vl_compositor.h revision d645dc65b6c5e7d46538e98208a703f0f7a5d20b
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_compositor_h 29#define vl_compositor_h 30 31#include "pipe/p_state.h" 32#include "pipe/p_video_decoder.h" 33#include "pipe/p_video_state.h" 34 35#include "util/u_rect.h" 36 37#include "vl_types.h" 38 39struct pipe_context; 40 41/** 42 * composing and displaying of image data 43 */ 44 45#define VL_COMPOSITOR_MAX_LAYERS 16 46 47/* deinterlace allgorithem */ 48enum vl_compositor_deinterlace 49{ 50 VL_COMPOSITOR_WEAVE, 51 VL_COMPOSITOR_BOB_TOP, 52 VL_COMPOSITOR_BOB_BOTTOM 53}; 54 55struct vl_compositor_layer 56{ 57 bool clearing; 58 59 void *fs; 60 void *samplers[3]; 61 void *blend; 62 63 struct pipe_sampler_view *sampler_views[3]; 64 struct { 65 struct vertex2f tl, br; 66 } src, dst; 67 struct vertex2f zw; 68}; 69 70struct vl_compositor_state 71{ 72 struct pipe_context *pipe; 73 74 bool viewport_valid, scissor_valid; 75 struct pipe_viewport_state viewport; 76 struct pipe_scissor_state scissor; 77 struct pipe_resource *csc_matrix; 78 79 union pipe_color_union clear_color; 80 81 unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS; 82 struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS]; 83}; 84 85struct vl_compositor 86{ 87 struct pipe_context *pipe; 88 89 struct pipe_framebuffer_state fb_state; 90 struct pipe_vertex_buffer vertex_buf; 91 92 void *sampler_linear; 93 void *sampler_nearest; 94 void *blend_clear, *blend_add; 95 void *rast; 96 void *dsa; 97 void *vertex_elems_state; 98 99 void *vs; 100 void *fs_video_buffer; 101 void *fs_weave; 102 void *fs_rgba; 103 104 struct { 105 void *rgb; 106 void *yuv; 107 } fs_palette; 108}; 109 110/** 111 * initialize this compositor 112 */ 113bool 114vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe); 115 116/** 117 * init state bag 118 */ 119bool 120vl_compositor_init_state(struct vl_compositor_state *state, struct pipe_context *pipe); 121 122/** 123 * set yuv -> rgba conversion matrix 124 */ 125void 126vl_compositor_set_csc_matrix(struct vl_compositor_state *settings, const float mat[16]); 127 128/** 129 * reset dirty area, so it's cleared with the clear colour 130 */ 131void 132vl_compositor_reset_dirty_area(struct u_rect *dirty); 133 134/** 135 * set the clear color 136 */ 137void 138vl_compositor_set_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color); 139 140/** 141 * get the clear color 142 */ 143void 144vl_compositor_get_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color); 145 146/** 147 * set the destination area 148 */ 149void 150vl_compositor_set_dst_area(struct vl_compositor_state *settings, struct u_rect *dst_area); 151 152/** 153 * set the destination clipping 154 */ 155void 156vl_compositor_set_dst_clip(struct vl_compositor_state *settings, struct u_rect *dst_clip); 157 158/** 159 * set overlay samplers 160 */ 161/*@{*/ 162 163/** 164 * reset all currently set layers 165 */ 166void 167vl_compositor_clear_layers(struct vl_compositor_state *state); 168 169/** 170 * set the blender used to render a layer 171 */ 172void 173vl_compositor_set_layer_blend(struct vl_compositor_state *state, 174 unsigned layer, void *blend, bool is_clearing); 175 176/** 177 * set a video buffer as a layer to render 178 */ 179void 180vl_compositor_set_buffer_layer(struct vl_compositor_state *state, 181 struct vl_compositor *compositor, 182 unsigned layer, 183 struct pipe_video_buffer *buffer, 184 struct u_rect *src_rect, 185 struct u_rect *dst_rect, 186 enum vl_compositor_deinterlace deinterlace); 187 188/** 189 * set a paletted sampler as a layer to render 190 */ 191void 192vl_compositor_set_palette_layer(struct vl_compositor_state *state, 193 struct vl_compositor *compositor, 194 unsigned layer, 195 struct pipe_sampler_view *indexes, 196 struct pipe_sampler_view *palette, 197 struct u_rect *src_rect, 198 struct u_rect *dst_rect, 199 bool include_color_conversion); 200 201/** 202 * set a rgba sampler as a layer to render 203 */ 204void 205vl_compositor_set_rgba_layer(struct vl_compositor_state *state, 206 struct vl_compositor *compositor, 207 unsigned layer, 208 struct pipe_sampler_view *rgba, 209 struct u_rect *src_rect, 210 struct u_rect *dst_rect); 211 212/*@}*/ 213 214/** 215 * render the layers to the frontbuffer 216 */ 217void 218vl_compositor_render(struct vl_compositor_state *state, 219 struct vl_compositor *compositor, 220 struct pipe_surface *dst_surface, 221 struct u_rect *dirty_area); 222 223/** 224 * destroy this compositor 225 */ 226void 227vl_compositor_cleanup(struct vl_compositor *compositor); 228 229/** 230 * destroy this state bag 231 */ 232void 233vl_compositor_cleanup_state(struct vl_compositor_state *state); 234 235#endif /* vl_compositor_h */ 236