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radv: Determine memory type for import based on fd.

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This would be necessary for an application to figure out if the
memory was allocated using a memory type with VK_MEMORY_PROPERTY_PROTECTED_BIT.

It also allows one to determine VRAM vs. GTT etc.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4751>
This commit is contained in:
Bas Nieuwenhuizen 2020-04-26 01:52:44 +02:00
parent f30983be3a
commit 7262c743dc
1 changed files with 61 additions and 15 deletions
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52
src/amd/vulkan/radv_device.c
View file

@ -7186,6 +7186,47 @@ VkResult radv_GetMemoryFdKHR(VkDevice _device,
return VK_SUCCESS; return VK_SUCCESS;
} }
static uint32_t radv_compute_valid_memory_types_attempt(struct radv_physical_device *dev,
enum radeon_bo_domain domains,
enum radeon_bo_flag flags,
enum radeon_bo_flag ignore_flags)
{
/* Don't count GTT/CPU as relevant:
*
* - We're not fully consistent between the two.
* - Sometimes VRAM gets VRAM|GTT.
*/
const enum radeon_bo_domain relevant_domains = RADEON_DOMAIN_VRAM |
RADEON_DOMAIN_GDS |
RADEON_DOMAIN_OA;
uint32_t bits = 0;
for (unsigned i = 0; i < dev->memory_properties.memoryTypeCount; ++i) {
if ((domains & relevant_domains) != (dev->memory_domains[i] & relevant_domains))
continue;
if ((flags & ~ignore_flags) != (dev->memory_flags[i] & ~ignore_flags))
continue;
bits |= 1u << i;
}
return bits;
}
static uint32_t radv_compute_valid_memory_types(struct radv_physical_device *dev,
enum radeon_bo_domain domains,
enum radeon_bo_flag flags)
{
enum radeon_bo_flag ignore_flags = ~(RADEON_FLAG_NO_CPU_ACCESS | RADEON_FLAG_GTT_WC);
uint32_t bits = radv_compute_valid_memory_types_attempt(dev, domains, flags, ignore_flags);
if (!bits) {
ignore_flags |= RADEON_FLAG_NO_CPU_ACCESS;
bits = radv_compute_valid_memory_types_attempt(dev, domains, flags, ignore_flags);
}
return bits;
}
VkResult radv_GetMemoryFdPropertiesKHR(VkDevice _device, VkResult radv_GetMemoryFdPropertiesKHR(VkDevice _device,
VkExternalMemoryHandleTypeFlagBits handleType, VkExternalMemoryHandleTypeFlagBits handleType,
int fd, int fd,
@ -7194,10 +7235,15 @@ VkResult radv_GetMemoryFdPropertiesKHR(VkDevice _device,
RADV_FROM_HANDLE(radv_device, device, _device); RADV_FROM_HANDLE(radv_device, device, _device);
switch (handleType) { switch (handleType) {
case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT: case VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT: {
pMemoryFdProperties->memoryTypeBits = (1 << device->physical_device->memory_properties.memoryTypeCount) - 1; enum radeon_bo_domain domains;
return VK_SUCCESS; enum radeon_bo_flag flags;
if (!device->ws->buffer_get_flags_from_fd(device->ws, fd, &domains, &flags))
return vk_error(device->instance, VK_ERROR_INVALID_EXTERNAL_HANDLE);
pMemoryFdProperties->memoryTypeBits = radv_compute_valid_memory_types(device->physical_device, domains, flags);
return VK_SUCCESS;
}
default: default:
/* The valid usage section for this function says: /* The valid usage section for this function says:
* *