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DX12: mipmaps.

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This commit is contained in:
Artem Kharytoniuk
2017-12-09 21:32:20 +01:00
parent ed86e89da2
commit 69fc682c95
4 changed files with 32 additions and 20 deletions
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40
src/engine/renderer/dx.cpp
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@@ -404,7 +404,7 @@ Dx_Image dx_create_image(int width, int height, DXGI_FORMAT format, int mip_leve
desc.Width = width;
desc.Height = height;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1; // /* mip_levels */; !!!!!!!!!!!!!!!!!!!!!!
desc.MipLevels = mip_levels;
desc.Format = format;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
@@ -426,7 +426,7 @@ Dx_Image dx_create_image(int width, int height, DXGI_FORMAT format, int mip_leve
srv_desc.Format = format;
srv_desc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srv_desc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srv_desc.Texture2D.MipLevels = 1; // !!!!!!!!!!!!!!!!!!!!!!1
srv_desc.Texture2D.MipLevels = mip_levels;
D3D12_CPU_DESCRIPTOR_HANDLE handle;
handle.ptr = dx.srv_heap->GetCPUDescriptorHandleForHeapStart().ptr + image_index * dx.srv_descriptor_size;
@@ -438,8 +438,8 @@ Dx_Image dx_create_image(int width, int height, DXGI_FORMAT format, int mip_leve
return image;
}
void dx_upload_image_data(ID3D12Resource* texture, int width, int height, bool mipmap, const uint8_t* pixels, int bytes_per_pixel) {
const UINT64 upload_buffer_size = GetRequiredIntermediateSize(texture, 0, 1);
void dx_upload_image_data(ID3D12Resource* texture, int width, int height, int mip_levels, const uint8_t* pixels, int bytes_per_pixel) {
const UINT64 upload_buffer_size = GetRequiredIntermediateSize(texture, 0, mip_levels);
ComPtr<ID3D12Resource> upload_texture;
DX_CHECK(dx.device->CreateCommittedResource(
@@ -450,17 +450,29 @@ void dx_upload_image_data(ID3D12Resource* texture, int width, int height, bool m
nullptr,
IID_PPV_ARGS(&upload_texture)));
D3D12_SUBRESOURCE_DATA texture_data {};
texture_data.pData = pixels;
texture_data.RowPitch = width * bytes_per_pixel;
texture_data.SlicePitch = texture_data.RowPitch * height;
D3D12_SUBRESOURCE_DATA texture_data[16];
for (int i = 0; i < mip_levels; i++) {
texture_data[i].pData = pixels;
texture_data[i].RowPitch = width * bytes_per_pixel;
texture_data[i].SlicePitch = texture_data[i].RowPitch * height;
pixels += texture_data[i].SlicePitch;
record_and_run_commands(dx.command_queue, [&texture, &upload_texture, &texture_data](ID3D12GraphicsCommandList* command_list)
width >>= 1;
if (width < 1) width = 1;
height >>= 1;
if (height < 1) height = 1;
}
record_and_run_commands(dx.command_queue, [&texture, &upload_texture, &texture_data, &mip_levels]
(ID3D12GraphicsCommandList* command_list)
{
command_list->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(texture,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_COPY_DEST));
UpdateSubresources(command_list, texture, upload_texture.Get(), 0, 0, 1, &texture_data);
UpdateSubresources(command_list, texture, upload_texture.Get(), 0, 0, mip_levels, texture_data);
command_list->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(texture,
D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE));
@@ -477,10 +489,10 @@ static ID3D12PipelineState* create_pipeline(const Vk_Pipeline_Def& def) {
// Vertex elements.
D3D12_INPUT_ELEMENT_DESC input_element_desc[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, D3D12_APPEND_ALIGNED_ELEMENT, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 1, D3D12_APPEND_ALIGNED_ELEMENT, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 2, D3D12_APPEND_ALIGNED_ELEMENT, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 1, DXGI_FORMAT_R32G32_FLOAT, 3, D3D12_APPEND_ALIGNED_ELEMENT, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 1, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 2, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 1, DXGI_FORMAT_R32G32_FLOAT, 3, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }
};
//