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authorRémi Verschelde <remi@verschelde.fr>2024-07-01 18:34:09 +0200
committerGitHub <noreply@github.com>2024-07-01 18:34:09 +0200
commit92c8e87cd987e8d55d176608c3038e9c4646cb2c (patch)
tree84f39078b0ef8588bdbf6232266841706f84b98e
parent8d76f0e81f64b989b72aabd12f9573a2d3374881 (diff)
parent207f5234413e48ae6a5020e65eb361b612b96ca6 (diff)
downloadredot-engine-92c8e87cd987e8d55d176608c3038e9c4646cb2c.tar.gz
Merge pull request #93707 from RandomShaper/fix_d3d12_stating
D3D12: Use the right state for resources in certain heap types
-rw-r--r--drivers/d3d12/rendering_device_driver_d3d12.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/d3d12/rendering_device_driver_d3d12.cpp b/drivers/d3d12/rendering_device_driver_d3d12.cpp
index ca2b392e66..a6bce1d79a 100644
--- a/drivers/d3d12/rendering_device_driver_d3d12.cpp
+++ b/drivers/d3d12/rendering_device_driver_d3d12.cpp
@@ -872,6 +872,7 @@ RDD::BufferID RenderingDeviceDriverD3D12::buffer_create(uint64_t p_size, BitFiel
D3D12MA::ALLOCATION_DESC allocation_desc = {};
allocation_desc.HeapType = D3D12_HEAP_TYPE_DEFAULT;
+ D3D12_RESOURCE_STATES initial_state = D3D12_RESOURCE_STATE_COMMON;
switch (p_allocation_type) {
case MEMORY_ALLOCATION_TYPE_CPU: {
bool is_src = p_usage.has_flag(BUFFER_USAGE_TRANSFER_FROM_BIT);
@@ -879,10 +880,12 @@ RDD::BufferID RenderingDeviceDriverD3D12::buffer_create(uint64_t p_size, BitFiel
if (is_src && !is_dst) {
// Looks like a staging buffer: CPU maps, writes sequentially, then GPU copies to VRAM.
allocation_desc.HeapType = D3D12_HEAP_TYPE_UPLOAD;
+ initial_state = D3D12_RESOURCE_STATE_GENERIC_READ;
}
if (is_dst && !is_src) {
// Looks like a readback buffer: GPU copies from VRAM, then CPU maps and reads.
allocation_desc.HeapType = D3D12_HEAP_TYPE_READBACK;
+ initial_state = D3D12_RESOURCE_STATE_COPY_DEST;
}
} break;
case MEMORY_ALLOCATION_TYPE_GPU: {
@@ -911,7 +914,7 @@ RDD::BufferID RenderingDeviceDriverD3D12::buffer_create(uint64_t p_size, BitFiel
res = allocator->CreateResource(
&allocation_desc,
reinterpret_cast<const D3D12_RESOURCE_DESC *>(&resource_desc),
- D3D12_RESOURCE_STATE_COMMON,
+ initial_state,
nullptr,
allocation.GetAddressOf(),
IID_PPV_ARGS(buffer.GetAddressOf()));
@@ -925,7 +928,7 @@ RDD::BufferID RenderingDeviceDriverD3D12::buffer_create(uint64_t p_size, BitFiel
buf_info->resource = buffer.Get();
buf_info->owner_info.resource = buffer;
buf_info->owner_info.allocation = allocation;
- buf_info->owner_info.states.subresource_states.push_back(D3D12_RESOURCE_STATE_COMMON);
+ buf_info->owner_info.states.subresource_states.push_back(initial_state);
buf_info->states_ptr = &buf_info->owner_info.states;
buf_info->size = p_size;
buf_info->flags.usable_as_uav = (resource_desc.Flags & D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS);