src/gallium/auxiliary/vl/vl_compositor.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 <assert.h>
  29
  30 #include "pipe/p_compiler.h"
  31 #include "pipe/p_context.h"
  32
  33 #include "util/u_memory.h"
  34 #include "util/u_draw.h"
  35 #include "util/u_surface.h"
  36 #include "util/u_sampler.h"
  37
  38 #include "tgsi/tgsi_ureg.h"
  39
  40 #include "vl_csc.h"
  41 #include "vl_types.h"
  42 #include "vl_compositor.h"
  43
  44 typedef float csc_matrix[16];
  45
  46 static void *
  47 create_vert_shader(struct vl_compositor *c)
  48 {
  49    struct ureg_program *shader;
  50    struct ureg_src vpos, vtex;
  51    struct ureg_dst o_vpos, o_vtex;
  52
  53    shader = ureg_create(TGSI_PROCESSOR_VERTEX);
  54    if (!shader)
  55       return false;
  56
  57    vpos = ureg_DECL_vs_input(shader, 0);
  58    vtex = ureg_DECL_vs_input(shader, 1);
  59    o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, 0);
  60    o_vtex = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, 1);
  61
  62    /*
  63     * o_vpos = vpos
  64     * o_vtex = vtex
  65     */
  66    ureg_MOV(shader, o_vpos, vpos);
  67    ureg_MOV(shader, o_vtex, vtex);
  68
  69    ureg_END(shader);
  70
  71    return ureg_create_shader_and_destroy(shader, c->pipe);
  72 }
  73
  74 static void *
  75 create_frag_shader_video_buffer(struct vl_compositor *c, unsigned planes)
  76 {
  77    struct ureg_program *shader;
  78    struct ureg_src tc;
  79    struct ureg_src csc[3];
  80    struct ureg_src sampler[3];
  81    struct ureg_dst texel;
  82    struct ureg_dst fragment;
  83    unsigned i;
  84
  85    shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
  86    if (!shader)
  87       return false;
  88
  89    tc = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, 1, TGSI_INTERPOLATE_LINEAR);
  90    for (i = 0; i < 3; ++i) {
  91       csc[i] = ureg_DECL_constant(shader, i);
  92       if (i < planes)
  93          sampler[i] = ureg_DECL_sampler(shader, i);
  94    }
  95    texel = ureg_DECL_temporary(shader);
  96    fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
  97
  98    /*
  99     * texel.xyz = tex(tc, sampler[i])
 100     * fragment = csc * texel
 101     */
 102    if (planes == 2) {
 103       ureg_TEX(shader, ureg_writemask(texel, TGSI_WRITEMASK_X), TGSI_TEXTURE_2D, tc, sampler[0]);
 104       ureg_TEX(shader, ureg_writemask(texel, TGSI_WRITEMASK_YZ), TGSI_TEXTURE_2D, tc, sampler[1]);
 105    } else {
 106       for (i = 0; i < 3; ++i)
 107          ureg_TEX(shader, ureg_writemask(texel, TGSI_WRITEMASK_X << i), TGSI_TEXTURE_2D, tc, sampler[i]);
 108    }
 109
 110    ureg_MOV(shader, ureg_writemask(texel, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));
 111
 112    for (i = 0; i < 3; ++i)
 113       ureg_DP4(shader, ureg_writemask(fragment, TGSI_WRITEMASK_X << i), csc[i], ureg_src(texel));
 114
 115    ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));
 116
 117    ureg_release_temporary(shader, texel);
 118    ureg_END(shader);
 119
 120    return ureg_create_shader_and_destroy(shader, c->pipe);
 121 }
 122
 123 static struct ureg_dst
 124 calc_line(struct ureg_program *shader)
 125 {
 126    struct ureg_dst tmp;
 127    struct ureg_src pos;
 128
 129    tmp = ureg_DECL_temporary(shader);
 130
 131    pos = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_POSITION, 0, TGSI_INTERPOLATE_LINEAR);
 132
 133    /*
 134     * tmp.y = fraction(pos.y * .5) >= 0.5 ? 1 : 0
 135     */
 136    ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), pos, ureg_imm1f(shader, 0.5f));
 137    ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp));
 138    ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp), ureg_imm1f(shader, 0.5f));
 139
 140    return tmp;
 141 }
 142
 143 /* Deinterlace NV12 or YV12 to a temporary video buffer
 144  */
 145
 146 static void *
 147 create_frag_shader_deint_planar_weave(struct vl_compositor *c, unsigned luma, unsigned comps)
 148 {
 149    struct ureg_program *shader;
 150    struct ureg_src tc, sampler[4];
 151    struct ureg_dst field, fragment, swizcolor;
 152    unsigned label, writemask;
 153    if (luma)
 154       writemask = TGSI_WRITEMASK_X;
 155    else if (comps == 2)
 156       writemask = TGSI_WRITEMASK_YZ;
 157    else
 158       writemask = TGSI_WRITEMASK_Y;
 159
 160    shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
 161    if (!shader)
 162       return false;
 163
 164    tc = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, 1, TGSI_INTERPOLATE_LINEAR);
 165    fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
 166    sampler[0] = ureg_DECL_sampler(shader, 0);
 167    sampler[1] = ureg_DECL_sampler(shader, 1);
 168    if (!luma && comps == 1) {
 169       sampler[2] = ureg_DECL_sampler(shader, 2);
 170       sampler[3] = ureg_DECL_sampler(shader, 3);
 171    }
 172
 173    field = calc_line(shader);
 174    swizcolor = ureg_DECL_temporary(shader);
 175
 176    /* field.y = fraction(coord/2) >= .5 (from vl_mc.c)
