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Git pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new 712a8f9e84 lavu/vulkan: properly set the required subgroup size for
loaded shaders
712a8f9e84 is described below
commit 712a8f9e84038a3e10015de78fb513f650bb7aec
Author: Lynne <[email protected]>
AuthorDate: Wed Aug 19 02:12:09 2026 +0900
Commit: Lynne <[email protected]>
CommitDate: Wed Aug 19 02:14:01 2026 +0900
lavu/vulkan: properly set the required subgroup size for loaded shaders
This was forgotten/left out somehow.
---
libavutil/vulkan.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavutil/vulkan.c b/libavutil/vulkan.c
index 021b8d989c..4c3dbc9117 100644
--- a/libavutil/vulkan.c
+++ b/libavutil/vulkan.c
@@ -2246,6 +2246,11 @@ int ff_vk_shader_load(FFVulkanShader *shd,
shd->specialization_info = spec;
memcpy(shd->lg_size, wg_size, 3*sizeof(uint32_t));
+ shd->subgroup_info = (VkPipelineShaderStageRequiredSubgroupSizeCreateInfo)
{
+ .sType =
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_REQUIRED_SUBGROUP_SIZE_CREATE_INFO,
+ .requiredSubgroupSize = required_subgroup_size,
+ };
+
switch (shd->stage) {
case VK_SHADER_STAGE_ANY_HIT_BIT_KHR:
case VK_SHADER_STAGE_CALLABLE_BIT_KHR:
@@ -2362,6 +2367,8 @@ static int create_shader_object(FFVulkanContext *s,
FFVulkanShader *shd,
VkShaderCreateInfoEXT shader_obj_create = {
.sType = VK_STRUCTURE_TYPE_SHADER_CREATE_INFO_EXT,
+ .pNext = shd->subgroup_info.requiredSubgroupSize ?
+ &shd->subgroup_info : NULL,
.flags = shd->subgroup_info.requiredSubgroupSize ?
VK_SHADER_CREATE_REQUIRE_FULL_SUBGROUPS_BIT_EXT : 0x0,
.stage = shd->stage,
--
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