2 * Copyright © 2014 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 #include "os/os_misc.h"
26 #include "pipe/p_defines.h"
27 #include "pipe/p_screen.h"
28 #include "pipe/p_state.h"
30 #include "util/u_debug.h"
31 #include "util/u_memory.h"
32 #include "util/u_format.h"
33 #include "util/ralloc.h"
35 #include "vc4_screen.h"
36 #include "vc4_context.h"
37 #include "vc4_resource.h"
39 static const struct debug_named_value debug_options
[] = {
41 "Dump command list during creation" },
42 { "qpu", VC4_DEBUG_QPU
,
43 "Dump generated QPU instructions" },
44 { "qir", VC4_DEBUG_QIR
,
45 "Dump QPU IR during program compile" },
46 { "nir", VC4_DEBUG_NIR
,
47 "Dump NIR during program compile" },
48 { "tgsi", VC4_DEBUG_TGSI
,
49 "Dump TGSI during program compile" },
50 { "shaderdb", VC4_DEBUG_SHADERDB
,
51 "Dump program compile information for shader-db analysis" },
52 { "perf", VC4_DEBUG_PERF
,
53 "Print during performance-related events" },
54 { "norast", VC4_DEBUG_NORAST
,
55 "Skip actual hardware execution of commands" },
56 { "always_flush", VC4_DEBUG_ALWAYS_FLUSH
,
57 "Flush after each draw call" },
58 { "always_sync", VC4_DEBUG_ALWAYS_SYNC
,
59 "Wait for finish after each flush" },
61 { "dump", VC4_DEBUG_DUMP
,
62 "Write a GPU command stream trace file" },
67 DEBUG_GET_ONCE_FLAGS_OPTION(vc4_debug
, "VC4_DEBUG", debug_options
, 0)
71 vc4_screen_get_name(struct pipe_screen
*pscreen
)
77 vc4_screen_get_vendor(struct pipe_screen
*pscreen
)
83 vc4_screen_destroy(struct pipe_screen
*pscreen
)
85 vc4_bufmgr_destroy(pscreen
);
90 vc4_screen_get_param(struct pipe_screen
*pscreen
, enum pipe_cap param
)
93 /* Supported features (boolean caps). */
94 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
95 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
96 case PIPE_CAP_NPOT_TEXTURES
:
97 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
98 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
99 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
100 case PIPE_CAP_TWO_SIDED_STENCIL
:
101 case PIPE_CAP_USER_INDEX_BUFFERS
:
102 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
103 case PIPE_CAP_TEXTURE_SWIZZLE
:
106 /* lying for GL 2.0 */
107 case PIPE_CAP_OCCLUSION_QUERY
:
108 case PIPE_CAP_POINT_SPRITE
:
111 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
114 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
117 case PIPE_CAP_MAX_VIEWPORTS
:
120 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
121 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
124 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
127 /* Unsupported features. */
128 case PIPE_CAP_ANISOTROPIC_FILTER
:
129 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
130 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
131 case PIPE_CAP_CUBE_MAP_ARRAY
:
132 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
133 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
134 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
135 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
136 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
137 case PIPE_CAP_TGSI_INSTANCEID
:
138 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
139 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
140 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
141 case PIPE_CAP_COMPUTE
:
142 case PIPE_CAP_START_INSTANCE
:
143 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
144 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
145 case PIPE_CAP_TGSI_TEXCOORD
:
146 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
147 case PIPE_CAP_CONDITIONAL_RENDER
:
148 case PIPE_CAP_PRIMITIVE_RESTART
:
149 case PIPE_CAP_TEXTURE_BARRIER
:
151 case PIPE_CAP_INDEP_BLEND_ENABLE
:
152 case PIPE_CAP_INDEP_BLEND_FUNC
:
153 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
154 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
155 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
156 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
157 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
