1 /**************************************************************************
3 * Copyright 2008 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 **************************************************************************/
29 #include "util/u_memory.h"
30 #include "util/u_format.h"
31 #include "util/u_format_s3tc.h"
32 #include "util/u_video.h"
33 #include "os/os_misc.h"
34 #include "os/os_time.h"
35 #include "pipe/p_defines.h"
36 #include "pipe/p_screen.h"
37 #include "draw/draw_context.h"
39 #include "state_tracker/sw_winsys.h"
40 #include "tgsi/tgsi_exec.h"
42 #include "sp_texture.h"
43 #include "sp_screen.h"
44 #include "sp_context.h"
46 #include "sp_public.h"
48 DEBUG_GET_ONCE_BOOL_OPTION(use_llvm
, "SOFTPIPE_USE_LLVM", FALSE
)
51 softpipe_get_vendor(struct pipe_screen
*screen
)
53 return "VMware, Inc.";
58 softpipe_get_name(struct pipe_screen
*screen
)
65 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
68 case PIPE_CAP_NPOT_TEXTURES
:
69 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
70 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
72 case PIPE_CAP_TWO_SIDED_STENCIL
:
76 case PIPE_CAP_ANISOTROPIC_FILTER
:
78 case PIPE_CAP_POINT_SPRITE
:
80 case PIPE_CAP_MAX_RENDER_TARGETS
:
81 return PIPE_MAX_COLOR_BUFS
;
82 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
84 case PIPE_CAP_OCCLUSION_QUERY
:
86 case PIPE_CAP_QUERY_TIME_ELAPSED
:
88 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
90 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
92 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
94 case PIPE_CAP_TEXTURE_SWIZZLE
:
96 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
98 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
99 return SP_MAX_TEXTURE_2D_LEVELS
;
100 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
101 return SP_MAX_TEXTURE_3D_LEVELS
;
102 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
103 return SP_MAX_TEXTURE_CUBE_LEVELS
;
104 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
106 case PIPE_CAP_INDEP_BLEND_ENABLE
:
108 case PIPE_CAP_INDEP_BLEND_FUNC
:
110 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
111 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
112 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
113 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
115 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
117 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
118 return PIPE_MAX_SO_BUFFERS
;
119 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
120 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
122 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
123 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
125 case PIPE_CAP_MAX_VERTEX_STREAMS
:
127 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
129 case PIPE_CAP_PRIMITIVE_RESTART
:
131 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
133 case PIPE_CAP_TGSI_INSTANCEID
:
134 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
135 case PIPE_CAP_START_INSTANCE
:
137 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
138 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
140 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
141 return 256; /* for GL3 */
142 case PIPE_CAP_MIN_TEXEL_OFFSET
:
144 case PIPE_CAP_MAX_TEXEL_OFFSET
:
146 case PIPE_CAP_CONDITIONAL_RENDER
:
148 case PIPE_CAP_TEXTURE_BARRIER
:
150 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
151 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
: /* draw module */
152 case PIPE_CAP_VERTEX_COLOR_CLAMPED
: /* draw module */
154 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
156 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
158 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
160 case PIPE_CAP_COMPUTE
:
162 case PIPE_CAP_USER_VERTEX_BUFFERS
:
163 case PIPE_CAP_USER_INDEX_BUFFERS
:
164 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
165 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
166 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
167 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
169 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
171 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
172 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
173 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
174 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
175 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
177 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
179 case PIPE_CAP_QUERY_TIMESTAMP
:
180 case PIPE_CAP_CUBE_MAP_ARRAY
:
182 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
184 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
186 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
188 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
190 case PIPE_CAP_TGSI_TEXCOORD
:
191 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
193 case PIPE_CAP_MAX_VIEWPORTS
:
194 return PIPE_MAX_VIEWPORTS
;
195 case PIPE_CAP_ENDIANNESS
:
196 return PIPE_ENDIAN_NATIVE
;
197 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
199 case PIPE_CAP_TEXTURE_GATHER_SM5
:
200 case PIPE_CAP_TEXTURE_QUERY_LOD
:
202 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
203 case PIPE_CAP_SAMPLE_SHADING
:
204 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
206 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
208 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
210 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
212 case PIPE_CAP_FAKE_SW_MSAA
:
214 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
