2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a 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, sublicense, 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:
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
32 #include "util/u_memory.h"
33 #include "util/u_simple_list.h"
34 #include "util/u_format.h"
36 #include "brw_screen.h"
37 #include "brw_defines.h"
38 #include "brw_structs.h"
39 #include "brw_winsys.h"
40 #include "brw_batchbuffer.h"
41 #include "brw_context.h"
42 #include "brw_resource.h"
46 * Subclass of pipe_transfer
50 struct pipe_transfer base;
55 static INLINE struct brw_transfer *
56 brw_transfer(struct pipe_transfer *transfer)
58 return (struct brw_transfer *)transfer;
62 static GLuint translate_tex_target( unsigned target )
66 return BRW_SURFACE_1D;
69 case PIPE_TEXTURE_RECT:
70 return BRW_SURFACE_2D;
73 return BRW_SURFACE_3D;
75 case PIPE_TEXTURE_CUBE:
76 return BRW_SURFACE_CUBE;
80 return BRW_SURFACE_1D;
85 static GLuint translate_tex_format( enum pipe_format pf )
88 case PIPE_FORMAT_L8_UNORM:
89 return BRW_SURFACEFORMAT_L8_UNORM;
91 case PIPE_FORMAT_I8_UNORM:
92 return BRW_SURFACEFORMAT_I8_UNORM;
94 case PIPE_FORMAT_A8_UNORM:
95 return BRW_SURFACEFORMAT_A8_UNORM;
97 case PIPE_FORMAT_L16_UNORM:
98 return BRW_SURFACEFORMAT_L16_UNORM;
100 /* XXX: Add these to gallium
101 case PIPE_FORMAT_I16_UNORM:
102 return BRW_SURFACEFORMAT_I16_UNORM;
104 case PIPE_FORMAT_A16_UNORM:
105 return BRW_SURFACEFORMAT_A16_UNORM;
108 case PIPE_FORMAT_L8A8_UNORM:
109 return BRW_SURFACEFORMAT_L8A8_UNORM;
111 case PIPE_FORMAT_B5G6R5_UNORM:
112 return BRW_SURFACEFORMAT_B5G6R5_UNORM;
114 case PIPE_FORMAT_B5G5R5A1_UNORM:
115 return BRW_SURFACEFORMAT_B5G5R5A1_UNORM;
117 case PIPE_FORMAT_B4G4R4A4_UNORM:
118 return BRW_SURFACEFORMAT_B4G4R4A4_UNORM;
120 case PIPE_FORMAT_B8G8R8X8_UNORM:
121 return BRW_SURFACEFORMAT_R8G8B8X8_UNORM;
123 case PIPE_FORMAT_B8G8R8A8_UNORM:
124 return BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
130 case PIPE_FORMAT_YUYV:
131 return BRW_SURFACEFORMAT_YCRCB_NORMAL;
133 case PIPE_FORMAT_UYVY:
134 return BRW_SURFACEFORMAT_YCRCB_SWAPUVY;
137 * Compressed formats.
139 /* XXX: Add FXT to gallium?
140 case PIPE_FORMAT_FXT1_RGBA:
141 return BRW_SURFACEFORMAT_FXT1;
144 case PIPE_FORMAT_DXT1_RGB:
145 return BRW_SURFACEFORMAT_DXT1_RGB;
147 case PIPE_FORMAT_DXT1_RGBA:
148 return BRW_SURFACEFORMAT_BC1_UNORM;
150 case PIPE_FORMAT_DXT3_RGBA:
151 return BRW_SURFACEFORMAT_BC2_UNORM;
153 case PIPE_FORMAT_DXT5_RGBA:
154 return BRW_SURFACEFORMAT_BC3_UNORM;
160 case PIPE_FORMAT_A8B8G8R8_SRGB:
161 return BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB;
163 case PIPE_FORMAT_L8A8_SRGB:
164 return BRW_SURFACEFORMAT_L8A8_UNORM_SRGB;
166 case PIPE_FORMAT_L8_SRGB:
167 return BRW_SURFACEFORMAT_L8_UNORM_SRGB;
169 case PIPE_FORMAT_DXT1_SRGB:
170 return BRW_SURFACEFORMAT_BC1_UNORM_SRGB;
176 case PIPE_FORMAT_Z16_UNORM:
177 return BRW_SURFACEFORMAT_I16_UNORM;
179 case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
180 case PIPE_FORMAT_Z24X8_UNORM:
181 return BRW_SURFACEFORMAT_I24X8_UNORM;
183 case PIPE_FORMAT_Z32_FLOAT:
184 return BRW_SURFACEFORMAT_I32_FLOAT;
186 /* XXX: presumably for bump mapping. Add this to mesa state
189 * XXX: Add flipped versions of these formats to Gallium.
