src/gallium/drivers/softpipe/sp_video_context.c

   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 #include "sp_video_context.h"
  29 #include <pipe/p_inlines.h>
  30 #include <util/u_memory.h>
  31 #include <util/u_rect.h>
  32 #include <util/u_video.h>
  33 #include "sp_winsys.h"
  34 #include "sp_texture.h"
  35
  36 static void
  37 sp_mpeg12_destroy(struct pipe_video_context *vpipe)
  38 {
  39    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
  40
  41    assert(vpipe);
  42
  43    /* Asserted in softpipe_delete_fs_state() for some reason */
  44    ctx->pipe->bind_vs_state(ctx->pipe, NULL);
  45    ctx->pipe->bind_fs_state(ctx->pipe, NULL);
  46
  47    ctx->pipe->delete_blend_state(ctx->pipe, ctx->blend);
  48    ctx->pipe->delete_rasterizer_state(ctx->pipe, ctx->rast);
  49    ctx->pipe->delete_depth_stencil_alpha_state(ctx->pipe, ctx->dsa);
  50
  51    pipe_video_surface_reference(&ctx->decode_target, NULL);
  52    vl_compositor_cleanup(&ctx->compositor);
  53    vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
  54    ctx->pipe->destroy(ctx->pipe);
  55
  56    FREE(ctx);
  57 }
  58
  59 static void
  60 sp_mpeg12_decode_macroblocks(struct pipe_video_context *vpipe,
  61                              struct pipe_video_surface *past,
  62                              struct pipe_video_surface *future,
  63                              unsigned num_macroblocks,
  64                              struct pipe_macroblock *macroblocks,
  65                              struct pipe_fence_handle **fence)
  66 {
  67    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
  68    struct pipe_mpeg12_macroblock *mpeg12_macroblocks = (struct pipe_mpeg12_macroblock*)macroblocks;
  69
  70    assert(vpipe);
  71    assert(num_macroblocks);
  72    assert(macroblocks);
  73    assert(macroblocks->codec == PIPE_VIDEO_CODEC_MPEG12);
  74    assert(ctx->decode_target);
  75
  76    vl_mpeg12_mc_renderer_render_macroblocks(&ctx->mc_renderer,
  77                                             softpipe_video_surface(ctx->decode_target)->tex,
  78                                             past ? softpipe_video_surface(past)->tex : NULL,
  79                                             future ? softpipe_video_surface(future)->tex : NULL,
  80                                             num_macroblocks, mpeg12_macroblocks, fence);
  81 }
  82
  83 static void
  84 sp_mpeg12_surface_fill(struct pipe_video_context *vpipe,
  85                        struct pipe_surface *dst,
  86                        unsigned dstx, unsigned dsty,
  87                        unsigned width, unsigned height,
  88                        unsigned value)
  89 {
  90    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
  91
  92    assert(vpipe);
  93    assert(dst);
  94
  95    if (ctx->pipe->surface_fill)
  96       ctx->pipe->surface_fill(ctx->pipe, dst, dstx, dsty, width, height, value);
  97    else
  98       util_surface_fill(ctx->pipe, dst, dstx, dsty, width, height, value);
  99 }
 100
 101 static void
 102 sp_mpeg12_surface_copy(struct pipe_video_context *vpipe,
 103                        struct pipe_surface *dst,
 104                        unsigned dstx, unsigned dsty,
 105                        struct pipe_surface *src,
 106                        unsigned srcx, unsigned srcy,
 107                        unsigned width, unsigned height)
 108 {
 109    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 110
 111    assert(vpipe);
 112    assert(dst);
 113
 114    if (ctx->pipe->surface_copy)
 115       ctx->pipe->surface_copy(ctx->pipe, dst, dstx, dsty, src, srcx, srcy, width, height);
 116    else
 117       util_surface_copy(ctx->pipe, FALSE, dst, dstx, dsty, src, srcx, srcy, width, height);
 118 }
 119
 120 static void
 121 sp_mpeg12_render_picture(struct pipe_video_context     *vpipe,
 122                          /*struct pipe_surface         *backround,
 123                          struct pipe_video_rect        *backround_area,*/
 124                          struct pipe_video_surface     *src_surface,
 125                          enum pipe_mpeg12_picture_type picture_type,
 126                          /*unsigned                    num_past_surfaces,
 127                          struct pipe_video_surface     *past_surfaces,
 128                          unsigned                      num_future_surfaces,
