEG12_MC_RENDERER_BUFFER_SLICE, /* Saves memory at the cost of smaller batches */
43 VL_MPEG12_MC_RENDERER_BUFFER_PICTURE /* Larger batches, more memory */
44 };
45
46 enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK
47 {
48 VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL, /* Waste of memory bandwidth */
49 VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE, /* Can only do point-filtering when interpolating subsampled chroma channels */
50 VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE /* Needs conditional texel fetch! */
51 };
52
53 struct vl_mpeg12_mc_renderer
54 {
55 struct pipe_context *pipe;
56 unsigned picture_width;
57 unsigned picture_height;
58 enum pipe_video_chroma_format chroma_format;
59 enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode;
60 enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling;
61 bool pot_buffers;
62 unsigned macroblocks_per_batch;
63
64 struct pipe_viewport_state viewport;
65 struct pipe_scissor_state scissor;
66 struct pipe_buffer *vs_const_buf;
67 struct pipe_buffer *fs_const_buf;
68 struct pipe_framebuffer_state fb_state;
69 void *vertex_elems[3];
70
71 union
72 {
73 void *all[5];
74 struct { void *y, *cb, *cr, *ref[2]; } individual;
75 } samplers;
76
77 void *i_vs, *p_vs[2], *b_vs[2];
78 void *i_fs, *p_fs[2], *b_fs[2];
79
80 union
81 {
82 struct pipe_texture *all[5];
83 struct { struct pipe_texture *y, *cb, *cr, *ref[2]; } individual;
84 } textures;
85
86 union
87 {
88 struct pipe_vertex_buffer all[3];
89 struct { struct pipe_vertex_buffer ycbcr, ref[2]; } individual;
90 } vertex_bufs;
91
92 struct pipe_texture *surface, *past, *future;
93 struct pipe_fence_handle **fence;
94 unsigned num_macroblocks;
95 struct pipe_mpeg12_macroblock *macroblock_buf;
96 struct pipe_transfer *tex_transfer[3];
97 short *texels[3];
98 struct { float x, y; } surface_tex_inv_size;
99 struct { float x, y; } zero_block[3];
100 };
101
102 bool vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer,
103 struct pipe_context *pipe,
104 unsigned picture_width,
105 unsigned picture_height,
106 enum pipe_video_chroma_format chroma_format,
107 enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
108 enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
109 bool pot_buffers);
110
111 void vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer);
112
113 void vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer *renderer,
114 struct pipe_texture *surface,
115 struct pipe_texture *past,
116 struct pipe_texture *future,
117 unsigned num_macroblocks,
118 struct pipe_mpeg12_macroblock *mpeg12_macroblocks,
119 struct pipe_fence_handle **fence);
120
121 #endif /* vl_mpeg12_mc_renderer_h */