src/gallium/state_trackers/xa/xa_renderer.c

   1 /**********************************************************
   2  * Copyright 2009-2011 VMware, Inc. All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  *********************************************************
  25  * Authors:
  26  * Zack Rusin <zackr-at-vmware-dot-com>
  27  */
  28
  29 #include "xa_context.h"
  30 #include "xa_priv.h"
  31 #include <math.h>
  32 #include "cso_cache/cso_context.h"
  33 #include "util/u_inlines.h"
  34 #include "util/u_sampler.h"
  35 #include "util/u_draw_quad.h"
  36
  37 #define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y)))
  38 #define floatIsZero(x) (floatsEqual((x) + 1, 1))
  39
  40 #define NUM_COMPONENTS 4
  41
  42 void
  43
  44
  45 renderer_set_constants(struct xa_context *r,
  46                        int shader_type, const float *params, int param_bytes);
  47
  48 static INLINE boolean
  49 is_affine(float *matrix)
  50 {
  51     return floatIsZero(matrix[2]) && floatIsZero(matrix[5])
  52         && floatsEqual(matrix[8], 1);
  53 }
  54
  55 static INLINE void
  56 map_point(float *mat, float x, float y, float *out_x, float *out_y)
  57 {
  58     if (!mat) {
  59         *out_x = x;
  60         *out_y = y;
  61         return;
  62     }
  63
  64     *out_x = mat[0] * x + mat[3] * y + mat[6];
  65     *out_y = mat[1] * x + mat[4] * y + mat[7];
  66     if (!is_affine(mat)) {
  67         float w = 1 / (mat[2] * x + mat[5] * y + mat[8]);
  68
  69         *out_x *= w;
  70         *out_y *= w;
  71     }
  72 }
  73
  74 static INLINE struct pipe_resource *
  75 renderer_buffer_create(struct xa_context *r)
  76 {
  77     struct pipe_resource *buf = pipe_user_buffer_create(r->pipe->screen,
  78                                                         r->buffer,
  79                                                         sizeof(float) *
  80                                                         r->buffer_size,
  81                                                         PIPE_BIND_VERTEX_BUFFER);
  82
  83     r->buffer_size = 0;
  84
  85     return buf;
  86 }
  87
  88 static INLINE void
  89 renderer_draw(struct xa_context *r)
  90 {
  91     struct pipe_context *pipe = r->pipe;
  92     struct pipe_resource *buf = 0;
  93     int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS);
  94
  95     if (!r->buffer_size)
  96         return;
  97
  98     buf = renderer_buffer_create(r);
  99
 100     if (buf) {
 101         cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems);
 102
 103         util_draw_vertex_buffer(pipe, r->cso, buf, 0, PIPE_PRIM_QUADS, num_verts,       /* verts */
 104                                 r->attrs_per_vertex);   /* attribs/vert */
 105
 106         pipe_resource_reference(&buf, NULL);
 107     }
 108 }
 109
 110 static INLINE void
 111 renderer_draw_conditional(struct xa_context *r, int next_batch)
 112 {
 113     if (r->buffer_size + next_batch >= XA_VB_SIZE ||
 114         (next_batch == 0 && r->buffer_size)) {
 115         renderer_draw(r);
 116     }
 117 }
 118
 119 void
 120 renderer_init_state(struct xa_context *r)
 121 {
 122     struct pipe_depth_stencil_alpha_state dsa;
 123     struct pipe_rasterizer_state raster;
 124     unsigned i;
 125
 126     /* set common initial clip state */
 127     memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
 128     cso_set_depth_stencil_alpha(r->cso, &dsa);
 129
 130     /* XXX: move to renderer_init_state? */
 131     memset(&raster, 0, sizeof(struct pipe_rasterizer_state));
 132     raster.gl_rasterization_rules = 1;
 133     cso_set_rasterizer(r->cso, &raster);
 134
 135     /* vertex elements state */
