[FFmpeg-devel] [PATCH 1/8] vulkan: always enable GL_EXT_scalar_block_layout

Lynne dev at lynne.ee
Thu Oct 3 08:51:28 EEST 2024


This makes std430 (which we use everywhere already) fully match C
layout.
Extension was made mandatory in 1.2.
---
 libavutil/hwcontext_vulkan.c | 1 +
 libavutil/vulkan.c           | 1 +
 2 files changed, 2 insertions(+)

diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index f6d6ff6cb1..d6500de677 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -1501,6 +1501,7 @@ static int vulkan_device_create_internal(AVHWDeviceContext *ctx,
     p->device_features_1_1.uniformAndStorageBuffer16BitAccess = dev_features_1_1.uniformAndStorageBuffer16BitAccess;
 
     p->device_features_1_2.timelineSemaphore = 1;
+    p->device_features_1_2.scalarBlockLayout = dev_features_1_2.scalarBlockLayout;
     p->device_features_1_2.bufferDeviceAddress = dev_features_1_2.bufferDeviceAddress;
     p->device_features_1_2.hostQueryReset = dev_features_1_2.hostQueryReset;
     p->device_features_1_2.storagePushConstant8 = dev_features_1_2.storagePushConstant8;
diff --git a/libavutil/vulkan.c b/libavutil/vulkan.c
index 1dc168e645..c6aa6cdd10 100644
--- a/libavutil/vulkan.c
+++ b/libavutil/vulkan.c
@@ -1478,6 +1478,7 @@ int ff_vk_shader_init(FFVulkanContext *s, FFVulkanShader *shd, const char *name,
     /* Common utilities */
     GLSLC(0, #define IS_WITHIN(v1, v2) ((v1.x < v2.x) && (v1.y < v2.y))       );
     GLSLC(0,                                                                  );
+    GLSLC(0, #extension GL_EXT_scalar_block_layout : require                  );
     GLSLC(0, #extension GL_EXT_buffer_reference : require                     );
     GLSLC(0, #extension GL_EXT_buffer_reference2 : require                    );
 
-- 
2.45.2.753.g447d99e1c3b


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