[FFmpeg-devel] [PATCH] hwcontext_vulkan: check if expect_assume is supported by the headers
Lynne
dev at lynne.ee
Tue Apr 15 22:31:37 EEST 2025
---
libavutil/hwcontext_vulkan.c | 8 ++++++++
libavutil/vulkan_loader.h | 2 ++
2 files changed, 10 insertions(+)
diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 8823af0175..f878dfec76 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -79,7 +79,9 @@ typedef struct VulkanDeviceFeatures {
VkPhysicalDeviceVulkan12Features vulkan_1_2;
VkPhysicalDeviceVulkan13Features vulkan_1_3;
VkPhysicalDeviceTimelineSemaphoreFeatures timeline_semaphore;
+#ifdef VK_KHR_expect_assume
VkPhysicalDeviceShaderExpectAssumeFeatures expect_assume;
+#endif
VkPhysicalDeviceVideoMaintenance1FeaturesKHR video_maintenance_1;
#ifdef VK_KHR_video_maintenance2
@@ -211,8 +213,10 @@ static void device_features_init(AVHWDeviceContext *ctx, VulkanDeviceFeatures *f
OPT_CHAIN(&feats->timeline_semaphore, FF_VK_EXT_PORTABILITY_SUBSET,
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TIMELINE_SEMAPHORE_FEATURES);
+#ifdef VK_KHR_expect_assume
OPT_CHAIN(&feats->expect_assume, FF_VK_EXT_EXPECT_ASSUME,
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_EXPECT_ASSUME_FEATURES_KHR);
+#endif
OPT_CHAIN(&feats->video_maintenance_1, FF_VK_EXT_VIDEO_MAINTENANCE_1,
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VIDEO_MAINTENANCE_1_FEATURES_KHR);
@@ -306,7 +310,9 @@ static void device_features_copy_needed(VulkanDeviceFeatures *dst, VulkanDeviceF
COPY_VAL(relaxed_extended_instruction.shaderRelaxedExtendedInstruction);
#endif
+#ifdef VK_KHR_expect_assume
COPY_VAL(expect_assume.shaderExpectAssume);
+#endif
COPY_VAL(optical_flow.opticalFlow);
#undef COPY_VAL
@@ -622,7 +628,9 @@ static const VulkanOptExtension optional_device_exts[] = {
{ VK_KHR_COOPERATIVE_MATRIX_EXTENSION_NAME, FF_VK_EXT_COOP_MATRIX },
{ VK_NV_OPTICAL_FLOW_EXTENSION_NAME, FF_VK_EXT_OPTICAL_FLOW },
{ VK_EXT_SHADER_OBJECT_EXTENSION_NAME, FF_VK_EXT_SHADER_OBJECT },
+#ifdef VK_KHR_expect_assume
{ VK_KHR_SHADER_EXPECT_ASSUME_EXTENSION_NAME, FF_VK_EXT_EXPECT_ASSUME },
+#endif
{ VK_KHR_VIDEO_MAINTENANCE_1_EXTENSION_NAME, FF_VK_EXT_VIDEO_MAINTENANCE_1 },
#ifdef VK_KHR_video_maintenance2
{ VK_KHR_VIDEO_MAINTENANCE_2_EXTENSION_NAME, FF_VK_EXT_VIDEO_MAINTENANCE_2 },
diff --git a/libavutil/vulkan_loader.h b/libavutil/vulkan_loader.h
index 3641fcb22e..46172403ba 100644
--- a/libavutil/vulkan_loader.h
+++ b/libavutil/vulkan_loader.h
@@ -76,7 +76,9 @@ static inline uint64_t ff_vk_extensions_to_mask(const char * const *extensions,
{ VK_KHR_VIDEO_DECODE_H265_EXTENSION_NAME, FF_VK_EXT_VIDEO_DECODE_H265 },
{ VK_KHR_VIDEO_DECODE_AV1_EXTENSION_NAME, FF_VK_EXT_VIDEO_DECODE_AV1 },
{ VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME, FF_VK_EXT_PUSH_DESCRIPTOR },
+#ifdef VK_KHR_expect_assume
{ VK_KHR_SHADER_EXPECT_ASSUME_EXTENSION_NAME, FF_VK_EXT_EXPECT_ASSUME },
+#endif
};
FFVulkanExtensions mask = 0x0;
--
2.49.0.395.g12beb8f557c
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