1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "include/gpu/GrBackendSurface.h"
9 #include "include/gpu/vk/GrVkBackendContext.h"
10 #include "include/gpu/vk/GrVkExtensions.h"
11 #include "src/gpu/GrRenderTarget.h"
12 #include "src/gpu/GrRenderTargetProxy.h"
13 #include "src/gpu/GrShaderCaps.h"
14 #include "src/gpu/GrUtil.h"
15 #include "src/gpu/SkGr.h"
16 #include "src/gpu/vk/GrVkCaps.h"
17 #include "src/gpu/vk/GrVkInterface.h"
18 #include "src/gpu/vk/GrVkTexture.h"
19 #include "src/gpu/vk/GrVkUniformHandler.h"
20 #include "src/gpu/vk/GrVkUtil.h"
21
22 #ifdef SK_BUILD_FOR_ANDROID
23 #include <sys/system_properties.h>
24 #endif
25
GrVkCaps(const GrContextOptions & contextOptions,const GrVkInterface * vkInterface,VkPhysicalDevice physDev,const VkPhysicalDeviceFeatures2 & features,uint32_t instanceVersion,uint32_t physicalDeviceVersion,const GrVkExtensions & extensions,GrProtected isProtected)26 GrVkCaps::GrVkCaps(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
27 VkPhysicalDevice physDev, const VkPhysicalDeviceFeatures2& features,
28 uint32_t instanceVersion, uint32_t physicalDeviceVersion,
29 const GrVkExtensions& extensions, GrProtected isProtected)
30 : INHERITED(contextOptions) {
31 /**************************************************************************
32 * GrCaps fields
33 **************************************************************************/
34 fMipMapSupport = true; // always available in Vulkan
35 fNPOTTextureTileSupport = true; // always available in Vulkan
36 fReuseScratchTextures = true; //TODO: figure this out
37 fGpuTracingSupport = false; //TODO: figure this out
38 fOversizedStencilSupport = false; //TODO: figure this out
39 fInstanceAttribSupport = true;
40
41 fSemaphoreSupport = true; // always available in Vulkan
42 fFenceSyncSupport = true; // always available in Vulkan
43 fCrossContextTextureSupport = true;
44 fHalfFloatVertexAttributeSupport = true;
45
46 // We always copy in/out of a transfer buffer so it's trivial to support row bytes.
47 fReadPixelsRowBytesSupport = true;
48 fWritePixelsRowBytesSupport = true;
49
50 fTransferBufferSupport = true;
51
52 fMaxRenderTargetSize = 4096; // minimum required by spec
53 fMaxTextureSize = 4096; // minimum required by spec
54
55 fDynamicStateArrayGeometryProcessorTextureSupport = true;
56
57 fShaderCaps.reset(new GrShaderCaps(contextOptions));
58
59 this->init(contextOptions, vkInterface, physDev, features, physicalDeviceVersion, extensions,
60 isProtected);
61 }
62
63 namespace {
64 /**
65 * This comes from section 37.1.6 of the Vulkan spec. Format is
66 * (<bits>|<tag>)_<block_size>_<texels_per_block>.
67 */
68 enum class FormatCompatibilityClass {
69 k8_1_1,
70 k16_2_1,
71 k24_3_1,
72 k32_4_1,
73 k64_8_1,
74 kETC2_RGB_8_16,
75 };
76 } // anonymous namespace
77
format_compatibility_class(VkFormat format)78 static FormatCompatibilityClass format_compatibility_class(VkFormat format) {
79 switch (format) {
80 case VK_FORMAT_B8G8R8A8_UNORM:
81 case VK_FORMAT_R8G8B8A8_UNORM:
82 case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
83 case VK_FORMAT_R8G8B8A8_SRGB:
84 case VK_FORMAT_R16G16_UNORM:
85 case VK_FORMAT_R16G16_SFLOAT:
86 return FormatCompatibilityClass::k32_4_1;
87
88 case VK_FORMAT_R8_UNORM:
89 return FormatCompatibilityClass::k8_1_1;
90
91 case VK_FORMAT_R5G6B5_UNORM_PACK16:
92 case VK_FORMAT_R16_SFLOAT:
93 case VK_FORMAT_R8G8_UNORM:
94 case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
95 case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
96 case VK_FORMAT_R16_UNORM:
97 return FormatCompatibilityClass::k16_2_1;
98
99 case VK_FORMAT_R16G16B16A16_SFLOAT:
100 case VK_FORMAT_R16G16B16A16_UNORM:
101 return FormatCompatibilityClass::k64_8_1;
102
103 case VK_FORMAT_R8G8B8_UNORM:
104 return FormatCompatibilityClass::k24_3_1;
105
106 case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
107 return FormatCompatibilityClass::kETC2_RGB_8_16;
108
109 default:
110 SK_ABORT("Unsupported VkFormat");
111 }
112 }
113
canCopyImage(VkFormat dstFormat,int dstSampleCnt,bool dstHasYcbcr,VkFormat srcFormat,int srcSampleCnt,bool srcHasYcbcr) const114 bool GrVkCaps::canCopyImage(VkFormat dstFormat, int dstSampleCnt, bool dstHasYcbcr,
115 VkFormat srcFormat, int srcSampleCnt, bool srcHasYcbcr) const {
116 if ((dstSampleCnt > 1 || srcSampleCnt > 1) && dstSampleCnt != srcSampleCnt) {
117 return false;
118 }
119
120 if (dstHasYcbcr || srcHasYcbcr) {
121 return false;
122 }
123
124 // We require that all Vulkan GrSurfaces have been created with transfer_dst and transfer_src
125 // as image usage flags.
126 return format_compatibility_class(srcFormat) == format_compatibility_class(dstFormat);
127 }
128
canCopyAsBlit(VkFormat dstFormat,int dstSampleCnt,bool dstIsLinear,bool dstHasYcbcr,VkFormat srcFormat,int srcSampleCnt,bool srcIsLinear,bool srcHasYcbcr) const129 bool GrVkCaps::canCopyAsBlit(VkFormat dstFormat, int dstSampleCnt, bool dstIsLinear,
130 bool dstHasYcbcr, VkFormat srcFormat, int srcSampleCnt,
131 bool srcIsLinear, bool srcHasYcbcr) const {
132 // We require that all vulkan GrSurfaces have been created with transfer_dst and transfer_src
133 // as image usage flags.
134 if (!this->formatCanBeDstofBlit(dstFormat, dstIsLinear) ||
135 !this->formatCanBeSrcofBlit(srcFormat, srcIsLinear)) {
136 return false;
137 }
138
139 // We cannot blit images that are multisampled. Will need to figure out if we can blit the
140 // resolved msaa though.
141 if (dstSampleCnt > 1 || srcSampleCnt > 1) {
142 return false;
143 }
144
145 if (dstHasYcbcr || srcHasYcbcr) {
146 return false;
147 }
148
149 return true;
150 }
151
canCopyAsResolve(VkFormat dstFormat,int dstSampleCnt,bool dstHasYcbcr,VkFormat srcFormat,int srcSampleCnt,bool srcHasYcbcr) const152 bool GrVkCaps::canCopyAsResolve(VkFormat dstFormat, int dstSampleCnt, bool dstHasYcbcr,
153 VkFormat srcFormat, int srcSampleCnt, bool srcHasYcbcr) const {
154 // The src surface must be multisampled.
155 if (srcSampleCnt <= 1) {
156 return false;
157 }
158
159 // The dst must not be multisampled.
160 if (dstSampleCnt > 1) {
161 return false;
162 }
163
164 // Surfaces must have the same format.
165 if (srcFormat != dstFormat) {
166 return false;
167 }
168
169 if (dstHasYcbcr || srcHasYcbcr) {
170 return false;
171 }
172
173 return true;
174 }
175
onCanCopySurface(const GrSurfaceProxy * dst,const GrSurfaceProxy * src,const SkIRect & srcRect,const SkIPoint & dstPoint) const176 bool GrVkCaps::onCanCopySurface(const GrSurfaceProxy* dst, const GrSurfaceProxy* src,
177 const SkIRect& srcRect, const SkIPoint& dstPoint) const {
178 if (src->isProtected() && !dst->isProtected()) {
179 return false;
180 }
181
182 // TODO: Figure out a way to track if we've wrapped a linear texture in a proxy (e.g.
183 // PromiseImage which won't get instantiated right away. Does this need a similar thing like the
184 // tracking of external or rectangle textures in GL? For now we don't create linear textures
185 // internally, and I don't believe anyone is wrapping them.
186 bool srcIsLinear = false;
187 bool dstIsLinear = false;
188
189 int dstSampleCnt = 0;
190 int srcSampleCnt = 0;
191 if (const GrRenderTargetProxy* rtProxy = dst->asRenderTargetProxy()) {
192 // Copying to or from render targets that wrap a secondary command buffer is not allowed
193 // since they would require us to know the VkImage, which we don't have, as well as need us
194 // to stop and start the VkRenderPass which we don't have access to.
195 if (rtProxy->wrapsVkSecondaryCB()) {
196 return false;
197 }
198 dstSampleCnt = rtProxy->numSamples();
199 }
200 if (const GrRenderTargetProxy* rtProxy = src->asRenderTargetProxy()) {
201 // Copying to or from render targets that wrap a secondary command buffer is not allowed
202 // since they would require us to know the VkImage, which we don't have, as well as need us
203 // to stop and start the VkRenderPass which we don't have access to.
204 if (rtProxy->wrapsVkSecondaryCB()) {
205 return false;
206 }
207 srcSampleCnt = rtProxy->numSamples();
208 }
209 SkASSERT((dstSampleCnt > 0) == SkToBool(dst->asRenderTargetProxy()));
210 SkASSERT((srcSampleCnt > 0) == SkToBool(src->asRenderTargetProxy()));
211
212 bool dstHasYcbcr = false;
213 if (auto ycbcr = dst->backendFormat().getVkYcbcrConversionInfo()) {
214 if (ycbcr->isValid()) {
215 dstHasYcbcr = true;
216 }
217 }
218
219 bool srcHasYcbcr = false;
220 if (auto ycbcr = src->backendFormat().getVkYcbcrConversionInfo()) {
221 if (ycbcr->isValid()) {
222 srcHasYcbcr = true;
223 }
224 }
225
226 VkFormat dstFormat, srcFormat;
227 SkAssertResult(dst->backendFormat().asVkFormat(&dstFormat));
228 SkAssertResult(src->backendFormat().asVkFormat(&srcFormat));
229
230 return this->canCopyImage(dstFormat, dstSampleCnt, dstHasYcbcr,
231 srcFormat, srcSampleCnt, srcHasYcbcr) ||
232 this->canCopyAsBlit(dstFormat, dstSampleCnt, dstIsLinear, dstHasYcbcr,
233 srcFormat, srcSampleCnt, srcIsLinear, srcHasYcbcr) ||
234 this->canCopyAsResolve(dstFormat, dstSampleCnt, dstHasYcbcr,
235 srcFormat, srcSampleCnt, srcHasYcbcr);
236 }
237
get_extension_feature_struct(const VkPhysicalDeviceFeatures2 & features,VkStructureType type)238 template<typename T> T* get_extension_feature_struct(const VkPhysicalDeviceFeatures2& features,
239 VkStructureType type) {
240 // All Vulkan structs that could be part of the features chain will start with the
241 // structure type followed by the pNext pointer. We cast to the CommonVulkanHeader
242 // so we can get access to the pNext for the next struct.
243 struct CommonVulkanHeader {
244 VkStructureType sType;
245 void* pNext;
246 };
247
248 void* pNext = features.pNext;
249 while (pNext) {
250 CommonVulkanHeader* header = static_cast<CommonVulkanHeader*>(pNext);
251 if (header->sType == type) {
252 return static_cast<T*>(pNext);
253 }
254 pNext = header->pNext;
255 }
256 return nullptr;
257 }
258
init(const GrContextOptions & contextOptions,const GrVkInterface * vkInterface,VkPhysicalDevice physDev,const VkPhysicalDeviceFeatures2 & features,uint32_t physicalDeviceVersion,const GrVkExtensions & extensions,GrProtected isProtected)259 void GrVkCaps::init(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
260 VkPhysicalDevice physDev, const VkPhysicalDeviceFeatures2& features,
261 uint32_t physicalDeviceVersion, const GrVkExtensions& extensions,
262 GrProtected isProtected) {
263 VkPhysicalDeviceProperties properties;
264 GR_VK_CALL(vkInterface, GetPhysicalDeviceProperties(physDev, &properties));
265
266 VkPhysicalDeviceMemoryProperties memoryProperties;
267 GR_VK_CALL(vkInterface, GetPhysicalDeviceMemoryProperties(physDev, &memoryProperties));
268
269 SkASSERT(physicalDeviceVersion <= properties.apiVersion);
270
271 if (extensions.hasExtension(VK_KHR_SWAPCHAIN_EXTENSION_NAME, 1)) {
272 fSupportsSwapchain = true;
273 }
274
275 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
276 extensions.hasExtension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME, 1)) {
277 fSupportsPhysicalDeviceProperties2 = true;
278 }
279
280 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
281 extensions.hasExtension(VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME, 1)) {
282 fSupportsMemoryRequirements2 = true;
283 }
284
285 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
286 extensions.hasExtension(VK_KHR_BIND_MEMORY_2_EXTENSION_NAME, 1)) {
287 fSupportsBindMemory2 = true;
288 }
289
290 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
291 extensions.hasExtension(VK_KHR_MAINTENANCE1_EXTENSION_NAME, 1)) {
292 fSupportsMaintenance1 = true;
293 }
294
295 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
296 extensions.hasExtension(VK_KHR_MAINTENANCE2_EXTENSION_NAME, 1)) {
297 fSupportsMaintenance2 = true;
298 }
299
300 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
301 extensions.hasExtension(VK_KHR_MAINTENANCE3_EXTENSION_NAME, 1)) {
302 fSupportsMaintenance3 = true;
303 }
304
305 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
306 (extensions.hasExtension(VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME, 1) &&
307 this->supportsMemoryRequirements2())) {
308 fSupportsDedicatedAllocation = true;
309 }
310
311 if (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
312 (extensions.hasExtension(VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME, 1) &&
313 this->supportsPhysicalDeviceProperties2() &&
314 extensions.hasExtension(VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME, 1) &&
315 this->supportsDedicatedAllocation())) {
316 fSupportsExternalMemory = true;
317 }
318
319 #ifdef SK_BUILD_FOR_ANDROID
320 // Currently Adreno devices are not supporting the QUEUE_FAMILY_FOREIGN_EXTENSION, so until they
321 // do we don't explicitly require it here even the spec says it is required.
322 if (extensions.hasExtension(
323 VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME, 2) &&
324 /* extensions.hasExtension(VK_EXT_QUEUE_FAMILY_FOREIGN_EXTENSION_NAME, 1) &&*/
325 this->supportsExternalMemory() &&
326 this->supportsBindMemory2()) {
327 fSupportsAndroidHWBExternalMemory = true;
328 fSupportsAHardwareBufferImages = true;
329 }
330 #endif
331
332 auto ycbcrFeatures =
333 get_extension_feature_struct<VkPhysicalDeviceSamplerYcbcrConversionFeatures>(
334 features, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_YCBCR_CONVERSION_FEATURES);
335 if (ycbcrFeatures && ycbcrFeatures->samplerYcbcrConversion &&
336 (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0) ||
337 (extensions.hasExtension(VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME, 1) &&
338 this->supportsMaintenance1() && this->supportsBindMemory2() &&
339 this->supportsMemoryRequirements2() && this->supportsPhysicalDeviceProperties2()))) {
340 fSupportsYcbcrConversion = true;
341 }
342
343 // We always push back the default GrVkYcbcrConversionInfo so that the case of no conversion
344 // will return a key of 0.
345 fYcbcrInfos.push_back(GrVkYcbcrConversionInfo());
346
347 if ((isProtected == GrProtected::kYes) &&
348 (physicalDeviceVersion >= VK_MAKE_VERSION(1, 1, 0))) {
349 fSupportsProtectedMemory = true;
350 fAvoidUpdateBuffers = true;
351 fShouldAlwaysUseDedicatedImageMemory = true;
352 }
353
354 this->initGrCaps(vkInterface, physDev, properties, memoryProperties, features, extensions);
355 this->initShaderCaps(properties, features);
356
357 if (kQualcomm_VkVendor == properties.vendorID) {
358 // A "clear" load for the CCPR atlas runs faster on QC than a "discard" load followed by a
359 // scissored clear.
360 // On NVIDIA and Intel, the discard load followed by clear is faster.
361 // TODO: Evaluate on ARM, Imagination, and ATI.
362 fPreferFullscreenClears = true;
363 }
364
365 if (kQualcomm_VkVendor == properties.vendorID || kARM_VkVendor == properties.vendorID) {
366 // On Qualcomm and ARM mapping a gpu buffer and doing both reads and writes to it is slow.
367 // Thus for index and vertex buffers we will force to use a cpu side buffer and then copy
368 // the whole buffer up to the gpu.
369 fBufferMapThreshold = SK_MaxS32;
370 }
371
372 if (kQualcomm_VkVendor == properties.vendorID) {
373 // On Qualcomm it looks like using vkCmdUpdateBuffer is slower than using a transfer buffer
374 // even for small sizes.
375 fAvoidUpdateBuffers = true;
376 }
377
378 if (kARM_VkVendor == properties.vendorID) {
379 // ARM seems to do better with more fine triangles as opposed to using the sample mask.
380 // (At least in our current round rect op.)
381 fPreferTrianglesOverSampleMask = true;
382 }
383
384 this->initFormatTable(vkInterface, physDev, properties);
385 this->initStencilFormat(vkInterface, physDev);
386
387 if (!contextOptions.fDisableDriverCorrectnessWorkarounds) {
388 this->applyDriverCorrectnessWorkarounds(properties);
389 }
390
391 this->applyOptionsOverrides(contextOptions);
392 fShaderCaps->applyOptionsOverrides(contextOptions);
393 }
394
applyDriverCorrectnessWorkarounds(const VkPhysicalDeviceProperties & properties)395 void GrVkCaps::applyDriverCorrectnessWorkarounds(const VkPhysicalDeviceProperties& properties) {
396 if (kQualcomm_VkVendor == properties.vendorID) {
397 fMustDoCopiesFromOrigin = true;
398 // Transfer doesn't support this workaround.
399 fTransferBufferSupport = false;
400 }
401
402 #if defined(SK_BUILD_FOR_WIN)
403 if (kNvidia_VkVendor == properties.vendorID || kIntel_VkVendor == properties.vendorID) {
404 fMustSleepOnTearDown = true;
405 }
406 #elif defined(SK_BUILD_FOR_ANDROID)
407 if (kImagination_VkVendor == properties.vendorID) {
408 fMustSleepOnTearDown = true;
409 }
410 #endif
411
412 #if defined(SK_BUILD_FOR_ANDROID)
413 // Protected memory features have problems in Android P and earlier.
414 if (fSupportsProtectedMemory && (kQualcomm_VkVendor == properties.vendorID)) {
415 char androidAPIVersion[PROP_VALUE_MAX];
416 int strLength = __system_property_get("ro.build.version.sdk", androidAPIVersion);
417 if (strLength == 0 || atoi(androidAPIVersion) <= 28) {
418 fSupportsProtectedMemory = false;
419 }
420 }
421 #endif
422
423 // On Mali galaxy s7 we see lots of rendering issues when we suballocate VkImages.
424 if (kARM_VkVendor == properties.vendorID) {
425 fShouldAlwaysUseDedicatedImageMemory = true;
426 }
427
428 // On Mali galaxy s7 and s9 we see lots of rendering issues with image filters dropping out when
429 // using only primary command buffers.
430 if (kARM_VkVendor == properties.vendorID) {
431 fPreferPrimaryOverSecondaryCommandBuffers = false;
432 }
433
434 // On various devices, when calling vkCmdClearAttachments on a primary command buffer, it
435 // corrupts the bound buffers on the command buffer. As a workaround we invalidate our knowledge
436 // of bound buffers so that we will rebind them on the next draw.
437 if (kQualcomm_VkVendor == properties.vendorID || kAMD_VkVendor == properties.vendorID) {
438 fMustInvalidatePrimaryCmdBufferStateAfterClearAttachments = true;
439 }
440
441 ////////////////////////////////////////////////////////////////////////////
442 // GrCaps workarounds
443 ////////////////////////////////////////////////////////////////////////////
444
445 if (kARM_VkVendor == properties.vendorID) {
446 fInstanceAttribSupport = false;
447 fAvoidWritePixelsFastPath = true; // bugs.skia.org/8064
448 }
449
450 // AMD advertises support for MAX_UINT vertex input attributes, but in reality only supports 32.
