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1 /*
2  * Copyright © 2017, Google Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include <hardware/gralloc.h>
25 
26 #if ANDROID_API_LEVEL >= 26
27 #include <hardware/gralloc1.h>
28 #endif
29 
30 #include <hardware/hardware.h>
31 #include <hardware/hwvulkan.h>
32 #include <vulkan/vk_android_native_buffer.h>
33 #include <vulkan/vk_icd.h>
34 #include <sync/sync.h>
35 
36 #include "anv_private.h"
37 #include "vk_android.h"
38 #include "vk_common_entrypoints.h"
39 #include "vk_util.h"
40 
41 static int anv_hal_open(const struct hw_module_t* mod, const char* id, struct hw_device_t** dev);
42 static int anv_hal_close(struct hw_device_t *dev);
43 
44 static_assert(HWVULKAN_DISPATCH_MAGIC == ICD_LOADER_MAGIC, "");
45 
46 PUBLIC struct hwvulkan_module_t HAL_MODULE_INFO_SYM = {
47    .common = {
48       .tag = HARDWARE_MODULE_TAG,
49       .module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
50       .hal_api_version = HARDWARE_MAKE_API_VERSION(1, 0),
51       .id = HWVULKAN_HARDWARE_MODULE_ID,
52       .name = "Intel Vulkan HAL",
53       .author = "Intel",
54       .methods = &(hw_module_methods_t) {
55          .open = anv_hal_open,
56       },
57    },
58 };
59 
60 /* If any bits in test_mask are set, then unset them and return true. */
61 static inline bool
unmask32(uint32_t * inout_mask,uint32_t test_mask)62 unmask32(uint32_t *inout_mask, uint32_t test_mask)
63 {
64    uint32_t orig_mask = *inout_mask;
65    *inout_mask &= ~test_mask;
66    return *inout_mask != orig_mask;
67 }
68 
69 static int
anv_hal_open(const struct hw_module_t * mod,const char * id,struct hw_device_t ** dev)70 anv_hal_open(const struct hw_module_t* mod, const char* id,
71              struct hw_device_t** dev)
72 {
73    assert(mod == &HAL_MODULE_INFO_SYM.common);
74    assert(strcmp(id, HWVULKAN_DEVICE_0) == 0);
75 
76    hwvulkan_device_t *hal_dev = malloc(sizeof(*hal_dev));
77    if (!hal_dev)
78       return -1;
79 
80    *hal_dev = (hwvulkan_device_t) {
81       .common = {
82          .tag = HARDWARE_DEVICE_TAG,
83          .version = HWVULKAN_DEVICE_API_VERSION_0_1,
84          .module = &HAL_MODULE_INFO_SYM.common,
85          .close = anv_hal_close,
86       },
87      .EnumerateInstanceExtensionProperties = anv_EnumerateInstanceExtensionProperties,
88      .CreateInstance = anv_CreateInstance,
89      .GetInstanceProcAddr = anv_GetInstanceProcAddr,
90    };
91 
92    *dev = &hal_dev->common;
93    return 0;
94 }
95 
96 static int
anv_hal_close(struct hw_device_t * dev)97 anv_hal_close(struct hw_device_t *dev)
98 {
99    /* hwvulkan.h claims that hw_device_t::close() is never called. */
100    return -1;
101 }
102 
103 #if ANDROID_API_LEVEL >= 26
104 #include <vndk/hardware_buffer.h>
105 /* See i915_private_android_types.h in minigbm. */
106 #define HAL_PIXEL_FORMAT_NV12_Y_TILED_INTEL 0x100
107 
108 enum {
109    /* Usage bit equal to GRALLOC_USAGE_HW_CAMERA_MASK */
110    BUFFER_USAGE_CAMERA_MASK = 0x00060000U,
111 };
112 
113 inline VkFormat
vk_format_from_android(unsigned android_format,unsigned android_usage)114 vk_format_from_android(unsigned android_format, unsigned android_usage)
115 {
116    switch (android_format) {
117    case AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420:
118    case HAL_PIXEL_FORMAT_NV12_Y_TILED_INTEL:
119       return VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
120    case AHARDWAREBUFFER_FORMAT_YV12:
121       return VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM;
122    case AHARDWAREBUFFER_FORMAT_IMPLEMENTATION_DEFINED:
123       if (android_usage & BUFFER_USAGE_CAMERA_MASK)
124          return VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
125       else
126          return VK_FORMAT_R8G8B8_UNORM;