158 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
159 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
160 case PIPE_CAP_USER_VERTEX_BUFFERS
:
161 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
162 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
163 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
164 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
165 case PIPE_CAP_TEXTURE_GATHER_SM5
:
166 case PIPE_CAP_FAKE_SW_MSAA
:
167 case PIPE_CAP_TEXTURE_QUERY_LOD
:
168 case PIPE_CAP_SAMPLE_SHADING
:
169 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
170 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
171 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
172 case PIPE_CAP_MAX_TEXEL_OFFSET
:
173 case PIPE_CAP_MAX_VERTEX_STREAMS
:
174 case PIPE_CAP_DRAW_INDIRECT
:
175 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
176 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
177 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
178 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
179 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
180 case PIPE_CAP_CLIP_HALFZ
:
181 case PIPE_CAP_VERTEXID_NOBASE
:
182 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
183 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
184 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
185 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
186 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
187 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
188 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
189 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
190 case PIPE_CAP_TGSI_TXQS
:
191 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
192 case PIPE_CAP_SHAREABLE_SHADERS
:
193 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
194 case PIPE_CAP_CLEAR_TEXTURE
:
195 case PIPE_CAP_DRAW_PARAMETERS
:
196 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
197 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
198 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
199 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
200 case PIPE_CAP_INVALIDATE_BUFFER
:
201 case PIPE_CAP_GENERATE_MIPMAP
:
202 case PIPE_CAP_STRING_MARKER
:
203 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
204 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
205 case PIPE_CAP_QUERY_MEMORY_INFO
:
206 case PIPE_CAP_PCI_GROUP
:
207 case PIPE_CAP_PCI_BUS
:
208 case PIPE_CAP_PCI_DEVICE
:
209 case PIPE_CAP_PCI_FUNCTION
:
210 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
214 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
215 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
216 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
217 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
220 /* Geometry shader output, unsupported. */
221 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
222 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
226 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
227 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
228 return VC4_MAX_MIP_LEVELS
;
229 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
230 /* Note: Not supported in hardware, just faking it. */
232 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
235 /* Render targets. */
236 case PIPE_CAP_MAX_RENDER_TARGETS
:
240 case PIPE_CAP_QUERY_TIME_ELAPSED
:
241 case PIPE_CAP_QUERY_TIMESTAMP
:
244 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
245 case PIPE_CAP_MIN_TEXEL_OFFSET
:
248 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
251 case PIPE_CAP_ENDIANNESS
:
252 return PIPE_ENDIAN_LITTLE
;
254 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
257 case PIPE_CAP_VENDOR_ID
:
259 case PIPE_CAP_DEVICE_ID
:
261 case PIPE_CAP_ACCELERATED
:
263 case PIPE_CAP_VIDEO_MEMORY
: {
264 uint64_t system_memory
;
266 if (!os_get_total_physical_memory(&system_memory
))
269 return (int)(system_memory
>> 20);
275 fprintf(stderr
, "unknown param %d\n", param
);