 177     *
 178     * if (field.y)
 179     *   swiz = sampler[bottom];
 180     * else
 181     *   swiz = sampler[top];
 182     *
 183     * if (LUMA)
 184     *    color.x = swiz;
 185     * else
 186     *    color.xy = swiz.yz;
 187     */
 188
 189    ureg_IF(shader, ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y), &label);
 190       ureg_TEX(shader, ureg_writemask(swizcolor, writemask), TGSI_TEXTURE_2D, tc, sampler[1]);
 191       if (!luma && comps == 1)
 192          ureg_TEX(shader, ureg_writemask(swizcolor, TGSI_WRITEMASK_Z), TGSI_TEXTURE_2D, tc, sampler[3]);
 193       ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
 194    ureg_ELSE(shader, &label);
 195       ureg_TEX(shader, ureg_writemask(swizcolor, writemask), TGSI_TEXTURE_2D, tc, sampler[0]);
 196       if (!luma && comps == 1)
 197          ureg_TEX(shader, ureg_writemask(swizcolor, TGSI_WRITEMASK_Z), TGSI_TEXTURE_2D, tc, sampler[2]);
 198       ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
 199    ureg_ENDIF(shader);
 200
 201    if (luma)
 202       ureg_MOV(shader, ureg_writemask(fragment, writemask), ureg_src(swizcolor));
 203    else
 204       ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XY),
 205                ureg_swizzle(ureg_src(swizcolor), TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z));
 206
 207    ureg_release_temporary(shader, swizcolor);
 208    ureg_release_temporary(shader, field);
 209    ureg_END(shader);
 210    return ureg_create_shader_and_destroy(shader, c->pipe);
 211 }
 212
 213 static void *
 214 create_frag_shader_palette(struct vl_compositor *c, bool include_cc)
 215 {
 216    struct ureg_program *shader;
 217    struct ureg_src csc[3];
 218    struct ureg_src tc;
 219    struct ureg_src sampler;
 220    struct ureg_src palette;
 221    struct ureg_dst texel;
 222    struct ureg_dst fragment;
 223    unsigned i;
 224
 225    shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
 226    if (!shader)
 227       return false;
 228
 229    for (i = 0; include_cc && i < 3; ++i)
 230       csc[i] = ureg_DECL_constant(shader, i);
 231
 232    tc = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, 1, TGSI_INTERPOLATE_LINEAR);
 233    sampler = ureg_DECL_sampler(shader, 0);
 234    palette = ureg_DECL_sampler(shader, 1);
 235
 236    texel = ureg_DECL_temporary(shader);
 237    fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
 238
 239    /*
 240     * texel = tex(tc, sampler)
 241     * fragment.xyz = tex(texel, palette) * csc
 242     * fragment.a = texel.a
 243     */
 244    ureg_TEX(shader, texel, TGSI_TEXTURE_2D, tc, sampler);
 245    ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_src(texel));
 246
 247    if (include_cc) {
 248       ureg_TEX(shader, texel, TGSI_TEXTURE_1D, ureg_src(texel), palette);
 249       for (i = 0; i < 3; ++i)
 250          ureg_DP4(shader, ureg_writemask(fragment, TGSI_WRITEMASK_X << i), csc[i], ureg_src(texel));
 251    } else {
 252       ureg_TEX(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ),
 253                TGSI_TEXTURE_1D, ureg_src(texel), palette);
 254    }
 255
 256    ureg_release_temporary(shader, texel);
 257    ureg_END(shader);
 258
 259    return ureg_create_shader_and_destroy(shader, c->pipe);
 260 }
 261
 262 static void *
 263 create_frag_shader_rgba(struct vl_compositor *c)
 264 {
 265    struct ureg_program *shader;
 266    struct ureg_src tc;
 267    struct ureg_src sampler;
 268    struct ureg_dst fragment;
 269
 270    shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
 271    if (!shader)
 272       return false;
 273
 274    tc = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, 1, TGSI_INTERPOLATE_LINEAR);
 275    sampler = ureg_DECL_sampler(shader, 0);
 276    fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
 277
 278    /*
 279     * fragment = tex(tc, sampler)
 280     */
 281    ureg_TEX(shader, fragment, TGSI_TEXTURE_2D, tc, sampler);
 282    ureg_END(shader);
 283
 284    return ureg_create_shader_and_destroy(shader, c->pipe);
 285 }
 286
 287 static bool
 288 init_shaders(struct vl_compositor *c)
 289 {
 290    assert(c);
 291
 292    c->vs = create_vert_shader(c);
 293    if (!c->vs) {
 294       debug_printf("Unable to create vertex shader.\n");
 295       return false;
 296    }
 297
 298    c->fs_palette.yuv = create_frag_shader_palette(c, true);
 299    if (!c->fs_palette.yuv) {
 300       debug_printf("Unable to create YUV-Palette-to-RGB fragment shader.\n");
 301       return false;
 302    }
 303
 304    c->fs_palette.rgb = create_frag_shader_palette(c, false);
 305    if (!c->fs_palette.rgb) {
 306       debug_printf("Unable to create RGB-Palette-to-RGB fragment shader.\n");
 307       return false;
 308    }
 309
 310    c->fs_rgba = create_frag_shader_rgba(c);
 311    if (!c->fs_rgba) {
 312       debug_printf("Unable to create RGB-to-RGB fragment shader.\n");
 313       return false;
 314    }
 315
 316    return true;
 317 }
 318
 319 static void cleanup_shaders(struct vl_compositor *c)
