mirror of
https://github.com/hajimehoshi/ebiten.git
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internal/graphicsdriver/directx: separate a part for images and shaders
This commit is contained in:
Hajime Hoshi
parent
4811386d8a
commit
c394bdcf7c
@ -1337,616 +1337,3 @@ func (g *Graphics) genNextShaderID() graphicsdriver.ShaderID {
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g.nextShaderID++
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return g.nextShaderID
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}
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type Image struct {
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graphics *Graphics
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id graphicsdriver.ImageID
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width int
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height int
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screen bool
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*image12
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}
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type image12 struct {
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states [frameCount]_D3D12_RESOURCE_STATES
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texture *_ID3D12Resource
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stencil *_ID3D12Resource
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rtvDescriptorHeap *_ID3D12DescriptorHeap
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dsvDescriptorHeap *_ID3D12DescriptorHeap
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uploadingStagingBuffers []*_ID3D12Resource
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}
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func (i *Image) ID() graphicsdriver.ImageID {
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return i.id
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}
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func (i *Image) Dispose() {
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// Dipose the images later as this image might still be used.
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i.graphics.removeImage(i)
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}
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func (i *Image) disposeImpl() {
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if i.dsvDescriptorHeap != nil {
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i.dsvDescriptorHeap.Release()
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i.dsvDescriptorHeap = nil
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}
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if i.rtvDescriptorHeap != nil {
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i.rtvDescriptorHeap.Release()
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i.rtvDescriptorHeap = nil
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}
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if i.stencil != nil {
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i.stencil.Release()
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i.stencil = nil
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}
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if i.texture != nil {
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i.texture.Release()
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i.texture = nil
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}
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}
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func (*Image) IsInvalidated() bool {
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return false
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}
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func (i *Image) ReadPixels(buf []byte, x, y, width, height int) error {
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if i.screen {
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return errors.New("directx: Pixels cannot be called on the screen")
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}
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if err := i.graphics.flushCommandList(i.graphics.drawCommandList); err != nil {
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return err
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}
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desc := _D3D12_RESOURCE_DESC{
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Dimension: _D3D12_RESOURCE_DIMENSION_TEXTURE2D,
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Alignment: 0,
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Width: uint64(width),
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Height: uint32(height),
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DepthOrArraySize: 1,
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MipLevels: 0,
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Format: _DXGI_FORMAT_R8G8B8A8_UNORM,
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SampleDesc: _DXGI_SAMPLE_DESC{
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Count: 1,
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Quality: 0,
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},
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Layout: _D3D12_TEXTURE_LAYOUT_UNKNOWN,
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Flags: _D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET,
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}
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layouts, _, _, totalBytes := i.graphics.device.GetCopyableFootprints(&desc, 0, 1, 0)
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readingStagingBuffer, err := createBuffer(i.graphics.device, totalBytes, _D3D12_HEAP_TYPE_READBACK)
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if err != nil {
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return err
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}
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defer func() {
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readingStagingBuffer.Release()
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}()
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if rb, ok := i.transiteState(_D3D12_RESOURCE_STATE_COPY_SOURCE); ok {
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i.graphics.copyCommandList.ResourceBarrier([]_D3D12_RESOURCE_BARRIER_Transition{rb})
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}
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m, err := readingStagingBuffer.Map(0, &_D3D12_RANGE{0, 0})
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if err != nil {
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return err
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}
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dst := _D3D12_TEXTURE_COPY_LOCATION_PlacedFootPrint{
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pResource: readingStagingBuffer,
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Type: _D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
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PlacedFootprint: layouts,
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}
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src := _D3D12_TEXTURE_COPY_LOCATION_SubresourceIndex{
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pResource: i.texture,
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Type: _D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
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SubresourceIndex: 0,
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}
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i.graphics.needFlushCopyCommandList = true
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i.graphics.copyCommandList.CopyTextureRegion_PlacedFootPrint_SubresourceIndex(
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&dst, 0, 0, 0, &src, &_D3D12_BOX{
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left: uint32(x),
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top: uint32(y),
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front: 0,
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right: uint32(x + width),
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bottom: uint32(y + height),
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back: 1,
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})
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if err := i.graphics.flushCommandList(i.graphics.copyCommandList); err != nil {
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return err
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}
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dstBytes := unsafe.Slice((*byte)(unsafe.Pointer(m)), totalBytes)
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for j := 0; j < height; j++ {
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copy(buf[j*width*4:(j+1)*width*4], dstBytes[j*int(layouts.Footprint.RowPitch):])
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}
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readingStagingBuffer.Unmap(0, nil)
