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vkd3d: Avoid heap memory allocations while updating descriptor tables.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2018-10-19 16:55:47 +02:00 committed by Alexandre Julliard
parent 78c203b395
commit dd26e59043
1 changed files with 12 additions and 15 deletions
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27
libs/vkd3d/command.c
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@ -2084,13 +2084,13 @@ static void d3d12_command_list_update_descriptor_table(struct d3d12_command_list
VkPipelineBindPoint bind_point, unsigned int index, D3D12_GPU_DESCRIPTOR_HANDLE base_descriptor)
{
struct vkd3d_pipeline_bindings *bindings = &list->pipeline_bindings[bind_point];
struct VkWriteDescriptorSet descriptor_writes[24], *current_descriptor_write;
const struct d3d12_root_signature *root_signature = bindings->root_signature;
struct VkWriteDescriptorSet *descriptor_writes, *current_descriptor_write;
const struct vkd3d_vk_device_procs *vk_procs = &list->device->vk_procs;
struct VkDescriptorImageInfo *image_infos, *current_image_info;
struct VkDescriptorImageInfo image_infos[24], *current_image_info;
const struct d3d12_root_descriptor_table *descriptor_table;
const struct d3d12_root_descriptor_table_range *range;
struct d3d12_device *device = list->device;
VkDevice vk_device = list->device->vk_device;
unsigned int i, j, descriptor_count;
struct d3d12_desc *descriptor;
@ -2110,14 +2110,6 @@ static void d3d12_command_list_update_descriptor_table(struct d3d12_command_list
return;
}
if (!(descriptor_writes = vkd3d_calloc(descriptor_count, sizeof(*descriptor_writes))))
return;
if (!(image_infos = vkd3d_calloc(descriptor_count, sizeof(*image_infos))))
{
vkd3d_free(descriptor_writes);
return;
}
descriptor_count = 0;
current_descriptor_write = descriptor_writes;
current_image_info = image_infos;
@ -2153,13 +2145,18 @@ static void d3d12_command_list_update_descriptor_table(struct d3d12_command_list
++descriptor_count;
++current_descriptor_write;
++current_image_info;
if (descriptor_count == ARRAY_SIZE(descriptor_writes))
{
VK_CALL(vkUpdateDescriptorSets(vk_device, descriptor_count, descriptor_writes, 0, NULL));
descriptor_count = 0;
current_descriptor_write = descriptor_writes;
current_image_info = image_infos;
}
}
}
VK_CALL(vkUpdateDescriptorSets(device->vk_device, descriptor_count, descriptor_writes, 0, NULL));
vkd3d_free(descriptor_writes);
vkd3d_free(image_infos);
VK_CALL(vkUpdateDescriptorSets(vk_device, descriptor_count, descriptor_writes, 0, NULL));
}
static bool vk_write_descriptor_set_from_root_descriptor(VkWriteDescriptorSet *vk_descriptor_write,