From d0a75580da8782477dc9486e0e57e87956a5e8b6 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Tue, 19 Dec 2023 15:13:10 -0500
Subject: [PATCH] renderer_vulkan: don't pass null view when nullDescriptor is
not supported
---
.../renderer_vulkan/vk_buffer_cache.cpp | 32 ++++++++++++++-----
.../renderer_vulkan/vk_buffer_cache.h | 2 ++
2 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
index 5958f52f7..5add59e18 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp
@@ -78,8 +78,15 @@ vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allo
}
} // Anonymous namespace
-Buffer::Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params)
- : VideoCommon::BufferBase<VideoCore::RasterizerInterface>(null_params), tracker{4096} {}
+Buffer::Buffer(BufferCacheRuntime& runtime, VideoCommon::NullBufferParams null_params)
+ : VideoCommon::BufferBase<VideoCore::RasterizerInterface>(null_params), tracker{4096} {
+ if (runtime.device.HasNullDescriptor()) {
+ return;
+ }
+ device = &runtime.device;
+ buffer = runtime.CreateNullBuffer();
+ is_null = true;
+}
Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rasterizer_,
VAddr cpu_addr_, u64 size_bytes_)
@@ -93,8 +100,12 @@ Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rast
VkBufferView Buffer::View(u32 offset, u32 size, VideoCore::Surface::PixelFormat format) {
if (!device) {
- // Null buffer, return a null descriptor
+ // Null buffer supported, return a null descriptor
return VK_NULL_HANDLE;
+ } else if (is_null) {
+ // Null buffer not supported, adjust offset and size
+ offset = 0;
+ size = 0;
}
const auto it{std::ranges::find_if(views, [offset, size, format](const BufferView& view) {
return offset == view.offset && size == view.size && format == view.format;
@@ -622,9 +633,12 @@ void BufferCacheRuntime::BindTransformFeedbackBuffers(VideoCommon::HostBindings<
}
void BufferCacheRuntime::ReserveNullBuffer() {
- if (null_buffer) {
- return;
+ if (!null_buffer) {
+ null_buffer = CreateNullBuffer();
}
+}
+
+vk::Buffer BufferCacheRuntime::CreateNullBuffer() {
VkBufferCreateInfo create_info{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
@@ -639,15 +653,17 @@ void BufferCacheRuntime::ReserveNullBuffer() {
if (device.IsExtTransformFeedbackSupported()) {
create_info.usage |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
}
- null_buffer = memory_allocator.CreateBuffer(create_info, MemoryUsage::DeviceLocal);
+ vk::Buffer ret = memory_allocator.CreateBuffer(create_info, MemoryUsage::DeviceLocal);
if (device.HasDebuggingToolAttached()) {
- null_buffer.SetObjectNameEXT("Null buffer");
+ ret.SetObjectNameEXT("Null buffer");
}
scheduler.RequestOutsideRenderPassOperationContext();
- scheduler.Record([buffer = *null_buffer](vk::CommandBuffer cmdbuf) {
+ scheduler.Record([buffer = *ret](vk::CommandBuffer cmdbuf) {
cmdbuf.FillBuffer(buffer, 0, VK_WHOLE_SIZE, 0);
});
+
+ return ret;
}
} // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h
index 0b3fbd6d0..dc300d7cb 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.h
+++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h
@@ -63,6 +63,7 @@ private:
vk::Buffer buffer;
std::vector<BufferView> views;
VideoCommon::UsageTracker tracker;
+ bool is_null{};
};
class QuadArrayIndexBuffer;
@@ -151,6 +152,7 @@ private:
}
void ReserveNullBuffer();
+ vk::Buffer CreateNullBuffer();
const Device& device;
MemoryAllocator& memory_allocator;