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return nil
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}
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func (i *Image) WritePixels(args []*graphicsdriver.WritePixelsArgs) error {
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if i.screen {
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return errors.New("directx: WritePixels cannot be called on the screen")
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}
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if err := i.graphics.flushCommandList(i.graphics.drawCommandList); err != nil {
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return err
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}
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minX := i.width
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minY := i.height
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maxX := 0
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maxY := 0
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for _, a := range args {
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if minX > a.X {
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minX = a.X
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}
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if minY > a.Y {
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minY = a.Y
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}
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if maxX < a.X+a.Width {
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maxX = a.X + a.Width
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}
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if maxY < a.Y+a.Height {
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maxY = a.Y + a.Height
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}
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}
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desc := _D3D12_RESOURCE_DESC{
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Dimension: _D3D12_RESOURCE_DIMENSION_TEXTURE2D,
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Alignment: 0,
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Width: uint64(maxX - minX),
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Height: uint32(maxY - minY),
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DepthOrArraySize: 1,
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MipLevels: 0,
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Format: _DXGI_FORMAT_R8G8B8A8_UNORM,
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SampleDesc: _DXGI_SAMPLE_DESC{
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Count: 1,
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Quality: 0,
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},
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Layout: _D3D12_TEXTURE_LAYOUT_UNKNOWN,
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Flags: _D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET,
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}
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layouts, _, _, totalBytes := i.graphics.device.GetCopyableFootprints(&desc, 0, 1, 0)
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uploadingStagingBuffer, err := createBuffer(i.graphics.device, totalBytes, _D3D12_HEAP_TYPE_UPLOAD)
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if err != nil {
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return err
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}
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i.uploadingStagingBuffers = append(i.uploadingStagingBuffers, uploadingStagingBuffer)
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if rb, ok := i.transiteState(_D3D12_RESOURCE_STATE_COPY_DEST); ok {
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i.graphics.copyCommandList.ResourceBarrier([]_D3D12_RESOURCE_BARRIER_Transition{rb})
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}
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m, err := uploadingStagingBuffer.Map(0, &_D3D12_RANGE{0, 0})
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if err != nil {
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return err
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}
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i.graphics.needFlushCopyCommandList = true
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srcBytes := unsafe.Slice((*byte)(unsafe.Pointer(m)), totalBytes)
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for _, a := range args {
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for j := 0; j < a.Height; j++ {
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copy(srcBytes[((a.Y-minY)+j)*int(layouts.Footprint.RowPitch)+(a.X-minX)*4:], a.Pixels[j*a.Width*4:(j+1)*a.Width*4])
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}
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}
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for _, a := range args {
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dst := _D3D12_TEXTURE_COPY_LOCATION_SubresourceIndex{
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pResource: i.texture,
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Type: _D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
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SubresourceIndex: 0,
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}
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src := _D3D12_TEXTURE_COPY_LOCATION_PlacedFootPrint{
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pResource: uploadingStagingBuffer,
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Type: _D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
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PlacedFootprint: layouts,
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}
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i.graphics.copyCommandList.CopyTextureRegion_SubresourceIndex_PlacedFootPrint(
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&dst, uint32(a.X), uint32(a.Y), 0, &src, &_D3D12_BOX{
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left: uint32(a.X - minX),
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top: uint32(a.Y - minY),
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front: 0,
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right: uint32(a.X - minX + a.Width),
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bottom: uint32(a.Y - minY + a.Height),
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back: 1,
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})
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}
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uploadingStagingBuffer.Unmap(0, nil)
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return nil
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}
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func (i *Image) resource() *_ID3D12Resource {
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if i.screen {
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return i.graphics.renderTargets[i.graphics.frameIndex]
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}
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return i.texture
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}
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func (i *Image) state() _D3D12_RESOURCE_STATES {
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if i.screen {
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return i.states[i.graphics.frameIndex]
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}
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return i.states[0]
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}
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func (i *Image) setState(newState _D3D12_RESOURCE_STATES) {
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if i.screen {
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i.states[i.graphics.frameIndex] = newState
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return
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}
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i.states[0] = newState
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}
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func (i *Image) transiteState(newState _D3D12_RESOURCE_STATES) (_D3D12_RESOURCE_BARRIER_Transition, bool) {
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if i.state() == newState {
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return _D3D12_RESOURCE_BARRIER_Transition{}, false
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}
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oldState := i.state()
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i.setState(newState)
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return _D3D12_RESOURCE_BARRIER_Transition{
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Type: _D3D12_RESOURCE_BARRIER_TYPE_TRANSITION,
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Flags: _D3D12_RESOURCE_BARRIER_FLAG_NONE,
