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  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_mc_h
  29. #define vl_mc_h
  30.  
  31. #include "pipe/p_state.h"
  32. #include "pipe/p_video_state.h"
  33.  
  34. #include "tgsi/tgsi_ureg.h"
  35.  
  36. #include "vl_defines.h"
  37. #include "vl_types.h"
  38.  
  39. #define VL_MC_NUM_BLENDERS (1 << VL_NUM_COMPONENTS)
  40.  
  41. struct pipe_context;
  42.  
  43. struct vl_mc
  44. {
  45.    struct pipe_context *pipe;
  46.    unsigned buffer_width;
  47.    unsigned buffer_height;
  48.    unsigned macroblock_size;
  49.  
  50.    void *rs_state;
  51.  
  52.    void *blend_clear[VL_MC_NUM_BLENDERS];
  53.    void *blend_add[VL_MC_NUM_BLENDERS];
  54.    void *blend_sub[VL_MC_NUM_BLENDERS];
  55.    void *vs_ref, *vs_ycbcr;
  56.    void *fs_ref, *fs_ycbcr, *fs_ycbcr_sub;
  57.    void *sampler_ref;
  58. };
  59.  
  60. struct vl_mc_buffer
  61. {
  62.    bool surface_cleared;
  63.  
  64.    struct pipe_viewport_state viewport;
  65.    struct pipe_framebuffer_state fb_state;
  66. };
  67.  
  68. typedef void (*vl_mc_ycbcr_vert_shader)(void *priv, struct vl_mc *mc,
  69.                                         struct ureg_program *shader,
  70.                                         unsigned first_output,
  71.                                         struct ureg_dst tex);
  72.  
  73. typedef void (*vl_mc_ycbcr_frag_shader)(void *priv, struct vl_mc *mc,
  74.                                         struct ureg_program *shader,
  75.                                         unsigned first_input,
  76.                                         struct ureg_dst dst);
  77.  
  78. bool vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe,
  79.                 unsigned picture_width, unsigned picture_height,
  80.                 unsigned macroblock_size, float scale,
  81.                 vl_mc_ycbcr_vert_shader vs_callback,
  82.                 vl_mc_ycbcr_frag_shader fs_callback,
  83.                 void *callback_priv);
  84.  
  85. void vl_mc_cleanup(struct vl_mc *renderer);
  86.  
  87. bool vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer);
  88.  
  89. void vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer);
  90.  
  91. void vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface);
  92.  
  93. void vl_mc_render_ref(struct vl_mc *renderer, struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref);
  94.  
  95. void vl_mc_render_ycbcr(struct vl_mc *renderer, struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances);
  96.  
  97. #endif /* vl_mc_h */
  98.