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_format.h"
27 #include "util/u_memory.h"
28 #include "util/u_inlines.h"
29 #include "util/u_string.h"
30 #include "util/u_math.h"
32 #include "svga_winsys.h"
33 #include "svga_public.h"
34 #include "svga_context.h"
35 #include "svga_format.h"
36 #include "svga_screen.h"
37 #include "svga_resource_texture.h"
38 #include "svga_resource.h"
39 #include "svga_debug.h"
41 #include "svga3d_shaderdefs.h"
47 static const struct debug_named_value svga_debug_flags
[] = {
48 { "dma", DEBUG_DMA
, NULL
},
49 { "tgsi", DEBUG_TGSI
, NULL
},
50 { "pipe", DEBUG_PIPE
, NULL
},
51 { "state", DEBUG_STATE
, NULL
},
52 { "screen", DEBUG_SCREEN
, NULL
},
53 { "tex", DEBUG_TEX
, NULL
},
54 { "swtnl", DEBUG_SWTNL
, NULL
},
55 { "const", DEBUG_CONSTS
, NULL
},
56 { "viewport", DEBUG_VIEWPORT
, NULL
},
57 { "views", DEBUG_VIEWS
, NULL
},
58 { "perf", DEBUG_PERF
, NULL
},
59 { "flush", DEBUG_FLUSH
, NULL
},
60 { "sync", DEBUG_SYNC
, NULL
},
61 { "cache", DEBUG_CACHE
, NULL
},
67 svga_get_vendor( struct pipe_screen
*pscreen
)
69 return "VMware, Inc.";
74 svga_get_name( struct pipe_screen
*pscreen
)
76 const char *build
= "", *llvm
= "", *mutex
= "";
77 static char name
[100];
79 /* Only return internal details in the DEBUG version:
81 build
= "build: DEBUG;";
82 mutex
= "mutex: " PIPE_ATOMIC
";";
87 build
= "build: RELEASE;";
90 util_snprintf(name
, sizeof(name
), "SVGA3D; %s %s %s", build
, mutex
, llvm
);
98 svga_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
100 struct svga_screen
*svgascreen
= svga_screen(screen
);
101 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
102 SVGA3dDevCapResult result
;
105 case PIPE_CAPF_MAX_LINE_WIDTH
:
106 return svgascreen
->maxLineWidth
;
107 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
108 return svgascreen
->maxLineWidthAA
;
110 case PIPE_CAPF_MAX_POINT_WIDTH
:
112 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
113 return svgascreen
->maxPointSize
;
115 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
116 if(!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY
, &result
))
118 return (float) result
.u
;
120 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
122 case PIPE_CAPF_GUARD_BAND_LEFT
:
123 case PIPE_CAPF_GUARD_BAND_TOP
:
124 case PIPE_CAPF_GUARD_BAND_RIGHT
:
125 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
129 debug_printf("Unexpected PIPE_CAPF_ query %u\n", param
);
135 svga_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
137 struct svga_screen
*svgascreen
= svga_screen(screen
);
138 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
139 SVGA3dDevCapResult result
;
142 case PIPE_CAP_NPOT_TEXTURES
:
143 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
145 case PIPE_CAP_TWO_SIDED_STENCIL
:
147 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
149 case PIPE_CAP_ANISOTROPIC_FILTER
:
151 case PIPE_CAP_POINT_SPRITE
:
153 case PIPE_CAP_TGSI_TEXCOORD
:
155 case PIPE_CAP_MAX_RENDER_TARGETS
:
156 return svgascreen
->max_color_buffers
;
157 case PIPE_CAP_OCCLUSION_QUERY
:
159 case PIPE_CAP_QUERY_TIME_ELAPSED
:
161 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
163 case PIPE_CAP_TEXTURE_SWIZZLE
:
165 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
167 case PIPE_CAP_USER_VERTEX_BUFFERS
:
168 case PIPE_CAP_USER_INDEX_BUFFERS
:
170 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
172 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
175 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
177 unsigned levels
= SVGA_MAX_TEXTURE_LEVELS
;
178 if (sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH
, &result
))
179 levels
= MIN2(util_logbase2(result
.u
) + 1, levels
);
181 levels
= 12 /* 2048x2048 */;
182 if (sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT
, &result
))
183 levels
= MIN2(util_logbase2(result
.u
) + 1, levels
);
185 levels
= 12 /* 2048x2048 */;
189 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
190 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VOLUME_EXTENT
, &result
))
191 return 8; /* max 128x128x128 */
192 return MIN2(util_logbase2(result
.u
) + 1, SVGA_MAX_TEXTURE_LEVELS
);
194 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
196 * No mechanism to query the host, and at least limited to 2048x2048 on
199 return MIN2(screen
->get_param(screen
, PIPE_CAP_MAX_TEXTURE_2D_LEVELS
),
202 case PIPE_CAP_BLEND_EQUATION_SEPARATE
: /* req. for GL 1.5 */
205 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
207 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
209 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