127    default:
128       return vk_ahb_format_to_image_format(android_format);
129    }
130 }
131 
132 unsigned
anv_ahb_format_for_vk_format(VkFormat vk_format)133 anv_ahb_format_for_vk_format(VkFormat vk_format)
134 {
135    switch (vk_format) {
136    case VK_FORMAT_G8_B8R8_2PLANE_420_UNORM:
137 #ifdef HAVE_CROS_GRALLOC
138       return AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420;
139 #else
140       return HAL_PIXEL_FORMAT_NV12_Y_TILED_INTEL;
141 #endif
142    default:
143       return vk_image_format_to_ahb_format(vk_format);
144    }
145 }
146 
147 static VkResult
get_ahw_buffer_format_properties2(VkDevice device_h,const struct AHardwareBuffer * buffer,VkAndroidHardwareBufferFormatProperties2ANDROID * pProperties)148 get_ahw_buffer_format_properties2(
149    VkDevice device_h,
150    const struct AHardwareBuffer *buffer,
151    VkAndroidHardwareBufferFormatProperties2ANDROID *pProperties)
152 {
153    ANV_FROM_HANDLE(anv_device, device, device_h);
154 
155    /* Get a description of buffer contents . */
156    AHardwareBuffer_Desc desc;
157    AHardwareBuffer_describe(buffer, &desc);
158 
159    /* Verify description. */
160    uint64_t gpu_usage =
161       AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE |
162       AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT |
163       AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER;
164 
165    /* "Buffer must be a valid Android hardware buffer object with at least
166     * one of the AHARDWAREBUFFER_USAGE_GPU_* usage flags."
167     */
168    if (!(desc.usage & (gpu_usage)))
169       return VK_ERROR_INVALID_EXTERNAL_HANDLE;
170 
171    /* Fill properties fields based on description. */
172    VkAndroidHardwareBufferFormatProperties2ANDROID *p = pProperties;
173 
174    p->format = vk_format_from_android(desc.format, desc.usage);
175    p->externalFormat = p->format;
176 
177    const struct anv_format *anv_format =
178       anv_get_format(device->physical, p->format);
179 
180    /* Default to OPTIMAL tiling but set to linear in case
181     * of AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER usage.
182     */
183    VkImageTiling tiling = VK_IMAGE_TILING_OPTIMAL;
184 
185    if (desc.usage & AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER)
186       tiling = VK_IMAGE_TILING_LINEAR;
187 
188    p->formatFeatures =
189       anv_get_image_format_features2(device->physical, p->format, anv_format,
190                                      tiling, NULL);
191 
192    /* "Images can be created with an external format even if the Android hardware
193     *  buffer has a format which has an equivalent Vulkan format to enable
194     *  consistent handling of images from sources that might use either category
195     *  of format. However, all images created with an external format are subject
196     *  to the valid usage requirements associated with external formats, even if
197     *  the Android hardware buffer’s format has a Vulkan equivalent."
198     *
199     * "The formatFeatures member *must* include
200     *  VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT and at least one of
201     *  VK_FORMAT_FEATURE_MIDPOINT_CHROMA_SAMPLES_BIT or
202     *  VK_FORMAT_FEATURE_COSITED_CHROMA_SAMPLES_BIT"
203     */
204    p->formatFeatures |=
205       VK_FORMAT_FEATURE_2_MIDPOINT_CHROMA_SAMPLES_BIT;
206 
207    /* "Implementations may not always be able to determine the color model,
208     *  numerical range, or chroma offsets of the image contents, so the values
209     *  in VkAndroidHardwareBufferFormatPropertiesANDROID are only suggestions.
210     *  Applications should treat these values as sensible defaults to use in
211     *  the absence of more reliable information obtained through some other
212     *  means."
