1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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 VMWARE 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.
26 **************************************************************************/
32 #include "util/u_inlines.h"
33 #include "util/u_memory.h"
35 #include "draw/draw_context.h"
37 #include "lp_context.h"
38 #include "lp_screen.h"
41 #include "state_tracker/sw_winsys.h"
45 llvmpipe_create_sampler_state(struct pipe_context
*pipe
,
46 const struct pipe_sampler_state
*sampler
)
48 struct pipe_sampler_state
*state
= mem_dup(sampler
, sizeof *sampler
);
50 if (LP_PERF
& PERF_NO_MIP_LINEAR
) {
51 if (state
->min_mip_filter
== PIPE_TEX_MIPFILTER_LINEAR
)
52 state
->min_mip_filter
= PIPE_TEX_MIPFILTER_NEAREST
;
55 if (LP_PERF
& PERF_NO_MIPMAPS
)
56 state
->min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
58 if (LP_PERF
& PERF_NO_LINEAR
) {
59 state
->mag_img_filter
= PIPE_TEX_FILTER_NEAREST
;
60 state
->min_img_filter
= PIPE_TEX_FILTER_NEAREST
;
68 llvmpipe_bind_sampler_states(struct pipe_context
*pipe
,
69 enum pipe_shader_type shader
,
74 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
77 assert(shader
< PIPE_SHADER_TYPES
);
78 assert(start
+ num
<= ARRAY_SIZE(llvmpipe
->samplers
[shader
]));
80 draw_flush(llvmpipe
->draw
);
82 /* set the new samplers */
83 for (i
= 0; i
< num
; i
++) {
84 llvmpipe
->samplers
[shader
][start
+ i
] = samplers
[i
];
87 /* find highest non-null samplers[] entry */
89 unsigned j
= MAX2(llvmpipe
->num_samplers
[shader
], start
+ num
);
90 while (j
> 0 && llvmpipe
->samplers
[shader
][j
- 1] == NULL
)
92 llvmpipe
->num_samplers
[shader
] = j
;
95 if (shader
== PIPE_SHADER_VERTEX
|| shader
== PIPE_SHADER_GEOMETRY
) {
96 draw_set_samplers(llvmpipe
->draw
,
98 llvmpipe
->samplers
[shader
],
99 llvmpipe
->num_samplers
[shader
]);
101 else if (shader
== PIPE_SHADER_COMPUTE
) {
102 llvmpipe
->cs_dirty
|= LP_CSNEW_SAMPLER
;
104 llvmpipe
->dirty
|= LP_NEW_SAMPLER
;
110 llvmpipe_set_sampler_views(struct pipe_context
*pipe
,
111 enum pipe_shader_type shader
,
114 struct pipe_sampler_view
**views
)
116 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
119 assert(num
<= PIPE_MAX_SHADER_SAMPLER_VIEWS
);
121 assert(shader
< PIPE_SHADER_TYPES
);
122 assert(start
+ num
<= ARRAY_SIZE(llvmpipe
->sampler_views
[shader
]));
124 draw_flush(llvmpipe
->draw
);
126 /* set the new sampler views */
127 for (i
= 0; i
< num
; i
++) {
129 * Warn if someone tries to set a view created in a different context
130 * (which is why we need the hack above in the first place).
131 * An assert would be better but st/mesa relies on it...
