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radv: Implement WaitForFences with !waitAll.

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Nothing to do except using a busy wait loop. At least for old kernels.

A better implementation for newer kernels to come later.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105255
Fixes: f4e499ec79 "radv: add initial non-conformant radv vulkan driver"
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen 2018-02-26 22:50:41 +01:00
parent 49879f3778
commit 2a404c6f92
1 changed files with 16 additions and 6 deletions
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22
src/amd/vulkan/radv_device.c
View file

@ -2890,13 +2890,17 @@ void radv_DestroyFence(
vk_free2(&device->alloc, pAllocator, fence);
}
static uint64_t radv_get_current_time()
{
struct timespec tv;
clock_gettime(CLOCK_MONOTONIC, &tv);
return tv.tv_nsec + tv.tv_sec*1000000000ull;
}
static uint64_t radv_get_absolute_timeout(uint64_t timeout)
{
uint64_t current_time;
struct timespec tv;
clock_gettime(CLOCK_MONOTONIC, &tv);
current_time = tv.tv_nsec + tv.tv_sec*1000000000ull;
uint64_t current_time = radv_get_current_time();
timeout = MIN2(UINT64_MAX - current_time, timeout);
@ -2914,7 +2918,13 @@ VkResult radv_WaitForFences(
timeout = radv_get_absolute_timeout(timeout);
if (!waitAll && fenceCount > 1) {
fprintf(stderr, "radv: WaitForFences without waitAll not implemented yet\n");
while(radv_get_current_time() <= timeout) {
for (uint32_t i = 0; i < fenceCount; ++i) {
if (radv_GetFenceStatus(_device, pFences[i]) == VK_SUCCESS)
return VK_SUCCESS;
}
}
return VK_TIMEOUT;
}
for (uint32_t i = 0; i < fenceCount; ++i) {