src/gallium/auxiliary/vl/vl_compositor.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 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 #define VL_COMPOSITOR_MIN_DIRTY (0)
  48 #define VL_COMPOSITOR_MAX_DIRTY (1 << 15)
  49
  50 /* deinterlace allgorithem */
  51 enum vl_compositor_deinterlace
  52 {
  53    VL_COMPOSITOR_WEAVE,
  54    VL_COMPOSITOR_BOB_TOP,
  55    VL_COMPOSITOR_BOB_BOTTOM
  56 };
  57
  58 /* clockwise degree */
  59 enum vl_compositor_rotation
  60 {
  61    VL_COMPOSITOR_ROTATE_0,
  62    VL_COMPOSITOR_ROTATE_90,
  63    VL_COMPOSITOR_ROTATE_180,
  64    VL_COMPOSITOR_ROTATE_270
  65 };
  66
  67 struct vl_compositor_layer
  68 {
  69    bool clearing;
  70
  71    bool viewport_valid;
  72    struct pipe_viewport_state viewport;
  73
  74    void *fs;
  75    void *cs;
  76    void *samplers[3];
  77    void *blend;
  78
  79    struct pipe_sampler_view *sampler_views[3];
  80    struct {
  81       struct vertex2f tl, br;
  82    } src, dst;
  83    struct vertex2f zw;
  84    struct vertex4f colors[4];
  85    enum vl_compositor_rotation rotate;
  86 };
  87
  88 struct vl_compositor_state
  89 {
  90    struct pipe_context *pipe;
  91
  92    bool scissor_valid;
  93    struct pipe_scissor_state scissor;
  94    struct pipe_resource *shader_params;
  95
  96    union pipe_color_union clear_color;
  97
  98    unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS;
  99    struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS];
 100 };
 101
 102 struct vl_compositor
 103 {
 104    struct pipe_context *pipe;
 105
 106    struct pipe_framebuffer_state fb_state;
 107    struct pipe_vertex_buffer vertex_buf;
 108
 109    void *sampler_linear;
 110    void *sampler_nearest;
 111    void *blend_clear, *blend_add;
 112    void *rast;
 113    void *dsa;
 114    void *vertex_elems_state;
 115
 116    void *vs;
 117    void *fs_video_buffer;
 118    void *fs_weave_rgb;
 119    void *fs_rgba;
 120    void *cs_video_buffer;
 121    void *cs_weave_rgb;
 122    void *cs_rgba;
 123
 124    bool pipe_cs_composit_supported;
 125    bool pipe_gfx_supported;
 126
 127    struct {
 128       struct {
 129          void *y;
 130          void *uv;
 131       } weave;
 132       struct {
 133          void *y;
 134          void *uv;
 135       } bob;
 136    } fs_yuv;
 137
 138    struct {
 139       struct {
 140          void *y;
 141          void *uv;
 142       } weave;
 143       struct {
 144          void *y;
 145          void *uv;
 146       } bob;
 147    } cs_yuv;
 148
 149    struct {
 150       void *rgb;
 151       void *yuv;
 152    } fs_palette;
 153
 154    struct {
 155       void *y;
 156       void *uv;
 157    } fs_rgb_yuv;
 158 };
 159
 160 /**
 161  * initialize this compositor
 162  */
 163 bool
 164 vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
 165
 166 /**
 167  * init state bag
 168  */
 169 bool
 170 vl_compositor_init_state(struct vl_compositor_state *state, struct pipe_context *pipe);
 171
 172 /**
 173  * set yuv -> rgba conversion matrix
 174  */
 175 bool
 176 vl_compositor_set_csc_matrix(struct vl_compositor_state *settings,
 177                              const vl_csc_matrix *matrix,
 178                              float luma_min, float luma_max);
 179
 180 /**
 181  * reset dirty area, so it's cleared with the clear colour
 182  */
 183 void
 184 vl_compositor_reset_dirty_area(struct u_rect *dirty);
 185
 186 /**
 187  * set the clear color
 188  */
 189 void
 190 vl_compositor_set_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
 191
 192 /**
 193  * get the clear color
 194  */
 195 void
 196 vl_compositor_get_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
 197
 198 /**
 199  * set the destination clipping
 200  */
 201 void
 202 vl_compositor_set_dst_clip(struct vl_compositor_state *settings, struct u_rect *dst_clip);
 203
 204 /**
 205  * set overlay samplers
 206  */
 207 /*@{*/
 208
 209 /**
 210  * reset all currently set layers
 211  */
 212 void
 213 vl_compositor_clear_layers(struct vl_compositor_state *state);
 214
 215 /**
 216  * set the blender used to render a layer
