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[vulkan] XFB memory barrier added

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This commit is contained in:
CamilleLaVey
2026-07-03 02:29:06 -04:00
parent e1721012d8
commit 48cc8f4c8c
1 changed files with 13 additions and 1 deletions
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src/video_core/renderer_vulkan/vk_query_cache.cpp
+13 -1
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@@ -922,19 +922,31 @@ private:
return;
}
has_flushed_end_pending = false;
// Refresh buffer state before ending transform feedback to ensure counters_count is up-to-date.
UpdateBuffers();
static constexpr VkMemoryBarrier XFB_OUTPUT_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_TRANSFORM_FEEDBACK_WRITE_BIT_EXT,
.dstAccessMask = VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT | VK_ACCESS_TRANSFER_READ_BIT,
};
if (buffers_count == 0) {
LOG_DEBUG(Render_Vulkan, "EndTransformFeedbackEXT called with no counters (buffers_count=0)");
scheduler.Record([](vk::CommandBuffer cmdbuf) {
cmdbuf.EndTransformFeedbackEXT(0, 0, nullptr, nullptr);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFORM_FEEDBACK_BIT_EXT,
vk::PIPELINE_STAGE_GRAPHICS_COMPUTE_TRANSFER, 0,
XFB_OUTPUT_BARRIER);
});
} else {
LOG_DEBUG(Render_Vulkan, "EndTransformFeedbackEXT called with counters (buffers_count={})", buffers_count);
scheduler.Record([this,
total = static_cast<u32>(buffers_count)](vk::CommandBuffer cmdbuf) {
cmdbuf.EndTransformFeedbackEXT(0, total, counter_buffers.data(), offsets.data());
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFORM_FEEDBACK_BIT_EXT,
vk::PIPELINE_STAGE_GRAPHICS_COMPUTE_TRANSFER, 0,
XFB_OUTPUT_BARRIER);
});
}
}