451 if (kAMD_VkVendor == properties.vendorID) {
452 fMaxVertexAttributes = SkTMin(fMaxVertexAttributes, 32);
453 }
454
455 ////////////////////////////////////////////////////////////////////////////
456 // GrShaderCaps workarounds
457 ////////////////////////////////////////////////////////////////////////////
458
459 if (kImagination_VkVendor == properties.vendorID) {
460 fShaderCaps->fAtan2ImplementedAsAtanYOverX = true;
461 }
462 }
463
get_max_sample_count(VkSampleCountFlags flags)464 int get_max_sample_count(VkSampleCountFlags flags) {
465 SkASSERT(flags & VK_SAMPLE_COUNT_1_BIT);
466 if (!(flags & VK_SAMPLE_COUNT_2_BIT)) {
467 return 0;
468 }
469 if (!(flags & VK_SAMPLE_COUNT_4_BIT)) {
470 return 2;
471 }
472 if (!(flags & VK_SAMPLE_COUNT_8_BIT)) {
473 return 4;
474 }
475 if (!(flags & VK_SAMPLE_COUNT_16_BIT)) {
476 return 8;
477 }
478 if (!(flags & VK_SAMPLE_COUNT_32_BIT)) {
479 return 16;
480 }
481 if (!(flags & VK_SAMPLE_COUNT_64_BIT)) {
482 return 32;
483 }
484 return 64;
485 }
486
initGrCaps(const GrVkInterface * vkInterface,VkPhysicalDevice physDev,const VkPhysicalDeviceProperties & properties,const VkPhysicalDeviceMemoryProperties & memoryProperties,const VkPhysicalDeviceFeatures2 & features,const GrVkExtensions & extensions)487 void GrVkCaps::initGrCaps(const GrVkInterface* vkInterface,
488 VkPhysicalDevice physDev,
489 const VkPhysicalDeviceProperties& properties,
490 const VkPhysicalDeviceMemoryProperties& memoryProperties,
491 const VkPhysicalDeviceFeatures2& features,
492 const GrVkExtensions& extensions) {
493 // So GPUs, like AMD, are reporting MAX_INT support vertex attributes. In general, there is no
494 // need for us ever to support that amount, and it makes tests which tests all the vertex
495 // attribs timeout looping over that many. For now, we'll cap this at 64 max and can raise it if
496 // we ever find that need.
497 static const uint32_t kMaxVertexAttributes = 64;
498 fMaxVertexAttributes = SkTMin(properties.limits.maxVertexInputAttributes, kMaxVertexAttributes);
499
500 // We could actually query and get a max size for each config, however maxImageDimension2D will
501 // give the minimum max size across all configs. So for simplicity we will use that for now.
502 fMaxRenderTargetSize = SkTMin(properties.limits.maxImageDimension2D, (uint32_t)INT_MAX);
503 fMaxTextureSize = SkTMin(properties.limits.maxImageDimension2D, (uint32_t)INT_MAX);
504 if (fDriverBugWorkarounds.max_texture_size_limit_4096) {
505 fMaxTextureSize = SkTMin(fMaxTextureSize, 4096);
506 }
507 // Our render targets are always created with textures as the color
508 // attachment, hence this min:
509 fMaxRenderTargetSize = SkTMin(fMaxTextureSize, fMaxRenderTargetSize);
510
511 // TODO: check if RT's larger than 4k incur a performance cost on ARM.
512 fMaxPreferredRenderTargetSize = fMaxRenderTargetSize;
513
514 // Assuming since we will always map in the end to upload the data we might as well just map
515 // from the get go. There is no hard data to suggest this is faster or slower.
516 fBufferMapThreshold = 0;
517
518 fMapBufferFlags = kCanMap_MapFlag | kSubset_MapFlag | kAsyncRead_MapFlag;
519
520 fOversizedStencilSupport = true;
521
522 if (extensions.hasExtension(VK_EXT_BLEND_OPERATION_ADVANCED_EXTENSION_NAME, 2) &&
523 this->supportsPhysicalDeviceProperties2()) {
524
525 VkPhysicalDeviceBlendOperationAdvancedPropertiesEXT blendProps;
526 blendProps.sType =
527 VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_PROPERTIES_EXT;
528 blendProps.pNext = nullptr;
529
530 VkPhysicalDeviceProperties2 props;
531 props.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
532 props.pNext = &blendProps;
533
534 GR_VK_CALL(vkInterface, GetPhysicalDeviceProperties2(physDev, &props));
535
536 if (blendProps.advancedBlendAllOperations == VK_TRUE) {
537 fShaderCaps->fAdvBlendEqInteraction = GrShaderCaps::kAutomatic_AdvBlendEqInteraction;
538
539 auto blendFeatures =
540 get_extension_feature_struct<VkPhysicalDeviceBlendOperationAdvancedFeaturesEXT>(
541 features,
542 VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BLEND_OPERATION_ADVANCED_FEATURES_EXT);
543 if (blendFeatures && blendFeatures->advancedBlendCoherentOperations == VK_TRUE) {
544 fBlendEquationSupport = kAdvancedCoherent_BlendEquationSupport;
545 } else {
546 // TODO: Currently non coherent blends are not supported in our vulkan backend. They
547 // require us to support self dependencies in our render passes.
548 // fBlendEquationSupport = kAdvanced_BlendEquationSupport;
549 }
550 }
551 }
552 }
553
initShaderCaps(const VkPhysicalDeviceProperties & properties,const VkPhysicalDeviceFeatures2 & features)554 void GrVkCaps::initShaderCaps(const VkPhysicalDeviceProperties& properties,
555 const VkPhysicalDeviceFeatures2& features) {
556 GrShaderCaps* shaderCaps = fShaderCaps.get();
557 shaderCaps->fVersionDeclString = "#version 330\n";
558
559 // Vulkan is based off ES 3.0 so the following should all be supported
560 shaderCaps->fUsesPrecisionModifiers = true;
561 shaderCaps->fFlatInterpolationSupport = true;
562 // Flat interpolation appears to be slow on Qualcomm GPUs. This was tested in GL and is assumed
563 // to be true with Vulkan as well.
564 shaderCaps->fPreferFlatInterpolation = kQualcomm_VkVendor != properties.vendorID;
565
566 // GrShaderCaps
567
568 shaderCaps->fShaderDerivativeSupport = true;
569
570 // FIXME: http://skbug.com/7733: Disable geometry shaders until Intel/Radeon GMs draw correctly.
571 // shaderCaps->fGeometryShaderSupport =
572 // shaderCaps->fGSInvocationsSupport = features.features.geometryShader;
573
574 shaderCaps->fDualSourceBlendingSupport = features.features.dualSrcBlend;
575
576 shaderCaps->fIntegerSupport = true;
577 shaderCaps->fVertexIDSupport = true;
578 shaderCaps->fFPManipulationSupport = true;
579
580 // Assume the minimum precisions mandated by the SPIR-V spec.
581 shaderCaps->fFloatIs32Bits = true;
582 shaderCaps->fHalfIs32Bits = false;
583
584 shaderCaps->fMaxFragmentSamplers = SkTMin(
585 SkTMin(properties.limits.maxPerStageDescriptorSampledImages,
586 properties.limits.maxPerStageDescriptorSamplers),
587 (uint32_t)INT_MAX);
588 }
589
stencil_format_supported(const GrVkInterface * interface,VkPhysicalDevice physDev,VkFormat format)590 bool stencil_format_supported(const GrVkInterface* interface,
591 VkPhysicalDevice physDev,
592 VkFormat format) {
593 VkFormatProperties props;
594 memset(&props, 0, sizeof(VkFormatProperties));
595 GR_VK_CALL(interface, GetPhysicalDeviceFormatProperties(physDev, format, &props));
596 return SkToBool(VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT & props.optimalTilingFeatures);
597 }
598
initStencilFormat(const GrVkInterface * interface,VkPhysicalDevice physDev)599 void GrVkCaps::initStencilFormat(const GrVkInterface* interface, VkPhysicalDevice physDev) {
600 // List of legal stencil formats (though perhaps not supported on
601 // the particular gpu/driver) from most preferred to least. We are guaranteed to have either
602 // VK_FORMAT_D24_UNORM_S8_UINT or VK_FORMAT_D32_SFLOAT_S8_UINT. VK_FORMAT_D32_SFLOAT_S8_UINT
603 // can optionally have 24 unused bits at the end so we assume the total bits is 64.
604 static const StencilFormat
605 // internal Format stencil bits total bits packed?
606 gS8 = { VK_FORMAT_S8_UINT, 8, 8, false },
607 gD24S8 = { VK_FORMAT_D24_UNORM_S8_UINT, 8, 32, true },
608 gD32S8 = { VK_FORMAT_D32_SFLOAT_S8_UINT, 8, 64, true };
609
610 if (stencil_format_supported(interface, physDev, VK_FORMAT_S8_UINT)) {
611 fPreferredStencilFormat = gS8;
612 } else if (stencil_format_supported(interface, physDev, VK_FORMAT_D24_UNORM_S8_UINT)) {
613 fPreferredStencilFormat = gD24S8;
614 } else {
615 SkASSERT(stencil_format_supported(interface, physDev, VK_FORMAT_D32_SFLOAT_S8_UINT));
616 fPreferredStencilFormat = gD32S8;
617 }
618 }
619
format_is_srgb(VkFormat format)620 static bool format_is_srgb(VkFormat format) {
621 SkASSERT(GrVkFormatIsSupported(format));
622
623 switch (format) {
624 case VK_FORMAT_R8G8B8A8_SRGB:
625 return true;
626 default:
627 return false;
628 }
629 }
630
631 // These are all the valid VkFormats that we support in Skia. They are roughly ordered from most
632 // frequently used to least to improve look up times in arrays.