 129                          struct pipe_video_surface     *future_surfaces,*/
 130                          struct pipe_video_rect        *src_area,
 131                          struct pipe_surface           *dst_surface,
 132                          struct pipe_video_rect        *dst_area,
 133                          /*unsigned                      num_layers,
 134                          struct pipe_surface           *layers,
 135                          struct pipe_video_rect        *layer_src_areas,
 136                          struct pipe_video_rect        *layer_dst_areas*/
 137                          struct pipe_fence_handle      **fence)
 138 {
 139    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 140
 141    assert(vpipe);
 142    assert(src_surface);
 143    assert(src_area);
 144    assert(dst_surface);
 145    assert(dst_area);
 146
 147    vl_compositor_render(&ctx->compositor, softpipe_video_surface(src_surface)->tex,
 148                         picture_type, src_area, dst_surface->texture, dst_area, fence);
 149 }
 150
 151 static void
 152 sp_mpeg12_set_decode_target(struct pipe_video_context *vpipe,
 153                             struct pipe_video_surface *dt)
 154 {
 155    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 156
 157    assert(vpipe);
 158    assert(dt);
 159
 160    pipe_video_surface_reference(&ctx->decode_target, dt);
 161 }
 162
 163 static void
 164 sp_mpeg12_set_csc_matrix(struct pipe_video_context *vpipe, const float *mat)
 165 {
 166    struct sp_mpeg12_context *ctx = (struct sp_mpeg12_context*)vpipe;
 167
 168    assert(vpipe);
 169
 170    vl_compositor_set_csc_matrix(&ctx->compositor, mat);
 171 }
 172
 173 static bool
 174 init_pipe_state(struct sp_mpeg12_context *ctx)
 175 {
 176    struct pipe_rasterizer_state rast;
 177    struct pipe_blend_state blend;
 178    struct pipe_depth_stencil_alpha_state dsa;
 179    unsigned i;
 180
 181    assert(ctx);
 182
 183    rast.flatshade = 1;
 184    rast.flatshade_first = 0;
 185    rast.light_twoside = 0;
 186    rast.front_winding = PIPE_WINDING_CCW;
 187    rast.cull_mode = PIPE_WINDING_CW;
 188    rast.fill_cw = PIPE_POLYGON_MODE_FILL;
 189    rast.fill_ccw = PIPE_POLYGON_MODE_FILL;
 190    rast.offset_cw = 0;
 191    rast.offset_ccw = 0;
 192    rast.scissor = 0;
 193    rast.poly_smooth = 0;
 194    rast.poly_stipple_enable = 0;
 195    rast.point_sprite = 0;
 196    rast.point_size_per_vertex = 0;
 197    rast.multisample = 0;
 198    rast.line_smooth = 0;
 199    rast.line_stipple_enable = 0;
 200    rast.line_stipple_factor = 0;
 201    rast.line_stipple_pattern = 0;
 202    rast.line_last_pixel = 0;
 203    rast.bypass_vs_clip_and_viewport = 0;
 204    rast.line_width = 1;
 205    rast.point_smooth = 0;
 206    rast.point_size = 1;
 207    rast.offset_units = 1;
 208    rast.offset_scale = 1;
 209    rast.gl_rasterization_rules = 1;
 210    /*rast.sprite_coord_mode[i] = ;*/
 211    ctx->rast = ctx->pipe->create_rasterizer_state(ctx->pipe, &rast);
 212    ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rast);
 213
 214    blend.blend_enable = 0;
 215    blend.rgb_func = PIPE_BLEND_ADD;
 216    blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
 217    blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
 218    blend.alpha_func = PIPE_BLEND_ADD;
 219    blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
 220    blend.alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
 221    blend.logicop_enable = 0;
 222    blend.logicop_func = PIPE_LOGICOP_CLEAR;
 223    /* Needed to allow color writes to FB, even if blending disabled */
 224    blend.colormask = PIPE_MASK_RGBA;
 225    blend.dither = 0;
 226    ctx->blend = ctx->pipe->create_blend_state(ctx->pipe, &blend);
 227    ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend);
 228
 229    dsa.depth.enabled = 0;
 230    dsa.depth.writemask = 0;
 231    dsa.depth.func = PIPE_FUNC_ALWAYS;
 232    for (i = 0; i < 2; ++i) {
 233       dsa.stencil[i].enabled = 0;
 234       dsa.stencil[i].func = PIPE_FUNC_ALWAYS;
 235       dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP;
 236       dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP;
 237       dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP;
 238       dsa.stencil[i].ref_value = 0;
 239       dsa.stencil[i].valuemask = 0;
