2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #include "pipe/p_screen.h"
25 #include "util/u_format.h"
26 #include "util/u_math.h"
27 #include "util/u_memory.h"
29 #include "r300_context.h"
30 #include "r300_texture.h"
31 #include "r300_screen.h"
33 #include "radeon_winsys.h"
38 static const unsigned microblock_table
[5][3][2] = {
39 /*linear tiled square-tiled */
40 {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */
41 {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */
42 {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */
43 {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */
44 {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
47 static void r300_setup_texture_state(struct r300_screen
* screen
, struct r300_texture
* tex
)
49 struct r300_texture_state
* state
= &tex
->state
;
50 struct pipe_texture
*pt
= &tex
->tex
;
51 boolean is_r500
= screen
->caps
->is_r500
;
53 state
->format0
= R300_TX_WIDTH((pt
->width0
- 1) & 0x7ff) |
54 R300_TX_HEIGHT((pt
->height0
- 1) & 0x7ff);
57 /* rectangles love this */
58 state
->format0
|= R300_TX_PITCH_EN
;
59 state
->format2
= (tex
->pitch
[0] - 1) & 0x1fff;
61 /* power of two textures (3D, mipmaps, and no pitch) */
62 state
->format0
|= R300_TX_DEPTH(util_logbase2(pt
->depth0
) & 0xf);
65 state
->format1
= r300_translate_texformat(pt
->format
);
66 if (pt
->target
== PIPE_TEXTURE_CUBE
) {
67 state
->format1
|= R300_TX_FORMAT_CUBIC_MAP
;
69 if (pt
->target
== PIPE_TEXTURE_3D
) {
70 state
->format1
|= R300_TX_FORMAT_3D
;
73 /* large textures on r500 */
76 if (pt
->width0
> 2048) {
77 state
->format2
|= R500_TXWIDTH_BIT11
;
79 if (pt
->height0
> 2048) {
80 state
->format2
|= R500_TXHEIGHT_BIT11
;
83 assert(is_r500
|| (pt
->width0
<= 2048 && pt
->height0
<= 2048));
85 SCREEN_DBG(screen
, DBG_TEX
, "r300: Set texture state (%dx%d, %d levels)\n",
86 pt
->width0
, pt
->height0
, pt
->last_level
);
89 unsigned r300_texture_get_offset(struct r300_texture
* tex
, unsigned level
,
90 unsigned zslice
, unsigned face
)
92 unsigned offset
= tex
->offset
[level
];
94 switch (tex
->tex
.target
) {
97 return offset
+ zslice
* tex
->layer_size
[level
];
99 case PIPE_TEXTURE_CUBE
:
101 return offset
+ face
* tex
->layer_size
[level
];
104 assert(zslice
== 0 && face
== 0);
110 * Return the width (dim==TILE_WIDTH) or height (dim==TILE_HEIGHT) of one tile
111 * of the given texture.
113 static unsigned r300_texture_get_tile_size(struct r300_texture
* tex
, int dim
)
115 unsigned pixsize
, tile_size
;
117 pixsize
= util_format_get_blocksize(tex
->tex
.format
);
118 tile_size
= microblock_table
[util_logbase2(pixsize
)][tex
->microtile
][dim
] *
119 (tex
->macrotile
== R300_BUFFER_TILED
? 8 : 1);
126 * Return the stride, in bytes, of the texture images of the given texture
127 * at the given level.