 320 {
 321    assert(c);
 322
 323    c->pipe->delete_vs_state(c->pipe, c->vs);
 324    c->pipe->delete_fs_state(c->pipe, c->fs_palette.yuv);
 325    c->pipe->delete_fs_state(c->pipe, c->fs_palette.rgb);
 326    c->pipe->delete_fs_state(c->pipe, c->fs_rgba);
 327 }
 328
 329 static bool
 330 init_pipe_state(struct vl_compositor *c)
 331 {
 332    struct pipe_rasterizer_state rast;
 333    struct pipe_sampler_state sampler;
 334    struct pipe_blend_state blend;
 335    struct pipe_depth_stencil_alpha_state dsa;
 336    unsigned i;
 337
 338    assert(c);
 339
 340    c->fb_state.nr_cbufs = 1;
 341    c->fb_state.zsbuf = NULL;
 342
 343    c->viewport.scale[2] = 1;
 344    c->viewport.scale[3] = 1;
 345    c->viewport.translate[2] = 0;
 346    c->viewport.translate[3] = 0;
 347
 348    memset(&sampler, 0, sizeof(sampler));
 349    sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 350    sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 351    sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 352    sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
 353    sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
 354    sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
 355    sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
 356    sampler.compare_func = PIPE_FUNC_ALWAYS;
 357    sampler.normalized_coords = 1;
 358
 359    c->sampler_linear = c->pipe->create_sampler_state(c->pipe, &sampler);
 360
 361    sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
 362    sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
 363    c->sampler_nearest = c->pipe->create_sampler_state(c->pipe, &sampler);
 364
 365    memset(&blend, 0, sizeof blend);
 366    blend.independent_blend_enable = 0;
 367    blend.rt[0].blend_enable = 0;
 368    blend.logicop_enable = 0;
 369    blend.logicop_func = PIPE_LOGICOP_CLEAR;
 370    blend.rt[0].colormask = PIPE_MASK_RGBA;
 371    blend.dither = 0;
 372    c->blend_clear = c->pipe->create_blend_state(c->pipe, &blend);
 373
 374    blend.rt[0].blend_enable = 1;
 375    blend.rt[0].rgb_func = PIPE_BLEND_ADD;
 376    blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
 377    blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
 378    blend.rt[0].alpha_func = PIPE_BLEND_ADD;
 379    blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
 380    blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
 381    c->blend_add = c->pipe->create_blend_state(c->pipe, &blend);
 382
 383    memset(&rast, 0, sizeof rast);
 384    rast.flatshade = 1;
 385    rast.front_ccw = 1;
 386    rast.cull_face = PIPE_FACE_NONE;
 387    rast.fill_back = PIPE_POLYGON_MODE_FILL;
 388    rast.fill_front = PIPE_POLYGON_MODE_FILL;
 389    rast.scissor = 1;
 390    rast.line_width = 1;
 391    rast.point_size_per_vertex = 1;
 392    rast.offset_units = 1;
 393    rast.offset_scale = 1;
 394    rast.gl_rasterization_rules = 1;
 395
 396    c->rast = c->pipe->create_rasterizer_state(c->pipe, &rast);
 397
 398    memset(&dsa, 0, sizeof dsa);
 399    dsa.depth.enabled = 0;
 400    dsa.depth.writemask = 0;
 401    dsa.depth.func = PIPE_FUNC_ALWAYS;
 402    for (i = 0; i < 2; ++i) {
 403       dsa.stencil[i].enabled = 0;
 404       dsa.stencil[i].func = PIPE_FUNC_ALWAYS;
 405       dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP;
 406       dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP;
 407       dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP;
 408       dsa.stencil[i].valuemask = 0;
 409       dsa.stencil[i].writemask = 0;
 410    }
 411    dsa.alpha.enabled = 0;
 412    dsa.alpha.func = PIPE_FUNC_ALWAYS;
 413    dsa.alpha.ref_value = 0;
 414    c->dsa = c->pipe->create_depth_stencil_alpha_state(c->pipe, &dsa);
 415    c->pipe->bind_depth_stencil_alpha_state(c->pipe, c->dsa);
 416
 417    return true;
 418 }
 419
 420 static void cleanup_pipe_state(struct vl_compositor *c)
 421 {
 422    assert(c);
 423
 424    /* Asserted in softpipe_delete_fs_state() for some reason */
 425    c->pipe->bind_vs_state(c->pipe, NULL);
 426    c->pipe->bind_fs_state(c->pipe, NULL);
 427
 428    c->pipe->delete_depth_stencil_alpha_state(c->pipe, c->dsa);
 429    c->pipe->delete_sampler_state(c->pipe, c->sampler_linear);
 430    c->pipe->delete_sampler_state(c->pipe, c->sampler_nearest);
 431    c->pipe->delete_blend_state(c->pipe, c->blend_clear);
 432    c->pipe->delete_blend_state(c->pipe, c->blend_add);
 433    c->pipe->delete_rasterizer_state(c->pipe, c->rast);
 434 }
 435
 436 static bool
 437 create_vertex_buffer(struct vl_compositor *c)
 438 {
 439    assert(c);
 440
 441    pipe_resource_reference(&c->vertex_buf.buffer, NULL);
 442    c->vertex_buf.buffer = pipe_buffer_create
 443    (
 444       c->pipe->screen,
 445       PIPE_BIND_VERTEX_BUFFER,
 446       PIPE_USAGE_STREAM,
 447       sizeof(struct vertex4f) * VL_COMPOSITOR_MAX_LAYERS * 4
 448    );
 449
 450    return c->vertex_buf.buffer != NULL;
 451 }
 452
 453 static bool
