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_compositor_h 29 #define vl_compositor_h 30 31 #include "pipe/p_state.h" 32 #include "pipe/p_video_codec.h" 33 #include "pipe/p_video_state.h" 34 35 #include "util/u_rect.h" 36 37 #include "vl_types.h" 38 #include "vl_csc.h" 39 40 struct pipe_context; 41 42 /** 43 * composing and displaying of image data 44 */ 45 46 #define VL_COMPOSITOR_MAX_LAYERS 16 47 48 /* deinterlace allgorithem */ 49 enum vl_compositor_deinterlace 50 { 51 VL_COMPOSITOR_WEAVE, 52 VL_COMPOSITOR_BOB_TOP, 53 VL_COMPOSITOR_BOB_BOTTOM 54 }; 55 56 /* clockwise degree */ 57 enum vl_compositor_rotation 58 { 59 VL_COMPOSITOR_ROTATE_0, 60 VL_COMPOSITOR_ROTATE_90, 61 VL_COMPOSITOR_ROTATE_180, 62 VL_COMPOSITOR_ROTATE_270 63 }; 64 65 struct vl_compositor_layer 66 { 67 bool clearing; 68 69 bool viewport_valid; 70 struct pipe_viewport_state viewport; 71 72 void *fs; 73 void *samplers[3]; 74 void *blend; 75 76 struct pipe_sampler_view *sampler_views[3]; 77 struct { 78 struct vertex2f tl, br; 79 } src, dst; 80 struct vertex2f zw; 81 struct vertex4f colors[4]; 82 enum vl_compositor_rotation rotate; 83 }; 84 85 struct vl_compositor_state 86 { 87 struct pipe_context *pipe; 88 89 bool scissor_valid; 90 struct pipe_scissor_state scissor; 91 struct pipe_resource *csc_matrix; 92 93 union pipe_color_union clear_color; 94 95 unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS; 96 struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS]; 97 }; 98 99 struct vl_compositor 100 { 101 struct pipe_context *pipe; 102 103 struct pipe_framebuffer_state fb_state; 104 struct pipe_vertex_buffer vertex_buf; 105 106 void *sampler_linear; 107 void *sampler_nearest; 108 void *blend_clear, *blend_add; 109 void *rast; 110 void *dsa; 111 void *vertex_elems_state; 112 113 void *vs; 114 void *fs_video_buffer; 115 void *fs_weave_rgb; 116 void *fs_rgba; 117 118 struct { 119 struct { 120 void *y; 121 void *uv; 122 } weave; 123 struct { 124 void *y; 125 void *uv; 126 } bob; 127 } fs_yuv; 128 129 struct { 130 void *rgb; 131 void *yuv; 132 } fs_palette; 133 134 struct { 135 void *y; 136 void *uv; 137 } fs_rgb_yuv; 138 }; 139 140 /** 141 * initialize this compositor 142 */ 143 bool 144 vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe); 145 146 /** 147 * init state bag 148 */ 149 bool 150 vl_compositor_init_state(struct vl_compositor_state *state, struct pipe_context *pipe); 151 152 /** 153 * set yuv -> rgba conversion matrix 154 */ 155 bool 156 vl_compositor_set_csc_matrix(struct vl_compositor_state *settings, 157 const vl_csc_matrix *matrix, 158 float luma_min, float luma_max); 159 160 /** 161 * reset dirty area, so it's cleared with the clear colour 162 */ 163 void 164 vl_compositor_reset_dirty_area(struct u_rect *dirty); 165 166 /** 167 * set the clear color 168 */ 169 void 170 vl_compositor_set_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color); 171 172 /** 173 * get the clear color 174 */ 175 void 176 vl_compositor_get_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color); 177 178 /** 179 * set the destination clipping 180 */ 181 void 182 vl_compositor_set_dst_clip(struct vl_compositor_state *settings, struct u_rect *dst_clip); 183 184 /** 185 * set overlay samplers 186 */ 187 /*@{*/ 188 189 /** 190 * reset all currently set layers 191 */ 192 void 193 vl_compositor_clear_layers(struct vl_compositor_state *state); 194 195 /** 196 * set the blender used to render a layer 197 */ 198 void 199 vl_compositor_set_layer_blend(struct vl_compositor_state *state, 200 unsigned layer, void *blend, bool is_clearing); 201 202 /** 203 * set the layer destination area 204 */ 205 void 206 vl_compositor_set_layer_dst_area(struct vl_compositor_state *settings, 207 unsigned layer, struct u_rect *dst_area); 208 209 /** 210 * set a video buffer as a layer to render 211 */ 212 void 213 vl_compositor_set_buffer_layer(struct vl_compositor_state *state, 214 struct vl_compositor *compositor, 215 unsigned layer, 216 struct pipe_video_buffer *buffer, 217 struct u_rect *src_rect, 218 struct u_rect *dst_rect, 219 enum vl_compositor_deinterlace deinterlace); 220 221 /** 222 * set a paletted sampler as a layer to render 223 */ 224 void 225 vl_compositor_set_palette_layer(struct vl_compositor_state *state, 226 struct vl_compositor *compositor, 227 unsigned layer, 228 struct pipe_sampler_view *indexes, 229 struct pipe_sampler_view *palette, 230 struct u_rect *src_rect, 231 struct u_rect *dst_rect, 232 bool include_color_conversion); 233 234 /** 235 * set a rgba sampler as a layer to render 236 */ 237 void 238 vl_compositor_set_rgba_layer(struct vl_compositor_state *state, 239 struct vl_compositor *compositor, 240 unsigned layer, 241 struct pipe_sampler_view *rgba, 242 struct u_rect *src_rect, 243 struct u_rect *dst_rect, 244 struct vertex4f *colors); 245 246 /** 247 * set the layer rotation 248 */ 249 void 250 vl_compositor_set_layer_rotation(struct vl_compositor_state *state, 251 unsigned layer, 252 enum vl_compositor_rotation rotate); 253 254 /** 255 * deinterlace yuv buffer with full abilities 256 */ 257 void 258 vl_compositor_yuv_deint_full(struct vl_compositor_state *state, 259 struct vl_compositor *compositor, 260 struct pipe_video_buffer *src, 261 struct pipe_video_buffer *dst, 262 struct u_rect *src_rect, 263 struct u_rect *dst_rect, 264 enum vl_compositor_deinterlace deinterlace); 265 266 /** 267 + * convert rgb to yuv 268 + */ 269 void 270 vl_compositor_convert_rgb_to_yuv(struct vl_compositor_state *state, 271 struct vl_compositor *compositor, 272 unsigned layer, 273 struct pipe_resource *src_res, 274 struct pipe_video_buffer *dst, 275 struct u_rect *src_rect, 276 struct u_rect *dst_rect); 277 278 /*@}*/ 279 280 /** 281 * render the layers to the frontbuffer 282 */ 283 void 284 vl_compositor_render(struct vl_compositor_state *state, 285 struct vl_compositor *compositor, 286 struct pipe_surface *dst_surface, 287 struct u_rect *dirty_area, 288 bool clear_dirty); 289 290 /** 291 * destroy this compositor 292 */ 293 void 294 vl_compositor_cleanup(struct vl_compositor *compositor); 295 296 /** 297 * destroy this state bag 298 */ 299 void 300 vl_compositor_cleanup_state(struct vl_compositor_state *state); 301 302 #endif /* vl_compositor_h */ 303