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    bool interlaced;
 101 };
 102
 103 struct vl_compositor
 104 {
 105    struct pipe_context *pipe;
 106
 107    struct pipe_framebuffer_state fb_state;
 108    struct pipe_vertex_buffer vertex_buf;
 109
 110    void *sampler_linear;
 111    void *sampler_nearest;
 112    void *blend_clear, *blend_add;
 113    void *rast;
 114    void *dsa;
 115    void *vertex_elems_state;
 116
 117    void *vs;
 118    void *fs_video_buffer;
 119    void *fs_weave_rgb;
 120    void *fs_rgba;
 121    void *cs_video_buffer;
 122    void *cs_weave_rgb;
 123    void *cs_rgba;
 124
 125    bool pipe_cs_composit_supported;
 126    bool pipe_gfx_supported;
 127
 128    struct {
 129       struct {
 130          void *y;
 131          void *uv;
 132       } weave;
 133       struct {
 134          void *y;
 135          void *uv;
 136       } bob;
 137    } fs_yuv;
 138
 139    struct {
 140       struct {
 141          void *y;
 142          void *uv;
 143       } weave;
 144       struct {
 145          void *y;
 146          void *uv;
 147       } bob;
 148    } cs_yuv;
 149
 150    struct {
 151       void *rgb;
 152       void *yuv;
 153    } fs_palette;
 154
 155    struct {
 156       void *y;
 157       void *uv;
 158    } fs_rgb_yuv;
 159 };
 160
 161 /**
 162  * initialize this compositor
 163  */
 164 bool
 165 vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
 166
 167 /**
 168  * init state bag
 169  */
 170 bool
 171 vl_compositor_init_state(struct vl_compositor_state *state, struct pipe_context *pipe);
 172
 173 /**
 174  * set yuv -> rgba conversion matrix
 175  */
 176 bool
 177 vl_compositor_set_csc_matrix(struct vl_compositor_state *settings,
 178                              const vl_csc_matrix *matrix,
 179                              float luma_min, float luma_max);
 180
 181 /**
 182  * reset dirty area, so it's cleared with the clear colour
 183  */
 184 void
 185 vl_compositor_reset_dirty_area(struct u_rect *dirty);
 186
 187 /**
 188  * set the clear color
 189  */
 190 void
 191 vl_compositor_set_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
 192
 193 /**
 194  * get the clear color
 195  */
 196 void
 197 vl_compositor_get_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
 198
 199 /**
 200  * set the destination clipping
 201  */
 202 void
 203 vl_compositor_set_dst_clip(struct vl_compositor_state *settings, struct u_rect *dst_clip);
 204
 205 /**
 206  * set overlay samplers
 207  */
 208 /*@{*/
 209
 210 /**
 211  * reset all currently set layers
 212  */
 213 void
 214 vl_compositor_clear_layers(struct vl_compositor_state *state);
 215
 216 /**
 217  * set the blender used to render a layer
 218  */
 219 void
 220 vl_compositor_set_layer_blend(struct vl_compositor_state *state,
 221                               unsigned layer, void *blend, bool is_clearing);
 222
 223 /**
 224  * set the layer destination area
 225  */
 226 void
 227 vl_compositor_set_layer_dst_area(struct vl_compositor_state *settings,
 228                                  unsigned layer, struct u_rect *dst_area);
 229
 230 /**
 231  * set a video buffer as a layer to render
 232  */
 233 void
 234 vl_compositor_set_buffer_layer(struct vl_compositor_state *state,
 235                                struct vl_compositor *compositor,
 236                                unsigned layer,
 237                                struct pipe_video_buffer *buffer,
 238                                struct u_rect *src_rect,
 239                                struct u_rect *dst_rect,
 240                                enum vl_compositor_deinterlace deinterlace);
 241
 242 /**
 243  * set a paletted sampler as a layer to render
 244  */
 245 void
 246 vl_compositor_set_palette_layer(struct vl_compositor_state *state,
 247                                 struct vl_compositor *compositor,
 248                                 unsigned layer,
 249                                 struct pipe_sampler_view *indexes,
 250                                 struct pipe_sampler_view *palette,
 251                                 struct u_rect *src_rect,
 252                                 struct u_rect *dst_rect,
 253                                 bool include_color_conversion);
 254
 255 /**
 256  * set a rgba sampler as a layer to render
 257  */
 258 void
 259 vl_compositor_set_rgba_layer(struct vl_compositor_state *state,
 260                              struct vl_compositor *compositor,
 261                              unsigned layer,
 262                              struct pipe_sampler_view *rgba,
 263                              struct u_rect *src_rect,
 264                              struct u_rect *dst_rect,
 265                              struct vertex4f *colors);
 266
 267 /**
 268  * set the layer rotation
 269  */
 270 void
 271 vl_compositor_set_layer_rotation(struct vl_compositor_state *state,
 272                                  unsigned layer,
 273                                  enum vl_compositor_rotation rotate);
 274
 275 /**
 276  * deinterlace yuv buffer with full abilities
 277  */
 278 void
 279 vl_compositor_yuv_deint_full(struct vl_compositor_state *state,
 280                              struct vl_compositor *compositor,
 281                              struct pipe_video_buffer *src,
 282                              struct pipe_video_buffer *dst,
 283                              struct u_rect *src_rect,
 284                              struct u_rect *dst_rect,
 285                              enum vl_compositor_deinterlace deinterlace);
 286
 287 /**
 288 + * convert rgb to yuv
 289 + */
 290 void
 291 vl_compositor_convert_rgb_to_yuv(struct vl_compositor_state *state,
 292                                  struct vl_compositor *compositor,
 293                                  unsigned layer,
 294                                  struct pipe_resource *src_res,
 295                                  struct pipe_video_buffer *dst,
 296                                  struct u_rect *src_rect,
 297                                  struct u_rect *dst_rect);
 298
 299 /*@}*/
 300
 301 /**
 302  * render the layers to the frontbuffer
 303  */
 304 void
 305 vl_compositor_render(struct vl_compositor_state *state,
 306                      struct vl_compositor       *compositor,
 307                      struct pipe_surface        *dst_surface,
 308                      struct u_rect              *dirty_area,
 309                      bool                        clear_dirty);
 310
 311 /**
 312  * destroy this compositor
 313  */
 314 void
 315 vl_compositor_cleanup(struct vl_compositor *compositor);
 316
 317 /**
 318  * destroy this state bag
 319  */
 320 void
 321 vl_compositor_cleanup_state(struct vl_compositor_state *state);
 322
 323 #endif /* vl_compositor_h */