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
:
281 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
283 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
285 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
287 case PIPE_CAP_MAX_VIEWPORTS
:
289 case PIPE_CAP_ENDIANNESS
:
290 return PIPE_ENDIAN_LITTLE
;
292 case PIPE_CAP_VENDOR_ID
:
293 return 0x15ad; /* VMware Inc. */
294 case PIPE_CAP_DEVICE_ID
:
295 return 0x0405; /* assume SVGA II */
296 case PIPE_CAP_ACCELERATED
:
298 case PIPE_CAP_VIDEO_MEMORY
:
299 /* XXX: Query the host ? */
305 debug_printf("Unexpected PIPE_CAP_ query %u\n", param
);
309 static int svga_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
311 struct svga_screen
*svgascreen
= svga_screen(screen
);
312 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
313 SVGA3dDevCapResult result
;
317 case PIPE_SHADER_FRAGMENT
:
320 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
321 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
322 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
323 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
325 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
326 return SVGA3D_MAX_NESTING_LEVEL
;
327 case PIPE_SHADER_CAP_MAX_INPUTS
:
329 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
330 return 224 * sizeof(float[4]);
331 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
333 case PIPE_SHADER_CAP_MAX_TEMPS
:
334 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS
, &result
))
336 return MIN2(result
.u
, SVGA3D_TEMPREG_MAX
);
337 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
339 * Although PS 3.0 has some addressing abilities it can only represent
340 * loops that can be statically determined and unrolled. Given we can
341 * only handle a subset of the cases that the state tracker already
342 * does it is better to defer loop unrolling to the state tracker.
345 case PIPE_SHADER_CAP_MAX_PREDS
:
347 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
349 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
351 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
352 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
353 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
355 case PIPE_SHADER_CAP_SUBROUTINES
:
357 case PIPE_SHADER_CAP_INTEGERS
:
359 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
360 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
362 case PIPE_SHADER_CAP_PREFERRED_IR
:
363 return PIPE_SHADER_IR_TGSI
;
364 case PIPE_SHADER_CAP_DOUBLES
:
367 /* If we get here, we failed to handle a cap above */
368 debug_printf("Unexpected fragment shader query %u\n", param
);
370 case PIPE_SHADER_VERTEX
:
373 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
374 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
375 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS
, &result
))
378 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
379 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
380 /* XXX: until we have vertex texture support */
382 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
383 return SVGA3D_MAX_NESTING_LEVEL
;
384 case PIPE_SHADER_CAP_MAX_INPUTS
:
386 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
387 return 256 * sizeof(float[4]);
388 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
390 case PIPE_SHADER_CAP_MAX_TEMPS
:
391 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS
, &result
))
393 return MIN2(result
.u
, SVGA3D_TEMPREG_MAX
);
394 case PIPE_SHADER_CAP_MAX_PREDS
:
396 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
398 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
400 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
401 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
403 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
405 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
407 case PIPE_SHADER_CAP_SUBROUTINES
:
409 case PIPE_SHADER_CAP_INTEGERS
:
411 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
412 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
414 case PIPE_SHADER_CAP_PREFERRED_IR
:
415 return PIPE_SHADER_IR_TGSI
;
416 case PIPE_SHADER_CAP_DOUBLES
:
419 /* If we get here, we failed to handle a cap above */
420 debug_printf("Unexpected vertex shader query %u\n", param
);
422 case PIPE_SHADER_GEOMETRY
:
423 case PIPE_SHADER_COMPUTE
:
424 /* no support for geometry or compute shaders at this time */
427 debug_printf("Unexpected shader type (%u) query\n", shader
);
435 * Implemnt pipe_screen::is_format_supported().
436 * \param bindings bitmask of PIPE_BIND_x flags
439 svga_is_format_supported( struct pipe_screen
*screen
,
440 enum pipe_format format
,
441 enum pipe_texture_target target
,
442 unsigned sample_count
,
445 struct svga_screen
*ss
= svga_screen(screen
);
446 SVGA3dSurfaceFormat svga_format
;
447 SVGA3dSurfaceFormatCaps caps
;
448 SVGA3dSurfaceFormatCaps mask
;
452 if (sample_count
> 1) {
456 svga_format
= svga_translate_format(ss
, format
, bindings
);
457 if (svga_format
== SVGA3D_FORMAT_INVALID
) {
462 * Override host capabilities, so that we end up with the same
463 * visuals for all virtual hardware implementations.