133 if (views
[i
] && views
[i
]->context
!= pipe
) {
134 debug_printf("Illegal setting of sampler_view %d created in another "
137 pipe_sampler_view_reference(&llvmpipe
->sampler_views
[shader
][start
+ i
],
141 /* find highest non-null sampler_views[] entry */
143 unsigned j
= MAX2(llvmpipe
->num_sampler_views
[shader
], start
+ num
);
144 while (j
> 0 && llvmpipe
->sampler_views
[shader
][j
- 1] == NULL
)
146 llvmpipe
->num_sampler_views
[shader
] = j
;
149 if (shader
== PIPE_SHADER_VERTEX
|| shader
== PIPE_SHADER_GEOMETRY
) {
150 draw_set_sampler_views(llvmpipe
->draw
,
152 llvmpipe
->sampler_views
[shader
],
153 llvmpipe
->num_sampler_views
[shader
]);
155 else if (shader
== PIPE_SHADER_COMPUTE
) {
156 llvmpipe
->cs_dirty
|= LP_CSNEW_SAMPLER_VIEW
;
158 llvmpipe
->dirty
|= LP_NEW_SAMPLER_VIEW
;
163 static struct pipe_sampler_view
*
164 llvmpipe_create_sampler_view(struct pipe_context
*pipe
,
165 struct pipe_resource
*texture
,
166 const struct pipe_sampler_view
*templ
)
168 struct pipe_sampler_view
*view
= CALLOC_STRUCT(pipe_sampler_view
);
170 * XXX: bind flags from OpenGL state tracker are notoriously unreliable.
171 * This looks unfixable, so fix the bind flags instead when it happens.
173 if (!(texture
->bind
& PIPE_BIND_SAMPLER_VIEW
)) {
174 debug_printf("Illegal sampler view creation without bind flag\n");
175 texture
->bind
|= PIPE_BIND_SAMPLER_VIEW
;
180 view
->reference
.count
= 1;
181 view
->texture
= NULL
;
182 pipe_resource_reference(&view
->texture
, texture
);
183 view
->context
= pipe
;
187 * This is possibly too lenient, but the primary reason is just
188 * to catch state trackers which forget to initialize this, so
189 * it only catches clearly impossible view targets.
191 if (view
->target
!= texture
->target
) {
192 if (view
->target
== PIPE_TEXTURE_1D
)
193 assert(texture
->target
== PIPE_TEXTURE_1D_ARRAY
);
194 else if (view
->target
== PIPE_TEXTURE_1D_ARRAY
)
195 assert(texture
->target
== PIPE_TEXTURE_1D
);
196 else if (view
->target
== PIPE_TEXTURE_2D
)
197 assert(texture
->target
== PIPE_TEXTURE_2D_ARRAY
||
198 texture
->target
== PIPE_TEXTURE_CUBE
||
199 texture
->target
== PIPE_TEXTURE_CUBE_ARRAY
);
200 else if (view
->target
== PIPE_TEXTURE_2D_ARRAY
)
201 assert(texture
->target
== PIPE_TEXTURE_2D
||
202 texture
->target
== PIPE_TEXTURE_CUBE
||
203 texture
->target
== PIPE_TEXTURE_CUBE_ARRAY
);
204 else if (view
->target
== PIPE_TEXTURE_CUBE
)
205 assert(texture
->target
== PIPE_TEXTURE_CUBE_ARRAY
||
206 texture
->target
== PIPE_TEXTURE_2D_ARRAY
);
207 else if (view
->target
== PIPE_TEXTURE_CUBE_ARRAY
)
208 assert(texture
->target
== PIPE_TEXTURE_CUBE
||
209 texture
->target
== PIPE_TEXTURE_2D_ARRAY
);
221 llvmpipe_sampler_view_destroy(struct pipe_context
*pipe
,
222 struct pipe_sampler_view
*view
)
224 pipe_resource_reference(&view
->texture
, NULL
);
230 llvmpipe_delete_sampler_state(struct pipe_context
*pipe
,
238 prepare_shader_sampling(
239 struct llvmpipe_context
*lp
,
241 struct pipe_sampler_view
**views
,
242 enum pipe_shader_type shader_type