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Transition: _D3D12_RESOURCE_TRANSITION_BARRIER{
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pResource: i.resource(),
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Subresource: _D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES,
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StateBefore: oldState,
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StateAfter: newState,
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},
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}, true
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}
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func (i *Image) internalSize() (int, int) {
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if i.screen {
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return i.width, i.height
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}
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return graphics.InternalImageSize(i.width), graphics.InternalImageSize(i.height)
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}
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func (i *Image) setAsRenderTarget(drawCommandList *_ID3D12GraphicsCommandList, device *_ID3D12Device, useStencil bool) error {
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if err := i.ensureRenderTargetView(device); err != nil {
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return err
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}
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if i.screen {
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if useStencil {
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return fmt.Errorf("directx: stencils are not available on the screen framebuffer")
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}
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rtv, err := i.graphics.rtvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
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if err != nil {
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return err
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}
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rtv.Offset(int32(i.graphics.frameIndex), i.graphics.rtvDescriptorSize)
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drawCommandList.OMSetRenderTargets([]_D3D12_CPU_DESCRIPTOR_HANDLE{rtv}, false, nil)
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return nil
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}
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rtv, err := i.rtvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
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if err != nil {
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return err
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}
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if !useStencil {
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drawCommandList.OMSetRenderTargets([]_D3D12_CPU_DESCRIPTOR_HANDLE{rtv}, false, nil)
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return nil
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}
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if err := i.ensureDepthStencilView(device); err != nil {
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return err
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}
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dsv, err := i.dsvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
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if err != nil {
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return err
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}
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drawCommandList.OMSetStencilRef(0)
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drawCommandList.OMSetRenderTargets([]_D3D12_CPU_DESCRIPTOR_HANDLE{rtv}, false, &dsv)
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drawCommandList.ClearDepthStencilView(dsv, _D3D12_CLEAR_FLAG_STENCIL, 0, 0, nil)
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return nil
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}
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func (i *Image) ensureRenderTargetView(device *_ID3D12Device) error {
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if i.screen {
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return nil
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}
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if i.rtvDescriptorHeap != nil {
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return nil
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}
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h, err := device.CreateDescriptorHeap(&_D3D12_DESCRIPTOR_HEAP_DESC{
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Type: _D3D12_DESCRIPTOR_HEAP_TYPE_RTV,
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NumDescriptors: 1,
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Flags: _D3D12_DESCRIPTOR_HEAP_FLAG_NONE,
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NodeMask: 0,
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})
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if err != nil {
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return err
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}
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i.rtvDescriptorHeap = h
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rtv, err := i.rtvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
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if err != nil {
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return err
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}
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device.CreateRenderTargetView(i.texture, nil, rtv)
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return nil
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}
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func (i *Image) ensureDepthStencilView(device *_ID3D12Device) error {
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if i.screen {
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return fmt.Errorf("directx: stencils are not available on the screen framebuffer")
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}
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if i.dsvDescriptorHeap != nil {
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return nil
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}
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h, err := device.CreateDescriptorHeap(&_D3D12_DESCRIPTOR_HEAP_DESC{
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Type: _D3D12_DESCRIPTOR_HEAP_TYPE_DSV,
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NumDescriptors: 1,
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Flags: _D3D12_DESCRIPTOR_HEAP_FLAG_NONE,
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NodeMask: 0,
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})
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if err != nil {
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return err
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}
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i.dsvDescriptorHeap = h
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dsv, err := i.dsvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
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if err != nil {
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return err
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}
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if i.stencil == nil {
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s, err := device.CreateCommittedResource(&_D3D12_HEAP_PROPERTIES{
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Type: _D3D12_HEAP_TYPE_DEFAULT,
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CPUPageProperty: _D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
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MemoryPoolPreference: _D3D12_MEMORY_POOL_UNKNOWN,
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CreationNodeMask: 1,
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VisibleNodeMask: 1,
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}, _D3D12_HEAP_FLAG_NONE, &_D3D12_RESOURCE_DESC{
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Dimension: _D3D12_RESOURCE_DIMENSION_TEXTURE2D,
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Alignment: 0,
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Width: uint64(graphics.InternalImageSize(i.width)),
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Height: uint32(graphics.InternalImageSize(i.height)),
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DepthOrArraySize: 1,
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MipLevels: 0,
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Format: _DXGI_FORMAT_D24_UNORM_S8_UINT,
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SampleDesc: _DXGI_SAMPLE_DESC{
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Count: 1,