191 case PIPE_FORMAT_R8G8_SNORM:
192 return BRW_SURFACEFORMAT_R8G8_SNORM;
194 case PIPE_FORMAT_R8G8B8A8_SNORM:
195 return BRW_SURFACEFORMAT_R8G8B8A8_SNORM;
198 return BRW_SURFACEFORMAT_INVALID;
204 brw_texture_get_handle(struct pipe_screen *screen,
205 struct pipe_resource *texture,
206 struct winsys_handle *whandle)
208 struct brw_screen *bscreen = brw_screen(screen);
209 struct brw_texture *tex = brw_texture(texture);
212 stride = tex->pitch * tex->cpp;
214 return bscreen->sws->bo_get_handle(tex->bo, whandle, stride) == PIPE_OK;
219 static void brw_texture_destroy(struct pipe_screen *screen,
220 struct pipe_resource *pt)
222 struct brw_texture *tex = brw_texture(pt);
223 bo_reference(&tex->bo, NULL);
233 static struct pipe_transfer *
234 brw_texture_get_transfer(struct pipe_context *context,
235 struct pipe_resource *resource,
238 const struct pipe_box *box)
240 struct brw_texture *tex = brw_texture(resource);
241 struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer);
242 if (transfer == NULL)
245 transfer->resource = resource;
246 transfer->level = level;
247 transfer->usage = usage;
248 transfer->box = *box;
249 transfer->stride = tex->pitch * tex->cpp;
250 /* FIXME: layer_stride */
257 brw_texture_transfer_map(struct pipe_context *pipe,
258 struct pipe_transfer *transfer)
260 struct pipe_resource *resource = transfer->resource;
261 struct brw_texture *tex = brw_texture(transfer->resource);
262 struct brw_winsys_screen *sws = brw_screen(pipe->screen)->sws;
263 struct pipe_box *box = &transfer->box;
264 enum pipe_format format = resource->format;
265 unsigned usage = transfer->usage;
269 if (resource->target != PIPE_TEXTURE_3D &&
270 resource->target != PIPE_TEXTURE_CUBE)
272 offset = tex->image_offset[transfer->level][box->z];
274 map = sws->bo_map(tex->bo,
278 (usage & PIPE_TRANSFER_WRITE) ? TRUE : FALSE,
279 (usage & 0) ? TRUE : FALSE,
280 (usage & 0) ? TRUE : FALSE);
285 return map + offset +
286 box->y / util_format_get_blockheight(format) * transfer->stride +
287 box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
291 brw_texture_transfer_unmap(struct pipe_context *pipe,
292 struct pipe_transfer *transfer)
294 struct brw_texture *tex = brw_texture(transfer->resource);
295 struct brw_winsys_screen *sws = brw_screen(pipe->screen)->sws;
297 sws->bo_unmap(tex->bo);
304 struct u_resource_vtbl brw_texture_vtbl =
306 brw_texture_get_handle, /* get_handle */
307 brw_texture_destroy, /* resource_destroy */
308 brw_texture_get_transfer, /* get_transfer */
309 u_default_transfer_destroy, /* transfer_destroy */
310 brw_texture_transfer_map, /* transfer_map */
311 u_default_transfer_flush_region, /* transfer_flush_region */
312 brw_texture_transfer_unmap, /* transfer_unmap */
313 u_default_transfer_inline_write /* transfer_inline_write */
320 struct pipe_resource *
321 brw_texture_create( struct pipe_screen *screen,
322 const struct pipe_resource *template )
324 struct brw_screen *bscreen = brw_screen(screen);
325 struct brw_texture *tex;
326 enum brw_buffer_type buffer_type;
330 tex = CALLOC_STRUCT(brw_texture);
334 tex->b.b = *template;
335 tex->b.vtbl = &brw_texture_vtbl;
336 pipe_reference_init(&tex->b.b.reference, 1);
337 tex->b.b.screen = screen;
339 /* XXX: compressed textures need special treatment here
341 tex->cpp = util_format_get_blocksize(tex->b.b.format);
342 tex->compressed = util_format_is_s3tc(tex->b.b.format);
344 make_empty_list(&tex->views[0]);
345 make_empty_list(&tex->views[1]);
347 /* XXX: No tiling with compressed textures??
349 if (tex->compressed == 0 &&
352 if (bscreen->gen < 5 &&
353 util_format_is_depth_or_stencil(template->format))
354 tex->tiling = BRW_TILING_Y;
356 tex->tiling = BRW_TILING_X;
359 tex->tiling = BRW_TILING_NONE;
363 if (!brw_texture_layout( bscreen, tex ))
367 if (template->bind & (PIPE_BIND_SCANOUT |
369 buffer_type = BRW_BUFFER_TYPE_SCANOUT;
372 buffer_type = BRW_BUFFER_TYPE_TEXTURE;
375 ret = bscreen->sws->bo_alloc( bscreen->sws,
377 tex->pitch * tex->total_height * tex->cpp,
383 tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
384 tex->ss.ss0.surface_type = translate_tex_target(tex->b.b.target);
386 format = translate_tex_format(tex->b.b.format);
387 assert(format != BRW_SURFACEFORMAT_INVALID);
388 tex->ss.ss0.surface_format = format;
390 /* This is ok for all textures with channel width 8bit or less:
392 /* tex->ss.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
395 /* XXX: what happens when tex->bo->offset changes???