466 if (bindings
& PIPE_BIND_DISPLAY_TARGET
) {
467 switch (svga_format
) {
468 case SVGA3D_A8R8G8B8
:
469 case SVGA3D_X8R8G8B8
:
473 /* Often unsupported/problematic. This means we end up with the same
474 * visuals for all virtual hardware implementations.
476 case SVGA3D_A4R4G4B4
:
477 case SVGA3D_A1R5G5B5
:
486 * Query the host capabilities.
489 svga_get_format_cap(ss
, svga_format
, &caps
);
492 if (bindings
& PIPE_BIND_RENDER_TARGET
) {
493 mask
.offscreenRenderTarget
= 1;
495 if (bindings
& PIPE_BIND_DEPTH_STENCIL
) {
498 if (bindings
& PIPE_BIND_SAMPLER_VIEW
) {
502 if (target
== PIPE_TEXTURE_CUBE
) {
503 mask
.cubeTexture
= 1;
505 if (target
== PIPE_TEXTURE_3D
) {
506 mask
.volumeTexture
= 1;
509 return (caps
.value
& mask
.value
) == mask
.value
;
514 svga_fence_reference(struct pipe_screen
*screen
,
515 struct pipe_fence_handle
**ptr
,
516 struct pipe_fence_handle
*fence
)
518 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
519 sws
->fence_reference(sws
, ptr
, fence
);
524 svga_fence_signalled(struct pipe_screen
*screen
,
525 struct pipe_fence_handle
*fence
)
527 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
528 return sws
->fence_signalled(sws
, fence
, 0) == 0;
533 svga_fence_finish(struct pipe_screen
*screen
,
534 struct pipe_fence_handle
*fence
,
537 struct svga_winsys_screen
*sws
= svga_screen(screen
)->sws
;
539 SVGA_DBG(DEBUG_DMA
|DEBUG_PERF
, "%s fence_ptr %p\n",
540 __FUNCTION__
, fence
);
542 return sws
->fence_finish(sws
, fence
, 0) == 0;
547 svga_get_driver_query_info(struct pipe_screen
*screen
,
549 struct pipe_driver_query_info
*info
)
551 static const struct pipe_driver_query_info queries
[] = {
552 {"draw-calls", SVGA_QUERY_DRAW_CALLS
, 0, FALSE
},
553 {"fallbacks", SVGA_QUERY_FALLBACKS
, 0, FALSE
},
554 {"memory-used", SVGA_QUERY_MEMORY_USED
, 0, TRUE
}
558 return Elements(queries
);
560 if (index
>= Elements(queries
))
563 *info
= queries
[index
];
569 svga_destroy_screen( struct pipe_screen
*screen
)
571 struct svga_screen
*svgascreen
= svga_screen(screen
);
573 svga_screen_cache_cleanup(svgascreen
);
575 pipe_mutex_destroy(svgascreen
->swc_mutex
);
576 pipe_mutex_destroy(svgascreen
->tex_mutex
);
578 svgascreen
->sws
->destroy(svgascreen
->sws
);
585 * Create a new svga_screen object
588 svga_screen_create(struct svga_winsys_screen
*sws
)
590 struct svga_screen
*svgascreen
;
591 struct pipe_screen
*screen
;
592 SVGA3dDevCapResult result
;
593 boolean use_vs30
, use_ps30
;
596 SVGA_DEBUG
= debug_get_flags_option("SVGA_DEBUG", svga_debug_flags
, 0 );
599 svgascreen
= CALLOC_STRUCT(svga_screen
);
603 svgascreen
->debug
.force_level_surface_view
=
604 debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE
);
605 svgascreen
->debug
.force_surface_view
=
606 debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE
);
607 svgascreen
->debug
.force_sampler_view
=
608 debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE
);
609 svgascreen
->debug
.no_surface_view
=
610 debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE
);
611 svgascreen
->debug
.no_sampler_view
=
612 debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE
);
614 screen
= &svgascreen
->screen
;
616 screen
->destroy
= svga_destroy_screen
;
617 screen
->get_name
= svga_get_name
;
618 screen
->get_vendor
= svga_get_vendor
;
619 screen
->get_param
= svga_get_param
;
620 screen
->get_shader_param
= svga_get_shader_param
;
621 screen
->get_paramf
= svga_get_paramf
;
622 screen
->is_format_supported
= svga_is_format_supported
;
623 screen
->context_create
= svga_context_create
;
624 screen
->fence_reference
= svga_fence_reference
;
625 screen
->fence_signalled
= svga_fence_signalled
;
626 screen
->fence_finish
= svga_fence_finish
;
627 screen
->get_driver_query_info
= svga_get_driver_query_info
;
628 svgascreen
->sws
= sws
;
630 svga_init_screen_resource_functions(svgascreen
);
632 if (sws
->get_hw_version
) {
633 svgascreen
->hw_version
= sws
->get_hw_version(sws
);
635 svgascreen
->hw_version
= SVGA3D_HWVERSION_WS65_B1
;
639 sws
->get_cap(sws
, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION
, &result
) &&
640 result
.u
>= SVGA3DPSVERSION_30
? TRUE
: FALSE
;
643 sws
->get_cap(sws
, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION
, &result
) &&
644 result
.u
>= SVGA3DVSVERSION_30
? TRUE
: FALSE
;
646 /* we require Shader model 3.0 or later */
647 if (!use_ps30
|| !use_vs30
)
651 * The D16, D24X8, and D24S8 formats always do an implicit shadow compare
652 * when sampled from, where as the DF16, DF24, and D24S8_INT do not. So
653 * we prefer the later when available.