211 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
214 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
215 return 1; /* The color outputs of vertex shaders are not clamped */
216 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
217 return 0; /* The driver can't clamp vertex colors */
218 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
219 return 0; /* The driver can't clamp fragment colors */
221 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
222 return 1; /* expected for GL_ARB_framebuffer_object */
224 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
227 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
233 /* Unsupported features */
234 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
235 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
236 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
237 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
238 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
239 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
240 case PIPE_CAP_INDEP_BLEND_ENABLE
:
241 case PIPE_CAP_INDEP_BLEND_FUNC
:
242 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
243 case PIPE_CAP_PRIMITIVE_RESTART
:
244 case PIPE_CAP_TGSI_INSTANCEID
:
245 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
246 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
247 case PIPE_CAP_MIN_TEXEL_OFFSET
:
248 case PIPE_CAP_MAX_TEXEL_OFFSET
:
249 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
250 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
251 case PIPE_CAP_CONDITIONAL_RENDER
:
252 case PIPE_CAP_TEXTURE_BARRIER
:
253 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
254 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
255 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
256 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
257 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
258 case PIPE_CAP_MAX_VERTEX_STREAMS
:
259 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
260 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
261 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
262 case PIPE_CAP_COMPUTE
:
263 case PIPE_CAP_START_INSTANCE
:
264 case PIPE_CAP_QUERY_TIMESTAMP
:
265 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
266 case PIPE_CAP_CUBE_MAP_ARRAY
:
267 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
268 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
269 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
270 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
271 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
272 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
273 case PIPE_CAP_TEXTURE_GATHER_SM5
:
274 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
275 case PIPE_CAP_FAKE_SW_MSAA
:
276 case PIPE_CAP_TEXTURE_QUERY_LOD
:
277 case PIPE_CAP_SAMPLE_SHADING
:
278 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
279 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
280 case PIPE_CAP_DRAW_INDIRECT
:
282 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
284 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
286 case PIPE_CAP_MAX_VIEWPORTS
:
288 case PIPE_CAP_ENDIANNESS
:
289 return PIPE_ENDIAN_LITTLE
;
292 debug_printf("Unexpected PIPE_CAP_ query %u\n", param
);
296 static int svga_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
298 struct svga_screen
*svgascreen
= svga_screen(screen
);
299 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
300 SVGA3dDevCapResult result
;
304 case PIPE_SHADER_FRAGMENT
:
307 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
308 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
309 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
310 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
312 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
313 return SVGA3D_MAX_NESTING_LEVEL
;
314 case PIPE_SHADER_CAP_MAX_INPUTS
:
316 case PIPE_SHADER_CAP_MAX_CONSTS
:
318 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
320 case PIPE_SHADER_CAP_MAX_TEMPS
:
321 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS
, &result
))
323 return MIN2(result
.u
, SVGA3D_TEMPREG_MAX
);
324 case PIPE_SHADER_CAP_MAX_ADDRS
:
325 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
327 * Although PS 3.0 has some addressing abilities it can only represent
328 * loops that can be statically determined and unrolled. Given we can
329 * only handle a subset of the cases that the state tracker already
330 * does it is better to defer loop unrolling to the state tracker.
