src/gallium/auxiliary/vl/vl_mc.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_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_MAX_PLANES)
  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 *vs_ref, *vs_ycbcr;
  55    void *fs_ref, *fs_ycbcr;
  56    void *sampler_ref;
  57 };
  58
  59 struct vl_mc_buffer
  60 {
  61    struct vl_mc *renderer;
  62
  63    bool surface_cleared;
  64
  65    struct pipe_viewport_state viewport;
  66    struct pipe_framebuffer_state fb_state;
  67 };
  68
  69 typedef void (*vl_mc_ycbcr_vert_shader)(void *priv, struct vl_mc *mc,
  70                                         struct ureg_program *shader,
  71                                         unsigned first_output,
  72                                         struct ureg_dst tex);
  73
  74 typedef void (*vl_mc_ycbcr_frag_shader)(void *priv, struct vl_mc *mc,
  75                                         struct ureg_program *shader,
  76                                         unsigned first_input,
  77                                         struct ureg_dst dst);
  78
  79 bool vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe,
  80                 unsigned picture_width, unsigned picture_height,
  81                 unsigned macroblock_size, float scale,
  82                 vl_mc_ycbcr_vert_shader vs_callback,
  83                 vl_mc_ycbcr_frag_shader fs_callback,
  84                 void *callback_priv);
  85
  86 void vl_mc_cleanup(struct vl_mc *renderer);
  87
  88 bool vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer);
  89
  90 void vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer);
  91
  92 void vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface);
  93
  94 void vl_mc_render_ref(struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref);
  95
  96 void vl_mc_render_ycbcr(struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances);
  97
  98 #endif /* vl_mc_h */