 454 init_buffers(struct vl_compositor *c)
 455 {
 456    struct pipe_vertex_element vertex_elems[2];
 457
 458    assert(c);
 459
 460    /*
 461     * Create our vertex buffer and vertex buffer elements
 462     */
 463    c->vertex_buf.stride = sizeof(struct vertex4f);
 464    c->vertex_buf.buffer_offset = 0;
 465    create_vertex_buffer(c);
 466
 467    vertex_elems[0].src_offset = 0;
 468    vertex_elems[0].instance_divisor = 0;
 469    vertex_elems[0].vertex_buffer_index = 0;
 470    vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
 471    vertex_elems[1].src_offset = sizeof(struct vertex2f);
 472    vertex_elems[1].instance_divisor = 0;
 473    vertex_elems[1].vertex_buffer_index = 0;
 474    vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
 475    c->vertex_elems_state = c->pipe->create_vertex_elements_state(c->pipe, 2, vertex_elems);
 476
 477    /*
 478     * Create our fragment shader's constant buffer
 479     * Const buffer contains the color conversion matrix and bias vectors
 480     */
 481    /* XXX: Create with IMMUTABLE/STATIC... although it does change every once in a long while... */
 482    c->csc_matrix = pipe_buffer_create
 483    (
 484       c->pipe->screen,
 485       PIPE_BIND_CONSTANT_BUFFER,
 486       PIPE_USAGE_STATIC,
 487       sizeof(csc_matrix)
 488    );
 489
 490    return true;
 491 }
 492
 493 static void
 494 cleanup_buffers(struct vl_compositor *c)
 495 {
 496    assert(c);
 497
 498    c->pipe->delete_vertex_elements_state(c->pipe, c->vertex_elems_state);
 499    pipe_resource_reference(&c->vertex_buf.buffer, NULL);
 500    pipe_resource_reference(&c->csc_matrix, NULL);
 501 }
 502
 503 static INLINE struct pipe_video_rect
 504 default_rect(struct vl_compositor_layer *layer)
 505 {
 506    struct pipe_resource *res = layer->sampler_views[0]->texture;
 507    struct pipe_video_rect rect = { 0, 0, res->width0, res->height0 };
 508    return rect;
 509 }
 510
 511 static INLINE struct vertex2f
 512 calc_topleft(struct vertex2f size, struct pipe_video_rect rect)
 513 {
 514    struct vertex2f res = { rect.x / size.x, rect.y / size.y };
 515    return res;
 516 }
 517
 518 static INLINE struct vertex2f
 519 calc_bottomright(struct vertex2f size, struct pipe_video_rect rect)
 520 {
 521    struct vertex2f res = { (rect.x + rect.w) / size.x, (rect.y + rect.h) / size.y };
 522    return res;
 523 }
 524
 525 static INLINE void
 526 calc_src_and_dst(struct vl_compositor_layer *layer, unsigned width, unsigned height,
 527                  struct pipe_video_rect src, struct pipe_video_rect *dst)
 528 {
 529    struct vertex2f size_in = { width, height };
 530    struct vertex2f size_out = { 1.f, 1.f };
 531
 532    layer->src.tl = calc_topleft(size_in, src);
 533    layer->src.br = calc_bottomright(size_in, src);
 534    if (dst) {
 535       layer->dst.tl = calc_topleft(size_out, *dst);
 536       layer->dst.br = calc_bottomright(size_out, *dst);
 537       layer->custom_dest_rect = 1;
 538    } else {
 539       layer->dst.tl.x = layer->dst.tl.y = 0.f;
 540       layer->dst.br.x = layer->dst.br.y = 1.f;
 541       layer->custom_dest_rect = 0;
 542    }
 543 }
 544
 545 static void
 546 gen_rect_verts(struct vertex4f *vb, struct vl_compositor_layer *layer, float w, float h)
 547 {
 548    assert(vb && layer);
 549
 550    vb[0].x = layer->dst.tl.x / w;
 551    vb[0].y = layer->dst.tl.y / h;
 552    vb[0].z = layer->src.tl.x;
 553    vb[0].w = layer->src.tl.y;
 554
 555    vb[1].x = layer->dst.br.x / w;
 556    vb[1].y = layer->dst.tl.y / h;
 557    vb[1].z = layer->src.br.x;
 558    vb[1].w = layer->src.tl.y;
 559
 560    vb[2].x = layer->dst.br.x / w;
 561    vb[2].y = layer->dst.br.y / h;
 562    vb[2].z = layer->src.br.x;
 563    vb[2].w = layer->src.br.y;
 564
 565    vb[3].x = layer->dst.tl.x / w;
 566    vb[3].y = layer->dst.br.y / h;
 567    vb[3].z = layer->src.tl.x;
 568    vb[3].w = layer->src.br.y;
 569 }
 570
 571 static void
 572 gen_vertex_data(struct vl_compositor *c, float w, float h)
 573 {
 574    struct vertex4f *vb;
 575    struct pipe_transfer *buf_transfer;
 576    unsigned i;
 577
 578    assert(c);
 579
 580    vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
 581                         PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD | PIPE_TRANSFER_DONTBLOCK,
 582                         &buf_transfer);
 583
 584    if (!vb) {
 585       // If buffer is still locked from last draw create a new one
 586       create_vertex_buffer(c);
 587       vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
 588                            PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
 589                            &buf_transfer);
 590    }
 591
 592    for (i = 0; i < VL_COMPOSITOR_MAX_LAYERS; i++) {
 593       if (c->used_layers & (1 << i)) {
 594          struct vl_compositor_layer *layer = &c->layers[i];
 595          if (layer->custom_dest_rect)
 596             gen_rect_verts(vb, layer, w, h);
 597          else
 598             gen_rect_verts(vb, layer, 1.f, 1.f);