 217  */
 218 void
 219 vl_compositor_set_layer_blend(struct vl_compositor_state *state,
 220                               unsigned layer, void *blend, bool is_clearing);
 221
 222 /**
 223  * set the layer destination area
 224  */
 225 void
 226 vl_compositor_set_layer_dst_area(struct vl_compositor_state *settings,
 227                                  unsigned layer, struct u_rect *dst_area);
 228
 229 /**
 230  * set a video buffer as a layer to render
 231  */
 232 void
 233 vl_compositor_set_buffer_layer(struct vl_compositor_state *state,
 234                                struct vl_compositor *compositor,
 235                                unsigned layer,
 236                                struct pipe_video_buffer *buffer,
 237                                struct u_rect *src_rect,
 238                                struct u_rect *dst_rect,
 239                                enum vl_compositor_deinterlace deinterlace);
 240
 241 /**
 242  * set a paletted sampler as a layer to render
 243  */
 244 void
 245 vl_compositor_set_palette_layer(struct vl_compositor_state *state,
 246                                 struct vl_compositor *compositor,
 247                                 unsigned layer,
 248                                 struct pipe_sampler_view *indexes,
 249                                 struct pipe_sampler_view *palette,
 250                                 struct u_rect *src_rect,
 251                                 struct u_rect *dst_rect,
 252                                 bool include_color_conversion);
 253
 254 /**
 255  * set a rgba sampler as a layer to render
 256  */
 257 void
 258 vl_compositor_set_rgba_layer(struct vl_compositor_state *state,
 259                              struct vl_compositor *compositor,
 260                              unsigned layer,
 261                              struct pipe_sampler_view *rgba,
 262                              struct u_rect *src_rect,
 263                              struct u_rect *dst_rect,
 264                              struct vertex4f *colors);
 265
 266 /**
 267  * set the layer rotation
 268  */
 269 void
 270 vl_compositor_set_layer_rotation(struct vl_compositor_state *state,
 271                                  unsigned layer,
 272                                  enum vl_compositor_rotation rotate);
 273
 274 /**
 275  * deinterlace yuv buffer with full abilities
 276  */
 277 void
 278 vl_compositor_yuv_deint_full(struct vl_compositor_state *state,
 279                              struct vl_compositor *compositor,
 280                              struct pipe_video_buffer *src,
 281                              struct pipe_video_buffer *dst,
 282                              struct u_rect *src_rect,
 283                              struct u_rect *dst_rect,
 284                              enum vl_compositor_deinterlace deinterlace);
 285
 286 /**
 287 + * convert rgb to yuv
 288 + */
 289 void
 290 vl_compositor_convert_rgb_to_yuv(struct vl_compositor_state *state,
 291                                  struct vl_compositor *compositor,
 292                                  unsigned layer,
 293                                  struct pipe_resource *src_res,
 294                                  struct pipe_video_buffer *dst,
 295                                  struct u_rect *src_rect,
 296                                  struct u_rect *dst_rect);
 297
 298 /*@}*/
 299
 300 /**
 301  * render the layers to the frontbuffer
 302  */
 303 void
 304 vl_compositor_render(struct vl_compositor_state *state,
 305                      struct vl_compositor       *compositor,
 306                      struct pipe_surface        *dst_surface,
 307                      struct u_rect              *dirty_area,
 308                      bool                        clear_dirty);
 309
 310 /**
 311  * destroy this compositor
 312  */
 313 void
 314 vl_compositor_cleanup(struct vl_compositor *compositor);
 315
 316 /**
 317  * destroy this state bag
 318  */
 319 void
 320 vl_compositor_cleanup_state(struct vl_compositor_state *state);
 321
 322 #endif /* vl_compositor_h */