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anv: Implement VK_KHR_maintenance3

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Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
This commit is contained in:
Jason Ekstrand
2017-10-05 16:03:29 -07:00
parent 1deb7967c8
commit ddc4069122
4 changed files with 77 additions and 18 deletions
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45
src/intel/vulkan/anv_descriptor_set.c
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@@ -35,6 +35,51 @@
* Descriptor set layouts.
*/
void anv_GetDescriptorSetLayoutSupport(
VkDevice device,
const VkDescriptorSetLayoutCreateInfo* pCreateInfo,
VkDescriptorSetLayoutSupport* pSupport)
{
uint32_t surface_count[MESA_SHADER_STAGES] = { 0, };
for (uint32_t b = 0; b <= pCreateInfo->bindingCount; b++) {
const VkDescriptorSetLayoutBinding *binding = &pCreateInfo->pBindings[b];
switch (binding->descriptorType) {
case VK_DESCRIPTOR_TYPE_SAMPLER:
/* There is no real limit on samplers */
break;
case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
if (binding->pImmutableSamplers) {
for (uint32_t i = 0; i < binding->descriptorCount; i++) {
ANV_FROM_HANDLE(anv_sampler, sampler,
binding->pImmutableSamplers[i]);
anv_foreach_stage(s, binding->stageFlags)
surface_count[s] += sampler->n_planes;
}
}
break;
default:
anv_foreach_stage(s, binding->stageFlags)
surface_count[s] += binding->descriptorCount;
break;
}
}
bool supported = true;
for (unsigned s = 0; s < MESA_SHADER_STAGES; s++) {
/* Our maximum binding table size is 250 and we need to reserve 8 for
* render targets. 240 is a nice round number.
*/
if (surface_count[s] >= 240)
supported = false;
}
pSupport->supported = supported;
}
VkResult anv_CreateDescriptorSetLayout(
VkDevice _device,
const VkDescriptorSetLayoutCreateInfo* pCreateInfo,