129 unsigned r300_texture_get_stride(struct r300_screen
* screen
,
130 struct r300_texture
* tex
, unsigned level
)
132 unsigned tile_width
, width
;
134 if (tex
->stride_override
)
135 return tex
->stride_override
;
137 /* Check the level. */
138 if (level
> tex
->tex
.last_level
) {
139 SCREEN_DBG(screen
, DBG_TEX
, "%s: level (%u) > last_level (%u)\n",
140 __FUNCTION__
, level
, tex
->tex
.last_level
);
144 width
= u_minify(tex
->tex
.width0
, level
);
146 if (!util_format_is_compressed(tex
->tex
.format
)) {
147 tile_width
= r300_texture_get_tile_size(tex
, TILE_WIDTH
);
148 width
= align(width
, tile_width
);
149 return util_format_get_stride(tex
->tex
.format
, width
);
151 return align(util_format_get_stride(tex
->tex
.format
, width
), 32);
155 static unsigned r300_texture_get_nblocksy(struct r300_texture
* tex
,
158 unsigned height
, tile_height
;
160 height
= u_minify(tex
->tex
.height0
, level
);
162 if (!util_format_is_compressed(tex
->tex
.format
)) {
163 tile_height
= r300_texture_get_tile_size(tex
, TILE_HEIGHT
);
164 height
= align(height
, tile_height
);
167 return util_format_get_nblocksy(tex
->tex
.format
, height
);
170 static void r300_setup_miptree(struct r300_screen
* screen
,
171 struct r300_texture
* tex
)
173 struct pipe_texture
* base
= &tex
->tex
;
174 unsigned stride
, size
, layer_size
, nblocksy
, i
;
176 SCREEN_DBG(screen
, DBG_TEX
, "r300: Making miptree for texture, format %s\n",
177 pf_name(base
->format
));
179 for (i
= 0; i
<= base
->last_level
; i
++) {
180 stride
= r300_texture_get_stride(screen
, tex
, i
);
181 nblocksy
= r300_texture_get_nblocksy(tex
, i
);
182 layer_size
= stride
* nblocksy
;
184 if (base
->target
== PIPE_TEXTURE_CUBE
)
185 size
= layer_size
* 6;
187 size
= layer_size
* u_minify(base
->depth0
, i
);
189 tex
->offset
[i
] = align(tex
->size
, 32);
190 tex
->size
= tex
->offset
[i
] + size
;
191 tex
->layer_size
[i
] = layer_size
;
192 tex
->pitch
[i
] = stride
/ util_format_get_blocksize(base
->format
);
194 SCREEN_DBG(screen
, DBG_TEX
, "r300: Texture miptree: Level %d "
195 "(%dx%dx%d px, pitch %d bytes) %d bytes total\n",
196 i
, u_minify(base
->width0
, i
), u_minify(base
->height0
, i
),
197 u_minify(base
->depth0
, i
), stride
, tex
->size
);
201 static void r300_setup_flags(struct r300_texture
* tex
)
203 tex
->is_npot
= !util_is_power_of_two(tex
->tex
.width0
) ||
204 !util_is_power_of_two(tex
->tex
.height0
);
207 /* Create a new texture. */
208 static struct pipe_texture
*
209 r300_texture_create(struct pipe_screen
* screen
,
210 const struct pipe_texture
* template)
212 struct r300_texture
* tex
= CALLOC_STRUCT(r300_texture
);
213 struct r300_screen
* rscreen
= r300_screen(screen
);
214 struct radeon_winsys
* winsys
= (struct radeon_winsys
*)screen
->winsys
;
220 tex
->tex
= *template;
221 pipe_reference_init(&tex
->tex
.reference
, 1);
222 tex
->tex
.screen
= screen
;
224 r300_setup_flags(tex
);
225 r300_setup_miptree(rscreen
, tex
);
226 r300_setup_texture_state(rscreen
, tex
);
228 tex
->buffer
= screen
->buffer_create(screen
, 2048,
229 PIPE_BUFFER_USAGE_PIXEL
,
231 winsys
->buffer_set_tiling(winsys
, tex
->buffer
,
233 tex
->microtile
!= R300_BUFFER_LINEAR
,
234 tex
->macrotile
!= R300_BUFFER_LINEAR
);
241 return (struct pipe_texture
*)tex
;
244 static void r300_texture_destroy(struct pipe_texture
* texture
)
246 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
248 pipe_buffer_reference(&tex
->buffer
, NULL
);
253 static struct pipe_surface
* r300_get_tex_surface(struct pipe_screen
* screen
,
254 struct pipe_texture
* texture
,
260 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