633 static constexpr VkFormat kVkFormats[] = {
634 VK_FORMAT_R8G8B8A8_UNORM,
635 VK_FORMAT_R8_UNORM,
636 VK_FORMAT_B8G8R8A8_UNORM,
637 VK_FORMAT_R5G6B5_UNORM_PACK16,
638 VK_FORMAT_R16G16B16A16_SFLOAT,
639 VK_FORMAT_R16_SFLOAT,
640 VK_FORMAT_R8G8B8_UNORM,
641 VK_FORMAT_R8G8_UNORM,
642 VK_FORMAT_A2B10G10R10_UNORM_PACK32,
643 VK_FORMAT_B4G4R4A4_UNORM_PACK16,
644 VK_FORMAT_R4G4B4A4_UNORM_PACK16,
645 VK_FORMAT_R8G8B8A8_SRGB,
646 VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,
647 VK_FORMAT_R16_UNORM,
648 VK_FORMAT_R16G16_UNORM,
649 VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM,
650 VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
651 VK_FORMAT_R16G16B16A16_UNORM,
652 VK_FORMAT_R16G16_SFLOAT,
653 };
654
setColorType(GrColorType colorType,std::initializer_list<VkFormat> formats)655 void GrVkCaps::setColorType(GrColorType colorType, std::initializer_list<VkFormat> formats) {
656 #ifdef SK_DEBUG
657 for (size_t i = 0; i < kNumVkFormats; ++i) {
658 const auto& formatInfo = fFormatTable[i];
659 for (int j = 0; j < formatInfo.fColorTypeInfoCount; ++j) {
660 const auto& ctInfo = formatInfo.fColorTypeInfos[j];
661 if (ctInfo.fColorType == colorType &&
662 !SkToBool(ctInfo.fFlags & ColorTypeInfo::kWrappedOnly_Flag)) {
663 bool found = false;
664 for (auto it = formats.begin(); it != formats.end(); ++it) {
665 if (kVkFormats[i] == *it) {
666 found = true;
667 }
668 }
669 SkASSERT(found);
670 }
671 }
672 }
673 #endif
674 int idx = static_cast<int>(colorType);
675 for (auto it = formats.begin(); it != formats.end(); ++it) {
676 const auto& info = this->getFormatInfo(*it);
677 for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
678 if (info.fColorTypeInfos[i].fColorType == colorType) {
679 fColorTypeToFormatTable[idx] = *it;
680 return;
681 }
682 }
683 }
684 }
685
getFormatInfo(VkFormat format) const686 const GrVkCaps::FormatInfo& GrVkCaps::getFormatInfo(VkFormat format) const {
687 GrVkCaps* nonConstThis = const_cast<GrVkCaps*>(this);
688 return nonConstThis->getFormatInfo(format);
689 }
690
getFormatInfo(VkFormat format)691 GrVkCaps::FormatInfo& GrVkCaps::getFormatInfo(VkFormat format) {
692 static_assert(SK_ARRAY_COUNT(kVkFormats) == GrVkCaps::kNumVkFormats,
693 "Size of VkFormats array must match static value in header");
694 for (size_t i = 0; i < SK_ARRAY_COUNT(kVkFormats); ++i) {
695 if (kVkFormats[i] == format) {
696 return fFormatTable[i];
697 }
698 }
699 static FormatInfo kInvalidFormat;
700 return kInvalidFormat;
701 }
702
initFormatTable(const GrVkInterface * interface,VkPhysicalDevice physDev,const VkPhysicalDeviceProperties & properties)703 void GrVkCaps::initFormatTable(const GrVkInterface* interface, VkPhysicalDevice physDev,
704 const VkPhysicalDeviceProperties& properties) {
705 static_assert(SK_ARRAY_COUNT(kVkFormats) == GrVkCaps::kNumVkFormats,
706 "Size of VkFormats array must match static value in header");
707
708 std::fill_n(fColorTypeToFormatTable, kGrColorTypeCnt, VK_FORMAT_UNDEFINED);
709
710 // Go through all the formats and init their support surface and data GrColorTypes.
711 // Format: VK_FORMAT_R8G8B8A8_UNORM
712 {
713 constexpr VkFormat format = VK_FORMAT_R8G8B8A8_UNORM;
714 auto& info = this->getFormatInfo(format);
715 info.init(interface, physDev, properties, format);
716 info.fBytesPerPixel = 4;
717 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
718 info.fColorTypeInfoCount = 2;
719 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
720 int ctIdx = 0;
721 // Format: VK_FORMAT_R8G8B8A8_UNORM, Surface: kRGBA_8888
722 {
723 constexpr GrColorType ct = GrColorType::kRGBA_8888;
724 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
725 ctInfo.fColorType = ct;
726 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
727 }
728 // Format: VK_FORMAT_R8G8B8A8_UNORM, Surface: kRGB_888x
729 {
730 constexpr GrColorType ct = GrColorType::kRGB_888x;
731 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
732 ctInfo.fColorType = ct;
733 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
734 ctInfo.fTextureSwizzle = GrSwizzle::RGB1();
735 }
736 }
737 }
738
739 // Format: VK_FORMAT_R8_UNORM
740 {
741 constexpr VkFormat format = VK_FORMAT_R8_UNORM;
742 auto& info = this->getFormatInfo(format);
743 info.init(interface, physDev, properties, format);
744 info.fBytesPerPixel = 1;
745 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
746 info.fColorTypeInfoCount = 2;
747 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
748 int ctIdx = 0;
749 // Format: VK_FORMAT_R8_UNORM, Surface: kAlpha_8
750 {
751 constexpr GrColorType ct = GrColorType::kAlpha_8;
752 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
753 ctInfo.fColorType = ct;
754 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
755 ctInfo.fTextureSwizzle = GrSwizzle::RRRR();
756 ctInfo.fOutputSwizzle = GrSwizzle::AAAA();
757 }
758 // Format: VK_FORMAT_R8_UNORM, Surface: kGray_8
759 {
760 constexpr GrColorType ct = GrColorType::kGray_8;
761 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
762 ctInfo.fColorType = ct;
763 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
764 ctInfo.fTextureSwizzle = GrSwizzle("rrr1");
765 }
766 }
767 }
768 // Format: VK_FORMAT_B8G8R8A8_UNORM
769 {
770 constexpr VkFormat format = VK_FORMAT_B8G8R8A8_UNORM;
771 auto& info = this->getFormatInfo(format);
772 info.init(interface, physDev, properties, format);
773 info.fBytesPerPixel = 4;
774 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
775 info.fColorTypeInfoCount = 1;
776 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
777 int ctIdx = 0;
778 // Format: VK_FORMAT_B8G8R8A8_UNORM, Surface: kBGRA_8888
779 {
780 constexpr GrColorType ct = GrColorType::kBGRA_8888;
781 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
782 ctInfo.fColorType = ct;
783 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
784 }
785 }
786 }
787 // Format: VK_FORMAT_R5G6B5_UNORM_PACK16
788 {
789 constexpr VkFormat format = VK_FORMAT_R5G6B5_UNORM_PACK16;
790 auto& info = this->getFormatInfo(format);
791 info.init(interface, physDev, properties, format);
792 info.fBytesPerPixel = 2;
793 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
794 info.fColorTypeInfoCount = 1;
795 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
796 int ctIdx = 0;
797 // Format: VK_FORMAT_R5G6B5_UNORM_PACK16, Surface: kBGR_565
798 {
799 constexpr GrColorType ct = GrColorType::kBGR_565;
800 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
801 ctInfo.fColorType = ct;
802 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
803 }
804 }
805 }
806 // Format: VK_FORMAT_R16G16B16A16_SFLOAT
807 {
808 constexpr VkFormat format = VK_FORMAT_R16G16B16A16_SFLOAT;
809 auto& info = this->getFormatInfo(format);
810 info.init(interface, physDev, properties, format);
811 info.fBytesPerPixel = 8;
812 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
813 info.fColorTypeInfoCount = 2;
814 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
815 int ctIdx = 0;
816 // Format: VK_FORMAT_R16G16B16A16_SFLOAT, Surface: GrColorType::kRGBA_F16
817 {
818 constexpr GrColorType ct = GrColorType::kRGBA_F16;
819 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
820 ctInfo.fColorType = ct;
821 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
822 }
823 // Format: VK_FORMAT_R16G16B16A16_SFLOAT, Surface: GrColorType::kRGBA_F16_Clamped
824 {
825 constexpr GrColorType ct = GrColorType::kRGBA_F16_Clamped;
826 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
827 ctInfo.fColorType = ct;
828 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
829 }
830 }
831 }
832 // Format: VK_FORMAT_R16_SFLOAT
833 {
834 constexpr VkFormat format = VK_FORMAT_R16_SFLOAT;
835 auto& info = this->getFormatInfo(format);
836 info.init(interface, physDev, properties, format);
837 info.fBytesPerPixel = 2;
838 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
839 info.fColorTypeInfoCount = 1;
840 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
841 int ctIdx = 0;
842 // Format: VK_FORMAT_R16_SFLOAT, Surface: kAlpha_F16
843 {
844 constexpr GrColorType ct = GrColorType::kAlpha_F16;
845 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
846 ctInfo.fColorType = ct;
847 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
848 ctInfo.fTextureSwizzle = GrSwizzle::RRRR();
849 ctInfo.fOutputSwizzle = GrSwizzle::AAAA();
850 }
851 }
852 }
853 // Format: VK_FORMAT_R8G8B8_UNORM
854 {
855 constexpr VkFormat format = VK_FORMAT_R8G8B8_UNORM;
856 auto& info = this->getFormatInfo(format);
857 info.init(interface, physDev, properties, format);
858 info.fBytesPerPixel = 3;
859 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
860 info.fColorTypeInfoCount = 1;
861 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
862 int ctIdx = 0;
863 // Format: VK_FORMAT_R8G8B8_UNORM, Surface: kRGB_888x
864 {
865 constexpr GrColorType ct = GrColorType::kRGB_888x;
866 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
867 ctInfo.fColorType = ct;
868 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
869 }
870 }
871 }
872 // Format: VK_FORMAT_R8G8_UNORM
873 {
874 constexpr VkFormat format = VK_FORMAT_R8G8_UNORM;
875 auto& info = this->getFormatInfo(format);
876 info.init(interface, physDev, properties, format);
877 info.fBytesPerPixel = 2;