213     */
214    p->samplerYcbcrConversionComponents.r = VK_COMPONENT_SWIZZLE_IDENTITY;
215    p->samplerYcbcrConversionComponents.g = VK_COMPONENT_SWIZZLE_IDENTITY;
216    p->samplerYcbcrConversionComponents.b = VK_COMPONENT_SWIZZLE_IDENTITY;
217    p->samplerYcbcrConversionComponents.a = VK_COMPONENT_SWIZZLE_IDENTITY;
218 
219    p->suggestedYcbcrModel = VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601;
220    p->suggestedYcbcrRange = VK_SAMPLER_YCBCR_RANGE_ITU_FULL;
221 
222    p->suggestedXChromaOffset = VK_CHROMA_LOCATION_MIDPOINT;
223    p->suggestedYChromaOffset = VK_CHROMA_LOCATION_MIDPOINT;
224 
225    return VK_SUCCESS;
226 }
227 
228 VkResult
anv_GetAndroidHardwareBufferPropertiesANDROID(VkDevice device_h,const struct AHardwareBuffer * buffer,VkAndroidHardwareBufferPropertiesANDROID * pProperties)229 anv_GetAndroidHardwareBufferPropertiesANDROID(
230    VkDevice device_h,
231    const struct AHardwareBuffer *buffer,
232    VkAndroidHardwareBufferPropertiesANDROID *pProperties)
233 {
234    ANV_FROM_HANDLE(anv_device, dev, device_h);
235 
236    VkAndroidHardwareBufferFormatPropertiesANDROID *format_prop =
237       vk_find_struct(pProperties->pNext,
238                      ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_ANDROID);
239    /* Fill format properties of an Android hardware buffer. */
240    if (format_prop) {
241       VkAndroidHardwareBufferFormatProperties2ANDROID format_prop2 = {
242          .sType = VK_STRUCTURE_TYPE_ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_2_ANDROID,
243       };
244       get_ahw_buffer_format_properties2(device_h, buffer, &format_prop2);
245 
246       format_prop->format                 = format_prop2.format;
247       format_prop->externalFormat         = format_prop2.externalFormat;
248       format_prop->formatFeatures         =
249          vk_format_features2_to_features(format_prop2.formatFeatures);
250       format_prop->samplerYcbcrConversionComponents =
251          format_prop2.samplerYcbcrConversionComponents;
252       format_prop->suggestedYcbcrModel    = format_prop2.suggestedYcbcrModel;
253       format_prop->suggestedYcbcrRange    = format_prop2.suggestedYcbcrRange;
254       format_prop->suggestedXChromaOffset = format_prop2.suggestedXChromaOffset;
255       format_prop->suggestedYChromaOffset = format_prop2.suggestedYChromaOffset;
256    }
257 
258    VkAndroidHardwareBufferFormatProperties2ANDROID *format_prop2 =
259       vk_find_struct(pProperties->pNext,
260                      ANDROID_HARDWARE_BUFFER_FORMAT_PROPERTIES_2_ANDROID);
261    if (format_prop2)
262       get_ahw_buffer_format_properties2(device_h, buffer, format_prop2);
263 
264    /* NOTE - We support buffers with only one handle but do not error on
265     * multiple handle case. Reason is that we want to support YUV formats
266     * where we have many logical planes but they all point to the same
267     * buffer, like is the case with VK_FORMAT_G8_B8R8_2PLANE_420_UNORM.
268     */
269    const native_handle_t *handle =
270       AHardwareBuffer_getNativeHandle(buffer);
271    int dma_buf = (handle && handle->numFds) ? handle->data[0] : -1;
272    if (dma_buf < 0)
273       return VK_ERROR_INVALID_EXTERNAL_HANDLE;
274 
275    /* All memory types. */
276    uint32_t memory_types = (1ull << dev->physical->memory.type_count) - 1;
277 
278    pProperties->allocationSize = lseek(dma_buf, 0, SEEK_END);
279    pProperties->memoryTypeBits = memory_types;
280 
281    return VK_SUCCESS;
282 }
283 
284 #endif
285 
286 /*
287  * Called from anv_AllocateMemory when import AHardwareBuffer.