333 case PIPE_SHADER_CAP_MAX_PREDS
:
335 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
337 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
339 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
340 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
341 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
343 case PIPE_SHADER_CAP_SUBROUTINES
:
345 case PIPE_SHADER_CAP_INTEGERS
:
347 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
348 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
350 case PIPE_SHADER_CAP_PREFERRED_IR
:
351 return PIPE_SHADER_IR_TGSI
;
352 case PIPE_SHADER_CAP_DOUBLES
:
355 /* If we get here, we failed to handle a cap above */
356 debug_printf("Unexpected fragment shader query %u\n", param
);
358 case PIPE_SHADER_VERTEX
:
361 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
362 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
363 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS
, &result
))
366 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
367 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
368 /* XXX: until we have vertex texture support */
370 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
371 return SVGA3D_MAX_NESTING_LEVEL
;
372 case PIPE_SHADER_CAP_MAX_INPUTS
:
374 case PIPE_SHADER_CAP_MAX_CONSTS
:
376 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
378 case PIPE_SHADER_CAP_MAX_TEMPS
:
379 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS
, &result
))
381 return MIN2(result
.u
, SVGA3D_TEMPREG_MAX
);
382 case PIPE_SHADER_CAP_MAX_ADDRS
:
384 case PIPE_SHADER_CAP_MAX_PREDS
:
386 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
388 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
390 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
391 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
393 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
395 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
397 case PIPE_SHADER_CAP_SUBROUTINES
:
399 case PIPE_SHADER_CAP_INTEGERS
:
401 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
402 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
404 case PIPE_SHADER_CAP_PREFERRED_IR
:
405 return PIPE_SHADER_IR_TGSI
;
406 case PIPE_SHADER_CAP_DOUBLES
:
409 /* If we get here, we failed to handle a cap above */
410 debug_printf("Unexpected vertex shader query %u\n", param
);
412 case PIPE_SHADER_GEOMETRY
:
413 case PIPE_SHADER_COMPUTE
:
414 /* no support for geometry or compute shaders at this time */
417 debug_printf("Unexpected shader type (%u) query\n", shader
);
425 * Implemnt pipe_screen::is_format_supported().
426 * \param bindings bitmask of PIPE_BIND_x flags
429 svga_is_format_supported( struct pipe_screen
*screen
,
430 enum pipe_format format
,
431 enum pipe_texture_target target
,
432 unsigned sample_count
,
435 struct svga_screen
*ss
= svga_screen(screen
);
436 SVGA3dSurfaceFormat svga_format
;
437 SVGA3dSurfaceFormatCaps caps
;
438 SVGA3dSurfaceFormatCaps mask
;
442 if (sample_count
> 1) {
446 svga_format
= svga_translate_format(ss
, format
, bindings
);
447 if (svga_format
== SVGA3D_FORMAT_INVALID
) {
452 * Override host capabilities, so that we end up with the same
453 * visuals for all virtual hardware implementations.
456 if (bindings
& PIPE_BIND_DISPLAY_TARGET
) {
457 switch (svga_format
) {
458 case SVGA3D_A8R8G8B8
:
459 case SVGA3D_X8R8G8B8
:
463 /* Often unsupported/problematic. This means we end up with the same
464 * visuals for all virtual hardware implementations.
466 case SVGA3D_A4R4G4B4
:
467 case SVGA3D_A1R5G5B5
:
476 * Query the host capabilities.