 599          vb += 4;
 600
 601          if (layer->clearing &&
 602              (!layer->custom_dest_rect ||
 603              (c->dirty_tl.x >= layer->dst.tl.x/w &&
 604               c->dirty_tl.y >= layer->dst.tl.y/h &&
 605               c->dirty_br.x <= layer->dst.br.x/w &&
 606               c->dirty_br.y <= layer->dst.br.y/h))) {
 607             // We clear the dirty area anyway, no need for clear_render_target
 608             c->dirty_tl.x = c->dirty_tl.y = 1.0f;
 609             c->dirty_br.x = c->dirty_br.y = 0.0f;
 610          }
 611       }
 612    }
 613
 614    pipe_buffer_unmap(c->pipe, buf_transfer);
 615 }
 616
 617 static void
 618 draw_layers(struct vl_compositor *c, float w, float h)
 619 {
 620    unsigned vb_index, i;
 621
 622    assert(c);
 623
 624    for (i = 0, vb_index = 0; i < VL_COMPOSITOR_MAX_LAYERS; ++i) {
 625       if (c->used_layers & (1 << i)) {
 626          struct vl_compositor_layer *layer = &c->layers[i];
 627          struct pipe_sampler_view **samplers = &layer->sampler_views[0];
 628          unsigned num_sampler_views = !samplers[1] ? 1 : !samplers[2] ? 2 : 3;
 629
 630          c->pipe->bind_blend_state(c->pipe, layer->blend);
 631          c->pipe->bind_fs_state(c->pipe, layer->fs);
 632          c->pipe->bind_fragment_sampler_states(c->pipe, num_sampler_views, layer->samplers);
 633          c->pipe->set_fragment_sampler_views(c->pipe, num_sampler_views, samplers);
 634          util_draw_arrays(c->pipe, PIPE_PRIM_QUADS, vb_index * 4, 4);
 635          vb_index++;
 636
 637          // Remember the currently drawn area as dirty for the next draw command
 638          if (layer->custom_dest_rect) {
 639             c->dirty_tl.x = MIN2(layer->dst.tl.x/w, c->dirty_tl.x);
 640             c->dirty_tl.y = MIN2(layer->dst.tl.y/h, c->dirty_tl.y);
 641             c->dirty_br.x = MAX2(layer->dst.br.x/w, c->dirty_br.x);
 642             c->dirty_br.y = MAX2(layer->dst.br.y/h, c->dirty_br.y);
 643          } else {
 644             c->dirty_tl.x = 0.f;
 645             c->dirty_tl.y = 0.f;
 646             c->dirty_br.x = 1.f;
 647             c->dirty_br.y = 1.f;
 648          }
 649       }
 650    }
 651 }
 652
 653 void
 654 vl_compositor_reset_dirty_area(struct vl_compositor *c)
 655 {
 656    assert(c);
 657
 658    c->dirty_tl.x = c->dirty_tl.y = 0.0f;
 659    c->dirty_br.x = c->dirty_br.y = 1.0f;
 660 }
 661
 662 void
 663 vl_compositor_set_clear_color(struct vl_compositor *c, union pipe_color_union *color)
 664 {
 665    assert(c);
 666
 667    c->clear_color = *color;
 668 }
 669
 670 void
 671 vl_compositor_get_clear_color(struct vl_compositor *c, union pipe_color_union *color)
 672 {
 673    assert(c);
 674    assert(color);
 675
 676    *color = c->clear_color;
 677 }
 678
 679 void
 680 vl_compositor_clear_layers(struct vl_compositor *c)
 681 {
 682    unsigned i, j;
 683
 684    assert(c);
 685
 686    c->used_layers = 0;
 687    for ( i = 0; i < VL_COMPOSITOR_MAX_LAYERS; ++i) {
 688       c->layers[i].clearing = i ? false : true;
 689       c->layers[i].blend = i ? c->blend_add : c->blend_clear;
 690       c->layers[i].fs = NULL;
 691       for ( j = 0; j < 3; j++)
 692          pipe_sampler_view_reference(&c->layers[i].sampler_views[j], NULL);
 693    }
 694 }
 695
 696 static void
 697 cleanup_video(struct vl_compositor *c)
 698 {
 699    unsigned i;
 700    for (i = 0; i < 3; ++i) {
 701       if (!c->fs_weave[i])
 702          continue;
 703       c->pipe->delete_fs_state(c->pipe, c->fs_weave[i]);
 704    }
 705    if (c->fs_video_buffer2)
 706       c->pipe->delete_fs_state(c->pipe, c->fs_video_buffer2);
 707    if (c->fs_video_buffer3)
 708       c->pipe->delete_fs_state(c->pipe, c->fs_video_buffer3);
 709    pipe_surface_reference(&c->video_surf[0], NULL);
 710    pipe_surface_reference(&c->video_surf[1], NULL);
 711    pipe_sampler_view_reference(&c->video_sv[0], NULL);
 712    pipe_sampler_view_reference(&c->video_sv[1], NULL);
 713    pipe_resource_reference(&c->video_y, NULL);
 714    pipe_resource_reference(&c->video_cbcr, NULL);
 715 }
 716
 717 void
 718 vl_compositor_cleanup(struct vl_compositor *c)
 719 {
 720    assert(c);
 721
 722    vl_compositor_clear_layers(c);
 723    cleanup_buffers(c);
 724    cleanup_shaders(c);
 725    cleanup_pipe_state(c);
 726    cleanup_video(c);
 727 }
 728
 729 void
 730 vl_compositor_set_csc_matrix(struct vl_compositor *c, const float matrix[16])
 731 {
 732    struct pipe_transfer *buf_transfer;
 733
 734    assert(c);
 735
 736    memcpy
 737    (
 738       pipe_buffer_map(c->pipe, c->csc_matrix,
 739                       PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
 740                       &buf_transfer),
 741       matrix,
 742       sizeof(csc_matrix)
 743    );
 744
 745    pipe_buffer_unmap(c->pipe, buf_transfer);
 746 }
 747
 748 void
 749 vl_compositor_set_layer_blend(struct vl_compositor *c,
 750                               unsigned layer, void *blend,