288  */
289 VkResult
anv_import_ahw_memory(VkDevice device_h,struct anv_device_memory * mem)290 anv_import_ahw_memory(VkDevice device_h,
291                       struct anv_device_memory *mem)
292 {
293 #if ANDROID_API_LEVEL >= 26
294    ANV_FROM_HANDLE(anv_device, device, device_h);
295 
296    /* Import from AHardwareBuffer to anv_device_memory. */
297    const native_handle_t *handle =
298       AHardwareBuffer_getNativeHandle(mem->vk.ahardware_buffer);
299 
300    /* NOTE - We support buffers with only one handle but do not error on
301     * multiple handle case. Reason is that we want to support YUV formats
302     * where we have many logical planes but they all point to the same
303     * buffer, like is the case with VK_FORMAT_G8_B8R8_2PLANE_420_UNORM.
304     */
305    int dma_buf = (handle && handle->numFds) ? handle->data[0] : -1;
306    if (dma_buf < 0)
307       return VK_ERROR_INVALID_EXTERNAL_HANDLE;
308 
309    VkResult result = anv_device_import_bo(device, dma_buf,
310                                           ANV_BO_ALLOC_EXTERNAL,
311                                           0 /* client_address */,
312                                           &mem->bo);
313    assert(result == VK_SUCCESS);
314 
315    return VK_SUCCESS;
316 #else
317    return VK_ERROR_EXTENSION_NOT_PRESENT;
318 #endif
319 }
320 
321 VkResult
anv_android_get_tiling(struct anv_device * device,struct u_gralloc_buffer_handle * gr_handle,enum isl_tiling * tiling_out)322 anv_android_get_tiling(struct anv_device *device,
323                        struct u_gralloc_buffer_handle *gr_handle,
324                        enum isl_tiling *tiling_out)
325 {
326    assert(device->u_gralloc);
327 
328    struct u_gralloc_buffer_basic_info buf_info;
329    if (u_gralloc_get_buffer_basic_info(device->u_gralloc, gr_handle, &buf_info))
330       return vk_errorf(device, VK_ERROR_INVALID_EXTERNAL_HANDLE,
331                        "failed to get tiling from gralloc buffer info");
332 
333    const struct isl_drm_modifier_info *mod_info =
334       isl_drm_modifier_get_info(buf_info.modifier);
335    if (!mod_info) {
336       return vk_errorf(device, VK_ERROR_INVALID_EXTERNAL_HANDLE,
337                        "invalid drm modifier from VkNativeBufferANDROID "
338                        "gralloc buffer info 0x%"PRIx64"", buf_info.modifier);
339    }
340 
341    *tiling_out = mod_info->tiling;
342    return VK_SUCCESS;
343 }
344 
345 VkResult
anv_image_init_from_gralloc(struct anv_device * device,struct anv_image * image,const VkImageCreateInfo * base_info,const VkNativeBufferANDROID * gralloc_info)346 anv_image_init_from_gralloc(struct anv_device *device,
347                             struct anv_image *image,
348                             const VkImageCreateInfo *base_info,
349                             const VkNativeBufferANDROID *gralloc_info)
350 {
351    struct anv_bo *bo = NULL;
352    VkResult result;
353 
354    struct anv_image_create_info anv_info = {
355       .vk_info = base_info,
356       .isl_extra_usage_flags = ISL_SURF_USAGE_DISABLE_AUX_BIT,
357    };
358 
359    /* Do not close the gralloc handle's dma_buf. The lifetime of the dma_buf
360     * must exceed that of the gralloc handle, and we do not own the gralloc
361     * handle.
362     */
363    int dma_buf = gralloc_info->handle->data[0];
364 
365    /* If this function fails and if the imported bo was resident in the cache,
366     * we should avoid updating the bo's flags. Therefore, we defer updating
367     * the flags until success is certain.