 136     memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3);
 137     for (i = 0; i < 3; i++) {
 138         r->velems[i].src_offset = i * 4 * sizeof(float);
 139         r->velems[i].instance_divisor = 0;
 140         r->velems[i].vertex_buffer_index = 0;
 141         r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
 142     }
 143 }
 144
 145 static INLINE void
 146 add_vertex_color(struct xa_context *r, float x, float y, float color[4])
 147 {
 148     float *vertex = r->buffer + r->buffer_size;
 149
 150     vertex[0] = x;
 151     vertex[1] = y;
 152     vertex[2] = 0.f;            /*z */
 153     vertex[3] = 1.f;            /*w */
 154
 155     vertex[4] = color[0];       /*r */
 156     vertex[5] = color[1];       /*g */
 157     vertex[6] = color[2];       /*b */
 158     vertex[7] = color[3];       /*a */
 159
 160     r->buffer_size += 8;
 161 }
 162
 163 static INLINE void
 164 add_vertex_1tex(struct xa_context *r, float x, float y, float s, float t)
 165 {
 166     float *vertex = r->buffer + r->buffer_size;
 167
 168     vertex[0] = x;
 169     vertex[1] = y;
 170     vertex[2] = 0.f;            /*z */
 171     vertex[3] = 1.f;            /*w */
 172
 173     vertex[4] = s;              /*s */
 174     vertex[5] = t;              /*t */
 175     vertex[6] = 0.f;            /*r */
 176     vertex[7] = 1.f;            /*q */
 177
 178     r->buffer_size += 8;
 179 }
 180
 181 static INLINE void
 182 add_vertex_2tex(struct xa_context *r,
 183                 float x, float y, float s0, float t0, float s1, float t1)
 184 {
 185     float *vertex = r->buffer + r->buffer_size;
 186
 187     vertex[0] = x;
 188     vertex[1] = y;
 189     vertex[2] = 0.f;            /*z */
 190     vertex[3] = 1.f;            /*w */
 191
 192     vertex[4] = s0;             /*s */
 193     vertex[5] = t0;             /*t */
 194     vertex[6] = 0.f;            /*r */
 195     vertex[7] = 1.f;            /*q */
 196
 197     vertex[8] = s1;             /*s */
 198     vertex[9] = t1;             /*t */
 199     vertex[10] = 0.f;           /*r */
 200     vertex[11] = 1.f;           /*q */
 201
 202     r->buffer_size += 12;
 203 }
 204
 205 static void
 206 add_vertex_data1(struct xa_context *r,
 207                  float srcX, float srcY,  float dstX, float dstY,
 208                  float width, float height,
 209                  struct pipe_resource *src, const float *src_matrix)
 210 {
 211     float s0, t0, s1, t1, s2, t2, s3, t3;
 212     float pt0[2], pt1[2], pt2[2], pt3[2];
 213
 214     pt0[0] = srcX;
 215     pt0[1] = srcY;
 216     pt1[0] = (srcX + width);
 217     pt1[1] = srcY;
 218     pt2[0] = (srcX + width);
 219     pt2[1] = (srcY + height);
 220     pt3[0] = srcX;
 221     pt3[1] = (srcY + height);
 222
 223     if (src_matrix) {
 224         map_point((float *)src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]);
 225         map_point((float *)src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]);
 226         map_point((float *)src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]);
 227         map_point((float *)src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]);
 228     }
 229
 230     s0 =  pt0[0] / src->width0;
 231     s1 =  pt1[0] / src->width0;
 232     s2 =  pt2[0] / src->width0;
 233     s3 =  pt3[0] / src->width0;
 234     t0 =  pt0[1] / src->height0;
 235     t1 =  pt1[1] / src->height0;
 236     t2 =  pt2[1] / src->height0;
 237     t3 =  pt3[1] / src->height0;
 238
 239     /* 1st vertex */
 240     add_vertex_1tex(r, dstX, dstY, s0, t0);
 241     /* 2nd vertex */
 242     add_vertex_1tex(r, dstX + width, dstY, s1, t1);
 243     /* 3rd vertex */
