[FFmpeg-cvslog] avutil/hwcontext_vulkan: check if expect_assume is supported by the header

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Tue Apr 15 16:44:41 2025 -0300| [f29475a89ecbd7cb4b744c652a7a13a7fb9f2edb] | committer: James Almer

avutil/hwcontext_vulkan: check if expect_assume is supported by the header

Reviewed-by: Lynne <dev at lynne.ee>
Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f29475a89ecbd7cb4b744c652a7a13a7fb9f2edb
---

 libavutil/hwcontext_vulkan.c | 9 +++++++++
 libavutil/vulkan_loader.h    | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 8823af0175..2bd519df04 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -79,7 +79,10 @@ typedef struct VulkanDeviceFeatures {
     VkPhysicalDeviceVulkan12Features vulkan_1_2;
     VkPhysicalDeviceVulkan13Features vulkan_1_3;
     VkPhysicalDeviceTimelineSemaphoreFeatures timeline_semaphore;
+
+#ifdef VK_KHR_shader_expect_assume
     VkPhysicalDeviceShaderExpectAssumeFeatures expect_assume;
+#endif
 
     VkPhysicalDeviceVideoMaintenance1FeaturesKHR video_maintenance_1;
 #ifdef VK_KHR_video_maintenance2
@@ -211,8 +214,10 @@ 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_shader_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 +311,9 @@ static void device_features_copy_needed(VulkanDeviceFeatures *dst, VulkanDeviceF
     COPY_VAL(relaxed_extended_instruction.shaderRelaxedExtendedInstruction);
 #endif
 
+#ifdef VK_KHR_shader_expect_assume
     COPY_VAL(expect_assume.shaderExpectAssume);
+#endif
 
     COPY_VAL(optical_flow.opticalFlow);
 #undef COPY_VAL
@@ -622,7 +629,9 @@ 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_shader_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..eaf6e2e6bb 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_shader_expect_assume
         { VK_KHR_SHADER_EXPECT_ASSUME_EXTENSION_NAME,      FF_VK_EXT_EXPECT_ASSUME          },
+#endif
     };
 
     FFVulkanExtensions mask = 0x0;