655 * This mimics hardware vendors extensions for D3D depth sampling. See also
656 * http://aras-p.info/texts/D3D9GPUHacks.html
660 boolean has_df16
, has_df24
, has_d24s8_int
;
661 SVGA3dSurfaceFormatCaps caps
;
662 SVGA3dSurfaceFormatCaps mask
;
667 svgascreen
->depth
.z16
= SVGA3D_Z_D16
;
668 svgascreen
->depth
.x8z24
= SVGA3D_Z_D24X8
;
669 svgascreen
->depth
.s8z24
= SVGA3D_Z_D24S8
;
671 svga_get_format_cap(svgascreen
, SVGA3D_Z_DF16
, &caps
);
672 has_df16
= (caps
.value
& mask
.value
) == mask
.value
;
674 svga_get_format_cap(svgascreen
, SVGA3D_Z_DF24
, &caps
);
675 has_df24
= (caps
.value
& mask
.value
) == mask
.value
;
677 svga_get_format_cap(svgascreen
, SVGA3D_Z_D24S8_INT
, &caps
);
678 has_d24s8_int
= (caps
.value
& mask
.value
) == mask
.value
;
680 /* XXX: We might want some other logic here.
681 * Like if we only have d24s8_int we should
682 * emulate the other formats with that.
685 svgascreen
->depth
.z16
= SVGA3D_Z_DF16
;
688 svgascreen
->depth
.x8z24
= SVGA3D_Z_DF24
;
691 svgascreen
->depth
.s8z24
= SVGA3D_Z_D24S8_INT
;
697 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_LINE_STIPPLE
, &result
))
698 svgascreen
->haveLineStipple
= FALSE
;
700 svgascreen
->haveLineStipple
= result
.u
;
702 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_LINE_AA
, &result
))
703 svgascreen
->haveLineSmooth
= FALSE
;
705 svgascreen
->haveLineSmooth
= result
.u
;
707 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_LINE_WIDTH
, &result
))
708 svgascreen
->maxLineWidth
= 1.0F
;
710 svgascreen
->maxLineWidth
= result
.f
;
712 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_AA_LINE_WIDTH
, &result
))
713 svgascreen
->maxLineWidthAA
= 1.0F
;
715 svgascreen
->maxLineWidthAA
= result
.f
;
718 debug_printf("svga: haveLineStip %u "
719 "haveLineSmooth %u maxLineWidth %f\n",
720 svgascreen
->haveLineStipple
, svgascreen
->haveLineSmooth
,
721 svgascreen
->maxLineWidth
);
723 if (!sws
->get_cap(sws
, SVGA3D_DEVCAP_MAX_POINT_SIZE
, &result
)) {
724 svgascreen
->maxPointSize
= 1.0F
;
726 /* Keep this to a reasonable size to avoid failures in
729 svgascreen
->maxPointSize
= MIN2(result
.f
, 80.0f
);
732 /* The SVGA3D device always supports 4 targets at this time, regardless
733 * of what querying SVGA3D_DEVCAP_MAX_RENDER_TARGETS might return.
735 svgascreen
->max_color_buffers
= 4;
737 pipe_mutex_init(svgascreen
->tex_mutex
);
738 pipe_mutex_init(svgascreen
->swc_mutex
);
740 svga_screen_cache_init(svgascreen
);
749 struct svga_winsys_screen
*
750 svga_winsys_screen(struct pipe_screen
*screen
)
752 return svga_screen(screen
)->sws
;
757 svga_screen(struct pipe_screen
*screen
)
760 assert(screen
->destroy
== svga_destroy_screen
);
761 return (struct svga_screen
*)screen
;