368     *
369     */
370    result = anv_device_import_bo(device, dma_buf,
371                                  ANV_BO_ALLOC_EXTERNAL,
372                                  0 /* client_address */,
373                                  &bo);
374    if (result != VK_SUCCESS) {
375       return vk_errorf(device, result,
376                        "failed to import dma-buf from VkNativeBufferANDROID");
377    }
378 
379    enum isl_tiling tiling;
380    if (device->u_gralloc) {
381       struct u_gralloc_buffer_handle gr_handle = {
382          .handle = gralloc_info->handle,
383          .hal_format = gralloc_info->format,
384          .pixel_stride = gralloc_info->stride,
385       };
386       result = anv_android_get_tiling(device, &gr_handle, &tiling);
387       if (result != VK_SUCCESS)
388          return result;
389    } else {
390       /* Fallback to get_tiling API. */
391       result = anv_device_get_bo_tiling(device, bo, &tiling);
392       if (result != VK_SUCCESS) {
393          return vk_errorf(device, result,
394                           "failed to get tiling from VkNativeBufferANDROID");
395       }
396    }
397    anv_info.isl_tiling_flags = 1u << tiling;
398 
399    anv_info.stride = gralloc_info->stride;
400 
401    result = anv_image_init(device, image, &anv_info);
402    if (result != VK_SUCCESS)
403       goto fail_init;
404 
405    VkMemoryRequirements2 mem_reqs = {
406       .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
407    };
408 
409    anv_image_get_memory_requirements(device, image, image->vk.aspects,
410                                      &mem_reqs);
411 
412    VkDeviceSize aligned_image_size =
413       align64(mem_reqs.memoryRequirements.size,
414               mem_reqs.memoryRequirements.alignment);
415 
416    if (bo->size < aligned_image_size) {
417       result = vk_errorf(device, VK_ERROR_INVALID_EXTERNAL_HANDLE,
418                          "dma-buf from VkNativeBufferANDROID is too small for "
419                          "VkImage: %"PRIu64"B < %"PRIu64"B",
420                          bo->size, aligned_image_size);
421       goto fail_size;
422    }
423 
424    assert(!image->disjoint);
425    assert(image->n_planes == 1);
426    assert(image->planes[0].primary_surface.memory_range.binding ==
427           ANV_IMAGE_MEMORY_BINDING_MAIN);
428    assert(image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address.bo == NULL);
429    assert(image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address.offset == 0);
430    image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address.bo = bo;
431    image->from_gralloc = true;
432 
433    return VK_SUCCESS;
434 
435  fail_size:
436    anv_image_finish(image);
437  fail_init:
438    anv_device_release_bo(device, bo);
439 
440    return result;
441 }
442 
443 VkResult
anv_image_bind_from_gralloc(struct anv_device * device,struct anv_image * image,const VkNativeBufferANDROID * gralloc_info)444 anv_image_bind_from_gralloc(struct anv_device *device,
445                             struct anv_image *image,
446                             const VkNativeBufferANDROID *gralloc_info)
447 {
448    /* Do not close the gralloc handle's dma_buf. The lifetime of the dma_buf
449     * must exceed that of the gralloc handle, and we do not own the gralloc
450     * handle.
451     */
452    int dma_buf = gralloc_info->handle->data[0];
453 
454    /* If this function fails and if the imported bo was resident in the cache,
455     * we should avoid updating the bo's flags. Therefore, we defer updating
456     * the flags until success is certain.
457     *
458     */
459    struct anv_bo *bo = NULL;
460    VkResult result = anv_device_import_bo(device, dma_buf,
461                                           ANV_BO_ALLOC_EXTERNAL,
462                                           0 /* client_address */,
463                                           &bo);
464    if (result != VK_SUCCESS) {
465       return vk_errorf(device, result,
466                        "failed to import dma-buf from VkNativeBufferANDROID");
467    }
468 
469    VkMemoryRequirements2 mem_reqs = {
470       .sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2,
471    };
472 
473    anv_image_get_memory_requirements(device, image, image->vk.aspects,
474                                      &mem_reqs);
475 
476    VkDeviceSize aligned_image_size =
477       align64(mem_reqs.memoryRequirements.size,
478               mem_reqs.memoryRequirements.alignment);
