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renderer_vulkan: implement fallback path for null descriptors

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This commit is contained in:
Liam 2022-12-06 21:43:14 -05:00 committed by Liam
parent b78328f19a
commit 66ae79de13
3 changed files with 19 additions and 0 deletions
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11
src/video_core/renderer_vulkan/vk_buffer_cache.cpp
View file

@ -336,6 +336,9 @@ void BufferCacheRuntime::Finish() {
void BufferCacheRuntime::CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier) {
if (dst_buffer == VK_NULL_HANDLE || src_buffer == VK_NULL_HANDLE) {
return;
}
static constexpr VkMemoryBarrier READ_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
@ -394,6 +397,9 @@ void BufferCacheRuntime::PostCopyBarrier() {
}
void BufferCacheRuntime::ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value) {
if (dest_buffer == VK_NULL_HANDLE) {
return;
}
static constexpr VkMemoryBarrier READ_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
@ -473,6 +479,11 @@ void BufferCacheRuntime::BindVertexBuffer(u32 index, VkBuffer buffer, u32 offset
cmdbuf.BindVertexBuffers2EXT(index, 1, &buffer, &vk_offset, &vk_size, &vk_stride);
});
} else {
if (!device.HasNullDescriptor() && buffer == VK_NULL_HANDLE) {
ReserveNullBuffer();
buffer = *null_buffer;
offset = 0;
}
scheduler.Record([index, buffer, offset](vk::CommandBuffer cmdbuf) {
cmdbuf.BindVertexBuffer(index, buffer, offset);
});

3
src/video_core/vulkan_common/vulkan_device.cpp
View file

@ -1487,6 +1487,9 @@ std::vector<const char*> Device::LoadExtensions(bool requires_surface) {
max_push_descriptors = push_descriptor.maxPushDescriptors;
}
has_null_descriptor = true;
return extensions;
}

5
src/video_core/vulkan_common/vulkan_device.h
View file

@ -397,6 +397,10 @@ public:
return must_emulate_bgr565;
}
bool HasNullDescriptor() const {
return has_null_descriptor;
}
u32 GetMaxVertexInputAttributes() const {
return max_vertex_input_attributes;
}
@ -511,6 +515,7 @@ private:
bool supports_d24_depth{}; ///< Supports D24 depth buffers.
bool cant_blit_msaa{}; ///< Does not support MSAA<->MSAA blitting.
bool must_emulate_bgr565{}; ///< Emulates BGR565 by swizzling RGB565 format.
bool has_null_descriptor{}; ///< Has support for null descriptors.
u32 max_vertex_input_attributes{}; ///< Max vertex input attributes in pipeline
u32 max_vertex_input_bindings{}; ///< Max vertex input buffers in pipeline