281 vc4_screen_get_paramf(struct pipe_screen
*pscreen
, enum pipe_capf param
)
284 case PIPE_CAPF_MAX_LINE_WIDTH
:
285 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
288 case PIPE_CAPF_MAX_POINT_WIDTH
:
289 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
292 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
294 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
296 case PIPE_CAPF_GUARD_BAND_LEFT
:
297 case PIPE_CAPF_GUARD_BAND_TOP
:
298 case PIPE_CAPF_GUARD_BAND_RIGHT
:
299 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
302 fprintf(stderr
, "unknown paramf %d\n", param
);
308 vc4_screen_get_shader_param(struct pipe_screen
*pscreen
, unsigned shader
,
309 enum pipe_shader_cap param
)
311 if (shader
!= PIPE_SHADER_VERTEX
&&
312 shader
!= PIPE_SHADER_FRAGMENT
) {
316 /* this is probably not totally correct.. but it's a start: */
318 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
319 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
320 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
321 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
323 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
325 case PIPE_SHADER_CAP_MAX_INPUTS
:
326 if (shader
== PIPE_SHADER_FRAGMENT
)
330 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
331 return shader
== PIPE_SHADER_FRAGMENT
? 1 : 8;
332 case PIPE_SHADER_CAP_MAX_TEMPS
:
333 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
334 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
335 return 16 * 1024 * sizeof(float);
336 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
338 case PIPE_SHADER_CAP_MAX_PREDS
:
339 return 0; /* nothing uses this */
340 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED
:
342 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
343 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
344 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
346 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
348 case PIPE_SHADER_CAP_SUBROUTINES
:
350 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED
:
352 case PIPE_SHADER_CAP_INTEGERS
:
354 case PIPE_SHADER_CAP_DOUBLES
:
355 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED
:
356 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED
:
357 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED
:
358 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE
:
360 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
361 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
362 return VC4_MAX_TEXTURE_SAMPLERS
;
363 case PIPE_SHADER_CAP_PREFERRED_IR
:
364 return PIPE_SHADER_IR_TGSI
;
365 case PIPE_SHADER_CAP_SUPPORTED_IRS
:
367 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT
:
369 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS
:
370 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES
:
373 fprintf(stderr
, "unknown shader param %d\n", param
);
380 vc4_screen_is_format_supported(struct pipe_screen
*pscreen
,
381 enum pipe_format format
,
382 enum pipe_texture_target target
,
383 unsigned sample_count
,
388 if ((target
>= PIPE_MAX_TEXTURE_TYPES
) ||
389 !util_format_is_supported(format
, usage
)) {
393 if (usage
& PIPE_BIND_VERTEX_BUFFER
) {
395 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
396 case PIPE_FORMAT_R32G32B32_FLOAT
:
397 case PIPE_FORMAT_R32G32_FLOAT
:
398 case PIPE_FORMAT_R32_FLOAT
:
399 case PIPE_FORMAT_R32G32B32A32_SNORM
:
400 case PIPE_FORMAT_R32G32B32_SNORM
:
401 case PIPE_FORMAT_R32G32_SNORM
:
402 case PIPE_FORMAT_R32_SNORM
:
403 case PIPE_FORMAT_R32G32B32A32_SSCALED
:
404 case PIPE_FORMAT_R32G32B32_SSCALED
:
405 case PIPE_FORMAT_R32G32_SSCALED
:
406 case PIPE_FORMAT_R32_SSCALED
:
407 case PIPE_FORMAT_R16G16B16A16_UNORM
:
408 case PIPE_FORMAT_R16G16B16_UNORM
:
409 case PIPE_FORMAT_R16G16_UNORM
:
410 case PIPE_FORMAT_R16_UNORM
:
411 case PIPE_FORMAT_R16G16B16A16_SNORM
:
412 case PIPE_FORMAT_R16G16B16_SNORM
:
413 case PIPE_FORMAT_R16G16_SNORM
:
414 case PIPE_FORMAT_R16_SNORM
:
415 case PIPE_FORMAT_R16G16B16A16_USCALED
:
416 case PIPE_FORMAT_R16G16B16_USCALED
