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) (fabsf(x - y) <= 0.00001f * MIN2(fabsf(x), fabsf(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(const 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(const 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 void
  75 renderer_draw(struct xa_context *r)
  76 {
  77     int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS);
  78
  79     if (!r->buffer_size)
  80         return;
  81
  82     if (!r->scissor_valid) {
  83         r->scissor.minx = 0;
  84         r->scissor.miny = 0;
  85         r->scissor.maxx = r->dst->tex->width0;
  86         r->scissor.maxy = r->dst->tex->height0;
  87     }
  88
  89     r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
  90
  91     struct cso_velems_state velems;
  92     velems.count = r->attrs_per_vertex;
  93     memcpy(velems.velems, r->velems, sizeof(r->velems[0]) * velems.count);
  94
  95     cso_set_vertex_elements(r->cso, &velems);
  96     util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
  97                                  num_verts,     /* verts */
  98                                  r->attrs_per_vertex);  /* attribs/vert */
  99     r->buffer_size = 0;
 100
 101     xa_scissor_reset(r);
 102 }
 103
 104 static inline void
 105 renderer_draw_conditional(struct xa_context *r, int next_batch)
 106 {
 107     if (r->buffer_size + next_batch >= XA_VB_SIZE ||
 108         (next_batch == 0 && r->buffer_size)) {
 109         renderer_draw(r);
 110     }
 111 }
 112
 113 void
 114 renderer_init_state(struct xa_context *r)
 115 {
 116     struct pipe_depth_stencil_alpha_state dsa;
 117     struct pipe_rasterizer_state raster;
 118     unsigned i;
 119
 120     /* set common initial clip state */
 121     memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
 122     cso_set_depth_stencil_alpha(r->cso, &dsa);
 123
 124     /* XXX: move to renderer_init_state? */
 125     memset(&raster, 0, sizeof(struct pipe_rasterizer_state));
 126     raster.half_pixel_center = 1;
 127     raster.bottom_edge_rule = 1;
 128     raster.depth_clip_near = 1;
 129     raster.depth_clip_far = 1;
 130     raster.scissor = 1;
 131     cso_set_rasterizer(r->cso, &raster);
 132
 133     /* vertex elements state */
 134     memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3);
 135     for (i = 0; i < 3; i++) {
 136         r->velems[i].src_offset = i * 4 * sizeof(float);
 137         r->velems[i].instance_divisor = 0;
 138         r->velems[i].vertex_buffer_index = 0;
 139         r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
 140     }
 141 }
 142
 143 static inline void
 144 add_vertex_none(struct xa_context *r, float x, float y)
 145 {
 146     float *vertex = r->buffer + r->buffer_size;
 147
 148     vertex[0] = x;
 149     vertex[1] = y;
 150     vertex[2] = 0.f;            /*z */
 151     vertex[3] = 1.f;            /*w */
 152
 153     r->buffer_size += 4;
 154 }
 155
 156 static inline void
 157 add_vertex_1tex(struct xa_context *r, float x, float y, float s, float t)
 158 {
 159     float *vertex = r->buffer + r->buffer_size;
 160
 161     vertex[0] = x;
 162     vertex[1] = y;
 163     vertex[2] = 0.f;            /*z */
 164     vertex[3] = 1.f;            /*w */
 165
 166     vertex[4] = s;              /*s */
 167     vertex[5] = t;              /*t */
 168     vertex[6] = 0.f;            /*r */
 169     vertex[7] = 1.f;            /*q */
 170
 171     r->buffer_size += 8;
 172 }
 173
 174 static inline void
 175 add_vertex_2tex(struct xa_context *r,
 176                 float x, float y, float s0, float t0, float s1, float t1)
 177 {
 178     float *vertex = r->buffer + r->buffer_size;
 179
 180     vertex[0] = x;