 751                               bool is_clearing)
 752 {
 753    assert(c && blend);
 754
 755    assert(layer < VL_COMPOSITOR_MAX_LAYERS);
 756
 757    c->layers[layer].clearing = is_clearing;
 758    c->layers[layer].blend = blend;
 759 }
 760
 761
 762 static void gen_vertex_data_video(struct vl_compositor *c) {
 763    struct vertex4f *vb;
 764    struct pipe_transfer *buf_transfer;
 765    vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
 766                         PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD | PIPE_TRANSFER_DONTBLOCK,
 767                         &buf_transfer);
 768
 769    if (!vb) {
 770       // If buffer is still locked from last draw create a new one
 771       create_vertex_buffer(c);
 772       vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
 773                            PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD,
 774                            &buf_transfer);
 775    }
 776    vb[0].x = 0.f;
 777    vb[0].y = 0.f;
 778    vb[0].z = 0.f;
 779    vb[0].w = 0.f;
 780
 781    vb[1].x = 0.f;
 782    vb[1].y = 65535.f;
 783    vb[1].z = 0.f;
 784    vb[1].w = 65535.f;
 785
 786    vb[2].x = 65535.f;
 787    vb[2].y = 0.f;
 788    vb[2].z = 65535.f;
 789    vb[2].w = 0.f;
 790    pipe_buffer_unmap(c->pipe, buf_transfer);
 791 }
 792
 793 static void
 794 vl_compositor_render_video(struct vl_compositor *c,
 795                            struct pipe_video_buffer *buffer)
 796 {
 797    struct pipe_sampler_view **sv;
 798    struct pipe_scissor_state scissor;
 799    sv = buffer->get_sampler_view_planes(buffer, 1);
 800    void *samplers[4];
 801    unsigned i;
 802    for (i = 0; i < 4; ++i)
 803       samplers[i] = c->sampler_nearest;
 804
 805    assert(c);
 806    gen_vertex_data_video(c);
 807    for (i = 0; i < 2; ++i) {
 808       struct pipe_surface *dst_surface = c->video_surf[i];
 809       assert(dst_surface);
 810       unsigned num_sampler_views;
 811       if (i == 0)
 812          num_sampler_views = 2;
 813       else
 814          num_sampler_views = 2 * (1 + !!sv[4]);
 815
 816       c->fb_state.width = dst_surface->width;
 817       c->fb_state.height = dst_surface->height;
 818       c->fb_state.cbufs[0] = dst_surface;
 819
 820       c->viewport.scale[0] = sv[2*i]->texture->width0;
 821       c->viewport.scale[1] = sv[2*i]->texture->height0 * 2;
 822       c->viewport.translate[0] = 0;
 823       c->viewport.translate[1] = 0;
 824
 825       scissor.minx = 0;
 826       scissor.miny = 0;
 827       scissor.maxx = dst_surface->width;
 828       scissor.maxy = dst_surface->height;
 829
 830       c->pipe->set_scissor_state(c->pipe, &scissor);
 831       c->pipe->set_framebuffer_state(c->pipe, &c->fb_state);
 832       c->pipe->set_viewport_state(c->pipe, &c->viewport);
 833       c->pipe->bind_vs_state(c->pipe, c->vs);
 834       c->pipe->set_vertex_buffers(c->pipe, 1, &c->vertex_buf);
 835       c->pipe->bind_vertex_elements_state(c->pipe, c->vertex_elems_state);
 836       c->pipe->bind_rasterizer_state(c->pipe, c->rast);
 837
 838       c->pipe->bind_blend_state(c->pipe, c->blend_clear);
 839       if (i == 0)
 840          c->pipe->bind_fs_state(c->pipe, c->fs_weave[0]);
 841       else
 842          c->pipe->bind_fs_state(c->pipe, c->fs_weave[1 + !!sv[4]]);
 843       c->pipe->bind_fragment_sampler_states(c->pipe, num_sampler_views, samplers);
 844       c->pipe->set_fragment_sampler_views(c->pipe, num_sampler_views, &sv[2*i]);
 845       util_draw_arrays(c->pipe, PIPE_PRIM_TRIANGLES, 0, 3);
 846    }
 847 }
 848
 849 void
 850 vl_compositor_set_buffer_layer(struct vl_compositor *c, unsigned layer,
 851                                enum pipe_video_picture_structure field,
 852                                struct pipe_video_buffer *buffer,
 853                                struct pipe_video_rect *src_rect,
 854                                struct pipe_video_rect *dst_rect,
 855                                unsigned past_count,
 856                                struct pipe_video_buffer **past,
 857                                unsigned future_count,
 858                                struct pipe_video_buffer **future)
 859 {
 860    struct pipe_sampler_view **sampler_views, *sv[2][3];
 861    struct pipe_video_rect rect;
 862    unsigned i;
 863
 864    assert(c && buffer);
 865    assert(c->video_w <= buffer->width && c->video_h <= buffer->height);
 866    assert(layer < VL_COMPOSITOR_MAX_LAYERS);
 867
 868    if (field == PIPE_VIDEO_PICTURE_STRUCTURE_FRAME) {
 869       sampler_views = buffer->get_sampler_view_planes(buffer, 0);
 870       if (!sampler_views) {
 871          sampler_views = c->video_sv;
 872          vl_compositor_render_video(c, buffer);
 873          assert(!sampler_views[2]);
 874       }
 875    } else {
 876       int top = field == PIPE_VIDEO_PICTURE_STRUCTURE_FIELD_TOP;
 877       sampler_views = buffer->get_sampler_view_planes(buffer, 1);
 878       assert(sampler_views);
 879       // NO GAMES!
