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 "util/u_memory.h"
27 #include "util/u_inlines.h"
28 #include "util/u_string.h"
29 #include "util/u_math.h"
31 #include "svga_winsys.h"
32 #include "svga_public.h"
33 #include "svga_context.h"
34 #include "svga_format.h"
35 #include "svga_screen.h"
36 #include "svga_resource_texture.h"
37 #include "svga_resource.h"
38 #include "svga_debug.h"
40 #include "svga3d_shaderdefs.h"
46 static const struct debug_named_value svga_debug_flags
[] = {
47 { "dma", DEBUG_DMA
, NULL
},
48 { "tgsi", DEBUG_TGSI
, NULL
},
49 { "pipe", DEBUG_PIPE
, NULL
},
50 { "state", DEBUG_STATE
, NULL
},
51 { "screen", DEBUG_SCREEN
, NULL
},
52 { "tex", DEBUG_TEX
, NULL
},
53 { "swtnl", DEBUG_SWTNL
, NULL
},
54 { "const", DEBUG_CONSTS
, NULL
},
55 { "viewport", DEBUG_VIEWPORT
, NULL
},
56 { "views", DEBUG_VIEWS
, NULL
},
57 { "perf", DEBUG_PERF
, NULL
},
58 { "flush", DEBUG_FLUSH
, NULL
},
59 { "sync", DEBUG_SYNC
, NULL
},
60 { "cache", DEBUG_CACHE
, NULL
},
66 svga_get_vendor( struct pipe_screen
*pscreen
)
68 return "VMware, Inc.";
73 svga_get_name( struct pipe_screen
*pscreen
)
75 const char *build
= "", *llvm
= "", *mutex
= "";
76 static char name
[100];
78 /* Only return internal details in the DEBUG version:
80 build
= "build: DEBUG;";
81 mutex
= "mutex: " PIPE_ATOMIC
";";
86 build
= "build: RELEASE;";
89 util_snprintf(name
, sizeof(name
), "SVGA3D; %s %s %s", build
, mutex
, llvm
);
97 svga_get_paramf(struct pipe_screen
*screen
, enum pipe_cap param
)
99 struct svga_screen
*svgascreen
= svga_screen(screen
);
100 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
101 SVGA3dDevCapResult result
;
104 case PIPE_CAP_MAX_LINE_WIDTH
:
106 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
109 case PIPE_CAP_MAX_POINT_WIDTH
:
111 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
112 /* Keep this to a reasonable size to avoid failures in
115 return SVGA_MAX_POINTSIZE
;
117 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
118 if(!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY
, &result
))
122 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
125 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
127 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
129 case PIPE_CAP_NPOT_TEXTURES
:
131 case PIPE_CAP_TWO_SIDED_STENCIL
:
134 return svgascreen
->use_ps30
&& svgascreen
->use_vs30
;
135 case PIPE_CAP_ANISOTROPIC_FILTER
:
137 case PIPE_CAP_POINT_SPRITE
:
139 case PIPE_CAP_MAX_RENDER_TARGETS
:
140 if(!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_RENDER_TARGETS
, &result
))
144 return MIN2(result
.u
, PIPE_MAX_COLOR_BUFS
);
145 case PIPE_CAP_OCCLUSION_QUERY
:
147 case PIPE_CAP_TIMER_QUERY
:
149 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
151 case PIPE_CAP_TEXTURE_SWIZZLE
:
154 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
156 unsigned levels
= SVGA_MAX_TEXTURE_LEVELS
;
157 if (sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH
, &result
))
158 levels
= MIN2(util_logbase2(result
.u
) + 1, levels
);
160 levels
= 12 /* 2048x2048 */;
161 if (sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT
, &result
))
162 levels
= MIN2(util_logbase2(result
.u
) + 1, levels
);
164 levels
= 12 /* 2048x2048 */;
168 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
169 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VOLUME_EXTENT
, &result
))
170 return 8; /* max 128x128x128 */
171 return MIN2(util_logbase2(result
.u
) + 1, SVGA_MAX_TEXTURE_LEVELS
);
173 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
175 * No mechanism to query the host, and at least limited to 2048x2048 on
178 return MIN2(screen
->get_paramf(screen
, PIPE_CAP_MAX_TEXTURE_2D_LEVELS
),
179 12.0 /* 2048x2048 */);
181 case PIPE_CAP_BLEND_EQUATION_SEPARATE
: /* req. for GL 1.5 */
184 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
185 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
187 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
188 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
191 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
193 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
202 /* This is a fairly pointless interface
205 svga_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
207 return (int) svga_get_paramf( screen
, param
);
210 static int svga_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
212 struct svga_screen
*svgascreen
= svga_screen(screen
);
213 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
214 SVGA3dDevCapResult result
;
218 case PIPE_SHADER_FRAGMENT
:
221 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
222 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
223 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
224 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
225 return svgascreen
->use_ps30
? 512 : 96;
226 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
227 return SVGA3D_MAX_NESTING_LEVEL
;
228 case PIPE_SHADER_CAP_MAX_INPUTS
:
230 case PIPE_SHADER_CAP_MAX_CONSTS
:
231 return svgascreen
->use_ps30
? 224 : 16;
232 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
234 case PIPE_SHADER_CAP_MAX_TEMPS
:
235 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS
, &result
))
236 return svgascreen
->use_ps30
? 32 : 12;
238 case PIPE_SHADER_CAP_MAX_ADDRS
:
239 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
241 * Although PS 3.0 has some addressing abilities it can only represent
242 * loops that can be statically determined and unrolled. Given we can
243 * only handle a subset of the cases that the state tracker already
244 * does it is better to defer loop unrolling to the state tracker.