 181     vertex[1] = y;
 182     vertex[2] = 0.f;            /*z */
 183     vertex[3] = 1.f;            /*w */
 184
 185     vertex[4] = s0;             /*s */
 186     vertex[5] = t0;             /*t */
 187     vertex[6] = 0.f;            /*r */
 188     vertex[7] = 1.f;            /*q */
 189
 190     vertex[8] = s1;             /*s */
 191     vertex[9] = t1;             /*t */
 192     vertex[10] = 0.f;           /*r */
 193     vertex[11] = 1.f;           /*q */
 194
 195     r->buffer_size += 12;
 196 }
 197
 198 static void
 199 compute_src_coords(float sx, float sy, const struct pipe_resource *src,
 200                    const float *src_matrix,
 201                    float width, float height,
 202                    float tc0[2], float tc1[2], float tc2[2], float tc3[2])
 203 {
 204     tc0[0] = sx;
 205     tc0[1] = sy;
 206     tc1[0] = sx + width;
 207     tc1[1] = sy;
 208     tc2[0] = sx + width;
 209     tc2[1] = sy + height;
 210     tc3[0] = sx;
 211     tc3[1] = sy + height;
 212
 213     if (src_matrix) {
 214         map_point(src_matrix, tc0[0], tc0[1], &tc0[0], &tc0[1]);
 215         map_point(src_matrix, tc1[0], tc1[1], &tc1[0], &tc1[1]);
 216         map_point(src_matrix, tc2[0], tc2[1], &tc2[0], &tc2[1]);
 217         map_point(src_matrix, tc3[0], tc3[1], &tc3[0], &tc3[1]);
 218     }
 219
 220     tc0[0] /= src->width0;
 221     tc1[0] /= src->width0;
 222     tc2[0] /= src->width0;
 223     tc3[0] /= src->width0;
 224     tc0[1] /= src->height0;
 225     tc1[1] /= src->height0;
 226     tc2[1] /= src->height0;
 227     tc3[1] /= src->height0;
 228 }
 229
 230 static void
 231 add_vertex_data1(struct xa_context *r,
 232                  float srcX, float srcY,  float dstX, float dstY,
 233                  float width, float height,
 234                  const struct pipe_resource *src, const float *src_matrix)
 235 {
 236     float tc0[2], tc1[2], tc2[2], tc3[2];
 237
 238     compute_src_coords(srcX, srcY, src, src_matrix, width, height,
 239                        tc0, tc1, tc2, tc3);
 240     /* 1st vertex */
 241     add_vertex_1tex(r, dstX, dstY, tc0[0], tc0[1]);
 242     /* 2nd vertex */
 243     add_vertex_1tex(r, dstX + width, dstY, tc1[0], tc1[1]);
 244     /* 3rd vertex */
 245     add_vertex_1tex(r, dstX + width, dstY + height, tc2[0], tc2[1]);
 246     /* 4th vertex */
 247     add_vertex_1tex(r, dstX, dstY + height, tc3[0], tc3[1]);
 248 }
 249
 250 static void
 251 add_vertex_data2(struct xa_context *r,
 252                  float srcX, float srcY, float maskX, float maskY,
 253                  float dstX, float dstY, float width, float height,
 254                  struct pipe_resource *src,
 255                  struct pipe_resource *mask,
 256                  const float *src_matrix, const float *mask_matrix)
 257 {
 258     float spt0[2], spt1[2], spt2[2], spt3[2];
 259     float mpt0[2], mpt1[2], mpt2[2], mpt3[2];
 260
 261     compute_src_coords(srcX, srcY, src, src_matrix, width, height,
 262                        spt0, spt1, spt2, spt3);
 263     compute_src_coords(maskX, maskY, mask, mask_matrix, width, height,
 264                        mpt0, mpt1, mpt2, mpt3);
 265
 266     /* 1st vertex */
 267     add_vertex_2tex(r, dstX, dstY,
 268                     spt0[0], spt0[1], mpt0[0], mpt0[1]);
 269     /* 2nd vertex */
 270     add_vertex_2tex(r, dstX + width, dstY,
 271                     spt1[0], spt1[1], mpt1[0], mpt1[1]);
 272     /* 3rd vertex */
 273     add_vertex_2tex(r, dstX + width, dstY + height,
 274                     spt2[0], spt2[1], mpt2[0], mpt2[1]);
 275     /* 4th vertex */
 276     add_vertex_2tex(r, dstX, dstY + height,
 277                     spt3[0], spt3[1], mpt3[0], mpt3[1]);
