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vulkan_ffv1: improve buffer barrier correctness for slice state
This is likely a nanooptimization, but its more correct.
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@ -484,8 +484,7 @@ static int vk_ffv1_end_frame(AVCodecContext *avctx)
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.srcStageMask = slice_state->stage,
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.dstStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
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.srcAccessMask = slice_state->access,
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.dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT |
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VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.buffer = slice_state->buf,
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@ -534,7 +533,7 @@ static int vk_ffv1_end_frame(AVCodecContext *avctx)
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.buffer = slice_state->buf,
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.offset = fp->slice_data_size*f->slice_count,
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.size = slice_state->size - fp->slice_data_size*f->slice_count,
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.size = f->slice_count*(fp->slice_state_size - fp->slice_data_size),
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};
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/* Input frame barrier */
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