ffmpeg | branch: master | Lynne <d...@lynne.ee> | Wed Jul 24 12:58:34 2024 
+0200| [55adcb4fc516eb3f14a24a497c81dd1e39e42777] | committer: Lynne

hwcontext_vulkan: add support for VK_EXT_shader_object

We'd like to use it eventually, and its already covered by
the minimum version of the headers we require.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=55adcb4fc516eb3f14a24a497c81dd1e39e42777
---

 libavutil/hwcontext_vulkan.c | 14 ++++++++++++--
 libavutil/vulkan_functions.h |  7 ++++++-
 libavutil/vulkan_loader.h    |  1 +
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 3cc037d1f4..ebd6e083e4 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -93,6 +93,7 @@ typedef struct VulkanDevicePriv {
     VkPhysicalDeviceShaderAtomicFloatFeaturesEXT atomic_float_features;
     VkPhysicalDeviceCooperativeMatrixFeaturesKHR coop_matrix_features;
     VkPhysicalDeviceOpticalFlowFeaturesNV optical_flow_features;
+    VkPhysicalDeviceShaderObjectFeaturesEXT shader_object_features;
 
     /* Queues */
     pthread_mutex_t **qf_mutex;
@@ -421,6 +422,7 @@ static const VulkanOptExtension optional_device_exts[] = {
     { VK_EXT_SHADER_ATOMIC_FLOAT_EXTENSION_NAME,              
FF_VK_EXT_ATOMIC_FLOAT           },
     { 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          },
 
     /* Imports/exports */
     { VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,               
FF_VK_EXT_EXTERNAL_FD_MEMORY     },
@@ -1312,9 +1314,13 @@ static int 
vulkan_device_create_internal(AVHWDeviceContext *ctx,
     VkPhysicalDeviceTimelineSemaphoreFeatures timeline_features = {
         .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TIMELINE_SEMAPHORE_FEATURES,
     };
+    VkPhysicalDeviceShaderObjectFeaturesEXT shader_object_features = {
+        .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_OBJECT_FEATURES_EXT,
+        .pNext = &timeline_features,
+    };
     VkPhysicalDeviceOpticalFlowFeaturesNV optical_flow_features = {
         .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_OPTICAL_FLOW_FEATURES_NV,
-        .pNext = &timeline_features,
+        .pNext = &shader_object_features,
     };
     VkPhysicalDeviceCooperativeMatrixFeaturesKHR coop_matrix_features = {
         .sType = 
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COOPERATIVE_MATRIX_FEATURES_KHR,
@@ -1364,7 +1370,9 @@ static int 
vulkan_device_create_internal(AVHWDeviceContext *ctx,
     p->coop_matrix_features.sType = 
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_COOPERATIVE_MATRIX_FEATURES_KHR;
     p->coop_matrix_features.pNext = &p->optical_flow_features;
     p->optical_flow_features.sType = 
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_OPTICAL_FLOW_FEATURES_NV;
-    p->optical_flow_features.pNext = NULL;
+    p->optical_flow_features.pNext = &p->shader_object_features;
+    p->shader_object_features.sType = 
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_OBJECT_FEATURES_EXT;
+    p->shader_object_features.pNext = NULL;
 
     ctx->free = vulkan_device_free;
 
@@ -1432,6 +1440,8 @@ static int 
vulkan_device_create_internal(AVHWDeviceContext *ctx,
 
     p->optical_flow_features.opticalFlow = optical_flow_features.opticalFlow;
 
+    p->shader_object_features.shaderObject = 
shader_object_features.shaderObject;
+
     dev_info.pNext = &hwctx->device_features;
 
     /* Setup queue family */
diff --git a/libavutil/vulkan_functions.h b/libavutil/vulkan_functions.h
index 3f0b96f77e..20711b130d 100644
--- a/libavutil/vulkan_functions.h
+++ b/libavutil/vulkan_functions.h
@@ -47,6 +47,7 @@ typedef enum FFVulkanExtensions {
     FF_VK_EXT_ATOMIC_FLOAT           = 1ULL << 15, /* 
VK_EXT_shader_atomic_float */
     FF_VK_EXT_COOP_MATRIX            = 1ULL << 16, /* 
VK_KHR_cooperative_matrix */
     FF_VK_EXT_OPTICAL_FLOW           = 1ULL << 17, /* VK_NV_optical_flow */
+    FF_VK_EXT_SHADER_OBJECT          = 1ULL << 18, /* VK_EXT_shader_object */
 
     FF_VK_EXT_NO_FLAG                = 1ULL << 31,
 } FFVulkanExtensions;
@@ -219,7 +220,11 @@ typedef enum FFVulkanExtensions {
                                                                                
          \
     /* Shaders */                                                              
          \
     MACRO(1, 1, FF_VK_EXT_NO_FLAG,              CreateShaderModule)            
          \
-    MACRO(1, 1, FF_VK_EXT_NO_FLAG,              DestroyShaderModule)
+    MACRO(1, 1, FF_VK_EXT_NO_FLAG,              DestroyShaderModule)           
            \
+    MACRO(1, 1, FF_VK_EXT_SHADER_OBJECT,        CmdBindShadersEXT)             
            \
+    MACRO(1, 1, FF_VK_EXT_SHADER_OBJECT,        CreateShadersEXT)              
            \
+    MACRO(1, 1, FF_VK_EXT_SHADER_OBJECT,        DestroyShaderEXT)              
            \
+    MACRO(1, 1, FF_VK_EXT_SHADER_OBJECT,        GetShaderBinaryDataEXT)
 
 /* Macro containing every win32 specific function that we utilize in our 
codebase */
 #define FN_LIST_WIN32(MACRO)                                                   
          \
diff --git a/libavutil/vulkan_loader.h b/libavutil/vulkan_loader.h
index bb22591957..befed51860 100644
--- a/libavutil/vulkan_loader.h
+++ b/libavutil/vulkan_loader.h
@@ -50,6 +50,7 @@ static inline uint64_t ff_vk_extensions_to_mask(const char * 
const *extensions,
         { VK_EXT_SHADER_ATOMIC_FLOAT_EXTENSION_NAME,       
FF_VK_EXT_ATOMIC_FLOAT           },
         { 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 _WIN32
         { VK_KHR_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME,     
FF_VK_EXT_EXTERNAL_WIN32_MEMORY  },
         { VK_KHR_EXTERNAL_SEMAPHORE_WIN32_EXTENSION_NAME,  
FF_VK_EXT_EXTERNAL_WIN32_SEM     },

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