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Quality: 0,
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},
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Layout: _D3D12_TEXTURE_LAYOUT_UNKNOWN,
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Flags: _D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL,
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}, _D3D12_RESOURCE_STATE_DEPTH_WRITE, &_D3D12_CLEAR_VALUE{
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Format: _DXGI_FORMAT_D24_UNORM_S8_UINT,
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})
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if err != nil {
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return err
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}
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i.stencil = s
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}
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device.CreateDepthStencilView(i.stencil, nil, dsv)
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return nil
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}
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func (i *Image) releaseUploadingStagingBuffers() {
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for idx, buf := range i.uploadingStagingBuffers {
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buf.Release()
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i.uploadingStagingBuffers[idx] = nil
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}
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i.uploadingStagingBuffers = i.uploadingStagingBuffers[:0]
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}
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type stencilMode int
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const (
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prepareStencil stencilMode = iota
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drawWithStencil
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noStencil
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)
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type pipelineStateKey struct {
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blend graphicsdriver.Blend
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stencilMode stencilMode
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screen bool
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}
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type Shader struct {
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graphics *Graphics
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id graphicsdriver.ShaderID
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uniformTypes []shaderir.Type
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uniformOffsets []int
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vertexShader *_ID3DBlob
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pixelShader *_ID3DBlob
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pipelineStates map[pipelineStateKey]*_ID3D12PipelineState
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}
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func (s *Shader) ID() graphicsdriver.ShaderID {
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return s.id
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}
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func (s *Shader) Dispose() {
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s.graphics.removeShader(s)
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}
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func (s *Shader) disposeImpl() {
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for c, p := range s.pipelineStates {
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p.Release()
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delete(s.pipelineStates, c)
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}
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if s.pixelShader != nil {
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s.pixelShader.Release()
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s.pixelShader = nil
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}
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if s.vertexShader != nil {
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count := s.vertexShader.Release()
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if count == 0 {
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for k, v := range vertexShaderCache {
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if v == s.vertexShader {
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delete(vertexShaderCache, k)
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}
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}
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}
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s.vertexShader = nil
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}
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}
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func (s *Shader) pipelineState(blend graphicsdriver.Blend, stencilMode stencilMode, screen bool) (*_ID3D12PipelineState, error) {
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key := pipelineStateKey{
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blend: blend,
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stencilMode: stencilMode,
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screen: screen,
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}
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if state, ok := s.pipelineStates[key]; ok {
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return state, nil
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}
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state, err := s.graphics.pipelineStates.newPipelineState(s.graphics.device, s.vertexShader, s.pixelShader, blend, stencilMode, screen)
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if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if s.pipelineStates == nil {
|
||||
s.pipelineStates = map[pipelineStateKey]*_ID3D12PipelineState{}
|
||||
}
|
||||
s.pipelineStates[key] = state
|
||||
return state, nil
|
||||
}
|
||||
|
||||
func (s *Shader) adjustUniforms(uniforms []uint32, shader *Shader) []uint32 {
|
||||
var fs []uint32
|
||||
var idx int
|
||||
for i, typ := range shader.uniformTypes {
|
||||
if len(fs) < s.uniformOffsets[i]/4 {
|
||||
fs = append(fs, make([]uint32, s.uniformOffsets[i]/4-len(fs))...)
|
||||
}
|
||||
|
||||
n := typ.Uint32Count()
|
||||
switch typ.Main {
|
||||
case shaderir.Float:
|
||||
fs = append(fs, uniforms[idx:idx+1]...)
|
||||
case shaderir.Int:
|
||||
fs = append(fs, uniforms[idx:idx+1]...)
|
||||
case shaderir.Vec2, shaderir.IVec2:
|
||||
fs = append(fs, uniforms[idx:idx+2]...)
|
||||
case shaderir.Vec3, shaderir.IVec3:
|
||||
fs = append(fs, uniforms[idx:idx+3]...)
|
||||
case shaderir.Vec4, shaderir.IVec4:
|
||||
fs = append(fs, uniforms[idx:idx+4]...)
|
||||
case shaderir.Mat2:
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+2], 0, 0,
|
||||
uniforms[idx+1], uniforms[idx+3],
|
||||
)
|
||||
case shaderir.Mat3:
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+3], uniforms[idx+6], 0,
|
||||
uniforms[idx+1], uniforms[idx+4], uniforms[idx+7], 0,
|
||||
uniforms[idx+2], uniforms[idx+5], uniforms[idx+8],
|
||||
)
|
||||
case shaderir.Mat4:
|
||||
if i == graphics.ProjectionMatrixUniformVariableIndex {
|
||||
// In DirectX, the NDC's Y direction (upward) and the framebuffer's Y direction (downward) don't
|
||||
// match. Then, the Y direction must be inverted.
|
||||
// Invert the sign bits as float32 values.
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+4], uniforms[idx+8], uniforms[idx+12],
|
||||
uniforms[idx+1]^(1<<31), uniforms[idx+5]^(1<<31), uniforms[idx+9]^(1<<31), uniforms[idx+13]^(1<<31),
|
||||
uniforms[idx+2], uniforms[idx+6], uniforms[idx+10], uniforms[idx+14],
|
||||
uniforms[idx+3], uniforms[idx+7], uniforms[idx+11], uniforms[idx+15],
|
||||
)
|
||||
} else {
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+4], uniforms[idx+8], uniforms[idx+12],
|
||||
uniforms[idx+1], uniforms[idx+5], uniforms[idx+9], uniforms[idx+13],
|
||||
uniforms[idx+2], uniforms[idx+6], uniforms[idx+10], uniforms[idx+14],
|
||||
uniforms[idx+3], uniforms[idx+7], uniforms[idx+11], uniforms[idx+15],
|
||||
)
|
||||
}
|
||||
case shaderir.Array:
|
||||
// Each element is aligned to the boundary.
|
||||
switch typ.Sub[0].Main {
|
||||
case shaderir.Float:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+j])
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0, 0, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Int:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+j])
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0, 0, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Vec2, shaderir.IVec2:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+2*j:idx+2*(j+1)]...)
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Vec3, shaderir.IVec3:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+3*j:idx+3*(j+1)]...)