216 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
218 case PIPE_CAP_DRAW_INDIRECT
:
221 case PIPE_CAP_VENDOR_ID
:
223 case PIPE_CAP_DEVICE_ID
:
225 case PIPE_CAP_ACCELERATED
:
227 case PIPE_CAP_VIDEO_MEMORY
: {
228 /* XXX: Do we want to return the full amount fo system memory ? */
229 uint64_t system_memory
;
231 if (!os_get_total_physical_memory(&system_memory
))
234 if (sizeof(void *) == 4)
235 /* Cap to 2 GB on 32 bits system. We do this because softpipe does
236 * eat application memory, which is quite limited on 32 bits. App
237 * shouldn't expect too much available memory. */
238 system_memory
= MIN2(system_memory
, 2048 << 20);
240 return (int)(system_memory
>> 20);
244 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
246 case PIPE_CAP_CLIP_HALFZ
:
247 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
248 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
250 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
251 case PIPE_CAP_CULL_DISTANCE
:
253 case PIPE_CAP_VERTEXID_NOBASE
:
255 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
257 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
258 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
260 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
261 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
262 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
263 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
264 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
265 case PIPE_CAP_TGSI_TXQS
:
266 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
267 case PIPE_CAP_SHAREABLE_SHADERS
:
268 case PIPE_CAP_CLEAR_TEXTURE
:
269 case PIPE_CAP_DRAW_PARAMETERS
:
270 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
271 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
272 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
273 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
274 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
275 case PIPE_CAP_INVALIDATE_BUFFER
:
276 case PIPE_CAP_GENERATE_MIPMAP
:
277 case PIPE_CAP_STRING_MARKER
:
278 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
279 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
280 case PIPE_CAP_QUERY_MEMORY_INFO
:
281 case PIPE_CAP_PCI_GROUP
:
282 case PIPE_CAP_PCI_BUS
:
283 case PIPE_CAP_PCI_DEVICE
:
284 case PIPE_CAP_PCI_FUNCTION
:
285 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
286 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
287 case PIPE_CAP_TGSI_VOTE
:
288 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
289 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
290 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
291 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
292 case PIPE_CAP_NATIVE_FENCE_FD
:
293 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
294 case PIPE_CAP_TGSI_FS_FBFETCH
:
295 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
298 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
301 /* should only get here on unhandled cases */
302 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
307 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
309 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
312 case PIPE_SHADER_FRAGMENT
:
313 return tgsi_exec_get_shader_param(param
);
314 case PIPE_SHADER_COMPUTE
:
315 return tgsi_exec_get_shader_param(param
);
316 case PIPE_SHADER_VERTEX
:
317 case PIPE_SHADER_GEOMETRY
:
318 if (sp_screen
->use_llvm
)
319 return draw_get_shader_param(shader
, param
);
321 return draw_get_shader_param_no_llvm(shader
, param
);
328 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
331 case PIPE_CAPF_MAX_LINE_WIDTH
:
333 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
334 return 255.0; /* arbitrary */
335 case PIPE_CAPF_MAX_POINT_WIDTH
:
337 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
338 return 255.0; /* arbitrary */
339 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
341 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
342 return 16.0; /* arbitrary */
343 case PIPE_CAPF_GUARD_BAND_LEFT
:
344 case PIPE_CAPF_GUARD_BAND_TOP
:
345 case PIPE_CAPF_GUARD_BAND_RIGHT
:
346 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
349 /* should only get here on unhandled cases */
350 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
355 * Query format support for creating a texture, drawing surface, etc.
356 * \param format the format to test
357 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
360 softpipe_is_format_supported( struct pipe_screen
*screen
,
361 enum pipe_format format
,
362 enum pipe_texture_target target
,
363 unsigned sample_count
,
366 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
367 const struct util_format_description
*format_desc
;
369 assert(target
== PIPE_BUFFER
||
370 target
== PIPE_TEXTURE_1D
||
371 target
== PIPE_TEXTURE_1D_ARRAY
||
372 target
== PIPE_TEXTURE_2D
||
373 target
== PIPE_TEXTURE_2D_ARRAY
||
374 target
== PIPE_TEXTURE_RECT
||
375 target
== PIPE_TEXTURE_3D
||
376 target
== PIPE_TEXTURE_CUBE
||
377 target
== PIPE_TEXTURE_CUBE_ARRAY
);
379 format_desc
= util_format_description(format
);
383 if (sample_count
> 1)
386 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
389 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
393 if (bind
& PIPE_BIND_RENDER_TARGET
) {
394 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
398 * Although possible, it is unnatural to render into compressed or YUV
399 * surfaces. So disable these here to avoid going into weird paths
400 * inside the state trackers.