479 svga_get_format_cap(ss
, svga_format
, &caps
);
482 if (bindings
& PIPE_BIND_RENDER_TARGET
) {
483 mask
.offscreenRenderTarget
= 1;
485 if (bindings
& PIPE_BIND_DEPTH_STENCIL
) {
488 if (bindings
& PIPE_BIND_SAMPLER_VIEW
) {
492 if (target
== PIPE_TEXTURE_CUBE
) {
493 mask
.cubeTexture
= 1;
495 if (target
== PIPE_TEXTURE_3D
) {
496 mask
.volumeTexture
= 1;
499 return (caps
.value
& mask
.value
) == mask
.value
;
504 svga_fence_reference(struct pipe_screen
*screen
,
505 struct pipe_fence_handle
**ptr
,
506 struct pipe_fence_handle
*fence
)
508 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
509 sws
->fence_reference(sws
, ptr
, fence
);
514 svga_fence_signalled(struct pipe_screen
*screen
,
515 struct pipe_fence_handle
*fence
)
517 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
518 return sws
->fence_signalled(sws
, fence
, 0) == 0;
523 svga_fence_finish(struct pipe_screen
*screen
,
524 struct pipe_fence_handle
*fence
,
527 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
529 SVGA_DBG(DEBUG_DMA
|DEBUG_PERF
, "%s fence_ptr %p\n",
530 __FUNCTION__
, fence
);
532 return sws
->fence_finish(sws
, fence
, 0) == 0;
537 svga_get_driver_query_info(struct pipe_screen
*screen
,
539 struct pipe_driver_query_info
*info
)
541 static const struct pipe_driver_query_info queries
[] = {
542 {"draw-calls", SVGA_QUERY_DRAW_CALLS
, 0, FALSE
},
543 {"fallbacks", SVGA_QUERY_FALLBACKS
, 0, FALSE
},
544 {"memory-used", SVGA_QUERY_MEMORY_USED
, 0, TRUE
}
548 return Elements(queries
);
550 if (index
>= Elements(queries
))
553 *info
= queries
[index
];
559 svga_destroy_screen( struct pipe_screen
*screen
)
561 struct svga_screen
*svgascreen
= svga_screen(screen
);
563 svga_screen_cache_cleanup(svgascreen
);
565 pipe_mutex_destroy(svgascreen
->swc_mutex
);
566 pipe_mutex_destroy(svgascreen
->tex_mutex
);
568 svgascreen
->sws
->destroy(svgascreen
->sws
);
575 * Create a new svga_screen object
578 svga_screen_create(struct svga_winsys_screen
*sws
)
580 struct svga_screen
*svgascreen
;
581 struct pipe_screen
*screen
;
582 SVGA3dDevCapResult result
;
583 boolean use_vs30
, use_ps30
;
586 SVGA_DEBUG
= debug_get_flags_option("SVGA_DEBUG", svga_debug_flags
, 0 );
589 svgascreen
= CALLOC_STRUCT(svga_screen
);
593 svgascreen
->debug
.force_level_surface_view
=
594 debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE
);
595 svgascreen
->debug
.force_surface_view
=
596 debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE
);
597 svgascreen
->debug
.force_sampler_view
=
598 debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE
);
599 svgascreen
->debug
.no_surface_view
=
600 debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE
);
601 svgascreen
->debug
.no_sampler_view
=
602 debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE
);
604 screen
= &svgascreen
->screen
;
606 screen
->destroy
= svga_destroy_screen
;
607 screen
->get_name
= svga_get_name
;
608 screen
->get_vendor
= svga_get_vendor
;
609 screen
->get_param
= svga_get_param
;
610 screen
->get_shader_param
= svga_get_shader_param
;
611 screen
->get_paramf
= svga_get_paramf
;
612 screen
->is_format_supported
= svga_is_format_supported
;
613 screen
->context_create
= svga_context_create
;
614 screen
->fence_reference
= svga_fence_reference
;
615 screen
->fence_signalled
= svga_fence_signalled
;
616 screen
->fence_finish
= svga_fence_finish
;
617 screen
->get_driver_query_info
= svga_get_driver_query_info
;
618 svgascreen
->sws
= sws
;
620 svga_init_screen_resource_functions(svgascreen
);
622 if (sws
->get_hw_version
) {
623 svgascreen
->hw_version
= sws
->get_hw_version(sws
);
625 svgascreen
->hw_version
= SVGA3D_HWVERSION_WS65_B1
;
629 sws
->get_cap(sws
, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION
, &result
) &&
630 result
.u
>= SVGA3DPSVERSION_30
? TRUE
: FALSE
;
633 sws
->get_cap(sws
, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION
, &result
) &&
634 result
.u
>= SVGA3DVSVERSION_30
? TRUE
: FALSE
;
636 /* we require Shader model 3.0 or later */
637 if (!use_ps30
|| !use_vs30
)
641 * The D16, D24X8, and D24S8 formats always do an implicit shadow compare
642 * when sampled from, where as the DF16, DF24, and D24S8_INT do not. So
643 * we prefer the later when available.