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Vec4, shaderir.IVec4:
|
||||
fs = append(fs, uniforms[idx:idx+4*typ.Length]...)
|
||||
case shaderir.Mat2:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
u := uniforms[idx+4*j : idx+4*(j+1)]
|
||||
fs = append(fs,
|
||||
u[0], u[2], 0, 0,
|
||||
u[1], u[3], 0, 0,
|
||||
)
|
||||
}
|
||||
if typ.Length > 0 {
|
||||
fs = fs[:len(fs)-2]
|
||||
}
|
||||
case shaderir.Mat3:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
u := uniforms[idx+9*j : idx+9*(j+1)]
|
||||
fs = append(fs,
|
||||
u[0], u[3], u[6], 0,
|
||||
u[1], u[4], u[7], 0,
|
||||
u[2], u[5], u[8], 0,
|
||||
)
|
||||
}
|
||||
if typ.Length > 0 {
|
||||
fs = fs[:len(fs)-1]
|
||||
}
|
||||
case shaderir.Mat4:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
u := uniforms[idx+16*j : idx+16*(j+1)]
|
||||
fs = append(fs,
|
||||
u[0], u[4], u[8], u[12],
|
||||
u[1], u[5], u[9], u[13],
|
||||
u[2], u[6], u[10], u[14],
|
||||
u[3], u[7], u[11], u[15],
|
||||
)
|
||||
}
|
||||
default:
|
||||
panic(fmt.Sprintf("directx: not implemented type for uniform variables: %s", typ.String()))
|
||||
}
|
||||
default:
|
||||
panic(fmt.Sprintf("directx: not implemented type for uniform variables: %s", typ.String()))
|
||||
}
|
||||
|
||||
idx += n
|
||||
}
|
||||
return fs
|
||||
}
|
||||
|
||||
433
internal/graphicsdriver/directx/image_windows.go
Normal file
433
internal/graphicsdriver/directx/image_windows.go
Normal file
@ -0,0 +1,433 @@
|
||||
// Copyright 2023 The Ebitengine Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package directx
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"unsafe"
|
||||
|
||||
"github.com/hajimehoshi/ebiten/v2/internal/graphics"
|
||||
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
|
||||
)
|
||||
|
||||
type Image struct {
|
||||
graphics *Graphics
|
||||
id graphicsdriver.ImageID
|
||||
width int
|
||||
height int
|
||||
screen bool
|
||||
|
||||
*image12
|
||||
}
|
||||
|
||||
type image12 struct {
|
||||
states [frameCount]_D3D12_RESOURCE_STATES
|
||||
texture *_ID3D12Resource
|
||||
stencil *_ID3D12Resource
|
||||
rtvDescriptorHeap *_ID3D12DescriptorHeap
|
||||
dsvDescriptorHeap *_ID3D12DescriptorHeap
|
||||
|
||||
uploadingStagingBuffers []*_ID3D12Resource
|
||||
}
|
||||
|
||||
func (i *Image) ID() graphicsdriver.ImageID {
|
||||
return i.id
|
||||
}
|
||||
|
||||
func (i *Image) Dispose() {
|
||||
// Dipose the images later as this image might still be used.
|
||||
i.graphics.removeImage(i)
|
||||
}
|
||||
|
||||
func (i *Image) disposeImpl() {
|
||||
if i.dsvDescriptorHeap != nil {
|
||||
i.dsvDescriptorHeap.Release()
|
||||
i.dsvDescriptorHeap = nil
|
||||
}
|
||||
if i.rtvDescriptorHeap != nil {
|
||||
i.rtvDescriptorHeap.Release()
|
||||
i.rtvDescriptorHeap = nil
|
||||
}
|
||||
if i.stencil != nil {
|
||||
i.stencil.Release()
|
||||
i.stencil = nil
|
||||
}
|
||||
if i.texture != nil {
|
||||
i.texture.Release()
|
||||
i.texture = nil
|
||||
}
|
||||
}
|
||||
|
||||
func (*Image) IsInvalidated() bool {
|
||||
return false
|
||||
}
|
||||
|
||||
func (i *Image) ReadPixels(buf []byte, x, y, width, height int) error {
|
||||
if i.screen {
|
||||
return errors.New("directx: Pixels cannot be called on the screen")
|
||||
}
|
||||
|
||||
if err := i.graphics.flushCommandList(i.graphics.drawCommandList); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
desc := _D3D12_RESOURCE_DESC{
|
||||
Dimension: _D3D12_RESOURCE_DIMENSION_TEXTURE2D,
|
||||
Alignment: 0,
|
||||
Width: uint64(width),
|
||||
Height: uint32(height),
|
||||
DepthOrArraySize: 1,
|
||||
MipLevels: 0,
|
||||
Format: _DXGI_FORMAT_R8G8B8A8_UNORM,
|
||||
SampleDesc: _DXGI_SAMPLE_DESC{
|
||||
Count: 1,
|
||||
Quality: 0,
|
||||
},
|
||||
Layout: _D3D12_TEXTURE_LAYOUT_UNKNOWN,
|
||||
Flags: _D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET,
|
||||
}
|
||||