878 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
879 info.fColorTypeInfoCount = 1;
880 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
881 int ctIdx = 0;
882 // Format: VK_FORMAT_R8G8_UNORM, Surface: kRG_88
883 {
884 constexpr GrColorType ct = GrColorType::kRG_88;
885 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
886 ctInfo.fColorType = ct;
887 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
888 }
889 }
890 }
891 // Format: VK_FORMAT_A2B10G10R10_UNORM_PACK32
892 {
893 constexpr VkFormat format = VK_FORMAT_A2B10G10R10_UNORM_PACK32;
894 auto& info = this->getFormatInfo(format);
895 info.init(interface, physDev, properties, format);
896 info.fBytesPerPixel = 4;
897 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
898 info.fColorTypeInfoCount = 1;
899 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
900 int ctIdx = 0;
901 // Format: VK_FORMAT_A2B10G10R10_UNORM_PACK32, Surface: kRGBA_1010102
902 {
903 constexpr GrColorType ct = GrColorType::kRGBA_1010102;
904 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
905 ctInfo.fColorType = ct;
906 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
907 }
908 }
909 }
910 // Format: VK_FORMAT_B4G4R4A4_UNORM_PACK16
911 {
912 constexpr VkFormat format = VK_FORMAT_B4G4R4A4_UNORM_PACK16;
913 auto& info = this->getFormatInfo(format);
914 info.init(interface, physDev, properties, format);
915 info.fBytesPerPixel = 2;
916 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
917 info.fColorTypeInfoCount = 1;
918 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
919 int ctIdx = 0;
920 // Format: VK_FORMAT_B4G4R4A4_UNORM_PACK16, Surface: kABGR_4444
921 {
922 constexpr GrColorType ct = GrColorType::kABGR_4444;
923 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
924 ctInfo.fColorType = ct;
925 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
926 ctInfo.fTextureSwizzle = GrSwizzle::BGRA();
927 ctInfo.fOutputSwizzle = GrSwizzle::BGRA();
928 }
929 }
930 }
931 // Format: VK_FORMAT_R4G4B4A4_UNORM_PACK16
932 {
933 constexpr VkFormat format = VK_FORMAT_R4G4B4A4_UNORM_PACK16;
934 auto& info = this->getFormatInfo(format);
935 info.init(interface, physDev, properties, format);
936 info.fBytesPerPixel = 2;
937 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
938 info.fColorTypeInfoCount = 1;
939 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
940 int ctIdx = 0;
941 // Format: VK_FORMAT_R4G4B4A4_UNORM_PACK16, Surface: kABGR_4444
942 {
943 constexpr GrColorType ct = GrColorType::kABGR_4444;
944 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
945 ctInfo.fColorType = ct;
946 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
947 }
948 }
949 }
950 // Format: VK_FORMAT_R8G8B8A8_SRGB
951 {
952 constexpr VkFormat format = VK_FORMAT_R8G8B8A8_SRGB;
953 auto& info = this->getFormatInfo(format);
954 info.init(interface, physDev, properties, format);
955 info.fBytesPerPixel = 4;
956 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
957 info.fColorTypeInfoCount = 1;
958 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
959 int ctIdx = 0;
960 // Format: VK_FORMAT_R8G8B8A8_SRGB, Surface: kRGBA_8888_SRGB
961 {
962 constexpr GrColorType ct = GrColorType::kRGBA_8888_SRGB;
963 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
964 ctInfo.fColorType = ct;
965 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
966 }
967 }
968 }
969 // Format: VK_FORMAT_R16_UNORM
970 {
971 constexpr VkFormat format = VK_FORMAT_R16_UNORM;
972 auto& info = this->getFormatInfo(format);
973 info.init(interface, physDev, properties, format);
974 info.fBytesPerPixel = 2;
975 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
976 info.fColorTypeInfoCount = 1;
977 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
978 int ctIdx = 0;
979 // Format: VK_FORMAT_R16_UNORM, Surface: kAlpha_16
980 {
981 constexpr GrColorType ct = GrColorType::kAlpha_16;
982 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
983 ctInfo.fColorType = ct;
984 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
985 ctInfo.fTextureSwizzle = GrSwizzle::RRRR();
986 ctInfo.fOutputSwizzle = GrSwizzle::AAAA();
987 }
988 }
989 }
990 // Format: VK_FORMAT_R16G16_UNORM
991 {
992 constexpr VkFormat format = VK_FORMAT_R16G16_UNORM;
993 auto& info = this->getFormatInfo(format);
994 info.init(interface, physDev, properties, format);
995 info.fBytesPerPixel = 4;
996 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
997 info.fColorTypeInfoCount = 1;
998 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
999 int ctIdx = 0;
1000 // Format: VK_FORMAT_R16G16_UNORM, Surface: kRG_1616
1001 {
1002 constexpr GrColorType ct = GrColorType::kRG_1616;
1003 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
1004 ctInfo.fColorType = ct;
1005 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
1006 }
1007 }
1008 }
1009 // Format: VK_FORMAT_R16G16B16A16_UNORM
1010 {
1011 constexpr VkFormat format = VK_FORMAT_R16G16B16A16_UNORM;
1012 auto& info = this->getFormatInfo(format);
1013 info.init(interface, physDev, properties, format);
1014 info.fBytesPerPixel = 8;
1015 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
1016 info.fColorTypeInfoCount = 1;
1017 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
1018 int ctIdx = 0;
1019 // Format: VK_FORMAT_R16G16B16A16_UNORM, Surface: kRGBA_16161616
1020 {
1021 constexpr GrColorType ct = GrColorType::kRGBA_16161616;
1022 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
1023 ctInfo.fColorType = ct;
1024 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
1025 }
1026 }
1027 }
1028 // Format: VK_FORMAT_R16G16_SFLOAT
1029 {
1030 constexpr VkFormat format = VK_FORMAT_R16G16_SFLOAT;
1031 auto& info = this->getFormatInfo(format);
1032 info.init(interface, physDev, properties, format);
1033 info.fBytesPerPixel = 4;
1034 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
1035 info.fColorTypeInfoCount = 1;
1036 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
1037 int ctIdx = 0;
1038 // Format: VK_FORMAT_R16G16_SFLOAT, Surface: kRG_F16
1039 {
1040 constexpr GrColorType ct = GrColorType::kRG_F16;
1041 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
1042 ctInfo.fColorType = ct;
1043 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
1044 }
1045 }
1046 }
1047 // Format: VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM
1048 {
1049 constexpr VkFormat format = VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM;
1050 auto& info = this->getFormatInfo(format);
1051 // Currently we are just over estimating this value to be used in gpu size calculations even
1052 // though the actually size is probably less. We should instead treat planar formats similar
1053 // to compressed textures that go through their own special query for calculating size.
1054 info.fBytesPerPixel = 3;
1055 if (fSupportsYcbcrConversion) {
1056 info.init(interface, physDev, properties, format);
1057 }
1058 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
1059 info.fColorTypeInfoCount = 1;
1060 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
1061 int ctIdx = 0;
1062 // Format: VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, Surface: kRGB_888x
1063 {
1064 constexpr GrColorType ct = GrColorType::kRGB_888x;
1065 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
1066 ctInfo.fColorType = ct;
1067 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kWrappedOnly_Flag;
1068 }
1069 }
1070 }
1071 // Format: VK_FORMAT_G8_B8R8_2PLANE_420_UNORM
1072 {
1073 constexpr VkFormat format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
1074 auto& info = this->getFormatInfo(format);
1075 // Currently we are just over estimating this value to be used in gpu size calculations even
1076 // though the actually size is probably less. We should instead treat planar formats similar
1077 // to compressed textures that go through their own special query for calculating size.
1078 info.fBytesPerPixel = 3;
1079 if (fSupportsYcbcrConversion) {
1080 info.init(interface, physDev, properties, format);
1081 }
1082 if (SkToBool(info.fOptimalFlags & FormatInfo::kTexturable_Flag)) {
1083 info.fColorTypeInfoCount = 1;
1084 info.fColorTypeInfos.reset(new ColorTypeInfo[info.fColorTypeInfoCount]());
1085 int ctIdx = 0;
1086 // Format: VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, Surface: kRGB_888x
1087 {
1088 constexpr GrColorType ct = GrColorType::kRGB_888x;
1089 auto& ctInfo = info.fColorTypeInfos[ctIdx++];
1090 ctInfo.fColorType = ct;
1091 ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kWrappedOnly_Flag;
1092 }
1093 }
1094 }
1095 // Format: VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK
1096 {
1097 constexpr VkFormat format = VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK;
1098 auto& info = this->getFormatInfo(format);
1099 info.init(interface, physDev, properties, format);
1100 info.fBytesPerPixel = 0;
1101 // No supported GrColorTypes.
1102 }
1103
1104 ////////////////////////////////////////////////////////////////////////////
1105 // Map GrColorTypes (used for creating GrSurfaces) to VkFormats. The order in which the formats
1106 // are passed into the setColorType function indicates the priority in selecting which format
1107 // we use for a given GrcolorType.