645 * This mimics hardware vendors extensions for D3D depth sampling. See also
646 * http://aras-p.info/texts/D3D9GPUHacks.html
650 boolean has_df16
, has_df24
, has_d24s8_int
;
651 SVGA3dSurfaceFormatCaps caps
;
652 SVGA3dSurfaceFormatCaps mask
;
657 svgascreen
->depth
.z16
= SVGA3D_Z_D16
;
658 svgascreen
->depth
.x8z24
= SVGA3D_Z_D24X8
;
659 svgascreen
->depth
.s8z24
= SVGA3D_Z_D24S8
;
661 svga_get_format_cap(svgascreen
, SVGA3D_Z_DF16
, &caps
);
662 has_df16
= (caps
.value
& mask
.value
) == mask
.value
;
664 svga_get_format_cap(svgascreen
, SVGA3D_Z_DF24
, &caps
);
665 has_df24
= (caps
.value
& mask
.value
) == mask
.value
;
667 svga_get_format_cap(svgascreen
, SVGA3D_Z_D24S8_INT
, &caps
);
668 has_d24s8_int
= (caps
.value
& mask
.value
) == mask
.value
;
670 /* XXX: We might want some other logic here.
671 * Like if we only have d24s8_int we should
672 * emulate the other formats with that.
675 svgascreen
->depth
.z16
= SVGA3D_Z_DF16
;
678 svgascreen
->depth
.x8z24
= SVGA3D_Z_DF24
;
681 svgascreen
->depth
.s8z24
= SVGA3D_Z_D24S8_INT
;
687 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_LINE_STIPPLE
, &result
))
688 svgascreen
->haveLineStipple
= FALSE
;
690 svgascreen
->haveLineStipple
= result
.u
;
692 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_LINE_AA
, &result
))
693 svgascreen
->haveLineSmooth
= FALSE
;
695 svgascreen
->haveLineSmooth
= result
.u
;
697 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_LINE_WIDTH
, &result
))
698 svgascreen
->maxLineWidth
= 1.0F
;
700 svgascreen
->maxLineWidth
= result
.f
;
702 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_AA_LINE_WIDTH
, &result
))
703 svgascreen
->maxLineWidthAA
= 1.0F
;
705 svgascreen
->maxLineWidthAA
= result
.f
;
708 debug_printf("svga: haveLineStip %u "
709 "haveLineSmooth %u maxLineWidth %f\n",
710 svgascreen
->haveLineStipple
, svgascreen
->haveLineSmooth
,
711 svgascreen
->maxLineWidth
);
713 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_POINT_SIZE
, &result
)) {
714 svgascreen
->maxPointSize
= 1.0F
;
716 /* Keep this to a reasonable size to avoid failures in
719 svgascreen
->maxPointSize
= MIN2(result
.f
, 80.0f
);
722 /* The SVGA3D device always supports 4 targets at this time, regardless
723 * of what querying SVGA3D_DEVCAP_MAX_RENDER_TARGETS might return.
725 svgascreen
->max_color_buffers
= 4;
727 pipe_mutex_init(svgascreen
->tex_mutex
);
728 pipe_mutex_init(svgascreen
->swc_mutex
);
730 svga_screen_cache_init(svgascreen
);
739 struct svga_winsys_screen
*
740 svga_winsys_screen(struct pipe_screen
*screen
)
742 return svga_screen(screen
)->sws
;
747 svga_screen(struct pipe_screen
*screen
)
750 assert(screen
->destroy
== svga_destroy_screen
);
751 return (struct svga_screen
*)screen
;