diff options
Diffstat (limited to 'src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h')
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h new file mode 100644 index 0000000000..5d2c1273ee --- /dev/null +++ b/src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h @@ -0,0 +1,120 @@ +/************************************************************************** + * + * Copyright 2009 Younes Manton. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef vl_mpeg12_mc_renderer_h +#define vl_mpeg12_mc_renderer_h + +#include <pipe/p_compiler.h> +#include <pipe/p_state.h> +#include <pipe/p_video_state.h> + +struct pipe_context; +struct pipe_video_surface; +struct pipe_macroblock; + +/* A slice is video-width (rounded up to a multiple of macroblock width) x macroblock height */ +enum VL_MPEG12_MC_RENDERER_BUFFER_MODE +{ + VL_MPEG12_MC_RENDERER_BUFFER_SLICE, /* Saves memory at the cost of smaller batches */ + VL_MPEG12_MC_RENDERER_BUFFER_PICTURE /* Larger batches, more memory */ +}; + +enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK +{ + VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ALL, /* Waste of memory bandwidth */ + VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE, /* Can only do point-filtering when interpolating subsampled chroma channels */ + VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_NONE /* Needs conditional texel fetch! */ +}; + +struct vl_mpeg12_mc_renderer +{ + struct pipe_context *pipe; + unsigned picture_width; + unsigned picture_height; + enum pipe_video_chroma_format chroma_format; + enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode; + enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling; + bool pot_buffers; + unsigned macroblocks_per_batch; + + struct pipe_viewport_state viewport; + struct pipe_constant_buffer vs_const_buf; + struct pipe_constant_buffer fs_const_buf; + struct pipe_framebuffer_state fb_state; + struct pipe_vertex_element vertex_elems[8]; + + union + { + void *all[5]; + struct { void *y, *cb, *cr, *ref[2]; } individual; + } samplers; + + void *i_vs, *p_vs[2], *b_vs[2]; + void *i_fs, *p_fs[2], *b_fs[2]; + + union + { + struct pipe_texture *all[5]; + struct { struct pipe_texture *y, *cb, *cr, *ref[2]; } individual; + } textures; + + union + { + struct pipe_vertex_buffer all[3]; + struct { struct pipe_vertex_buffer ycbcr, ref[2]; } individual; + } vertex_bufs; + + struct pipe_texture *surface, *past, *future; + struct pipe_fence_handle **fence; + unsigned num_macroblocks; + struct pipe_mpeg12_macroblock *macroblock_buf; + struct pipe_transfer *tex_transfer[3]; + short *texels[3]; + struct { float x, y; } surface_tex_inv_size; + struct { float x, y; } zero_block[3]; +}; + +bool vl_mpeg12_mc_renderer_init(struct vl_mpeg12_mc_renderer *renderer, + struct pipe_context *pipe, + unsigned picture_width, + unsigned picture_height, + enum pipe_video_chroma_format chroma_format, + enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode, + enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling, + bool pot_buffers); + +void vl_mpeg12_mc_renderer_cleanup(struct vl_mpeg12_mc_renderer *renderer); + +void vl_mpeg12_mc_renderer_render_macroblocks(struct vl_mpeg12_mc_renderer *renderer, + struct pipe_texture *surface, + struct pipe_texture *past, + struct pipe_texture *future, + unsigned num_macroblocks, + struct pipe_mpeg12_macroblock *mpeg12_macroblocks, + struct pipe_fence_handle **fence); + +#endif /* vl_mpeg12_mc_renderer_h */ |