 240       dsa.stencil[i].writemask = 0;
 241    }
 242    dsa.alpha.enabled = 0;
 243    dsa.alpha.func = PIPE_FUNC_ALWAYS;
 244    dsa.alpha.ref_value = 0;
 245    ctx->dsa = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &dsa);
 246    ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, ctx->dsa);
 247
 248    return true;
 249 }
 250
 251 static struct pipe_video_context *
 252 sp_mpeg12_create(struct pipe_context *pipe, enum pipe_video_profile profile,
 253                  enum pipe_video_chroma_format chroma_format,
 254                  unsigned width, unsigned height,
 255                  enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
 256                  enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
 257                  bool pot_buffers)
 258 {
 259    struct sp_mpeg12_context *ctx;
 260
 261    assert(u_reduce_video_profile(profile) == PIPE_VIDEO_CODEC_MPEG12);
 262
 263    ctx = CALLOC_STRUCT(sp_mpeg12_context);
 264
 265    if (!ctx)
 266       return NULL;
 267
 268    ctx->base.profile = profile;
 269    ctx->base.chroma_format = chroma_format;
 270    ctx->base.width = width;
 271    ctx->base.height = height;
 272
 273    ctx->base.screen = pipe->screen;
 274    ctx->base.destroy = sp_mpeg12_destroy;
 275    ctx->base.decode_macroblocks = sp_mpeg12_decode_macroblocks;
 276    ctx->base.render_picture = sp_mpeg12_render_picture;
 277    ctx->base.surface_fill = sp_mpeg12_surface_fill;
 278    ctx->base.surface_copy = sp_mpeg12_surface_copy;
 279    ctx->base.set_decode_target = sp_mpeg12_set_decode_target;
 280    ctx->base.set_csc_matrix = sp_mpeg12_set_csc_matrix;
 281
 282    ctx->pipe = pipe;
 283
 284    if (!vl_mpeg12_mc_renderer_init(&ctx->mc_renderer, ctx->pipe,
 285                                    width, height, chroma_format,
 286                                    bufmode, eb_handling, pot_buffers)) {
 287       ctx->pipe->destroy(ctx->pipe);
 288       FREE(ctx);
 289       return NULL;
 290    }
 291
 292    if (!vl_compositor_init(&ctx->compositor, ctx->pipe)) {
 293       vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
 294       ctx->pipe->destroy(ctx->pipe);
 295       FREE(ctx);
 296       return NULL;
 297    }
 298
 299    if (!init_pipe_state(ctx)) {
 300       vl_compositor_cleanup(&ctx->compositor);
 301       vl_mpeg12_mc_renderer_cleanup(&ctx->mc_renderer);
 302       ctx->pipe->destroy(ctx->pipe);
 303       FREE(ctx);
 304       return NULL;
 305    }
 306
 307    return &ctx->base;
 308 }
 309
 310 struct pipe_video_context *
 311 sp_video_create(struct pipe_screen *screen, enum pipe_video_profile profile,
 312                 enum pipe_video_chroma_format chroma_format,
 313                 unsigned width, unsigned height)
 314 {
 315    struct pipe_context *pipe;
 316
 317    assert(screen);
 318    assert(width && height);
 319
 320    pipe = softpipe_create(screen);
 321    if (!pipe)
 322       return NULL;
 323
 324    /* TODO: Use slice buffering for softpipe when implemented, no advantage to buffering an entire picture with softpipe */
 325    /* TODO: Use XFER_NONE when implemented */
 326    return sp_video_create_ex(pipe, profile,
 327                              chroma_format,
 328                              width, height,
 329                              VL_MPEG12_MC_RENDERER_BUFFER_PICTURE,
 330                              VL_MPEG12_MC_RENDERER_EMPTY_BLOCK_XFER_ONE,
 331                              true);
 332 }
 333
 334 struct pipe_video_context *
 335 sp_video_create_ex(struct pipe_context *pipe, enum pipe_video_profile profile,
 336                    enum pipe_video_chroma_format chroma_format,
 337                    unsigned width, unsigned height,
 338                    enum VL_MPEG12_MC_RENDERER_BUFFER_MODE bufmode,
 339                    enum VL_MPEG12_MC_RENDERER_EMPTY_BLOCK eb_handling,
 340                    bool pot_buffers)
 341 {
 342    assert(pipe);
 343    assert(width && height);
 344
 345    switch (u_reduce_video_profile(profile)) {
 346       case PIPE_VIDEO_CODEC_MPEG12:
 347          return sp_mpeg12_create(pipe, profile,
 348                                  chroma_format,
 349                                  width, height,
 350                                  bufmode, eb_handling,
 351                                  pot_buffers);
 352       default:
 353          return NULL;
 354    }
 355 }