247 case PIPE_SHADER_CAP_MAX_PREDS
:
248 return svgascreen
->use_ps30
? 1 : 0;
249 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
251 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
252 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
253 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
255 case PIPE_SHADER_CAP_SUBROUTINES
:
257 case PIPE_SHADER_CAP_INTEGERS
:
261 case PIPE_SHADER_VERTEX
:
264 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
265 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
266 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS
, &result
))
267 return svgascreen
->use_vs30
? 512 : 256;
269 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
270 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
271 /* XXX: until we have vertex texture support */
273 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
274 return SVGA3D_MAX_NESTING_LEVEL
;
275 case PIPE_SHADER_CAP_MAX_INPUTS
:
277 case PIPE_SHADER_CAP_MAX_CONSTS
:
279 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
281 case PIPE_SHADER_CAP_MAX_TEMPS
:
282 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS
, &result
))
283 return svgascreen
->use_vs30
? 32 : 12;
285 case PIPE_SHADER_CAP_MAX_ADDRS
:
286 return svgascreen
->use_vs30
? 1 : 0;
287 case PIPE_SHADER_CAP_MAX_PREDS
:
288 return svgascreen
->use_vs30
? 1 : 0;
289 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
291 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
292 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
293 return svgascreen
->use_vs30
? 1 : 0;
294 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
296 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
298 case PIPE_SHADER_CAP_SUBROUTINES
:
300 case PIPE_SHADER_CAP_INTEGERS
:
314 svga_is_format_supported( struct pipe_screen
*screen
,
315 enum pipe_format format
,
316 enum pipe_texture_target target
,
317 unsigned sample_count
,
320 struct svga_screen
*ss
= svga_screen(screen
);
321 SVGA3dSurfaceFormat svga_format
;
322 SVGA3dSurfaceFormatCaps caps
;
323 SVGA3dSurfaceFormatCaps mask
;
327 if (sample_count
> 1) {
331 svga_format
= svga_translate_format(ss
, format
, tex_usage
);
332 if (svga_format
== SVGA3D_FORMAT_INVALID
) {
337 * Override host capabilities, so that we end up with the same
338 * visuals for all virtual hardware implementations.
341 if (tex_usage
& PIPE_BIND_DISPLAY_TARGET
) {
342 switch (svga_format
) {
343 case SVGA3D_A8R8G8B8
:
344 case SVGA3D_X8R8G8B8
:
348 /* Often unsupported/problematic. This means we end up with the same
349 * visuals for all virtual hardware implementations.
351 case PIPE_FORMAT_B4G4R4A4_UNORM
:
352 case PIPE_FORMAT_B5G5R5A1_UNORM
:
361 * Query the host capabilities.
364 svga_get_format_cap(ss
, svga_format
, &caps
);
367 if (tex_usage
& PIPE_BIND_RENDER_TARGET
) {
368 mask
.offscreenRenderTarget
= 1;
370 if (tex_usage
& PIPE_BIND_DEPTH_STENCIL
) {
373 if (tex_usage
& PIPE_BIND_SAMPLER_VIEW
) {
377 return (caps
.value
& mask
.value
) == mask
.value
;
382 svga_fence_reference(struct pipe_screen
*screen
,
383 struct pipe_fence_handle
**ptr
,
384 struct pipe_fence_handle
*fence
)
386 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
387 sws
->fence_reference(sws
, ptr
, fence
);
392 svga_fence_signalled(struct pipe_screen
*screen
,
393 struct pipe_fence_handle
*fence
)
395 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
396 return sws
->fence_signalled(sws
, fence
, 0) == 0;
401 svga_fence_finish(struct pipe_screen
*screen
,
402 struct pipe_fence_handle
*fence
,
405 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
407 SVGA_DBG(DEBUG_DMA
|DEBUG_PERF
, "%s fence_ptr %p\n",
408 __FUNCTION__
, fence
);
410 return sws
->fence_finish(sws
, fence
, 0) == 0;
415 svga_destroy_screen( struct pipe_screen
*screen
)
417 struct svga_screen
*svgascreen
= svga_screen(screen
);
419 svga_screen_cache_cleanup(svgascreen
);
421 pipe_mutex_destroy(svgascreen
->swc_mutex
);
422 pipe_mutex_destroy(svgascreen
