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Member "mesa-20.1.8/src/gallium/auxiliary/vl/vl_mc.h" (16 Sep 2020, 3448 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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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 VMWARE 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 */