)
246 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
];
247 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
];
248 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
];
251 assert(num
<= PIPE_MAX_SHADER_SAMPLER_VIEWS
);
255 for (i
= 0; i
< num
; i
++) {
256 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
259 struct pipe_resource
*tex
= view
->texture
;
260 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(tex
);
261 unsigned width0
= tex
->width0
;
262 unsigned num_layers
= tex
->depth0
;
263 unsigned first_level
= 0;
264 unsigned last_level
= 0;
267 /* regular texture - setup array of mipmap level offsets */
268 struct pipe_resource
*res
= view
->texture
;
271 if (llvmpipe_resource_is_texture(res
)) {
272 first_level
= view
->u
.tex
.first_level
;
273 last_level
= view
->u
.tex
.last_level
;
274 assert(first_level
<= last_level
);
275 assert(last_level
<= res
->last_level
);
276 addr
= lp_tex
->tex_data
;
278 for (j
= first_level
; j
<= last_level
; j
++) {
279 mip_offsets
[j
] = lp_tex
->mip_offsets
[j
];
280 row_stride
[j
] = lp_tex
->row_stride
[j
];
281 img_stride
[j
] = lp_tex
->img_stride
[j
];
283 if (tex
->target
== PIPE_TEXTURE_1D_ARRAY
||
284 tex
->target
== PIPE_TEXTURE_2D_ARRAY
||
285 tex
->target
== PIPE_TEXTURE_CUBE
||
286 tex
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
287 num_layers
= view
->u
.tex
.last_layer
- view
->u
.tex
.first_layer
+ 1;
288 for (j
= first_level
; j
<= last_level
; j
++) {
289 mip_offsets
[j
] += view
->u
.tex
.first_layer
*
290 lp_tex
->img_stride
[j
];
292 if (view
->target
== PIPE_TEXTURE_CUBE
||
293 view
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
294 assert(num_layers
% 6 == 0);
296 assert(view
->u
.tex
.first_layer
<= view
->u
.tex
.last_layer
);
297 assert(view
->u
.tex
.last_layer
< res
->array_size
);
301 unsigned view_blocksize
= util_format_get_blocksize(view
->format
);
303 /* probably don't really need to fill that out */
308 /* everything specified in number of elements here. */
309 width0
= view
->u
.buf
.size
/ view_blocksize
;
310 addr
= (uint8_t *)addr
+ view
->u
.buf
.offset
;
311 assert(view
->u
.buf
.offset
+ view
->u
.buf
.size
<= res
->width0
);
315 /* display target texture/surface */
317 * XXX: Where should this be unmapped?
319 struct llvmpipe_screen
*screen
= llvmpipe_screen(tex
->screen
);
320 struct sw_winsys
*winsys
= screen
->winsys
;
321 addr
= winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
323 row_stride
[0] = lp_tex
->row_stride
[0];
324 img_stride
[0] = lp_tex
->img_stride
[0];
328 draw_set_mapped_texture(lp
->draw
,
331 width0
, tex
->height0
, num_layers
,
332 first_level
, last_level
,
334 row_stride
, img_stride
, mip_offsets
);
341 * Called whenever we're about to draw (no dirty flag, FIXME?).
344 llvmpipe_prepare_vertex_sampling(struct llvmpipe_context
*lp
,
346 struct pipe_sampler_view
**views
)
348 prepare_shader_sampling(lp
, num
, views
, PIPE_SHADER_VERTEX
);
353 * Called whenever we're about to draw (no dirty flag, FIXME?).