261 struct pipe_surface
* surface
= CALLOC_STRUCT(pipe_surface
);
264 offset
= r300_texture_get_offset(tex
, level
, zslice
, face
);
267 pipe_reference_init(&surface
->reference
, 1);
268 pipe_texture_reference(&surface
->texture
, texture
);
269 surface
->format
= texture
->format
;
270 surface
->width
= u_minify(texture
->width0
, level
);
271 surface
->height
= u_minify(texture
->height0
, level
);
272 surface
->offset
= offset
;
273 surface
->usage
= flags
;
274 surface
->zslice
= zslice
;
275 surface
->texture
= texture
;
276 surface
->face
= face
;
277 surface
->level
= level
;
283 static void r300_tex_surface_destroy(struct pipe_surface
* s
)
285 pipe_texture_reference(&s
->texture
, NULL
);
289 static struct pipe_texture
*
290 r300_texture_blanket(struct pipe_screen
* screen
,
291 const struct pipe_texture
* base
,
292 const unsigned* stride
,
293 struct pipe_buffer
* buffer
)
295 struct r300_texture
* tex
;
296 struct r300_screen
* rscreen
= r300_screen(screen
);
298 /* Support only 2D textures without mipmaps */
299 if (base
->target
!= PIPE_TEXTURE_2D
||
301 base
->last_level
!= 0) {
305 tex
= CALLOC_STRUCT(r300_texture
);
311 pipe_reference_init(&tex
->tex
.reference
, 1);
312 tex
->tex
.screen
= screen
;
314 tex
->stride_override
= *stride
;
315 tex
->pitch
[0] = *stride
/ util_format_get_blocksize(base
->format
);
317 r300_setup_flags(tex
);
318 r300_setup_texture_state(rscreen
, tex
);
320 pipe_buffer_reference(&tex
->buffer
, buffer
);
322 return (struct pipe_texture
*)tex
;
325 static struct pipe_video_surface
*
326 r300_video_surface_create(struct pipe_screen
*screen
,
327 enum pipe_video_chroma_format chroma_format
,
328 unsigned width
, unsigned height
)
330 struct r300_video_surface
*r300_vsfc
;
331 struct pipe_texture
template;
334 assert(width
&& height
);
336 r300_vsfc
= CALLOC_STRUCT(r300_video_surface
);
340 pipe_reference_init(&r300_vsfc
->base
.reference
, 1);
341 r300_vsfc
->base
.screen
= screen
;
342 r300_vsfc
->base
.chroma_format
= chroma_format
;
343 r300_vsfc
->base
.width
= width
;
344 r300_vsfc
->base
.height
= height
;
346 memset(&template, 0, sizeof(struct pipe_texture
));
347 template.target
= PIPE_TEXTURE_2D
;
348 template.format
= PIPE_FORMAT_X8R8G8B8_UNORM
;
349 template.last_level
= 0;
350 template.width0
= util_next_power_of_two(width
);
351 template.height0
= util_next_power_of_two(height
);
353 template.tex_usage
= PIPE_TEXTURE_USAGE_SAMPLER
|
354 PIPE_TEXTURE_USAGE_RENDER_TARGET
;
356 r300_vsfc
->tex
= screen
->texture_create(screen
, &template);
363 return &r300_vsfc
->base
;
366 static void r300_video_surface_destroy(struct pipe_video_surface
*vsfc
)
368 struct r300_video_surface
*r300_vsfc
= r300_video_surface(vsfc
);
369 pipe_texture_reference(&r300_vsfc
->tex
, NULL
);
373 void r300_init_screen_texture_functions(struct pipe_screen
* screen
)
375 screen
->texture_create
= r300_texture_create
;
376 screen
->texture_destroy
= r300_texture_destroy
;
377 screen
->get_tex_surface
= r300_get_tex_surface
;
378 screen
->tex_surface_destroy
= r300_tex_surface_destroy
;
379 screen
->texture_blanket
= r300_texture_blanket
;
381 screen
->video_surface_create
= r300_video_surface_create
;
382 screen
->video_surface_destroy
= r300_video_surface_destroy
;
385 boolean
r300_get_texture_buffer(struct pipe_screen
* screen
,
386 struct pipe_texture
* texture
,
387 struct pipe_buffer
** buffer
,
390 struct r300_texture
* tex
= (struct r300_texture
*)texture
;
395 pipe_buffer_reference(buffer
, tex
->buffer
);
398 *stride
= r300_texture_get_stride(r300_screen(screen
), tex
, 0);