 278 }
 279
 280 static void
 281 setup_vertex_data_yuv(struct xa_context *r,
 282                       float srcX,
 283                       float srcY,
 284                       float srcW,
 285                       float srcH,
 286                       float dstX,
 287                       float dstY,
 288                       float dstW, float dstH, struct xa_surface *srf[])
 289 {
 290     float s0, t0, s1, t1;
 291     float spt0[2], spt1[2];
 292     struct pipe_resource *tex;
 293
 294     spt0[0] = srcX;
 295     spt0[1] = srcY;
 296     spt1[0] = srcX + srcW;
 297     spt1[1] = srcY + srcH;
 298
 299     tex = srf[0]->tex;
 300     s0 = spt0[0] / tex->width0;
 301     t0 = spt0[1] / tex->height0;
 302     s1 = spt1[0] / tex->width0;
 303     t1 = spt1[1] / tex->height0;
 304
 305     /* 1st vertex */
 306     add_vertex_1tex(r, dstX, dstY, s0, t0);
 307     /* 2nd vertex */
 308     add_vertex_1tex(r, dstX + dstW, dstY, s1, t0);
 309     /* 3rd vertex */
 310     add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1);
 311     /* 4th vertex */
 312     add_vertex_1tex(r, dstX, dstY + dstH, s0, t1);
 313 }
 314
 315 /* Set up framebuffer, viewport and vertex shader constant buffer
 316  * state for a particular destinaton surface.  In all our rendering,
 317  * these concepts are linked.
 318  */
 319 void
 320 renderer_bind_destination(struct xa_context *r,
 321                           struct pipe_surface *surface)
 322 {
 323     int width = surface->width;
 324     int height = surface->height;
 325
 326     struct pipe_framebuffer_state fb;
 327     struct pipe_viewport_state viewport;
 328
 329     xa_scissor_reset(r);
 330
 331     /* Framebuffer uses actual surface width/height
 332      */
 333     memset(&fb, 0, sizeof fb);
 334     fb.width = surface->width;
 335     fb.height = surface->height;
 336     fb.nr_cbufs = 1;
 337     fb.cbufs[0] = surface;
 338     fb.zsbuf = 0;
 339
 340     /* Viewport just touches the bit we're interested in:
 341      */
 342     viewport.scale[0] = width / 2.f;
 343     viewport.scale[1] = height / 2.f;
 344     viewport.scale[2] = 1.0;
 345     viewport.translate[0] = width / 2.f;
 346     viewport.translate[1] = height / 2.f;
 347     viewport.translate[2] = 0.0;
 348
 349     /* Constant buffer set up to match viewport dimensions:
 350      */
 351     if (r->fb_width != width || r->fb_height != height) {
 352         float vs_consts[8] = {
 353             2.f / width, 2.f / height, 1, 1,
 354             -1, -1, 0, 0
 355         };
 356
 357         r->fb_width = width;
 358         r->fb_height = height;
 359
 360         renderer_set_constants(r, PIPE_SHADER_VERTEX,
 361                                vs_consts, sizeof vs_consts);
 362     }
 363
 364     cso_set_framebuffer(r->cso, &fb);
 365     cso_set_viewport(r->cso, &viewport);
 366 }
 367
 368 void
 369 renderer_set_constants(struct xa_context *r,
 370                        int shader_type, const float *params, int param_bytes)
 371 {
 372     struct pipe_resource **cbuf =
 373         (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
 374         &r->fs_const_buffer;
 375
 376     pipe_resource_reference(cbuf, NULL);
 377     *cbuf = pipe_buffer_create_const0(r->pipe->screen,
 378                                       PIPE_BIND_CONSTANT_BUFFER,
 379                                       PIPE_USAGE_DEFAULT,
 380                                       param_bytes);
 381
 382     if (*cbuf) {
 383         pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params);
 384     }
 385     pipe_set_constant_buffer(r->pipe, shader_type, 0, *cbuf);
 386 }
 387
 388 void
 389 renderer_copy_prepare(struct xa_context *r,