479 
480    if (bo->size < aligned_image_size) {
481       result = vk_errorf(device, VK_ERROR_INVALID_EXTERNAL_HANDLE,
482                          "dma-buf from VkNativeBufferANDROID is too small for "
483                          "VkImage: %"PRIu64"B < %"PRIu64"B",
484                          bo->size, aligned_image_size);
485       anv_device_release_bo(device, bo);
486       return result;
487    }
488 
489    assert(!image->disjoint);
490    assert(image->n_planes == 1);
491    assert(image->planes[0].primary_surface.memory_range.binding ==
492           ANV_IMAGE_MEMORY_BINDING_MAIN);
493    assert(image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address.bo == NULL);
494    assert(image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address.offset == 0);
495    image->bindings[ANV_IMAGE_MEMORY_BINDING_MAIN].address.bo = bo;
496    image->from_gralloc = true;
497 
498    return VK_SUCCESS;
499 }
500 
501 static VkResult
format_supported_with_usage(VkDevice device_h,VkFormat format,VkImageUsageFlags imageUsage)502 format_supported_with_usage(VkDevice device_h, VkFormat format,
503                             VkImageUsageFlags imageUsage)
504 {
505    ANV_FROM_HANDLE(anv_device, device, device_h);
506    VkPhysicalDevice phys_dev_h = anv_physical_device_to_handle(device->physical);
507    VkResult result;
508 
509    const VkPhysicalDeviceImageFormatInfo2 image_format_info = {
510       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2,
511       .format = format,
512       .type = VK_IMAGE_TYPE_2D,
513       .tiling = VK_IMAGE_TILING_OPTIMAL,
514       .usage = imageUsage,
515    };
516 
517    VkImageFormatProperties2 image_format_props = {
518       .sType = VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2,
519    };
520 
521    /* Check that requested format and usage are supported. */
522    result = anv_GetPhysicalDeviceImageFormatProperties2(phys_dev_h,
523                &image_format_info, &image_format_props);
524    if (result != VK_SUCCESS) {
525       return vk_errorf(device, result,
526                        "anv_GetPhysicalDeviceImageFormatProperties2 failed "
527                        "inside %s", __func__);
528    }
529    return VK_SUCCESS;
530 }
531 
532 
533 static VkResult
setup_gralloc0_usage(struct anv_device * device,VkFormat format,VkImageUsageFlags imageUsage,int * grallocUsage)534 setup_gralloc0_usage(struct anv_device *device, VkFormat format,
535                      VkImageUsageFlags imageUsage, int *grallocUsage)
536 {
537    /* WARNING: Android's libvulkan.so hardcodes the VkImageUsageFlags
538     * returned to applications via VkSurfaceCapabilitiesKHR::supportedUsageFlags.
539     * The relevant code in libvulkan/swapchain.cpp contains this fun comment:
540     *
541     *     TODO(jessehall): I think these are right, but haven't thought hard
542     *     about it. Do we need to query the driver for support of any of
543     *     these?
544     *
545     * Any disagreement between this function and the hardcoded
546     * VkSurfaceCapabilitiesKHR:supportedUsageFlags causes tests
547     * dEQP-VK.wsi.android.swapchain.*.image_usage to fail.
548     */
549 
550    if (unmask32(&imageUsage, VK_IMAGE_USAGE_TRANSFER_DST_BIT |
551                              VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT))
552       *grallocUsage |= GRALLOC_USAGE_HW_RENDER;
553 
554    if (unmask32(&imageUsage, VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
555                              VK_IMAGE_USAGE_SAMPLED_BIT |
556                              VK_IMAGE_USAGE_STORAGE_BIT |
557                              VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT))
558       *grallocUsage |= GRALLOC_USAGE_HW_TEXTURE;
559 
560    /* All VkImageUsageFlags not explicitly checked here are unsupported for
561     * gralloc swapchains.
562     */
563    if (imageUsage != 0) {
564       return vk_errorf(device, VK_ERROR_FORMAT_NOT_SUPPORTED,
565                        "unsupported VkImageUsageFlags(0x%x) for gralloc "
566                        "swapchain", imageUsage);
567    }
568 
569    /* The below formats support GRALLOC_USAGE_HW_FB (that is, display
570     * scanout). This short list of formats is univserally supported on Intel
571     * but is incomplete.  The full set of supported formats is dependent on
572     * kernel and hardware.
573     *
574     * FINISHME: Advertise all display-supported formats.