 244     add_vertex_1tex(r, dstX + width, dstY + height, s2, t2);
 245     /* 4th vertex */
 246     add_vertex_1tex(r, dstX, dstY + height, s3, t3);
 247 }
 248
 249 static void
 250 add_vertex_data2(struct xa_context *r,
 251                  float srcX, float srcY, float maskX, float maskY,
 252                  float dstX, float dstY, float width, float height,
 253                  struct pipe_resource *src,
 254                  struct pipe_resource *mask,
 255                  const float *src_matrix, const float *mask_matrix)
 256 {
 257     float src_s0, src_t0, src_s1, src_t1;
 258     float mask_s0, mask_t0, mask_s1, mask_t1;
 259     float spt0[2], spt1[2];
 260     float mpt0[2], mpt1[2];
 261
 262     spt0[0] = srcX;
 263     spt0[1] = srcY;
 264     spt1[0] = srcX + width;
 265     spt1[1] = srcY + height;
 266
 267     mpt0[0] = maskX;
 268     mpt0[1] = maskY;
 269     mpt1[0] = maskX + width;
 270     mpt1[1] = maskY + height;
 271
 272     if (src_matrix) {
 273         map_point((float *)src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]);
 274         map_point((float *)src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]);
 275     }
 276
 277     if (mask_matrix) {
 278         map_point((float *)mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]);
 279         map_point((float *)mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]);
 280     }
 281
 282     src_s0 = spt0[0] / src->width0;
 283     src_t0 = spt0[1] / src->height0;
 284     src_s1 = spt1[0] / src->width0;
 285     src_t1 = spt1[1] / src->height0;
 286
 287     mask_s0 = mpt0[0] / mask->width0;
 288     mask_t0 = mpt0[1] / mask->height0;
 289     mask_s1 = mpt1[0] / mask->width0;
 290     mask_t1 = mpt1[1] / mask->height0;
 291
 292     /* 1st vertex */
 293     add_vertex_2tex(r, dstX, dstY,
 294                     src_s0, src_t0, mask_s0, mask_t0);
 295     /* 2nd vertex */
 296     add_vertex_2tex(r, dstX + width, dstY,
 297                     src_s1, src_t0, mask_s1, mask_t0);
 298     /* 3rd vertex */
 299     add_vertex_2tex(r, dstX + width, dstY + height,
 300                     src_s1, src_t1, mask_s1, mask_t1);
 301     /* 4th vertex */
 302     add_vertex_2tex(r, dstX, dstY + height,
 303                     src_s0, src_t1, mask_s0, mask_t1);
 304 }
 305
 306 static struct pipe_resource *
 307 setup_vertex_data_yuv(struct xa_context *r,
 308                       float srcX,
 309                       float srcY,
 310                       float srcW,
 311                       float srcH,
 312                       float dstX,
 313                       float dstY,
 314                       float dstW, float dstH, struct xa_surface *srf[])
 315 {
 316     float s0, t0, s1, t1;
 317     float spt0[2], spt1[2];
 318     struct pipe_resource *tex;
 319
 320     spt0[0] = srcX;
 321     spt0[1] = srcY;
 322     spt1[0] = srcX + srcW;
 323     spt1[1] = srcY + srcH;
 324
 325     tex = srf[0]->tex;
 326     s0 = spt0[0] / tex->width0;
 327     t0 = spt0[1] / tex->height0;
 328     s1 = spt1[0] / tex->width0;
 329     t1 = spt1[1] / tex->height0;
 330
 331     /* 1st vertex */
 332     add_vertex_1tex(r, dstX, dstY, s0, t0);
 333     /* 2nd vertex */
 334     add_vertex_1tex(r, dstX + dstW, dstY, s1, t0);
 335     /* 3rd vertex */
 336     add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1);
 337     /* 4th vertex */
 338     add_vertex_1tex(r, dstX, dstY + dstH, s0, t1);
 339
 340     return renderer_buffer_create(r);
 341 }
 342
 343 /* Set up framebuffer, viewport and vertex shader constant buffer
 344  * state for a particular destinaton surface.  In all our rendering,
 345  * these concepts are linked.
