1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
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:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
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
24 **********************************************************/
26 #include "pipe/p_defines.h"
27 #include "util/u_bitmask.h"
28 #include "util/u_format.h"
29 #include "util/u_inlines.h"
30 #include "util/u_math.h"
31 #include "util/u_memory.h"
32 #include "tgsi/tgsi_parse.h"
34 #include "svga_context.h"
36 #include "svga_debug.h"
37 #include "svga_resource_texture.h"
38 #include "svga_surface.h"
39 #include "svga_sampler_view.h"
42 static inline unsigned
43 translate_wrap_mode(unsigned wrap
)
46 case PIPE_TEX_WRAP_REPEAT
:
47 return SVGA3D_TEX_ADDRESS_WRAP
;
49 case PIPE_TEX_WRAP_CLAMP
:
50 return SVGA3D_TEX_ADDRESS_CLAMP
;
52 case PIPE_TEX_WRAP_CLAMP_TO_EDGE
:
53 /* Unfortunately SVGA3D_TEX_ADDRESS_EDGE not respected by
56 return SVGA3D_TEX_ADDRESS_CLAMP
;
58 case PIPE_TEX_WRAP_CLAMP_TO_BORDER
:
59 return SVGA3D_TEX_ADDRESS_BORDER
;
61 case PIPE_TEX_WRAP_MIRROR_REPEAT
:
62 return SVGA3D_TEX_ADDRESS_MIRROR
;
64 case PIPE_TEX_WRAP_MIRROR_CLAMP
:
65 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
:
66 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
:
67 return SVGA3D_TEX_ADDRESS_MIRRORONCE
;
71 return SVGA3D_TEX_ADDRESS_WRAP
;
75 static inline unsigned translate_img_filter( unsigned filter
)
78 case PIPE_TEX_FILTER_NEAREST
: return SVGA3D_TEX_FILTER_NEAREST
;
79 case PIPE_TEX_FILTER_LINEAR
: return SVGA3D_TEX_FILTER_LINEAR
;
82 return SVGA3D_TEX_FILTER_NEAREST
;
86 static inline unsigned translate_mip_filter( unsigned filter
)
89 case PIPE_TEX_MIPFILTER_NONE
: return SVGA3D_TEX_FILTER_NONE
;
90 case PIPE_TEX_MIPFILTER_NEAREST
: return SVGA3D_TEX_FILTER_NEAREST
;
91 case PIPE_TEX_MIPFILTER_LINEAR
: return SVGA3D_TEX_FILTER_LINEAR
;
94 return SVGA3D_TEX_FILTER_NONE
;
100 translate_comparison_func(unsigned func
)
103 case PIPE_FUNC_NEVER
:
104 return SVGA3D_COMPARISON_NEVER
;
106 return SVGA3D_COMPARISON_LESS
;
107 case PIPE_FUNC_EQUAL
:
108 return SVGA3D_COMPARISON_EQUAL
;
109 case PIPE_FUNC_LEQUAL
:
110 return SVGA3D_COMPARISON_LESS_EQUAL
;
111 case PIPE_FUNC_GREATER
:
112 return SVGA3D_COMPARISON_GREATER
;
113 case PIPE_FUNC_NOTEQUAL
:
114 return SVGA3D_COMPARISON_NOT_EQUAL
;
115 case PIPE_FUNC_GEQUAL
:
116 return SVGA3D_COMPARISON_GREATER_EQUAL
;
117 case PIPE_FUNC_ALWAYS
:
118 return SVGA3D_COMPARISON_ALWAYS
;
120 assert(!"Invalid comparison function");
121 return SVGA3D_COMPARISON_ALWAYS
;
127 * Translate filtering state to vgpu10 format.
130 translate_filter_mode(unsigned img_filter
,
136 SVGA3dFilter mode
= 0;
138 if (img_filter
== PIPE_TEX_FILTER_LINEAR
)
139 mode
|= SVGA3D_FILTER_MIP_LINEAR
;
140 if (min_filter
== PIPE_TEX_FILTER_LINEAR
)
141 mode
|= SVGA3D_FILTER_MIN_LINEAR
;
142 if (mag_filter
== PIPE_TEX_FILTER_LINEAR
)
143 mode
|= SVGA3D_FILTER_MAG_LINEAR
;
145 mode
|= SVGA3D_FILTER_ANISOTROPIC
;
147 mode
|= SVGA3D_FILTER_COMPARE
;
154 * Define a vgpu10 sampler state.