1108
1109 this->setColorType(GrColorType::kAlpha_8, { VK_FORMAT_R8_UNORM });
1110 this->setColorType(GrColorType::kBGR_565, { VK_FORMAT_R5G6B5_UNORM_PACK16 });
1111 this->setColorType(GrColorType::kABGR_4444, { VK_FORMAT_R4G4B4A4_UNORM_PACK16,
1112 VK_FORMAT_B4G4R4A4_UNORM_PACK16 });
1113 this->setColorType(GrColorType::kRGBA_8888, { VK_FORMAT_R8G8B8A8_UNORM });
1114 this->setColorType(GrColorType::kRGBA_8888_SRGB, { VK_FORMAT_R8G8B8A8_SRGB });
1115 this->setColorType(GrColorType::kRGB_888x, { VK_FORMAT_R8G8B8_UNORM,
1116 VK_FORMAT_R8G8B8A8_UNORM });
1117 this->setColorType(GrColorType::kRG_88, { VK_FORMAT_R8G8_UNORM });
1118 this->setColorType(GrColorType::kBGRA_8888, { VK_FORMAT_B8G8R8A8_UNORM });
1119 this->setColorType(GrColorType::kRGBA_1010102, { VK_FORMAT_A2B10G10R10_UNORM_PACK32 });
1120 this->setColorType(GrColorType::kGray_8, { VK_FORMAT_R8_UNORM });
1121 this->setColorType(GrColorType::kAlpha_F16, { VK_FORMAT_R16_SFLOAT });
1122 this->setColorType(GrColorType::kRGBA_F16, { VK_FORMAT_R16G16B16A16_SFLOAT });
1123 this->setColorType(GrColorType::kRGBA_F16_Clamped, { VK_FORMAT_R16G16B16A16_SFLOAT });
1124 this->setColorType(GrColorType::kAlpha_16, { VK_FORMAT_R16_UNORM });
1125 this->setColorType(GrColorType::kRG_1616, { VK_FORMAT_R16G16_UNORM });
1126 this->setColorType(GrColorType::kRGBA_16161616, { VK_FORMAT_R16G16B16A16_UNORM });
1127 this->setColorType(GrColorType::kRG_F16, { VK_FORMAT_R16G16_SFLOAT });
1128 }
1129
InitFormatFlags(VkFormatFeatureFlags vkFlags,uint16_t * flags)1130 void GrVkCaps::FormatInfo::InitFormatFlags(VkFormatFeatureFlags vkFlags, uint16_t* flags) {
1131 if (SkToBool(VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT & vkFlags) &&
1132 SkToBool(VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT & vkFlags)) {
1133 *flags = *flags | kTexturable_Flag;
1134
1135 // Ganesh assumes that all renderable surfaces are also texturable
1136 if (SkToBool(VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT & vkFlags)) {
1137 *flags = *flags | kRenderable_Flag;
1138 }
1139 }
1140
1141 if (SkToBool(VK_FORMAT_FEATURE_BLIT_SRC_BIT & vkFlags)) {
1142 *flags = *flags | kBlitSrc_Flag;
1143 }
1144
1145 if (SkToBool(VK_FORMAT_FEATURE_BLIT_DST_BIT & vkFlags)) {
1146 *flags = *flags | kBlitDst_Flag;
1147 }
1148 }
1149
initSampleCounts(const GrVkInterface * interface,VkPhysicalDevice physDev,const VkPhysicalDeviceProperties & physProps,VkFormat format)1150 void GrVkCaps::FormatInfo::initSampleCounts(const GrVkInterface* interface,
1151 VkPhysicalDevice physDev,
1152 const VkPhysicalDeviceProperties& physProps,
1153 VkFormat format) {
1154 VkImageUsageFlags usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
1155 VK_IMAGE_USAGE_TRANSFER_DST_BIT |
1156 VK_IMAGE_USAGE_SAMPLED_BIT |
1157 VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
1158 VkImageFormatProperties properties;
1159 GR_VK_CALL(interface, GetPhysicalDeviceImageFormatProperties(physDev,
1160 format,
1161 VK_IMAGE_TYPE_2D,
1162 VK_IMAGE_TILING_OPTIMAL,
1163 usage,
1164 0, // createFlags
1165 &properties));
1166 VkSampleCountFlags flags = properties.sampleCounts;
1167 if (flags & VK_SAMPLE_COUNT_1_BIT) {
1168 fColorSampleCounts.push_back(1);
1169 }
1170 if (kImagination_VkVendor == physProps.vendorID) {
1171 // MSAA does not work on imagination
1172 return;
1173 }
1174 if (kIntel_VkVendor == physProps.vendorID) {
1175 // MSAA doesn't work well on Intel GPUs chromium:527565, chromium:983926
1176 return;
1177 }
1178 if (flags & VK_SAMPLE_COUNT_2_BIT) {
1179 fColorSampleCounts.push_back(2);
1180 }
1181 if (flags & VK_SAMPLE_COUNT_4_BIT) {
1182 fColorSampleCounts.push_back(4);
1183 }
1184 if (flags & VK_SAMPLE_COUNT_8_BIT) {
1185 fColorSampleCounts.push_back(8);
1186 }
1187 if (flags & VK_SAMPLE_COUNT_16_BIT) {
1188 fColorSampleCounts.push_back(16);
1189 }
1190 if (flags & VK_SAMPLE_COUNT_32_BIT) {
1191 fColorSampleCounts.push_back(32);
1192 }
1193 if (flags & VK_SAMPLE_COUNT_64_BIT) {
1194 fColorSampleCounts.push_back(64);
1195 }
1196 }
1197
init(const GrVkInterface * interface,VkPhysicalDevice physDev,const VkPhysicalDeviceProperties & properties,VkFormat format)1198 void GrVkCaps::FormatInfo::init(const GrVkInterface* interface,
1199 VkPhysicalDevice physDev,
1200 const VkPhysicalDeviceProperties& properties,
1201 VkFormat format) {
1202 VkFormatProperties props;
1203 memset(&props, 0, sizeof(VkFormatProperties));
1204 GR_VK_CALL(interface, GetPhysicalDeviceFormatProperties(physDev, format, &props));
1205 InitFormatFlags(props.linearTilingFeatures, &fLinearFlags);
1206 InitFormatFlags(props.optimalTilingFeatures, &fOptimalFlags);
1207 if (fOptimalFlags & kRenderable_Flag) {
1208 this->initSampleCounts(interface, physDev, properties, format);
1209 }
1210 }
1211
1212 // For many checks in caps, we need to know whether the GrBackendFormat is external or not. If it is
1213 // external the VkFormat will be VK_NULL_HANDLE which is not handled by our various format
1214 // capability checks.
backend_format_is_external(const GrBackendFormat & format)1215 static bool backend_format_is_external(const GrBackendFormat& format) {
1216 const GrVkYcbcrConversionInfo* ycbcrInfo = format.getVkYcbcrConversionInfo();
1217 SkASSERT(ycbcrInfo);
1218
1219 // All external formats have a valid ycbcrInfo used for sampling and a non zero external format.
1220 if (ycbcrInfo->isValid() && ycbcrInfo->fExternalFormat != 0) {
1221 #ifdef SK_DEBUG
1222 VkFormat vkFormat;
1223 SkAssertResult(format.asVkFormat(&vkFormat));
1224 SkASSERT(vkFormat == VK_NULL_HANDLE);
1225 #endif
1226 return true;
1227 }
1228 return false;
1229 }
1230
isFormatSRGB(const GrBackendFormat & format) const1231 bool GrVkCaps::isFormatSRGB(const GrBackendFormat& format) const {
1232 VkFormat vkFormat;
1233 if (!format.asVkFormat(&vkFormat)) {
1234 return false;
1235 }
1236 if (backend_format_is_external(format)) {
1237 return false;
1238 }
1239
1240 return format_is_srgb(vkFormat);
1241 }
1242
isFormatCompressed(const GrBackendFormat & format,SkImage::CompressionType * compressionType) const1243 bool GrVkCaps::isFormatCompressed(const GrBackendFormat& format,
1244 SkImage::CompressionType* compressionType) const {
1245 VkFormat vkFormat;
1246 if (!format.asVkFormat(&vkFormat)) {
1247 return false;
1248 }
1249 SkImage::CompressionType dummyType;
1250 SkImage::CompressionType* compressionTypePtr = compressionType ? compressionType : &dummyType;
1251
1252 switch (vkFormat) {
1253 case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
1254 // ETC2 uses the same compression layout as ETC1
1255 *compressionTypePtr = SkImage::kETC1_CompressionType;
1256 return true;
1257 default:
1258 return false;
1259 }
1260 }
1261
isFormatTexturableAndUploadable(GrColorType ct,const GrBackendFormat & format) const1262 bool GrVkCaps::isFormatTexturableAndUploadable(GrColorType ct,
1263 const GrBackendFormat& format) const {
1264 VkFormat vkFormat;
1265 if (!format.asVkFormat(&vkFormat)) {
1266 return false;
1267 }
1268
1269 uint32_t ctFlags = this->getFormatInfo(vkFormat).colorTypeFlags(ct);
1270 return this->isVkFormatTexturable(vkFormat) &&
1271 SkToBool(ctFlags & ColorTypeInfo::kUploadData_Flag);
1272 }
1273
isFormatTexturable(const GrBackendFormat & format) const1274 bool GrVkCaps::isFormatTexturable(const GrBackendFormat& format) const {
1275 VkFormat vkFormat;
1276 if (!format.asVkFormat(&vkFormat)) {
1277 return false;
1278 }
1279 if (backend_format_is_external(format)) {
1280 // We can always texture from an external format (assuming we have the ycbcr conversion
1281 // info which we require to be passed in).
1282 return true;
1283 }
1284 return this->isVkFormatTexturable(vkFormat);
1285 }
1286
isVkFormatTexturable(VkFormat format) const1287 bool GrVkCaps::isVkFormatTexturable(VkFormat format) const {
1288 const FormatInfo& info = this->getFormatInfo(format);
1289 return SkToBool(FormatInfo::kTexturable_Flag & info.fOptimalFlags);
1290 }
1291
isFormatAsColorTypeRenderable(GrColorType ct,const GrBackendFormat & format,int sampleCount) const1292 bool GrVkCaps::isFormatAsColorTypeRenderable(GrColorType ct, const GrBackendFormat& format,
1293 int sampleCount) const {
1294 if (!this->isFormatRenderable(format, sampleCount)) {
1295 return false;
1296 }
1297 VkFormat vkFormat;
1298 if (!format.asVkFormat(&vkFormat)) {
1299 return false;
1300 }
1301 const auto& info = this->getFormatInfo(vkFormat);
1302 if (!SkToBool(info.colorTypeFlags(ct) & ColorTypeInfo::kRenderable_Flag)) {
1303 return false;
1304 }
1305 return true;
1306 }
1307
isFormatRenderable(const GrBackendFormat & format,int sampleCount) const1308 bool GrVkCaps::isFormatRenderable(const GrBackendFormat& format, int sampleCount) const {
1309 VkFormat vkFormat;
1310 if (!format.asVkFormat(&vkFormat)) {
1311 return false;
1312 }
1313 return this->isFormatRenderable(vkFormat, sampleCount);
1314 }
1315
isFormatRenderable(VkFormat format,int sampleCount) const1316 bool GrVkCaps::isFormatRenderable(VkFormat format, int sampleCount) const {
1317 return sampleCount <= this->maxRenderTargetSampleCount(format);
1318 }
1319
getRenderTargetSampleCount(int requestedCount,const GrBackendFormat & format) const1320 int GrVkCaps::getRenderTargetSampleCount(int requestedCount,
1321 const GrBackendFormat& format) const {
1322 VkFormat vkFormat;
1323 if (!format.asVkFormat(&vkFormat)) {
1324 return 0;
1325 }
1326
1327 return this->getRenderTargetSampleCount(requestedCount, vkFormat);
1328 }
1329
getRenderTargetSampleCount(int requestedCount,VkFormat format) const1330 int GrVkCaps::getRenderTargetSampleCount(int requestedCount, VkFormat format) const {
1331 requestedCount = SkTMax(1, requestedCount);
1332
1333 const FormatInfo& info = this->getFormatInfo(format);
1334
1335 int count = info.fColorSampleCounts.count();
1336
1337 if (!count) {
1338 return 0;
1339 }
1340
1341 if (1 == requestedCount) {
1342 SkASSERT(info.fColorSampleCounts.count() && info.fColorSampleCounts[0] == 1);
1343 return 1;
1344 }
1345
1346 for (int i = 0; i < count; ++i) {
1347 if (info.fColorSampleCounts[i] >= requestedCount) {
1348 return info.fColorSampleCounts[i];
1349 }
1350 }
1351 return 0;
1352 }
1353
maxRenderTargetSampleCount(const GrBackendFormat & format) const1354 int GrVkCaps::maxRenderTargetSampleCount(const GrBackendFormat& format) const {
1355 VkFormat vkFormat;
1356 if (!format.asVkFormat(&vkFormat)) {
1357 return 0;
1358 }
1359 return this->maxRenderTargetSampleCount(vkFormat);
1360 }
1361
maxRenderTargetSampleCount(VkFormat format) const1362 int GrVkCaps::maxRenderTargetSampleCount(VkFormat format) const {
1363 const FormatInfo& info = this->getFormatInfo(format);
1364
1365 const auto& table = info.fColorSampleCounts;
1366 if (!table.count()) {
1367 return 0;
1368 }
1369 return table[table.count() - 1];
1370 }
1371
bytesPerPixel(const GrBackendFormat & format) const1372 size_t GrVkCaps::bytesPerPixel(const GrBackendFormat& format) const {
1373 VkFormat vkFormat;
1374 if (!format.asVkFormat(&vkFormat)) {
1375 return 0;
1376 }
1377 return this->bytesPerPixel(vkFormat);
1378 }
1379
bytesPerPixel(VkFormat format) const1380 size_t GrVkCaps::bytesPerPixel(VkFormat format) const {
1381 return this->getFormatInfo(format).fBytesPerPixel;
1382 }
1383
align_to_4(size_t v)1384 static inline size_t align_to_4(size_t v) {
1385 switch (v & 0b11) {
1386 // v is already a multiple of 4.