:
417 case PIPE_FORMAT_R16G16_USCALED
:
418 case PIPE_FORMAT_R16_USCALED
:
419 case PIPE_FORMAT_R16G16B16A16_SSCALED
:
420 case PIPE_FORMAT_R16G16B16_SSCALED
:
421 case PIPE_FORMAT_R16G16_SSCALED
:
422 case PIPE_FORMAT_R16_SSCALED
:
423 case PIPE_FORMAT_R8G8B8A8_UNORM
:
424 case PIPE_FORMAT_R8G8B8_UNORM
:
425 case PIPE_FORMAT_R8G8_UNORM
:
426 case PIPE_FORMAT_R8_UNORM
:
427 case PIPE_FORMAT_R8G8B8A8_SNORM
:
428 case PIPE_FORMAT_R8G8B8_SNORM
:
429 case PIPE_FORMAT_R8G8_SNORM
:
430 case PIPE_FORMAT_R8_SNORM
:
431 case PIPE_FORMAT_R8G8B8A8_USCALED
:
432 case PIPE_FORMAT_R8G8B8_USCALED
:
433 case PIPE_FORMAT_R8G8_USCALED
:
434 case PIPE_FORMAT_R8_USCALED
:
435 case PIPE_FORMAT_R8G8B8A8_SSCALED
:
436 case PIPE_FORMAT_R8G8B8_SSCALED
:
437 case PIPE_FORMAT_R8G8_SSCALED
:
438 case PIPE_FORMAT_R8_SSCALED
:
439 retval
|= PIPE_BIND_VERTEX_BUFFER
;
446 if ((usage
& PIPE_BIND_RENDER_TARGET
) &&
447 (sample_count
== 0 || sample_count
== VC4_MAX_SAMPLES
) &&
448 vc4_rt_format_supported(format
)) {
449 retval
|= PIPE_BIND_RENDER_TARGET
;
452 if ((usage
& PIPE_BIND_SAMPLER_VIEW
) &&
453 (sample_count
== 0 || sample_count
== VC4_MAX_SAMPLES
) &&
454 (vc4_tex_format_supported(format
))) {
455 retval
|= PIPE_BIND_SAMPLER_VIEW
;
458 if ((usage
& PIPE_BIND_DEPTH_STENCIL
) &&
459 (format
== PIPE_FORMAT_S8_UINT_Z24_UNORM
||
460 format
== PIPE_FORMAT_X8Z24_UNORM
)) {
461 retval
|= PIPE_BIND_DEPTH_STENCIL
;
464 if ((usage
& PIPE_BIND_INDEX_BUFFER
) &&
465 (format
== PIPE_FORMAT_I8_UINT
||
466 format
== PIPE_FORMAT_I16_UINT
)) {
467 retval
|= PIPE_BIND_INDEX_BUFFER
;
470 if (usage
& PIPE_BIND_TRANSFER_READ
)
471 retval
|= PIPE_BIND_TRANSFER_READ
;
472 if (usage
& PIPE_BIND_TRANSFER_WRITE
)
473 retval
|= PIPE_BIND_TRANSFER_WRITE
;
476 if (retval
!= usage
) {
478 "not supported: format=%s, target=%d, sample_count=%d, "
479 "usage=0x%x, retval=0x%x\n", util_format_name(format
),
480 target
, sample_count
, usage
, retval
);
484 return retval
== usage
;
488 vc4_screen_create(int fd
)
490 struct vc4_screen
*screen
= rzalloc(NULL
, struct vc4_screen
);
491 struct pipe_screen
*pscreen
;
493 pscreen
= &screen
->base
;
495 pscreen
->destroy
= vc4_screen_destroy
;
496 pscreen
->get_param
= vc4_screen_get_param
;
497 pscreen
->get_paramf
= vc4_screen_get_paramf
;
498 pscreen
->get_shader_param
= vc4_screen_get_shader_param
;
499 pscreen
->context_create
= vc4_context_create
;
500 pscreen
->is_format_supported
= vc4_screen_is_format_supported
;
503 list_inithead(&screen
->bo_cache
.time_list
);
505 vc4_fence_init(screen
);
507 vc4_debug
= debug_get_option_vc4_debug();
508 if (vc4_debug
& VC4_DEBUG_SHADERDB
)
509 vc4_debug
|= VC4_DEBUG_NORAST
;
511 #if USE_VC4_SIMULATOR
512 vc4_simulator_init(screen
);
515 vc4_resource_screen_init(pscreen
);
517 pscreen
->get_name
= vc4_screen_get_name
;
518 pscreen
->get_vendor
= vc4_screen_get_vendor
;
519 pscreen
->get_device_vendor
= vc4_screen_get_vendor
;
525 vc4_screen_bo_get_handle(struct pipe_screen
*pscreen
,
528 struct winsys_handle
*whandle
)
530 whandle
->stride
= stride
;
532 /* If we're passing some reference to our BO out to some other part of
533 * the system, then we can't do any optimizations about only us being
534 * the ones seeing it (like BO caching or shadow update avoidance).
538 switch (whandle
->type
) {
539 case DRM_API_HANDLE_TYPE_SHARED
:
540 return vc4_bo_flink(bo
, &whandle
->handle
);
541 case DRM_API_HANDLE_TYPE_KMS
:
542 whandle
->handle
= bo
->handle
;
544 case DRM_API_HANDLE_TYPE_FD
:
545 whandle
->handle
= vc4_bo_get_dmabuf(bo
);
546 return whandle
->handle
!= -1;
553 vc4_screen_bo_from_handle(struct pipe_screen
*pscreen
,
554 struct winsys_handle
*whandle
)
556 struct vc4_screen
*screen
= vc4_screen(pscreen
);
558 switch (whandle
->type
) {
559 case DRM_API_HANDLE_TYPE_SHARED
:
560 return vc4_bo_open_name(screen
, whandle
->handle
, whandle
->stride
);
561 case DRM_API_HANDLE_TYPE_FD
:
562 return vc4_bo_open_dmabuf(screen
, whandle
->handle
, whandle
->stride
);
565 "Attempt to import unsupported handle type %d\n",