575     */
576    switch (format) {
577       case VK_FORMAT_B8G8R8A8_UNORM:
578       case VK_FORMAT_R5G6B5_UNORM_PACK16:
579       case VK_FORMAT_R8G8B8A8_UNORM:
580       case VK_FORMAT_R8G8B8A8_SRGB:
581          *grallocUsage |= GRALLOC_USAGE_HW_FB |
582                           GRALLOC_USAGE_HW_COMPOSER |
583                           GRALLOC_USAGE_EXTERNAL_DISP;
584          break;
585       default:
586          mesa_logw("%s: unsupported format=%d", __func__, format);
587    }
588 
589    if (*grallocUsage == 0)
590       return VK_ERROR_FORMAT_NOT_SUPPORTED;
591 
592    return VK_SUCCESS;
593 }
594 
595 #if ANDROID_API_LEVEL >= 26
anv_GetSwapchainGrallocUsage2ANDROID(VkDevice device_h,VkFormat format,VkImageUsageFlags imageUsage,VkSwapchainImageUsageFlagsANDROID swapchainImageUsage,uint64_t * grallocConsumerUsage,uint64_t * grallocProducerUsage)596 VkResult anv_GetSwapchainGrallocUsage2ANDROID(
597     VkDevice            device_h,
598     VkFormat            format,
599     VkImageUsageFlags   imageUsage,
600     VkSwapchainImageUsageFlagsANDROID swapchainImageUsage,
601     uint64_t*           grallocConsumerUsage,
602     uint64_t*           grallocProducerUsage)
603 {
604    ANV_FROM_HANDLE(anv_device, device, device_h);
605    VkResult result;
606 
607    *grallocConsumerUsage = 0;
608    *grallocProducerUsage = 0;
609    mesa_logd("%s: format=%d, usage=0x%x, swapchainUsage=0x%x", __func__, format,
610              imageUsage, swapchainImageUsage);
611 
612    result = format_supported_with_usage(device_h, format, imageUsage);
613    if (result != VK_SUCCESS)
614       return result;
615 
616    int32_t grallocUsage = 0;
617    result = setup_gralloc0_usage(device, format, imageUsage, &grallocUsage);
618    if (result != VK_SUCCESS)
619       return result;
620 
621    /* Setup gralloc1 usage flags from gralloc0 flags. */
622 
623    if (grallocUsage & GRALLOC_USAGE_HW_RENDER) {
624       *grallocProducerUsage |= GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET;
625       *grallocConsumerUsage |= GRALLOC1_CONSUMER_USAGE_CLIENT_TARGET;
626    }
627 
628    if (grallocUsage & GRALLOC_USAGE_HW_TEXTURE) {
629       *grallocConsumerUsage |= GRALLOC1_CONSUMER_USAGE_GPU_TEXTURE;
630    }
631 
632    if (grallocUsage & (GRALLOC_USAGE_HW_FB |
633                        GRALLOC_USAGE_HW_COMPOSER |
634                        GRALLOC_USAGE_EXTERNAL_DISP)) {
635       *grallocProducerUsage |= GRALLOC1_PRODUCER_USAGE_GPU_RENDER_TARGET;
636       *grallocConsumerUsage |= GRALLOC1_CONSUMER_USAGE_HWCOMPOSER;
637    }
638 
639    if ((swapchainImageUsage & VK_SWAPCHAIN_IMAGE_USAGE_SHARED_BIT_ANDROID) &&
640        device->u_gralloc != NULL) {
641       uint64_t front_rendering_usage = 0;
642       u_gralloc_get_front_rendering_usage(device->u_gralloc, &front_rendering_usage);
643       *grallocProducerUsage |= front_rendering_usage;
644    }
645 
646    return VK_SUCCESS;
647 }
648 #endif
649 
anv_GetSwapchainGrallocUsageANDROID(VkDevice device_h,VkFormat format,VkImageUsageFlags imageUsage,int * grallocUsage)650 VkResult anv_GetSwapchainGrallocUsageANDROID(
651     VkDevice            device_h,
652     VkFormat            format,
653     VkImageUsageFlags   imageUsage,
654     int*                grallocUsage)
655 {
656    ANV_FROM_HANDLE(anv_device, device, device_h);
657    VkResult result;
658 
659    *grallocUsage = 0;
660    mesa_logd("%s: format=%d, usage=0x%x", __func__, format, imageUsage);
661 
662    result = format_supported_with_usage(device_h, format, imageUsage);
663    if (result != VK_SUCCESS)
664       return result;
665 
666    return setup_gralloc0_usage(device, format, imageUsage, grallocUsage);
667 }
668