 880       assert(0);
 881    }
 882
 883    c->used_layers |= 1 << layer;
 884    if (!src_rect) {
 885       src_rect = &rect;
 886       rect.x = rect.y = 0;
 887       rect.w = c->video_w;
 888       rect.h = c->video_h;
 889    }
 890    for (i = 0; i < 3; ++i) {
 891       c->layers[layer].samplers[i] = c->sampler_linear;
 892       pipe_sampler_view_reference(&c->layers[layer].sampler_views[i], sampler_views[i]);
 893    }
 894    if (sampler_views[2])
 895       c->layers[layer].fs = c->fs_video_buffer3;
 896    else
 897       c->layers[layer].fs = c->fs_video_buffer2;
 898    assert(sampler_views[1]);
 899
 900    calc_src_and_dst(&c->layers[layer],
 901                     sampler_views[0]->texture->width0,
 902                     sampler_views[0]->texture->height0,
 903                     *src_rect, dst_rect);
 904 }
 905
 906 void
 907 vl_compositor_set_palette_layer(struct vl_compositor *c,
 908                                 unsigned layer,
 909                                 struct pipe_sampler_view *indexes,
 910                                 struct pipe_sampler_view *palette,
 911                                 struct pipe_video_rect *src_rect,
 912                                 struct pipe_video_rect *dst_rect,
 913                                 bool include_color_conversion)
 914 {
 915    assert(c && indexes && palette);
 916
 917    assert(layer < VL_COMPOSITOR_MAX_LAYERS);
 918
 919    c->used_layers |= 1 << layer;
 920
 921    c->layers[layer].fs = include_color_conversion ?
 922       c->fs_palette.yuv : c->fs_palette.rgb;
 923
 924    c->layers[layer].samplers[0] = c->sampler_linear;
 925    c->layers[layer].samplers[1] = c->sampler_nearest;
 926    c->layers[layer].samplers[2] = NULL;
 927    pipe_sampler_view_reference(&c->layers[layer].sampler_views[0], indexes);
 928    pipe_sampler_view_reference(&c->layers[layer].sampler_views[1], palette);
 929    pipe_sampler_view_reference(&c->layers[layer].sampler_views[2], NULL);
 930    calc_src_and_dst(&c->layers[layer], indexes->texture->width0, indexes->texture->height0,
 931                     src_rect ? *src_rect : default_rect(&c->layers[layer]),
 932                     dst_rect);
 933 }
 934
 935 void
 936 vl_compositor_set_rgba_layer(struct vl_compositor *c,
 937                              unsigned layer,
 938                              struct pipe_sampler_view *rgba,
 939                              struct pipe_video_rect *src_rect,
 940                              struct pipe_video_rect *dst_rect)
 941 {
 942    assert(c && rgba);
 943
 944    assert(layer < VL_COMPOSITOR_MAX_LAYERS);
 945
 946    c->used_layers |= 1 << layer;
 947    c->layers[layer].fs = c->fs_rgba;
 948    c->layers[layer].samplers[0] = c->sampler_linear;
 949    c->layers[layer].samplers[1] = NULL;
 950    c->layers[layer].samplers[2] = NULL;
 951    pipe_sampler_view_reference(&c->layers[layer].sampler_views[0], rgba);
 952    pipe_sampler_view_reference(&c->layers[layer].sampler_views[1], NULL);
 953    pipe_sampler_view_reference(&c->layers[layer].sampler_views[2], NULL);
 954    calc_src_and_dst(&c->layers[layer], rgba->texture->width0, rgba->texture->height0,
 955                     src_rect ? *src_rect : default_rect(&c->layers[layer]),
 956                     dst_rect);
 957 }
 958
 959 void
 960 vl_compositor_render(struct vl_compositor   *c,
 961                      struct pipe_surface    *dst_surface,
 962                      struct pipe_video_rect *dst_area,
 963                      struct pipe_video_rect *dst_clip,
 964                      bool clear_dirty_area)
 965 {
 966    struct pipe_scissor_state scissor;
 967
 968    assert(c);
 969    assert(dst_surface);
 970
 971    c->fb_state.width = dst_surface->width;
 972    c->fb_state.height = dst_surface->height;
 973    c->fb_state.cbufs[0] = dst_surface;
 974
 975    if (dst_area) {
 976       c->viewport.scale[0] = dst_area->w;
 977       c->viewport.scale[1] = dst_area->h;
 978       c->viewport.translate[0] = dst_area->x;
 979       c->viewport.translate[1] = dst_area->y;
 980    } else {
 981       c->viewport.scale[0] = dst_surface->width;
 982       c->viewport.scale[1] = dst_surface->height;
 983       c->viewport.translate[0] = 0;
 984       c->viewport.translate[1] = 0;
 985    }
 986
 987    if (dst_clip) {
 988       scissor.minx = dst_clip->x;
 989       scissor.miny = dst_clip->y;
 990       scissor.maxx = dst_clip->x + dst_clip->w;
 991       scissor.maxy = dst_clip->y + dst_clip->h;
 992    } else {
 993       scissor.minx = 0;
 994       scissor.miny = 0;
 995       scissor.maxx = dst_surface->width;
 996       scissor.maxy = dst_surface->height;
 997    }
 998
 999    gen_vertex_data(c, dst_surface->width, dst_surface->height);
1000
1001    if (clear_dirty_area && (c->dirty_tl.x < c->dirty_br.x ||
1002                             c->dirty_tl.y < c->dirty_br.y)) {
1003       util_clear_render_target(c->pipe, dst_surface, &c->clear_color,
1004                                0, 0, dst_surface->width, dst_surface->height);
1005       c->dirty_tl.x = c->dirty_tl.y = 1.0f;
1006       c->dirty_br.x = c->dirty_br.y = 0.0f;
1007    }
1008
1009    c->pipe->set_scissor_state(c->pipe, &scissor);
1010    c->pipe->set_framebuffer_state(c->pipe, &c->fb_state);
1011    c->pipe->set_viewport_state(c->pipe, &c->viewport);
1012    c->pipe->bind_vs_state(c->pipe, c->vs);
1013    c->pipe->set_vertex_buffers(c->pipe, 1, &c->vertex_buf);
1014    c->pipe->bind_vertex_elements_state(c->pipe, c->vertex_elems_state);
1015    c->pipe->set_constant_buffer(c->pipe, PIPE_SHADER_FRAGMENT, 0, c->csc_matrix);
1016    c->pipe->bind_rasterizer_state(c->pipe, c->rast);
1017
1018    draw_layers(c, dst_surface->width, dst_surface->height);
1019 }
1020
1021 bool
1022 vl_compositor_init(struct vl_compositor *c, struct pipe_context *pipe)
1023 {
1024    csc_matrix csc_matrix;
1025
1026    c->pipe = pipe;
1027
1028    if (!init_pipe_state(c))
1029       return false;
1030
1031    if (!init_shaders(c)) {
1032       cleanup_pipe_state(c);
1033       return false;
1034    }
1035
1036    if (!init_buffers(c)) {
1037       cleanup_shaders(c);
1038       cleanup_pipe_state(c);
1039       return false;
1040    }
1041
1042    vl_compositor_clear_layers(c);
1043
1044    vl_csc_get_matrix(VL_CSC_COLOR_STANDARD_IDENTITY, NULL, true, csc_matrix);
1045    vl_compositor_set_csc_matrix(c, csc_matrix);
1046
1047    c->clear_color.f[0] = c->clear_color.f[1] = 0.0f;
1048    c->clear_color.f[2] = c->clear_color.f[3] = 0.0f;
1049    vl_compositor_reset_dirty_area(c);
1050
1051    return true;
1052 }
1053
1054 bool
1055 vl_compositor_init_video(struct vl_compositor *c, struct pipe_context *pipe,
1056                          enum pipe_video_chroma_format chroma, unsigned w, unsigned h)
1057 {
1058    struct pipe_resource templ;
1059    struct pipe_sampler_view sv_templ;
1060    struct pipe_surface surf_templ;
1061    if (!vl_compositor_init(c, pipe))
1062       return false;
1063    c->video_w = w;
1064    c->video_h = h;
1065
1066    c->fs_video_buffer2 = create_frag_shader_video_buffer(c, 2);
1067    if (!c->fs_video_buffer2) {
1068       debug_printf("Unable to create YCbCr-to-RGB fragment shader for 2 planes.\n");
1069       goto fail;
1070    }
1071    c->fs_video_buffer3 = create_frag_shader_video_buffer(c, 3);
1072    if (!c->fs_video_buffer3) {
1073       debug_printf("Unable to create YCbCr-to-RGB fragment shader for 3 planes.\n");
1074       goto fail;
1075    }
1076    c->fs_weave[0] = create_frag_shader_deint_planar_weave(c, 1, 1);
1077    c->fs_weave[1] = create_frag_shader_deint_planar_weave(c, 0, 2); // CbCr woven
1078    c->fs_weave[2] = create_frag_shader_deint_planar_weave(c, 0, 1); // Cb, Cr separate
1079    if (!c->fs_weave[0] || !c->fs_weave[1] || !c->fs_weave[2]) {
1080       debug_printf("Unable to create weave fragment shaders.\n");
1081       goto fail;
1082    }
1083    memset(&templ, 0, sizeof(templ));
1084    templ.target = PIPE_TEXTURE_2D;
1085    templ.format = PIPE_FORMAT_R8_UNORM;
1086    templ.width0 = w;
1087    templ.height0 = h;
1088    templ.depth0 = 1;
1089    templ.array_size = 1;
1090    templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
1091    templ.usage = PIPE_USAGE_STATIC;
1092    c->video_y = pipe->screen->resource_create(pipe->screen, &templ);
1093    if (!c->video_y) {
1094       debug_printf("Could not create deinterlaced temp frame for luma\n");
1095       goto fail;
1096    }
1097    if (chroma != PIPE_VIDEO_CHROMA_FORMAT_444)
1098       templ.height0 /= 2;
1099    if (chroma == PIPE_VIDEO_CHROMA_FORMAT_420)
1100       templ.width0 /= 2;
1101    templ.format = PIPE_FORMAT_R8G8_UNORM;
1102    c->video_cbcr = pipe->screen->resource_create(pipe->screen, &templ);
1103    if (!c->video_cbcr) {
1104       debug_printf("Could not create deinterlaced temp frame for chroma\n");
1105       goto fail;
1106    }
1107    memset(&sv_templ, 0, sizeof(sv_templ));
1108    u_sampler_view_default_template(&sv_templ, c->video_y, c->video_y->format);
1109    sv_templ.swizzle_a = sv_templ.swizzle_b = sv_templ.swizzle_g = sv_templ.swizzle_r;
1110    c->video_sv[0] = pipe->create_sampler_view(pipe, c->video_y, &sv_templ);
1111
1112    memset(&sv_templ, 0, sizeof(sv_templ));
1113    u_sampler_view_default_template(&sv_templ, c->video_cbcr, c->video_cbcr->format);
1114    sv_templ.swizzle_b = PIPE_SWIZZLE_GREEN;
1115    sv_templ.swizzle_g = PIPE_SWIZZLE_RED;
1116    c->video_sv[1] = pipe->create_sampler_view(pipe, c->video_cbcr, &sv_templ);
1117    if (!c->video_sv[0] || !c->video_sv[1]) {
1118       debug_printf("Could not create temp video sampler views\n");
1119       goto fail;
1120    }
1121    memset(&surf_templ, 0, sizeof(surf_templ));
1122    surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
1123    surf_templ.format = c->video_y->format;
1124    c->video_surf[0] = pipe->create_surface(pipe, c->video_y, &surf_templ);
1125    surf_templ.format = c->video_cbcr->format;
1126    c->video_surf[1] = pipe->create_surface(pipe, c->video_cbcr, &surf_templ);
1127    if (!c->video_surf[0] || !c->video_surf[1]) {
1128       debug_printf("Could not create temp video surface\n");
1129       goto fail;
1130    }
1131
1132    return true;
1133
1134 fail:
1135    vl_compositor_cleanup(c);
1136    return false;
1137 }