 390                       struct pipe_surface *dst_surface,
 391                       struct pipe_resource *src_texture,
 392                       const enum xa_formats src_xa_format,
 393                       const enum xa_formats dst_xa_format)
 394 {
 395     struct pipe_context *pipe = r->pipe;
 396     struct pipe_screen *screen = pipe->screen;
 397     struct xa_shader shader;
 398     uint32_t fs_traits = FS_COMPOSITE;
 399
 400     assert(screen->is_format_supported(screen, dst_surface->format,
 401                                        PIPE_TEXTURE_2D, 0, 0,
 402                                        PIPE_BIND_RENDER_TARGET));
 403     (void)screen;
 404
 405     renderer_bind_destination(r, dst_surface);
 406
 407     /* set misc state we care about */
 408     {
 409         struct pipe_blend_state blend;
 410
 411         memset(&blend, 0, sizeof(blend));
 412         blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
 413         blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
 414         blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
 415         blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
 416         blend.rt[0].colormask = PIPE_MASK_RGBA;
 417         cso_set_blend(r->cso, &blend);
 418     }
 419
 420     /* sampler */
 421     {
 422         struct pipe_sampler_state sampler;
 423         const struct pipe_sampler_state *p_sampler = &sampler;
 424
 425         memset(&sampler, 0, sizeof(sampler));
 426         sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 427         sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 428         sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
 429         sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
 430         sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
 431         sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
 432         sampler.normalized_coords = 1;
 433         cso_set_samplers(r->cso, PIPE_SHADER_FRAGMENT, 1, &p_sampler);
 434         r->num_bound_samplers = 1;
 435     }
 436
 437     /* texture/sampler view */
 438     {
 439         struct pipe_sampler_view templ;
 440         struct pipe_sampler_view *src_view;
 441
 442         u_sampler_view_default_template(&templ,
 443                                         src_texture, src_texture->format);
 444         src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
 445         cso_set_sampler_views(r->cso, PIPE_SHADER_FRAGMENT, 1, &src_view);
 446         pipe_sampler_view_reference(&src_view, NULL);
 447     }
 448
 449     /* shaders */
 450     if (src_texture->format == PIPE_FORMAT_L8_UNORM ||
 451         src_texture->format == PIPE_FORMAT_R8_UNORM)
 452         fs_traits |= FS_SRC_LUMINANCE;
 453     if (dst_surface->format == PIPE_FORMAT_L8_UNORM ||
 454         dst_surface->format == PIPE_FORMAT_R8_UNORM)
 455         fs_traits |= FS_DST_LUMINANCE;
 456     if (xa_format_a(dst_xa_format) != 0 &&
 457         xa_format_a(src_xa_format) == 0)
 458         fs_traits |= FS_SRC_SET_ALPHA;
 459
 460     shader = xa_shaders_get(r->shaders, VS_COMPOSITE, fs_traits);
 461     cso_set_vertex_shader_handle(r->cso, shader.vs);
 462     cso_set_fragment_shader_handle(r->cso, shader.fs);
 463
 464     r->buffer_size = 0;
 465     r->attrs_per_vertex = 2;
 466 }
 467
 468 void
 469 renderer_copy(struct xa_context *r,
 470               int dx,
 471               int dy,
 472               int sx,
 473               int sy,
 474               int width, int height, float src_width, float src_height)
 475 {
 476     float s0, t0, s1, t1;
 477     float x0, y0, x1, y1;
 478
 479     /* XXX: could put the texcoord scaling calculation into the vertex
 480      * shader.