356 llvmpipe_prepare_geometry_sampling(struct llvmpipe_context
*lp
,
358 struct pipe_sampler_view
**views
)
360 prepare_shader_sampling(lp
, num
, views
, PIPE_SHADER_GEOMETRY
);
364 prepare_shader_images(
365 struct llvmpipe_context
*lp
,
367 struct pipe_image_view
*views
,
368 enum pipe_shader_type shader_type
)
376 assert(num
<= PIPE_MAX_SHADER_SAMPLER_VIEWS
);
380 for (i
= 0; i
< num
; i
++) {
381 struct pipe_image_view
*view
= i
< num
? &views
[i
] : NULL
;
384 struct pipe_resource
*img
= view
->resource
;
385 struct llvmpipe_resource
*lp_img
= llvmpipe_resource(img
);
389 unsigned width0
= img
->width0
;
390 unsigned num_layers
= img
->depth0
;
393 /* regular texture - setup array of mipmap level offsets */
394 struct pipe_resource
*res
= view
->resource
;
396 if (llvmpipe_resource_is_texture(res
)) {
397 uint32_t mip_offset
= lp_img
->mip_offsets
[view
->u
.tex
.level
];
398 addr
= lp_img
->tex_data
;
400 if (img
->target
== PIPE_TEXTURE_1D_ARRAY
||
401 img
->target
== PIPE_TEXTURE_2D_ARRAY
||
402 img
->target
== PIPE_TEXTURE_3D
||
403 img
->target
== PIPE_TEXTURE_CUBE
||
404 img
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
405 num_layers
= view
->u
.tex
.last_layer
- view
->u
.tex
.first_layer
+ 1;
406 assert(view
->u
.tex
.first_layer
<= view
->u
.tex
.last_layer
);
407 mip_offset
+= view
->u
.tex
.first_layer
* lp_img
->img_stride
[view
->u
.tex
.level
];
410 row_stride
= lp_img
->row_stride
[view
->u
.tex
.level
];
411 img_stride
= lp_img
->img_stride
[view
->u
.tex
.level
];
412 addr
= (uint8_t *)addr
+ mip_offset
;
415 unsigned view_blocksize
= util_format_get_blocksize(view
->format
);
417 /* probably don't really need to fill that out */
421 /* everything specified in number of elements here. */
422 width0
= view
->u
.buf
.size
/ view_blocksize
;
423 addr
= (uint8_t *)addr
+ view
->u
.buf
.offset
;
424 assert(view
->u
.buf
.offset
+ view
->u
.buf
.size
<= res
->width0
);
428 /* display target texture/surface */
430 * XXX: Where should this be unmapped?
432 struct llvmpipe_screen
*screen
= llvmpipe_screen(img
->screen
);
433 struct sw_winsys
*winsys
= screen
->winsys
;
434 addr
= winsys
->displaytarget_map(winsys
, lp_img
->dt
,
436 row_stride
= lp_img
->row_stride
[0];
437 img_stride
= lp_img
->img_stride
[0];
440 draw_set_mapped_image(lp
->draw
,
443 width0
, img
->height0
, num_layers
,
445 row_stride
, img_stride
);
452 * Called whenever we're about to draw (no dirty flag, FIXME?).
455 llvmpipe_prepare_vertex_images(struct llvmpipe_context
*lp
,
457 struct pipe_image_view
*views
)
459 prepare_shader_images(lp
, num
, views
, PIPE_SHADER_VERTEX
);
464 * Called whenever we're about to draw (no dirty flag, FIXME?).
467 llvmpipe_prepare_geometry_images(struct llvmpipe_context
*lp
,
469 struct pipe_image_view
*views
)
471 prepare_shader_images(lp
, num
, views
, PIPE_SHADER_GEOMETRY
);
475 llvmpipe_init_sampler_funcs(struct llvmpipe_context
*llvmpipe
)
477 llvmpipe
->pipe
.create_sampler_state
= llvmpipe_create_sampler_state
;
479 llvmpipe
->pipe
.bind_sampler_states
= llvmpipe_bind_sampler_states
;
480 llvmpipe
->pipe
.create_sampler_view
= llvmpipe_create_sampler_view
;
481 llvmpipe
->pipe
.set_sampler_views
= llvmpipe_set_sampler_views
;
482 llvmpipe
->pipe
.sampler_view_destroy
= llvmpipe_sampler_view_destroy
;
483 llvmpipe
->pipe
.delete_sampler_state
= llvmpipe_delete_sampler_state
;