402 if (format_desc
->block
.width
!= 1 ||
403 format_desc
->block
.height
!= 1)
407 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
408 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
412 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
||
413 format_desc
->layout
== UTIL_FORMAT_LAYOUT_ASTC
) {
414 /* Software decoding is not hooked up. */
418 if ((bind
& (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
)) &&
419 ((bind
& PIPE_BIND_DISPLAY_TARGET
) == 0) &&
420 target
!= PIPE_BUFFER
) {
421 const struct util_format_description
*desc
=
422 util_format_description(format
);
423 if (desc
->nr_channels
== 3 && desc
->is_array
) {
424 /* Don't support any 3-component formats for rendering/texturing
425 * since we don't support the corresponding 8-bit 3 channel UNORM
426 * formats. This allows us to support GL_ARB_copy_image between
427 * GL_RGB8 and GL_RGB8UI, for example. Otherwise, we may be asked to
428 * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and
429 * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work
436 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
&&
437 format
!= PIPE_FORMAT_ETC1_RGB8
)
441 * All other operations (sampling, transfer, etc).
444 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
445 return util_format_s3tc_enabled
;
449 * Everything else should be supported by u_format.
456 softpipe_destroy_screen( struct pipe_screen
*screen
)
458 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
459 struct sw_winsys
*winsys
= sp_screen
->winsys
;
462 winsys
->destroy(winsys
);
468 /* This is often overriden by the co-state tracker.
471 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
472 struct pipe_resource
*resource
,
473 unsigned level
, unsigned layer
,
474 void *context_private
,
475 struct pipe_box
*sub_box
)
477 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
478 struct sw_winsys
*winsys
= screen
->winsys
;
479 struct softpipe_resource
*texture
= softpipe_resource(resource
);
483 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
487 softpipe_get_timestamp(struct pipe_screen
*_screen
)
489 return os_time_get_nano();
493 softpipe_get_compute_param(struct pipe_screen
*_screen
,
494 enum pipe_shader_ir ir_type
,
495 enum pipe_compute_cap param
,
499 case PIPE_COMPUTE_CAP_IR_TARGET
:
501 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE
:
503 uint64_t *grid_size
= ret
;
504 grid_size
[0] = 65535;
505 grid_size
[1] = 65535;
506 grid_size
[2] = 65535;
508 return 3 * sizeof(uint64_t) ;
509 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE
:
511 uint64_t *block_size
= ret
;
512 block_size
[0] = 1024;
513 block_size
[1] = 1024;
514 block_size
[2] = 1024;
516 return 3 * sizeof(uint64_t);
517 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK
:
519 uint64_t *max_threads_per_block
= ret
;
520 *max_threads_per_block
= 1024;
522 return sizeof(uint64_t);
523 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE
:
525 uint64_t *max_local_size
= ret
;
526 *max_local_size
= 32768;
528 return sizeof(uint64_t);
529 case PIPE_COMPUTE_CAP_GRID_DIMENSION
:
530 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE
:
531 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE
:
532 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE
:
533 case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE
:
534 case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY
:
535 case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS
:
536 case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED
:
537 case PIPE_COMPUTE_CAP_SUBGROUP_SIZE
:
538 case PIPE_COMPUTE_CAP_ADDRESS_BITS
:
539 case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK
:
546 * Create a new pipe_screen object
547 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
550 softpipe_create_screen(struct sw_winsys
*winsys
)
552 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
557 screen
->winsys
= winsys
;
559 screen
->base
.destroy
= softpipe_destroy_screen
;
561 screen
->base
.get_name
= softpipe_get_name
;
562 screen
->base
.get_vendor
= softpipe_get_vendor
;
563 screen
->base
.get_device_vendor
= softpipe_get_vendor
; // TODO should be the CPU vendor
564 screen
->base
.get_param
= softpipe_get_param
;
565 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
566 screen
->base
.get_paramf
= softpipe_get_paramf
;
567 screen
->base
.get_timestamp
= softpipe_get_timestamp
;
568 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
569 screen
->base
.context_create
= softpipe_create_context
;
570 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
571 screen
->base
.get_compute_param
= softpipe_get_compute_param
;
572 screen
->use_llvm
= debug_get_option_use_llvm();
574 util_format_s3tc_init();
576 softpipe_init_screen_texture_funcs(&screen
->base
);
577 softpipe_init_screen_fence_funcs(&screen
->base
);
579 return &screen
->base
;