1387 case 0: return v;
1388 // v is a multiple of 2 but not 4.
1389 case 2: return 2 * v;
1390 // v is not a multiple of 2.
1391 default: return 4 * v;
1392 }
1393 }
1394
supportedWritePixelsColorType(GrColorType surfaceColorType,const GrBackendFormat & surfaceFormat,GrColorType srcColorType) const1395 GrCaps::SupportedWrite GrVkCaps::supportedWritePixelsColorType(GrColorType surfaceColorType,
1396 const GrBackendFormat& surfaceFormat,
1397 GrColorType srcColorType) const {
1398 VkFormat vkFormat;
1399 if (!surfaceFormat.asVkFormat(&vkFormat)) {
1400 return {GrColorType::kUnknown, 0};
1401 }
1402
1403 // We don't support the ability to upload to external formats or formats that require a ycbcr
1404 // sampler. In general these types of formats are only used for sampling in a shader.
1405 if (backend_format_is_external(surfaceFormat) || GrVkFormatNeedsYcbcrSampler(vkFormat)) {
1406 return {GrColorType::kUnknown, 0};
1407 }
1408
1409 // The VkBufferImageCopy bufferOffset field must be both a multiple of 4 and of a single texel.
1410 size_t offsetAlignment = align_to_4(this->bytesPerPixel(vkFormat));
1411
1412 const auto& info = this->getFormatInfo(vkFormat);
1413 for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
1414 const auto& ctInfo = info.fColorTypeInfos[i];
1415 if (ctInfo.fColorType == surfaceColorType) {
1416 return {surfaceColorType, offsetAlignment};
1417 }
1418 }
1419 return {GrColorType::kUnknown, 0};
1420 }
1421
surfaceSupportsReadPixels(const GrSurface * surface) const1422 GrCaps::SurfaceReadPixelsSupport GrVkCaps::surfaceSupportsReadPixels(
1423 const GrSurface* surface) const {
1424 if (surface->isProtected()) {
1425 return SurfaceReadPixelsSupport::kUnsupported;
1426 }
1427 if (auto tex = static_cast<const GrVkTexture*>(surface->asTexture())) {
1428 // We can't directly read from a VkImage that has a ycbcr sampler.
1429 if (tex->ycbcrConversionInfo().isValid()) {
1430 return SurfaceReadPixelsSupport::kCopyToTexture2D;
1431 }
1432 // We can't directly read from a compressed format
1433 SkImage::CompressionType compressionType;
1434 if (GrVkFormatToCompressionType(tex->imageFormat(), &compressionType)) {
1435 return SurfaceReadPixelsSupport::kCopyToTexture2D;
1436 }
1437 }
1438 return SurfaceReadPixelsSupport::kSupported;
1439 }
1440
onSurfaceSupportsWritePixels(const GrSurface * surface) const1441 bool GrVkCaps::onSurfaceSupportsWritePixels(const GrSurface* surface) const {
1442 if (auto rt = surface->asRenderTarget()) {
1443 return rt->numSamples() <= 1 && SkToBool(surface->asTexture());
1444 }
1445 // We can't write to a texture that has a ycbcr sampler.
1446 if (auto tex = static_cast<const GrVkTexture*>(surface->asTexture())) {
1447 // We can't directly read from a VkImage that has a ycbcr sampler.
1448 if (tex->ycbcrConversionInfo().isValid()) {
1449 return false;
1450 }
1451 }
1452 return true;
1453 }
1454
onAreColorTypeAndFormatCompatible(GrColorType ct,const GrBackendFormat & format) const1455 bool GrVkCaps::onAreColorTypeAndFormatCompatible(GrColorType ct,
1456 const GrBackendFormat& format) const {
1457 VkFormat vkFormat;
1458 if (!format.asVkFormat(&vkFormat)) {
1459 return false;
1460 }
1461 const GrVkYcbcrConversionInfo* ycbcrInfo = format.getVkYcbcrConversionInfo();
1462 SkASSERT(ycbcrInfo);
1463
1464 if (ycbcrInfo->isValid() && !GrVkFormatNeedsYcbcrSampler(vkFormat)) {
1465 // Format may be undefined for external images, which are required to have YCbCr conversion.
1466 if (VK_FORMAT_UNDEFINED == vkFormat && ycbcrInfo->fExternalFormat != 0) {
1467 return true;
1468 }
1469 return false;
1470 }
1471
1472 const auto& info = this->getFormatInfo(vkFormat);
1473 for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
1474 if (info.fColorTypeInfos[i].fColorType == ct) {
1475 return true;
1476 }
1477 }
1478 return false;
1479 }
1480
validate_image_info(VkFormat format,GrColorType ct,bool hasYcbcrConversion)1481 static GrPixelConfig validate_image_info(VkFormat format, GrColorType ct, bool hasYcbcrConversion) {
1482 if (hasYcbcrConversion) {
1483 if (GrVkFormatNeedsYcbcrSampler(format)) {
1484 return kRGB_888X_GrPixelConfig;
1485 }
1486
1487 // Format may be undefined for external images, which are required to have YCbCr conversion.
1488 if (VK_FORMAT_UNDEFINED == format) {
1489 // We don't actually care what the color type or config are since we won't use those
1490 // values for external textures. However, for read pixels we will draw to a non ycbcr
1491 // texture of this config so we set RGBA here for that.
1492 return kRGBA_8888_GrPixelConfig;
1493 }
1494
1495 return kUnknown_GrPixelConfig;
1496 }
1497
1498 if (VK_FORMAT_UNDEFINED == format) {
1499 return kUnknown_GrPixelConfig;
1500 }
1501
1502 switch (ct) {
1503 case GrColorType::kUnknown:
1504 break;
1505 case GrColorType::kAlpha_8:
1506 if (VK_FORMAT_R8_UNORM == format) {
1507 return kAlpha_8_as_Red_GrPixelConfig;
1508 }
1509 break;
1510 case GrColorType::kBGR_565:
1511 if (VK_FORMAT_R5G6B5_UNORM_PACK16 == format) {
1512 return kRGB_565_GrPixelConfig;
1513 }
1514 break;
1515 case GrColorType::kABGR_4444:
1516 if (VK_FORMAT_B4G4R4A4_UNORM_PACK16 == format ||
1517 VK_FORMAT_R4G4B4A4_UNORM_PACK16 == format) {
1518 return kRGBA_4444_GrPixelConfig;
1519 }
1520 break;
1521 case GrColorType::kRGBA_8888:
1522 if (VK_FORMAT_R8G8B8A8_UNORM == format) {
1523 return kRGBA_8888_GrPixelConfig;
1524 }
1525 break;
1526 case GrColorType::kRGBA_8888_SRGB:
1527 if (VK_FORMAT_R8G8B8A8_SRGB == format) {
1528 return kSRGBA_8888_GrPixelConfig;
1529 }
1530 break;
1531 case GrColorType::kRGB_888x:
1532 if (VK_FORMAT_R8G8B8_UNORM == format) {
1533 return kRGB_888_GrPixelConfig;
1534 } else if (VK_FORMAT_R8G8B8A8_UNORM == format) {
1535 return kRGB_888X_GrPixelConfig;
1536 } else if (VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK == format) {
1537 return kRGB_ETC1_GrPixelConfig;
1538 }
1539 break;
1540 case GrColorType::kRG_88:
1541 if (VK_FORMAT_R8G8_UNORM == format) {
1542 return kRG_88_GrPixelConfig;
1543 }
1544 break;
1545 case GrColorType::kBGRA_8888:
1546 if (VK_FORMAT_B8G8R8A8_UNORM == format) {
1547 return kBGRA_8888_GrPixelConfig;
1548 }
1549 break;
1550 case GrColorType::kRGBA_1010102:
1551 if (VK_FORMAT_A2B10G10R10_UNORM_PACK32 == format) {
1552 return kRGBA_1010102_GrPixelConfig;
1553 }
1554 break;
1555 case GrColorType::kGray_8:
1556 if (VK_FORMAT_R8_UNORM == format) {
1557 return kGray_8_as_Red_GrPixelConfig;
1558 }
1559 break;
1560 case GrColorType::kAlpha_F16:
1561 if (VK_FORMAT_R16_SFLOAT == format) {
1562 return kAlpha_half_as_Red_GrPixelConfig;
1563 }
1564 break;
1565 case GrColorType::kRGBA_F16:
1566 if (VK_FORMAT_R16G16B16A16_SFLOAT == format) {
1567 return kRGBA_half_GrPixelConfig;
1568 }
1569 break;
1570 case GrColorType::kRGBA_F16_Clamped:
1571 if (VK_FORMAT_R16G16B16A16_SFLOAT == format) {
1572 return kRGBA_half_Clamped_GrPixelConfig;
1573 }
1574 break;
1575 case GrColorType::kAlpha_16:
1576 if (VK_FORMAT_R16_UNORM == format) {
1577 return kAlpha_16_GrPixelConfig;
1578 }
1579 break;
1580 case GrColorType::kRG_1616:
1581 if (VK_FORMAT_R16G16_UNORM == format) {
1582 return kRG_1616_GrPixelConfig;
1583 }
1584 break;
1585 case GrColorType::kRGBA_16161616:
1586 if (VK_FORMAT_R16G16B16A16_UNORM == format) {
1587 return kRGBA_16161616_GrPixelConfig;
1588 }
1589 break;
1590 case GrColorType::kRG_F16:
1591 if (VK_FORMAT_R16G16_SFLOAT == format) {
1592 return kRG_half_GrPixelConfig;
1593 }
1594 break;
1595 // These have no equivalent:
1596 case GrColorType::kRGBA_F32:
1597 case GrColorType::kAlpha_8xxx:
1598 case GrColorType::kAlpha_F32xxx:
1599 case GrColorType::kGray_8xxx:
1600 break;
1601 }
1602
1603 return kUnknown_GrPixelConfig;
1604 }
1605
onGetConfigFromBackendFormat(const GrBackendFormat & format,GrColorType ct) const1606 GrPixelConfig GrVkCaps::onGetConfigFromBackendFormat(const GrBackendFormat& format,
1607 GrColorType ct) const {
1608 VkFormat vkFormat;
1609 if (!format.asVkFormat(&vkFormat)) {
1610 return kUnknown_GrPixelConfig;
1611 }
1612 const GrVkYcbcrConversionInfo* ycbcrInfo = format.getVkYcbcrConversionInfo();
1613 SkASSERT(ycbcrInfo);
1614 return validate_image_info(vkFormat, ct, ycbcrInfo->isValid());
1615 }
1616
getYUVAColorTypeFromBackendFormat(const GrBackendFormat & format,bool isAlphaChannel) const1617 GrColorType GrVkCaps::getYUVAColorTypeFromBackendFormat(const GrBackendFormat& format,
1618 bool isAlphaChannel) const {
1619 VkFormat vkFormat;
1620 if (!format.asVkFormat(&vkFormat)) {
1621 return GrColorType::kUnknown;
1622 }
1623
1624 switch (vkFormat) {
1625 case VK_FORMAT_R8_UNORM: return isAlphaChannel ? GrColorType::kAlpha_8
1626 : GrColorType::kGray_8;
1627 case VK_FORMAT_R8G8B8A8_UNORM: return GrColorType::kRGBA_8888;
1628 case VK_FORMAT_R8G8B8_UNORM: return GrColorType::kRGB_888x;
1629 case VK_FORMAT_R8G8_UNORM: return GrColorType::kRG_88;
1630 case VK_FORMAT_B8G8R8A8_UNORM: return GrColorType::kBGRA_8888;
1631 case VK_FORMAT_A2B10G10R10_UNORM_PACK32: return GrColorType::kRGBA_1010102;
1632 case VK_FORMAT_R16_UNORM: return GrColorType::kAlpha_16;
1633 case VK_FORMAT_R16_SFLOAT: return GrColorType::kAlpha_F16;
1634 case VK_FORMAT_R16G16_UNORM: return GrColorType::kRG_1616;
1635 case VK_FORMAT_R16G16B16A16_UNORM: return GrColorType::kRGBA_16161616;
1636 case VK_FORMAT_R16G16_SFLOAT: return GrColorType::kRG_F16;
1637 default: return GrColorType::kUnknown;
1638 }
1639
1640 SkUNREACHABLE;
1641 }
1642
onGetDefaultBackendFormat(GrColorType ct,GrRenderable renderable) const1643 GrBackendFormat GrVkCaps::onGetDefaultBackendFormat(GrColorType ct,
1644 GrRenderable renderable) const {
1645 VkFormat format = this->getFormatFromColorType(ct);
1646 if (format == VK_FORMAT_UNDEFINED) {
1647 return GrBackendFormat();
1648 }
1649 return GrBackendFormat::MakeVk(format);
1650 }
1651
getBackendFormatFromCompressionType(SkImage::CompressionType compressionType) const1652 GrBackendFormat GrVkCaps::getBackendFormatFromCompressionType(
1653 SkImage::CompressionType compressionType) const {
1654 switch (compressionType) {
1655 case SkImage::kETC1_CompressionType:
1656 return GrBackendFormat::MakeVk(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK);
1657 }
1658 SK_ABORT("Invalid compression type");
1659 }
1660
getTextureSwizzle(const GrBackendFormat & format,GrColorType colorType) const1661 GrSwizzle GrVkCaps::getTextureSwizzle(const GrBackendFormat& format, GrColorType colorType) const {
1662 VkFormat vkFormat;
1663 SkAssertResult(format.asVkFormat(&vkFormat));
1664 const auto& info = this->getFormatInfo(vkFormat);
1665 for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
1666 const auto& ctInfo = info.fColorTypeInfos[i];
1667 if (ctInfo.fColorType == colorType) {
1668 return ctInfo.fTextureSwizzle;
1669 }
1670 }
1671 return GrSwizzle::RGBA();
1672 }
1673
getOutputSwizzle(const GrBackendFormat & format,GrColorType colorType) const1674 GrSwizzle GrVkCaps::getOutputSwizzle(const GrBackendFormat& format, GrColorType colorType) const {
1675 VkFormat vkFormat;
1676 SkAssertResult(format.asVkFormat(&vkFormat));
1677 const auto& info = this->getFormatInfo(vkFormat);
1678 for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
1679 const auto& ctInfo = info.fColorTypeInfos[i];
1680 if (ctInfo.fColorType == colorType) {
1681 return ctInfo.fOutputSwizzle;
1682 }
1683 }
1684 return GrSwizzle::RGBA();
1685 }
1686
onSupportedReadPixelsColorType(GrColorType srcColorType,const GrBackendFormat & srcBackendFormat,GrColorType dstColorType) const1687 GrCaps::SupportedRead GrVkCaps::onSupportedReadPixelsColorType(
1688 GrColorType srcColorType, const GrBackendFormat& srcBackendFormat,
1689 GrColorType dstColorType) const {
1690 VkFormat vkFormat;
1691 if (!srcBackendFormat.asVkFormat(&vkFormat)) {
1692 return {GrColorType::kUnknown, 0};
1693 }
1694
1695 if (GrVkFormatNeedsYcbcrSampler(vkFormat)) {
1696 return {GrColorType::kUnknown, 0};
1697 }
1698
1699 // The VkBufferImageCopy bufferOffset field must be both a multiple of 4 and of a single texel.
1700 size_t offsetAlignment = align_to_4(this->bytesPerPixel(vkFormat));
1701
1702 const auto& info = this->getFormatInfo(vkFormat);
1703 for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
1704 const auto& ctInfo = info.fColorTypeInfos[i];
1705 if (ctInfo.fColorType == srcColorType) {
1706 return {srcColorType, offsetAlignment};
1707 }
1708 }
1709 return {GrColorType::kUnknown, 0};
1710 }
1711
getFragmentUniformBinding() const1712 int GrVkCaps::getFragmentUniformBinding() const {
1713 return GrVkUniformHandler::kUniformBinding;
1714 }
1715
getFragmentUniformSet() const1716 int GrVkCaps::getFragmentUniformSet() const {
1717 return GrVkUniformHandler::kUniformBufferDescSet;
1718 }
1719
1720 #if GR_TEST_UTILS
getTestingCombinations() const1721 std::vector<GrCaps::TestFormatColorTypeCombination> GrVkCaps::getTestingCombinations() const {
1722 std::vector<GrCaps::TestFormatColorTypeCombination> combos = {
1723 { GrColorType::kAlpha_8, GrBackendFormat::MakeVk(VK_FORMAT_R8_UNORM) },
1724 { GrColorType::kBGR_565, GrBackendFormat::MakeVk(VK_FORMAT_R5G6B5_UNORM_PACK16) },
1725 { GrColorType::kABGR_4444, GrBackendFormat::MakeVk(VK_FORMAT_R4G4B4A4_UNORM_PACK16)},
1726 { GrColorType::kABGR_4444, GrBackendFormat::MakeVk(VK_FORMAT_B4G4R4A4_UNORM_PACK16)},
1727 { GrColorType::kRGBA_8888, GrBackendFormat::MakeVk(VK_FORMAT_R8G8B8A8_UNORM) },
1728 { GrColorType::kRGBA_8888_SRGB, GrBackendFormat::MakeVk(VK_FORMAT_R8G8B8A8_SRGB) },
1729 { GrColorType::kRGB_888x, GrBackendFormat::MakeVk(VK_FORMAT_R8G8B8A8_UNORM) },
1730 { GrColorType::kRGB_888x, GrBackendFormat::MakeVk(VK_FORMAT_R8G8B8_UNORM) },
1731 { GrColorType::kRGB_888x, GrBackendFormat::MakeVk(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK)},
1732 { GrColorType::kRG_88, GrBackendFormat::MakeVk(VK_FORMAT_R8G8_UNORM) },
1733 { GrColorType::kBGRA_8888, GrBackendFormat::MakeVk(VK_FORMAT_B8G8R8A8_UNORM) },
1734 { GrColorType::kRGBA_1010102, GrBackendFormat::MakeVk(VK_FORMAT_A2B10G10R10_UNORM_PACK32)},
1735 { GrColorType::kGray_8, GrBackendFormat::MakeVk(VK_FORMAT_R8_UNORM) },
1736 { GrColorType::kAlpha_F16, GrBackendFormat::MakeVk(VK_FORMAT_R16_SFLOAT) },
1737 { GrColorType::kRGBA_F16, GrBackendFormat::MakeVk(VK_FORMAT_R16G16B16A16_SFLOAT) },
1738 { GrColorType::kRGBA_F16_Clamped, GrBackendFormat::MakeVk(VK_FORMAT_R16G16B16A16_SFLOAT) },
1739 { GrColorType::kAlpha_16, GrBackendFormat::MakeVk(VK_FORMAT_R16_UNORM) },
1740 { GrColorType::kRG_1616, GrBackendFormat::MakeVk(VK_FORMAT_R16G16_UNORM) },
1741 { GrColorType::kRGBA_16161616, GrBackendFormat::MakeVk(VK_FORMAT_R16G16B16A16_UNORM) },
1742 { GrColorType::kRG_F16, GrBackendFormat::MakeVk(VK_FORMAT_R16G16_SFLOAT) },
1743 };
1744
1745 return combos;
1746 }
1747 #endif
1748