 481      */
 482     s0 = sx / src_width;
 483     s1 = (sx + width) / src_width;
 484     t0 = sy / src_height;
 485     t1 = (sy + height) / src_height;
 486
 487     x0 = dx;
 488     x1 = dx + width;
 489     y0 = dy;
 490     y1 = dy + height;
 491
 492     /* draw quad */
 493     renderer_draw_conditional(r, 4 * 8);
 494     add_vertex_1tex(r, x0, y0, s0, t0);
 495     add_vertex_1tex(r, x1, y0, s1, t0);
 496     add_vertex_1tex(r, x1, y1, s1, t1);
 497     add_vertex_1tex(r, x0, y1, s0, t1);
 498 }
 499
 500 void
 501 renderer_draw_yuv(struct xa_context *r,
 502                   float src_x,
 503                   float src_y,
 504                   float src_w,
 505                   float src_h,
 506                   int dst_x,
 507                   int dst_y, int dst_w, int dst_h, struct xa_surface *srf[])
 508 {
 509    const int num_attribs = 2;   /*pos + tex coord */
 510
 511    setup_vertex_data_yuv(r,
 512                          src_x, src_y, src_w, src_h,
 513                          dst_x, dst_y, dst_w, dst_h, srf);
 514
 515    if (!r->scissor_valid) {
 516        r->scissor.minx = 0;
 517        r->scissor.miny = 0;
 518        r->scissor.maxx = r->dst->tex->width0;
 519        r->scissor.maxy = r->dst->tex->height0;
 520    }
 521
 522    r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
 523
 524    struct cso_velems_state velems;
 525    velems.count = num_attribs;
 526    memcpy(velems.velems, r->velems, sizeof(r->velems[0]) * velems.count);
 527
 528    cso_set_vertex_elements(r->cso, &velems);
 529    util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
 530                                 4,      /* verts */
 531                                 num_attribs);   /* attribs/vert */
 532    r->buffer_size = 0;
 533
 534    xa_scissor_reset(r);
 535 }
 536
 537 void
 538 renderer_begin_solid(struct xa_context *r)
 539 {
 540     r->buffer_size = 0;
 541     r->attrs_per_vertex = 1;
 542     renderer_set_constants(r, PIPE_SHADER_FRAGMENT, r->solid_color,
 543                            4 * sizeof(float));
 544 }
 545
 546 void
 547 renderer_solid(struct xa_context *r,
 548                int x0, int y0, int x1, int y1)
 549 {
 550     /*
 551      * debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
 552      * x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */
 553
 554     renderer_draw_conditional(r, 4 * 4);
 555
 556     /* 1st vertex */
 557     add_vertex_none(r, x0, y0);
 558     /* 2nd vertex */
 559     add_vertex_none(r, x1, y0);
 560     /* 3rd vertex */
 561     add_vertex_none(r, x1, y1);
 562     /* 4th vertex */
 563     add_vertex_none(r, x0, y1);
 564 }
 565
 566 void
 567 renderer_draw_flush(struct xa_context *r)
 568 {
 569     renderer_draw_conditional(r, 0);
 570 }
 571
 572 void
 573 renderer_begin_textures(struct xa_context *r)
 574 {
 575     r->attrs_per_vertex = 1 + r->num_bound_samplers;
 576     r->buffer_size = 0;
 577     if (r->has_solid_src || r->has_solid_mask)
 578        renderer_set_constants(r, PIPE_SHADER_FRAGMENT, r->solid_color,
 579                               4 * sizeof(float));
 580 }
 581
 582 void
 583 renderer_texture(struct xa_context *r,
 584                  int *pos,
 585                  int width, int height,
 586                  const float *src_matrix,
 587                  const float *mask_matrix)
 588 {
 589     struct pipe_sampler_view **sampler_view = r->bound_sampler_views;
 590
 591 #if 0
 592     if (src_matrix) {
 593         debug_printf("src_matrix = \n");
 594         debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]);
 595         debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]);
 596         debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]);
 597     }
 598     if (mask_matrix) {
 599         debug_printf("mask_matrix = \n");
 600         debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]);
 601         debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]);
 602         debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]);
 603     }
 604 #endif
 605
 606     switch(r->attrs_per_vertex) {
 607     case 2:
 608         renderer_draw_conditional(r, 4 * 8);
 609         if (!r->has_solid_src) {
 610            add_vertex_data1(r,
 611                             pos[0], pos[1], /* src */
 612                             pos[4], pos[5], /* dst */
 613                             width, height,
 614                             sampler_view[0]->texture, src_matrix);
 615         } else {
 616            add_vertex_data1(r,
 617                             pos[2], pos[3], /* mask */
 618                             pos[4], pos[5], /* dst */
 619                             width, height,
 620                             sampler_view[0]->texture, mask_matrix);
 621         }
 622         break;
 623     case 3:
 624         renderer_draw_conditional(r, 4 * 12);
 625         add_vertex_data2(r,
 626                          pos[0], pos[1], /* src */
 627                          pos[2], pos[3], /* mask */
 628                          pos[4], pos[5], /* dst */
 629                          width, height,
 630                          sampler_view[0]->texture, sampler_view[1]->texture,
 631                          src_matrix, mask_matrix);
 632         break;
 633     default:
 634         break;
 635     }
 636 }