layouts, _, _, totalBytes := i.graphics.device.GetCopyableFootprints(&desc, 0, 1, 0)
|
||||
readingStagingBuffer, err := createBuffer(i.graphics.device, totalBytes, _D3D12_HEAP_TYPE_READBACK)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer func() {
|
||||
readingStagingBuffer.Release()
|
||||
}()
|
||||
|
||||
if rb, ok := i.transiteState(_D3D12_RESOURCE_STATE_COPY_SOURCE); ok {
|
||||
i.graphics.copyCommandList.ResourceBarrier([]_D3D12_RESOURCE_BARRIER_Transition{rb})
|
||||
}
|
||||
|
||||
m, err := readingStagingBuffer.Map(0, &_D3D12_RANGE{0, 0})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
dst := _D3D12_TEXTURE_COPY_LOCATION_PlacedFootPrint{
|
||||
pResource: readingStagingBuffer,
|
||||
Type: _D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
|
||||
PlacedFootprint: layouts,
|
||||
}
|
||||
src := _D3D12_TEXTURE_COPY_LOCATION_SubresourceIndex{
|
||||
pResource: i.texture,
|
||||
Type: _D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
|
||||
SubresourceIndex: 0,
|
||||
}
|
||||
i.graphics.needFlushCopyCommandList = true
|
||||
i.graphics.copyCommandList.CopyTextureRegion_PlacedFootPrint_SubresourceIndex(
|
||||
&dst, 0, 0, 0, &src, &_D3D12_BOX{
|
||||
left: uint32(x),
|
||||
top: uint32(y),
|
||||
front: 0,
|
||||
right: uint32(x + width),
|
||||
bottom: uint32(y + height),
|
||||
back: 1,
|
||||
})
|
||||
|
||||
if err := i.graphics.flushCommandList(i.graphics.copyCommandList); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
dstBytes := unsafe.Slice((*byte)(unsafe.Pointer(m)), totalBytes)
|
||||
for j := 0; j < height; j++ {
|
||||
copy(buf[j*width*4:(j+1)*width*4], dstBytes[j*int(layouts.Footprint.RowPitch):])
|
||||
}
|
||||
|
||||
readingStagingBuffer.Unmap(0, nil)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (i *Image) WritePixels(args []*graphicsdriver.WritePixelsArgs) error {
|
||||
if i.screen {
|
||||
return errors.New("directx: WritePixels cannot be called on the screen")
|
||||
}
|
||||
|
||||
if err := i.graphics.flushCommandList(i.graphics.drawCommandList); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
minX := i.width
|
||||
minY := i.height
|
||||
maxX := 0
|
||||
maxY := 0
|
||||
for _, a := range args {
|
||||
if minX > a.X {
|
||||
minX = a.X
|
||||
}
|
||||
if minY > a.Y {
|
||||
minY = a.Y
|
||||
}
|
||||
if maxX < a.X+a.Width {
|
||||
maxX = a.X + a.Width
|
||||
}
|
||||
if maxY < a.Y+a.Height {
|
||||
maxY = a.Y + a.Height
|
||||
}
|
||||
}
|
||||
|
||||
desc := _D3D12_RESOURCE_DESC{
|
||||
Dimension: _D3D12_RESOURCE_DIMENSION_TEXTURE2D,
|
||||
Alignment: 0,
|
||||
Width: uint64(maxX - minX),
|
||||
Height: uint32(maxY - minY),
|
||||
DepthOrArraySize: 1,
|
||||
MipLevels: 0,
|
||||
Format: _DXGI_FORMAT_R8G8B8A8_UNORM,
|
||||
SampleDesc: _DXGI_SAMPLE_DESC{
|
||||
Count: 1,
|
||||
Quality: 0,
|
||||
},
|
||||
Layout: _D3D12_TEXTURE_LAYOUT_UNKNOWN,
|
||||
Flags: _D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET,
|
||||
}
|
||||
layouts, _, _, totalBytes := i.graphics.device.GetCopyableFootprints(&desc, 0, 1, 0)
|
||||
uploadingStagingBuffer, err := createBuffer(i.graphics.device, totalBytes, _D3D12_HEAP_TYPE_UPLOAD)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
i.uploadingStagingBuffers = append(i.uploadingStagingBuffers, uploadingStagingBuffer)
|
||||
|
||||
if rb, ok := i.transiteState(_D3D12_RESOURCE_STATE_COPY_DEST); ok {
|
||||
i.graphics.copyCommandList.ResourceBarrier([]_D3D12_RESOURCE_BARRIER_Transition{rb})
|
||||
}
|
||||
|
||||
m, err := uploadingStagingBuffer.Map(0, &_D3D12_RANGE{0, 0})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
i.graphics.needFlushCopyCommandList = true
|
||||
|
||||
srcBytes := unsafe.Slice((*byte)(unsafe.Pointer(m)), totalBytes)
|
||||
for _, a := range args {
|
||||
for j := 0; j < a.Height; j++ {
|
||||
copy(srcBytes[((a.Y-minY)+j)*int(layouts.Footprint.RowPitch)+(a.X-minX)*4:], a.Pixels[j*a.Width*4:(j+1)*a.Width*4])
|
||||
}
|
||||
}
|
