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[D3D12] Make RT heaps 48 MB so 2560x1024 RT can be resolved to R32G32B32A32

This commit is contained in:
Triang3l 2018-08-23 23:25:42 +03:00
parent 2e79eac976
commit dd17cd3f9f
2 changed files with 21 additions and 16 deletions
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32
src/xenia/gpu/d3d12/render_target_cache.cc
View File

@ -565,7 +565,7 @@ bool RenderTargetCache::UpdateRenderTargets() {
const RenderTarget* render_target = binding.render_target;
if (render_target != nullptr) {
// There are no holes between 4 MB pages in each heap.
heap_usage[render_target->heap_page_first >> 3] +=
heap_usage[render_target->heap_page_first / kHeap4MBPages] +=
render_target->heap_page_count;
continue;
}
@ -601,11 +601,11 @@ bool RenderTargetCache::UpdateRenderTargets() {
continue;
}
// Calculate the number of 4 MB pages of 32 MB heaps this RT will use.
// Calculate the number of 4 MB pages of the heaps this RT will use.
D3D12_RESOURCE_ALLOCATION_INFO allocation_info =
device->GetResourceAllocationInfo(0, 1, &resource_desc);
if (allocation_info.SizeInBytes == 0 ||
allocation_info.SizeInBytes > (32 << 20)) {
allocation_info.SizeInBytes > (kHeap4MBPages << 22)) {
assert_always();
continue;
}
@ -615,8 +615,8 @@ bool RenderTargetCache::UpdateRenderTargets() {
// Find the heap page range for this render target.
uint32_t heap_page_first = UINT32_MAX;
for (uint32_t j = 0; j < 5; ++j) {
if (heap_usage[j] + heap_page_count <= 8) {
heap_page_first = j * 8 + heap_usage[j];
if (heap_usage[j] + heap_page_count <= kHeap4MBPages) {
heap_page_first = j * kHeap4MBPages + heap_usage[j];
break;
}
}
@ -630,7 +630,7 @@ bool RenderTargetCache::UpdateRenderTargets() {
if (binding.render_target == nullptr) {
continue;
}
heap_usage[heap_page_first >> 3] += heap_page_count;
heap_usage[heap_page_first / kHeap4MBPages] += heap_page_count;
// Inform Direct3D that we're reusing the heap for this render target.
command_processor_->PushAliasingBarrier(nullptr,
@ -1133,7 +1133,7 @@ bool RenderTargetCache::GetResourceDesc(RenderTargetKey key,
RenderTargetCache::RenderTarget* RenderTargetCache::FindOrCreateRenderTarget(
RenderTargetKey key, uint32_t heap_page_first) {
assert_true(heap_page_first <= 8 * 5);
assert_true(heap_page_first <= kHeap4MBPages * 5);
// Try to find an existing render target.
auto found_range = render_targets_.equal_range(key.value);
@ -1157,7 +1157,8 @@ RenderTargetCache::RenderTarget* RenderTargetCache::FindOrCreateRenderTarget(
device->GetResourceAllocationInfo(0, 1, &resource_desc);
uint32_t heap_page_count =
(uint32_t(allocation_info.SizeInBytes) + ((4 << 20) - 1)) >> 22;
if (heap_page_count == 0 || (heap_page_first & 7) + heap_page_count > 8) {
if (heap_page_count == 0 ||
(heap_page_first % kHeap4MBPages) + heap_page_count > kHeap4MBPages) {
assert_always();
return nullptr;
}
@ -1191,27 +1192,28 @@ RenderTargetCache::RenderTarget* RenderTargetCache::FindOrCreateRenderTarget(
}
// Create the memory heap if it doesn't exist yet.
ID3D12Heap* heap = heaps_[heap_page_first >> 3];
ID3D12Heap* heap = heaps_[heap_page_first / kHeap4MBPages];
if (heap == nullptr) {
D3D12_HEAP_DESC heap_desc = {};
heap_desc.SizeInBytes = 32 << 20;
heap_desc.SizeInBytes = kHeap4MBPages << 22;
heap_desc.Properties.Type = D3D12_HEAP_TYPE_DEFAULT;
// TODO(Triang3l): If real MSAA is added, alignment must be 4 MB.
heap_desc.Alignment = 0;
heap_desc.Flags = D3D12_HEAP_FLAG_ALLOW_ONLY_RT_DS_TEXTURES;
if (FAILED(device->CreateHeap(&heap_desc, IID_PPV_ARGS(&heap)))) {
XELOGE("Failed to create a 32 MB heap for render targets");
XELOGE("Failed to create a %u MB heap for render targets",
kHeap4MBPages * 4);
return nullptr;
}
heaps_[heap_page_first >> 3] = heap;
heaps_[heap_page_first / kHeap4MBPages] = heap;
}
// The first action likely to be done is EDRAM buffer load.
D3D12_RESOURCE_STATES state = D3D12_RESOURCE_STATE_COPY_DEST;
ID3D12Resource* resource;
if (FAILED(device->CreatePlacedResource(heap, (heap_page_first & 7) << 22,
&resource_desc, state, nullptr,
IID_PPV_ARGS(&resource)))) {
if (FAILED(device->CreatePlacedResource(
heap, (heap_page_first % kHeap4MBPages) << 22, &resource_desc, state,
nullptr, IID_PPV_ARGS(&resource)))) {
XELOGE(
"Failed to create a placed resource for %ux%u %s render target with "
"format %u at heap 4 MB pages %u:%u",

5
src/xenia/gpu/d3d12/render_target_cache.h
View File

@ -410,10 +410,13 @@ class RenderTargetCache {
edram_store_pipelines_[size_t(EDRAMLoadStoreMode::kCount)] = {};
ID3D12PipelineState* edram_tile_sample_32bpp_pipeline_ = nullptr;
// 32 MB heaps backing used render targets resources, created when needed.
// 48 MB heaps backing used render targets resources, created when needed.
// 24 MB proved to be not enough to store a single render target occupying the
// entire EDRAM - a 32-bit depth/stencil one - at some resolution.
// But we also need more than 32 MB to be able to resolve the entire EDRAM
// into a k_32_32_32_32_FLOAT texture.
ID3D12Heap* heaps_[5] = {};
static constexpr uint32_t kHeap4MBPages = 12;
static constexpr uint32_t kRenderTargetDescriptorHeapSize = 2048;
// Descriptor heap, for linear allocation of heaps and descriptors.