157 define_sampler_state_object(struct svga_context
*svga
,
158 struct svga_sampler_state
*ss
,
159 const struct pipe_sampler_state
*ps
)
161 uint8_t max_aniso
= (uint8_t) 255; /* XXX fix me */
165 SVGA3dRGBAFloat bcolor
;
167 float min_lod
, max_lod
;
169 assert(svga_have_vgpu10(svga
));
171 anisotropic
= ss
->aniso_level
> 1.0f
;
173 filter
= translate_filter_mode(ps
->min_mip_filter
,
179 compare_func
= translate_comparison_func(ss
->compare_func
);
181 COPY_4V(bcolor
.value
, ps
->border_color
.f
);
183 ss
->id
= util_bitmask_add(svga
->sampler_object_id_bm
);
185 assert(ps
->min_lod
<= ps
->max_lod
);
187 if (ps
->min_mip_filter
== PIPE_TEX_MIPFILTER_NONE
) {
188 /* just use the base level image */
189 min_lod
= max_lod
= 0.0f
;
192 min_lod
= ps
->min_lod
;
193 max_lod
= ps
->max_lod
;
196 /* Loop in case command buffer is full and we need to flush and retry */
197 for (try = 0; try < 2; try++) {
198 enum pipe_error ret
=
199 SVGA3D_vgpu10_DefineSamplerState(svga
->swc
,
205 ss
->lod_bias
, /* float */
210 max_lod
); /* float */
213 svga_context_flush(svga
, NULL
);
219 svga_create_sampler_state(struct pipe_context
*pipe
,
220 const struct pipe_sampler_state
*sampler
)
222 struct svga_context
*svga
= svga_context(pipe
);
223 struct svga_sampler_state
*cso
= CALLOC_STRUCT( svga_sampler_state
);
228 cso
->mipfilter
= translate_mip_filter(sampler
->min_mip_filter
);
229 cso
->magfilter
= translate_img_filter( sampler
->mag_img_filter
);
230 cso
->minfilter
= translate_img_filter( sampler
->min_img_filter
);
231 cso
->aniso_level
= MAX2( sampler
->max_anisotropy
, 1 );
232 if(sampler
->max_anisotropy
)
233 cso
->magfilter
= cso
->minfilter
= SVGA3D_TEX_FILTER_ANISOTROPIC
;
234 cso
->lod_bias
= sampler
->lod_bias
;
235 cso
->addressu
= translate_wrap_mode(sampler
->wrap_s
);
236 cso
->addressv
= translate_wrap_mode(sampler
->wrap_t
);
237 cso
->addressw
= translate_wrap_mode(sampler
->wrap_r
);
238 cso
->normalized_coords
= sampler
->normalized_coords
;
239 cso
->compare_mode
= sampler
->compare_mode
;
240 cso
->compare_func
= sampler
->compare_func
;
243 uint32 r
= float_to_ubyte(sampler
->border_color
.f
[0]);
244 uint32 g
= float_to_ubyte(sampler
->border_color
.f
[1]);
245 uint32 b
= float_to_ubyte(sampler
->border_color
.f
[2]);
246 uint32 a
= float_to_ubyte(sampler
->border_color
.f
[3]);
248 cso
->bordercolor
= (a
<< 24) | (r
<< 16) | (g
<< 8) | b
;
251 /* No SVGA3D support for:
252 * - min/max LOD clamping
255 cso
->view_min_lod
= MAX2((int) (sampler
->min_lod
+ 0.5), 0);
256 cso
->view_max_lod
= MAX2((int) (sampler
->max_lod
+ 0.5), 0);
259 if (svga
->debug
.use_min_mipmap
) {
260 if (cso
->view_min_lod
== cso
->view_max_lod
) {
261 cso
->min_lod
= cso
->view_min_lod
;
262 cso
->view_min_lod
= 0;
263 cso
->view_max_lod
= 1000; /* Just a high number */
264 cso
->mipfilter
= SVGA3D_TEX_FILTER_NONE
;
268 if (svga_have_vgpu10(svga
)) {