->tex_mutex
);
424 svgascreen
->sws
->destroy(svgascreen
->sws
);
431 * Create a new svga_screen object
434 svga_screen_create(struct svga_winsys_screen
*sws
)
436 struct svga_screen
*svgascreen
;
437 struct pipe_screen
*screen
;
438 SVGA3dDevCapResult result
;
441 SVGA_DEBUG
= debug_get_flags_option("SVGA_DEBUG", svga_debug_flags
, 0 );
444 svgascreen
= CALLOC_STRUCT(svga_screen
);
448 svgascreen
->debug
.force_level_surface_view
=
449 debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE
);
450 svgascreen
->debug
.force_surface_view
=
451 debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE
);
452 svgascreen
->debug
.force_sampler_view
=
453 debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE
);
454 svgascreen
->debug
.no_surface_view
=
455 debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE
);
456 svgascreen
->debug
.no_sampler_view
=
457 debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE
);
459 screen
= &svgascreen
->screen
;
461 screen
->destroy
= svga_destroy_screen
;
462 screen
->get_name
= svga_get_name
;
463 screen
->get_vendor
= svga_get_vendor
;
464 screen
->get_param
= svga_get_param
;
465 screen
->get_shader_param
= svga_get_shader_param
;
466 screen
->get_paramf
= svga_get_paramf
;
467 screen
->is_format_supported
= svga_is_format_supported
;
468 screen
->context_create
= svga_context_create
;
469 screen
->fence_reference
= svga_fence_reference
;
470 screen
->fence_signalled
= svga_fence_signalled
;
471 screen
->fence_finish
= svga_fence_finish
;
472 svgascreen
->sws
= sws
;
474 svga_init_screen_resource_functions(svgascreen
);
476 if (sws
->get_hw_version
) {
477 svgascreen
->hw_version
= sws
->get_hw_version(sws
);
479 svgascreen
->hw_version
= SVGA3D_HWVERSION_WS65_B1
;
482 svgascreen
->use_ps30
=
483 sws
->get_cap(sws
, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION
, &result
) &&
484 result
.u
>= SVGA3DPSVERSION_30
? TRUE
: FALSE
;
486 svgascreen
->use_vs30
=
487 sws
->get_cap(sws
, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION
, &result
) &&
488 result
.u
>= SVGA3DVSVERSION_30
? TRUE
: FALSE
;
491 * The D16, D24X8, and D24S8 formats always do an implicit shadow compare
492 * when sampled from, where as the DF16, DF24, and D24S8_INT do not. So
493 * we prefer the later when available.
495 * This mimics hardware vendors extensions for D3D depth sampling. See also
496 * http://aras-p.info/texts/D3D9GPUHacks.html
500 boolean has_df16
, has_df24
, has_d24s8_int
;
501 SVGA3dSurfaceFormatCaps caps
;
502 SVGA3dSurfaceFormatCaps mask
;
507 svgascreen
->depth
.z16
= SVGA3D_Z_D16
;
508 svgascreen
->depth
.x8z24
= SVGA3D_Z_D24X8
;
509 svgascreen
->depth
.s8z24
= SVGA3D_Z_D24S8
;
511 svga_get_format_cap(svgascreen
, SVGA3D_Z_DF16
, &caps
);
512 has_df16
= (caps
.value
& mask
.value
) == mask
.value
;
514 svga_get_format_cap(svgascreen
, SVGA3D_Z_DF24
, &caps
);
515 has_df24
= (caps
.value
& mask
.value
) == mask
.value
;
517 svga_get_format_cap(svgascreen
, SVGA3D_Z_D24S8_INT
, &caps
);
518 has_d24s8_int
= (caps
.value
& mask
.value
) == mask
.value
;
520 /* XXX: We might want some other logic here.
521 * Like if we only have d24s8_int we should
522 * emulate the other formats with that.
525 svgascreen
->depth
.z16
= SVGA3D_Z_DF16
;
528 svgascreen
->depth
.x8z24
= SVGA3D_Z_DF24
;
531 svgascreen
->depth
.s8z24
= SVGA3D_Z_D24S8_INT
;
536 /* Shader model 2.0 is unsupported at the moment. */
537 if(!svgascreen
->use_ps30
|| !svgascreen
->use_vs30
)
540 if(debug_get_bool_option("SVGA_NO_SM30", FALSE
))
541 svgascreen
->use_vs30
= svgascreen
->use_ps30
= FALSE
;
544 pipe_mutex_init(svgascreen
->tex_mutex
);
545 pipe_mutex_init(svgascreen
->swc_mutex
);
547 svga_screen_cache_init(svgascreen
);
556 struct svga_winsys_screen
*
557 svga_winsys_screen(struct pipe_screen
*screen
)
559 return svga_screen(screen
)->sws
;
564 svga_screen(struct pipe_screen
*screen
)
567 assert(screen
->destroy
== svga_destroy_screen
);
568 return (struct svga_screen
*)screen
;