vl_mc.h revision 19bcd21ed151cf1716f2f87dff0f712231aa2ce7 
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
41struct pipe_context;
42
43struct 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
60struct vl_mc_buffer
61{
62   struct vl_mc *renderer;
63
64   bool surface_cleared;
65
66   struct pipe_viewport_state viewport;
67   struct pipe_framebuffer_state fb_state;
68};
69
70typedef void (*vl_mc_ycbcr_vert_shader)(void *priv, struct vl_mc *mc,
71                                        struct ureg_program *shader,
72                                        unsigned first_output,
73                                        struct ureg_dst tex);
74
75typedef void (*vl_mc_ycbcr_frag_shader)(void *priv, struct vl_mc *mc,
76                                        struct ureg_program *shader,
77                                        unsigned first_input,
78                                        struct ureg_dst dst);
79
80bool vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe,
81                unsigned picture_width, unsigned picture_height,
82                unsigned macroblock_size, float scale,
83                vl_mc_ycbcr_vert_shader vs_callback,
84                vl_mc_ycbcr_frag_shader fs_callback,
85                void *callback_priv);
86
87void vl_mc_cleanup(struct vl_mc *renderer);
88
89bool vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer);
90
91void vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer);
92
93void vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface);
94
95void vl_mc_render_ref(struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref);
96
97void vl_mc_render_ycbcr(struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances);
98
99#endif /* vl_mc_h */
100