||||
|
||||
for _, a := range args {
|
||||
dst := _D3D12_TEXTURE_COPY_LOCATION_SubresourceIndex{
|
||||
pResource: i.texture,
|
||||
Type: _D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX,
|
||||
SubresourceIndex: 0,
|
||||
}
|
||||
src := _D3D12_TEXTURE_COPY_LOCATION_PlacedFootPrint{
|
||||
pResource: uploadingStagingBuffer,
|
||||
Type: _D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT,
|
||||
PlacedFootprint: layouts,
|
||||
}
|
||||
i.graphics.copyCommandList.CopyTextureRegion_SubresourceIndex_PlacedFootPrint(
|
||||
&dst, uint32(a.X), uint32(a.Y), 0, &src, &_D3D12_BOX{
|
||||
left: uint32(a.X - minX),
|
||||
top: uint32(a.Y - minY),
|
||||
front: 0,
|
||||
right: uint32(a.X - minX + a.Width),
|
||||
bottom: uint32(a.Y - minY + a.Height),
|
||||
back: 1,
|
||||
})
|
||||
}
|
||||
|
||||
uploadingStagingBuffer.Unmap(0, nil)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (i *Image) resource() *_ID3D12Resource {
|
||||
if i.screen {
|
||||
return i.graphics.renderTargets[i.graphics.frameIndex]
|
||||
}
|
||||
return i.texture
|
||||
}
|
||||
|
||||
func (i *Image) state() _D3D12_RESOURCE_STATES {
|
||||
if i.screen {
|
||||
return i.states[i.graphics.frameIndex]
|
||||
}
|
||||
return i.states[0]
|
||||
}
|
||||
|
||||
func (i *Image) setState(newState _D3D12_RESOURCE_STATES) {
|
||||
if i.screen {
|
||||
i.states[i.graphics.frameIndex] = newState
|
||||
return
|
||||
}
|
||||
i.states[0] = newState
|
||||
}
|
||||
|
||||
func (i *Image) transiteState(newState _D3D12_RESOURCE_STATES) (_D3D12_RESOURCE_BARRIER_Transition, bool) {
|
||||
if i.state() == newState {
|
||||
return _D3D12_RESOURCE_BARRIER_Transition{}, false
|
||||
}
|
||||
oldState := i.state()
|
||||
i.setState(newState)
|
||||
|
||||
return _D3D12_RESOURCE_BARRIER_Transition{
|
||||
Type: _D3D12_RESOURCE_BARRIER_TYPE_TRANSITION,
|
||||
Flags: _D3D12_RESOURCE_BARRIER_FLAG_NONE,
|
||||
Transition: _D3D12_RESOURCE_TRANSITION_BARRIER{
|
||||
pResource: i.resource(),
|
||||
Subresource: _D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES,
|
||||
StateBefore: oldState,
|
||||
StateAfter: newState,
|
||||
},
|
||||
}, true
|
||||
}
|
||||
|
||||
func (i *Image) internalSize() (int, int) {
|
||||
if i.screen {
|
||||
return i.width, i.height
|
||||
}
|
||||
return graphics.InternalImageSize(i.width), graphics.InternalImageSize(i.height)
|
||||
}
|
||||
|
||||
func (i *Image) setAsRenderTarget(drawCommandList *_ID3D12GraphicsCommandList, device *_ID3D12Device, useStencil bool) error {
|
||||
if err := i.ensureRenderTargetView(device); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if i.screen {
|
||||
if useStencil {
|
||||
return fmt.Errorf("directx: stencils are not available on the screen framebuffer")
|
||||
}
|
||||
rtv, err := i.graphics.rtvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
rtv.Offset(int32(i.graphics.frameIndex), i.graphics.rtvDescriptorSize)
|
||||
drawCommandList.OMSetRenderTargets([]_D3D12_CPU_DESCRIPTOR_HANDLE{rtv}, false, nil)
|
||||
return nil
|
||||
}
|
||||
|
||||
rtv, err := i.rtvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if !useStencil {
|
||||
drawCommandList.OMSetRenderTargets([]_D3D12_CPU_DESCRIPTOR_HANDLE{rtv}, false, nil)
|
||||
return nil
|
||||
}
|
||||
|
||||
if err := i.ensureDepthStencilView(device); err != nil {
|
||||
return err
|
||||
}
|
||||
dsv, err := i.dsvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
drawCommandList.OMSetStencilRef(0)
|
||||
drawCommandList.OMSetRenderTargets([]_D3D12_CPU_DESCRIPTOR_HANDLE{rtv}, false, &dsv)
|
||||
drawCommandList.ClearDepthStencilView(dsv, _D3D12_CLEAR_FLAG_STENCIL, 0, 0, nil)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (i *Image) ensureRenderTargetView(device *_ID3D12Device) error {
|
||||
if i.screen {
|
||||
return nil
|
||||
}
|
||||
|
||||
if i.rtvDescriptorHeap != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