 346  */
 347 void
 348 renderer_bind_destination(struct xa_context *r,
 349                           struct pipe_surface *surface, int width, int height)
 350 {
 351
 352     struct pipe_framebuffer_state fb;
 353     struct pipe_viewport_state viewport;
 354
 355     /* Framebuffer uses actual surface width/height
 356      */
 357     memset(&fb, 0, sizeof fb);
 358     fb.width = surface->width;
 359     fb.height = surface->height;
 360     fb.nr_cbufs = 1;
 361     fb.cbufs[0] = surface;
 362     fb.zsbuf = 0;
 363
 364     /* Viewport just touches the bit we're interested in:
 365      */
 366     viewport.scale[0] = width / 2.f;
 367     viewport.scale[1] = height / 2.f;
 368     viewport.scale[2] = 1.0;
 369     viewport.scale[3] = 1.0;
 370     viewport.translate[0] = width / 2.f;
 371     viewport.translate[1] = height / 2.f;
 372     viewport.translate[2] = 0.0;
 373     viewport.translate[3] = 0.0;
 374
 375     /* Constant buffer set up to match viewport dimensions:
 376      */
 377     if (r->fb_width != width || r->fb_height != height) {
 378         float vs_consts[8] = {
 379             2.f / width, 2.f / height, 1, 1,
 380             -1, -1, 0, 0
 381         };
 382
 383         r->fb_width = width;
 384         r->fb_height = height;
 385
 386         renderer_set_constants(r, PIPE_SHADER_VERTEX,
 387                                vs_consts, sizeof vs_consts);
 388     }
 389
 390     cso_set_framebuffer(r->cso, &fb);
 391     cso_set_viewport(r->cso, &viewport);
 392 }
 393
 394 void
 395 renderer_set_constants(struct xa_context *r,
 396                        int shader_type, const float *params, int param_bytes)
 397 {
 398     struct pipe_resource **cbuf =
 399         (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
 400         &r->fs_const_buffer;
 401
 402     pipe_resource_reference(cbuf, NULL);
 403     *cbuf = pipe_buffer_create(r->pipe->screen,
 404                                PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC,
 405                                param_bytes);
 406
 407     if (*cbuf) {
 408         pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params);
 409     }
 410     r->pipe->set_constant_buffer(r->pipe, shader_type, 0, *cbuf);
 411 }
 412
 413 void
 414 renderer_copy_prepare(struct xa_context *r,
 415                       struct pipe_surface *dst_surface,
 416                       struct pipe_resource *src_texture)
 417 {
 418     struct pipe_context *pipe = r->pipe;
 419     struct pipe_screen *screen = pipe->screen;
 420     struct xa_shader shader;
 421
 422     assert(screen->is_format_supported(screen, dst_surface->format,
 423                                        PIPE_TEXTURE_2D, 0,
 424                                        PIPE_BIND_RENDER_TARGET));
 425     (void)screen;
 426
 427     /* set misc state we care about */
 428     {
 429         struct pipe_blend_state blend;
 430
 431         memset(&blend, 0, sizeof(blend));
 432         blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
 433         blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
 434         blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
 435         blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
 436         blend.rt[0].colormask = PIPE_MASK_RGBA;
 437         cso_set_blend(r->cso, &blend);
 438     }
 439
 440     /* sampler */
 441     {
 442         struct pipe_sampler_state sampler;
 443
 444         memset(&sampler, 0, sizeof(sampler));
 445         sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 446         sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 447         sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 448         sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
 449         sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
 450         sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
 451         sampler.normalized_coords = 1;
 452         cso_single_sampler(r->cso, 0, &sampler);
 453         cso_single_sampler_done(r->cso);
 454     }
 455
 456     renderer_bind_destination(r, dst_surface,
 457                               dst_surface->width, dst_surface->height);
 458
 459     /* texture/sampler view */
 460     {
 461         struct pipe_sampler_view templ;
 462         struct pipe_sampler_view *src_view;
 463
 464         u_sampler_view_default_template(&templ,
 465                                         src_texture, src_texture->format);
 466         src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
 467         cso_set_fragment_sampler_views(r->cso, 1, &src_view);
 468         pipe_sampler_view_reference(&src_view, NULL);
 469     }
 470
 471     /* shaders */
 472     shader = xa_shaders_get(r->shaders, VS_COMPOSITE, FS_COMPOSITE);
 473     cso_set_vertex_shader_handle(r->cso, shader.vs);
 474     cso_set_fragment_shader_handle(r->cso, shader.fs);
 475
 476     r->buffer_size = 0;
 477     r->attrs_per_vertex = 2;
 478 }
 479
 480 void
 481 renderer_copy(struct xa_context *r,
 482               int dx,
 483               int dy,
 484               int sx,
 485               int sy,
 486               int width, int height, float src_width, float src_height)
 487 {
 488     float s0, t0, s1, t1;
 489     float x0, y0, x1, y1;
 490
 491     /* XXX: could put the texcoord scaling calculation into the vertex
 492      * shader.