397 tex->ss.ss1.base_addr = 0; /* reloc */
398 tex->ss.ss2.mip_count = tex->b.b.last_level;
399 tex->ss.ss2.width = tex->b.b.width0 - 1;
400 tex->ss.ss2.height = tex->b.b.height0 - 1;
402 switch (tex->tiling) {
403 case BRW_TILING_NONE:
404 tex->ss.ss3.tiled_surface = 0;
405 tex->ss.ss3.tile_walk = 0;
408 tex->ss.ss3.tiled_surface = 1;
409 tex->ss.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
412 tex->ss.ss3.tiled_surface = 1;
413 tex->ss.ss3.tile_walk = BRW_TILEWALK_YMAJOR;
417 tex->ss.ss3.pitch = (tex->pitch * tex->cpp) - 1;
418 tex->ss.ss3.depth = tex->b.b.depth0 - 1;
420 tex->ss.ss4.min_lod = 0;
422 if (tex->b.b.target == PIPE_TEXTURE_CUBE) {
423 tex->ss.ss0.cube_pos_x = 1;
424 tex->ss.ss0.cube_pos_y = 1;
425 tex->ss.ss0.cube_pos_z = 1;
426 tex->ss.ss0.cube_neg_x = 1;
427 tex->ss.ss0.cube_neg_y = 1;
428 tex->ss.ss0.cube_neg_z = 1;
434 bo_reference(&tex->bo, NULL);
440 struct pipe_resource *
441 brw_texture_from_handle(struct pipe_screen *screen,
442 const struct pipe_resource *template,
443 struct winsys_handle *whandle)
445 struct brw_screen *bscreen = brw_screen(screen);
446 struct brw_texture *tex;
447 struct brw_winsys_buffer *buffer;
452 if ((template->target != PIPE_TEXTURE_2D
453 && template->target != PIPE_TEXTURE_RECT) ||
454 template->last_level != 0 ||
455 template->depth0 != 1)
458 if (util_format_is_s3tc(template->format))
461 tex = CALLOC_STRUCT(brw_texture);
465 if (bscreen->sws->bo_from_handle(bscreen->sws, whandle, &pitch, &tiling, &buffer) != PIPE_OK)
468 tex->b.b = *template;
469 tex->b.vtbl = &brw_texture_vtbl;
470 pipe_reference_init(&tex->b.b.reference, 1);
471 tex->b.b.screen = screen;
473 /* XXX: cpp vs. blocksize
475 tex->cpp = util_format_get_blocksize(tex->b.b.format);
476 tex->tiling = tiling;
478 make_empty_list(&tex->views[0]);
479 make_empty_list(&tex->views[1]);
481 if (!brw_texture_layout(bscreen, tex))
484 /* XXX Maybe some more checks? */
485 if ((pitch / tex->cpp) < tex->pitch)
488 tex->pitch = pitch / tex->cpp;
492 /* fix this warning */
494 if (tex->size > buffer->size)
498 tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
499 tex->ss.ss0.surface_type = translate_tex_target(tex->b.b.target);
501 format = translate_tex_format(tex->b.b.format);
502 assert(format != BRW_SURFACEFORMAT_INVALID);
503 tex->ss.ss0.surface_format = format;
505 /* This is ok for all textures with channel width 8bit or less:
507 /* tex->ss.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
510 /* XXX: what happens when tex->bo->offset changes???
512 tex->ss.ss1.base_addr = 0; /* reloc */
513 tex->ss.ss2.mip_count = tex->b.b.last_level;
514 tex->ss.ss2.width = tex->b.b.width0 - 1;
515 tex->ss.ss2.height = tex->b.b.height0 - 1;
517 switch (tex->tiling) {
518 case BRW_TILING_NONE:
519 tex->ss.ss3.tiled_surface = 0;
520 tex->ss.ss3.tile_walk = 0;
523 tex->ss.ss3.tiled_surface = 1;
524 tex->ss.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
527 tex->ss.ss3.tiled_surface = 1;
528 tex->ss.ss3.tile_walk = BRW_TILEWALK_YMAJOR;
532 tex->ss.ss3.pitch = (tex->pitch * tex->cpp) - 1;
533 tex->ss.ss3.depth = tex->b.b.depth0 - 1;
535 tex->ss.ss4.min_lod = 0;
546 boolean brw_is_format_supported( struct pipe_screen *screen,
547 enum pipe_format format,
548 enum pipe_texture_target target,
549 unsigned sample_count,
551 unsigned geom_flags )
553 return translate_tex_format(format) != BRW_SURFACEFORMAT_INVALID;