269 define_sampler_state_object(svga
, cso
, sampler
);
272 SVGA_DBG(DEBUG_VIEWS
, "min %u, view(min %u, max %u) lod, mipfilter %s\n",
273 cso
->min_lod
, cso
->view_min_lod
, cso
->view_max_lod
,
274 cso
->mipfilter
== SVGA3D_TEX_FILTER_NONE
? "SVGA3D_TEX_FILTER_NONE" : "SOMETHING");
276 svga
->hud
.num_sampler_objects
++;
282 svga_bind_sampler_states(struct pipe_context
*pipe
,
288 struct svga_context
*svga
= svga_context(pipe
);
290 boolean any_change
= FALSE
;
292 assert(shader
< PIPE_SHADER_TYPES
);
293 assert(start
+ num
<= PIPE_MAX_SAMPLERS
);
295 /* Pre-VGPU10 only supports FS textures */
296 if (!svga_have_vgpu10(svga
) && shader
!= PIPE_SHADER_FRAGMENT
)
299 for (i
= 0; i
< num
; i
++) {
300 if (svga
->curr
.sampler
[shader
][start
+ i
] != samplers
[i
])
302 svga
->curr
.sampler
[shader
][start
+ i
] = samplers
[i
];
309 /* find highest non-null sampler[] entry */
311 unsigned j
= MAX2(svga
->curr
.num_samplers
[shader
], start
+ num
);
312 while (j
> 0 && svga
->curr
.sampler
[shader
][j
- 1] == NULL
)
314 svga
->curr
.num_samplers
[shader
] = j
;
317 svga
->dirty
|= SVGA_NEW_SAMPLER
;
321 static void svga_delete_sampler_state(struct pipe_context
*pipe
,
324 struct svga_sampler_state
*ss
= (struct svga_sampler_state
*) sampler
;
325 struct svga_context
*svga
= svga_context(pipe
);
327 if (svga_have_vgpu10(svga
)) {
330 svga_hwtnl_flush_retry(svga
);
332 ret
= SVGA3D_vgpu10_DestroySamplerState(svga
->swc
, ss
->id
);
333 if (ret
!= PIPE_OK
) {
334 svga_context_flush(svga
, NULL
);
335 ret
= SVGA3D_vgpu10_DestroySamplerState(svga
->swc
, ss
->id
);
337 util_bitmask_clear(svga
->sampler_object_id_bm
, ss
->id
);
341 svga
->hud
.num_sampler_objects
--;
345 static struct pipe_sampler_view
*
346 svga_create_sampler_view(struct pipe_context
*pipe
,
347 struct pipe_resource
*texture
,
348 const struct pipe_sampler_view
*templ
)
350 struct svga_context
*svga
= svga_context(pipe
);
351 struct svga_pipe_sampler_view
*sv
= CALLOC_STRUCT(svga_pipe_sampler_view
);
358 sv
->base
.reference
.count
= 1;
359 sv
->base
.texture
= NULL
;
360 pipe_resource_reference(&sv
->base
.texture
, texture
);
362 sv
->base
.context
= pipe
;
363 sv
->id
= SVGA3D_INVALID_ID
;
365 svga
->hud
.num_samplerview_objects
++;
372 svga_sampler_view_destroy(struct pipe_context
*pipe
,
373 struct pipe_sampler_view
*view
)
375 struct svga_context
*svga
= svga_context(pipe
);
376 struct svga_pipe_sampler_view
*sv
= svga_pipe_sampler_view(view
);
378 if (svga_have_vgpu10(svga
) && sv
->id
!= SVGA3D_INVALID_ID
) {
379 if (view
->context
!= pipe
) {
380 /* The SVGA3D device will generate an error (and on Linux, cause
381 * us to abort) if we try to destroy a shader resource view from
382 * a context other than the one it was created with. Skip the
383 * SVGA3D_vgpu10_DestroyShaderResourceView() and leak the sampler
384 * view for now. This should only sometimes happen when a shared
385 * texture is deleted.
