Support buffer srvs

Kode · Sep 16, 2024 · db6641c · db6641c
1 parent 278c2ee
commit db6641c
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Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/Backends/Graphics5/Direct3D12/Sources/kope/direct3d12/descriptorset.cpp b/Backends/Graphics5/Direct3D12/Sources/kope/direct3d12/descriptorset.cpp
@@ -13,6 +13,21 @@ void kope_d3d12_descriptor_set_set_buffer_view_cbv(kope_g5_device *device, kope_
 	device->d3d12.device->CreateConstantBufferView(&desc, descriptor_handle);
 }
 
+void kope_d3d12_descriptor_set_set_buffer_view_srv(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_buffer *buffer, uint32_t index) {
+	D3D12_SHADER_RESOURCE_VIEW_DESC desc = {};
+	desc.ViewDimension = D3D12_SRV_DIMENSION_BUFFER;
+	desc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
+	desc.Format = DXGI_FORMAT_UNKNOWN;
+	desc.Buffer.FirstElement = 0;
+	desc.Buffer.NumElements = 1;
+	desc.Buffer.StructureByteStride = (UINT)buffer->d3d12.size;
+	desc.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_NONE;
+
+	D3D12_CPU_DESCRIPTOR_HANDLE descriptor_handle = device->d3d12.descriptor_heap->GetCPUDescriptorHandleForHeapStart();
+	descriptor_handle.ptr += (set->descriptor_allocation.offset + index) * device->d3d12.cbv_srv_uav_increment;
+	device->d3d12.device->CreateShaderResourceView(buffer->d3d12.resource, &desc, descriptor_handle);
+}
+
 void kope_d3d12_descriptor_set_set_texture_view_srv(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_texture *texture, uint32_t index) {
 	D3D12_SHADER_RESOURCE_VIEW_DESC desc = {};
 	desc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;

diff --git a/Backends/Graphics5/Direct3D12/Sources/kope/direct3d12/descriptorset_functions.h b/Backends/Graphics5/Direct3D12/Sources/kope/direct3d12/descriptorset_functions.h
@@ -12,6 +12,7 @@ extern "C" {
 #endif
 
 void kope_d3d12_descriptor_set_set_buffer_view_cbv(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_buffer *buffer, uint32_t index);
+void kope_d3d12_descriptor_set_set_buffer_view_srv(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_buffer *buffer, uint32_t index);
 void kope_d3d12_descriptor_set_set_texture_view_srv(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_texture *texture, uint32_t index);
 void kope_d3d12_descriptor_set_set_texture_view_uav(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_texture *texture, uint32_t index);
 void kope_d3d12_descriptor_set_set_sampler(kope_g5_device *device, kope_d3d12_descriptor_set *set, kope_g5_sampler *sampler, uint32_t index);