 493      */
 494     s0 = sx / src_width;
 495     s1 = (sx + width) / src_width;
 496     t0 = sy / src_height;
 497     t1 = (sy + height) / src_height;
 498
 499     x0 = dx;
 500     x1 = dx + width;
 501     y0 = dy;
 502     y1 = dy + height;
 503
 504     /* draw quad */
 505     renderer_draw_conditional(r, 4 * 8);
 506     add_vertex_1tex(r, x0, y0, s0, t0);
 507     add_vertex_1tex(r, x1, y0, s1, t0);
 508     add_vertex_1tex(r, x1, y1, s1, t1);
 509     add_vertex_1tex(r, x0, y1, s0, t1);
 510 }
 511
 512 void
 513 renderer_draw_yuv(struct xa_context *r,
 514                   float src_x,
 515                   float src_y,
 516                   float src_w,
 517                   float src_h,
 518                   int dst_x,
 519                   int dst_y, int dst_w, int dst_h, struct xa_surface *srf[])
 520 {
 521     struct pipe_context *pipe = r->pipe;
 522     struct pipe_resource *buf = 0;
 523
 524     buf = setup_vertex_data_yuv(r,
 525                                 src_x, src_y, src_w, src_h, dst_x, dst_y, dst_w,
 526                                 dst_h, srf);
 527
 528     if (buf) {
 529         const int num_attribs = 2;      /*pos + tex coord */
 530
 531         cso_set_vertex_elements(r->cso, num_attribs, r->velems);
 532
 533         util_draw_vertex_buffer(pipe, r->cso, buf, 0, PIPE_PRIM_QUADS, 4,       /* verts */
 534                                 num_attribs);   /* attribs/vert */
 535
 536         pipe_resource_reference(&buf, NULL);
 537     }
 538 }
 539
 540 void
 541 renderer_begin_solid(struct xa_context *r)
 542 {
 543     r->buffer_size = 0;
 544     r->attrs_per_vertex = 2;
 545 }
 546
 547 void
 548 renderer_solid(struct xa_context *r,
 549                int x0, int y0, int x1, int y1, float *color)
 550 {
 551     /*
 552      * debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
 553      * x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */
 554
 555     renderer_draw_conditional(r, 4 * 8);
 556
 557     /* 1st vertex */
 558     add_vertex_color(r, x0, y0, color);
 559     /* 2nd vertex */
 560     add_vertex_color(r, x1, y0, color);
 561     /* 3rd vertex */
 562     add_vertex_color(r, x1, y1, color);
 563     /* 4th vertex */
 564     add_vertex_color(r, x0, y1, color);
 565 }
 566
 567 void
 568 renderer_draw_flush(struct xa_context *r)
 569 {
 570     renderer_draw_conditional(r, 0);
 571 }
 572
 573 void
 574 renderer_begin_textures(struct xa_context *r)
 575 {
 576     r->attrs_per_vertex = 1 + r->num_bound_samplers;
 577     r->buffer_size = 0;
 578 }
 579
 580 void
 581 renderer_texture(struct xa_context *r,
 582                  int *pos,
 583                  int width, int height,
 584                  const float *src_matrix,
 585                  const float *mask_matrix)
 586 {
 587     struct pipe_sampler_view **sampler_view = r->bound_sampler_views;
 588
 589 #if 0
 590     if (src_matrix) {
 591         debug_printf("src_matrix = \n");
 592         debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]);
 593         debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]);
 594         debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]);
 595     }
 596     if (mask_matrix) {
 597         debug_printf("mask_matrix = \n");
 598         debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]);
 599         debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]);
 600         debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]);
 601     }
 602 #endif
 603
 604     switch(r->attrs_per_vertex) {
 605     case 2:
 606         renderer_draw_conditional(r, 4 * 8);
 607         add_vertex_data1(r,
 608                          pos[0], pos[1], /* src */
 609                          pos[4], pos[5], /* dst */
 610                          width, height,
 611                          sampler_view[0]->texture, src_matrix);
 612         break;
 613     case 3:
 614         renderer_draw_conditional(r, 4 * 12);
 615         add_vertex_data2(r,
 616                          pos[0], pos[1], /* src */
 617                          pos[2], pos[3], /* mask */
 618                          pos[4], pos[5], /* dst */
 619                          width, height,
 620                          sampler_view[0]->texture, sampler_view[1]->texture,
 621                          src_matrix, mask_matrix);
 622         break;
 623     default:
 624         break;
 625     }
 626 }