387 _debug_printf("context mismatch in %s\n", __func__
);
392 svga_hwtnl_flush_retry(svga
); /* XXX is this needed? */
394 ret
= SVGA3D_vgpu10_DestroyShaderResourceView(svga
->swc
, sv
->id
);
395 if (ret
!= PIPE_OK
) {
396 svga_context_flush(svga
, NULL
);
397 ret
= SVGA3D_vgpu10_DestroyShaderResourceView(svga
->swc
, sv
->id
);
399 util_bitmask_clear(svga
->sampler_view_id_bm
, sv
->id
);
403 pipe_resource_reference(&sv
->base
.texture
, NULL
);
406 svga
->hud
.num_samplerview_objects
--;
410 svga_set_sampler_views(struct pipe_context
*pipe
,
414 struct pipe_sampler_view
**views
)
416 struct svga_context
*svga
= svga_context(pipe
);
417 unsigned flag_1d
= 0;
418 unsigned flag_srgb
= 0;
420 boolean any_change
= FALSE
;
422 assert(shader
< PIPE_SHADER_TYPES
);
423 assert(start
+ num
<= Elements(svga
->curr
.sampler_views
[shader
]));
425 /* Pre-VGPU10 only supports FS textures */
426 if (!svga_have_vgpu10(svga
) && shader
!= PIPE_SHADER_FRAGMENT
)
429 for (i
= 0; i
< num
; i
++) {
430 if (svga
->curr
.sampler_views
[shader
][start
+ i
] != views
[i
]) {
431 /* Note: we're using pipe_sampler_view_release() here to work around
432 * a possible crash when the old view belongs to another context that
433 * was already destroyed.
435 pipe_sampler_view_release(pipe
, &svga
->curr
.sampler_views
[shader
][start
+ i
]);
436 pipe_sampler_view_reference(&svga
->curr
.sampler_views
[shader
][start
+ i
],
444 if (util_format_is_srgb(views
[i
]->format
))
445 flag_srgb
|= 1 << (start
+ i
);
447 if (views
[i
]->texture
->target
== PIPE_TEXTURE_1D
)
448 flag_1d
|= 1 << (start
+ i
);
455 /* find highest non-null sampler_views[] entry */
457 unsigned j
= MAX2(svga
->curr
.num_sampler_views
[shader
], start
+ num
);
458 while (j
> 0 && svga
->curr
.sampler_views
[shader
][j
- 1] == NULL
)
460 svga
->curr
.num_sampler_views
[shader
] = j
;
463 svga
->dirty
|= SVGA_NEW_TEXTURE_BINDING
;
465 if (flag_srgb
!= svga
->curr
.tex_flags
.flag_srgb
||
466 flag_1d
!= svga
->curr
.tex_flags
.flag_1d
)
468 svga
->dirty
|= SVGA_NEW_TEXTURE_FLAGS
;
469 svga
->curr
.tex_flags
.flag_1d
= flag_1d
;
470 svga
->curr
.tex_flags
.flag_srgb
= flag_srgb
;
473 /* Check if any of the sampler view resources collide with the framebuffer
474 * color buffers or depth stencil resource. If so, enable the NEW_FRAME_BUFFER
475 * dirty bit so that emit_framebuffer can be invoked to create backed view
476 * for the conflicted surface view.
478 for (i
= 0; i
< svga
->curr
.framebuffer
.nr_cbufs
; i
++) {
479 if (svga
->curr
.framebuffer
.cbufs
[i
]) {
480 struct svga_surface
*s
= svga_surface(svga
->curr
.framebuffer
.cbufs
[i
]);
481 if (svga_check_sampler_view_resource_collision(svga
, s
->handle
, shader
)) {
482 svga
->dirty
|= SVGA_NEW_FRAME_BUFFER
;
488 if (svga
->curr
.framebuffer
.zsbuf
) {
489 struct svga_surface
*s
= svga_surface(svga
->curr
.framebuffer
.zsbuf
);
491 if (svga_check_sampler_view_resource_collision(svga
, s
->handle
, shader
)) {
492 svga
->dirty
|= SVGA_NEW_FRAME_BUFFER
;
499 void svga_init_sampler_functions( struct svga_context
*svga
)
501 svga
->pipe
.create_sampler_state
= svga_create_sampler_state
;
502 svga
->pipe
.bind_sampler_states
= svga_bind_sampler_states
;
503 svga
->pipe
.delete_sampler_state
= svga_delete_sampler_state
;
504 svga
->pipe
.set_sampler_views
= svga_set_sampler_views
;
505 svga
->pipe
.create_sampler_view
= svga_create_sampler_view
;
506 svga
->pipe
.sampler_view_destroy
= svga_sampler_view_destroy
;