h, err := device.CreateDescriptorHeap(&_D3D12_DESCRIPTOR_HEAP_DESC{
|
||||
Type: _D3D12_DESCRIPTOR_HEAP_TYPE_RTV,
|
||||
NumDescriptors: 1,
|
||||
Flags: _D3D12_DESCRIPTOR_HEAP_FLAG_NONE,
|
||||
NodeMask: 0,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
i.rtvDescriptorHeap = h
|
||||
|
||||
rtv, err := i.rtvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
device.CreateRenderTargetView(i.texture, nil, rtv)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (i *Image) ensureDepthStencilView(device *_ID3D12Device) error {
|
||||
if i.screen {
|
||||
return fmt.Errorf("directx: stencils are not available on the screen framebuffer")
|
||||
}
|
||||
|
||||
if i.dsvDescriptorHeap != nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
h, err := device.CreateDescriptorHeap(&_D3D12_DESCRIPTOR_HEAP_DESC{
|
||||
Type: _D3D12_DESCRIPTOR_HEAP_TYPE_DSV,
|
||||
NumDescriptors: 1,
|
||||
Flags: _D3D12_DESCRIPTOR_HEAP_FLAG_NONE,
|
||||
NodeMask: 0,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
i.dsvDescriptorHeap = h
|
||||
|
||||
dsv, err := i.dsvDescriptorHeap.GetCPUDescriptorHandleForHeapStart()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if i.stencil == nil {
|
||||
s, err := device.CreateCommittedResource(&_D3D12_HEAP_PROPERTIES{
|
||||
Type: _D3D12_HEAP_TYPE_DEFAULT,
|
||||
CPUPageProperty: _D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
|
||||
MemoryPoolPreference: _D3D12_MEMORY_POOL_UNKNOWN,
|
||||
CreationNodeMask: 1,
|
||||
VisibleNodeMask: 1,
|
||||
}, _D3D12_HEAP_FLAG_NONE, &_D3D12_RESOURCE_DESC{
|
||||
Dimension: _D3D12_RESOURCE_DIMENSION_TEXTURE2D,
|
||||
Alignment: 0,
|
||||
Width: uint64(graphics.InternalImageSize(i.width)),
|
||||
Height: uint32(graphics.InternalImageSize(i.height)),
|
||||
DepthOrArraySize: 1,
|
||||
MipLevels: 0,
|
||||
Format: _DXGI_FORMAT_D24_UNORM_S8_UINT,
|
||||
SampleDesc: _DXGI_SAMPLE_DESC{
|
||||
Count: 1,
|
||||
Quality: 0,
|
||||
},
|
||||
Layout: _D3D12_TEXTURE_LAYOUT_UNKNOWN,
|
||||
Flags: _D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL,
|
||||
}, _D3D12_RESOURCE_STATE_DEPTH_WRITE, &_D3D12_CLEAR_VALUE{
|
||||
Format: _DXGI_FORMAT_D24_UNORM_S8_UINT,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
i.stencil = s
|
||||
}
|
||||
device.CreateDepthStencilView(i.stencil, nil, dsv)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (i *Image) releaseUploadingStagingBuffers() {
|
||||
for idx, buf := range i.uploadingStagingBuffers {
|
||||
buf.Release()
|
||||
i.uploadingStagingBuffers[idx] = nil
|
||||
}
|
||||
i.uploadingStagingBuffers = i.uploadingStagingBuffers[:0]
|
||||
}
|
||||
227
internal/graphicsdriver/directx/shader_windows.go
Normal file
227
internal/graphicsdriver/directx/shader_windows.go
Normal file
@ -0,0 +1,227 @@
|
||||
// Copyright 2023 The Ebitengine Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package directx
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/hajimehoshi/ebiten/v2/internal/graphics"
|
||||
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
|
||||
"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
|
||||
)
|
||||
|
||||
type stencilMode int
|
||||
|
||||
const (
|
||||
prepareStencil stencilMode = iota
|
||||
drawWithStencil
|
||||
noStencil
|
||||
)
|
||||
|
||||
type pipelineStateKey struct {
|
||||
blend graphicsdriver.Blend
|
||||
stencilMode stencilMode
|
||||
screen bool
|
||||
}
|
||||
|
||||
type Shader struct {
|
||||
graphics *Graphics
|
||||
id graphicsdriver.ShaderID
|
||||
uniformTypes []shaderir.Type
|
||||
uniformOffsets []int
|
||||
vertexShader *_ID3DBlob
|
||||
pixelShader *_ID3DBlob
|
||||
pipelineStates map[pipelineStateKey]*_ID3D12PipelineState
|
||||
}
|
||||
|
||||
func (s *Shader) ID() graphicsdriver.ShaderID {
|
||||
return s.id
|
||||
}
|
||||
|
||||
func (s *Shader) Dispose() {
|
||||
s.graphics.removeShader(s)
|
||||
}
|
||||
|
||||
func (s *Shader) disposeImpl() {
|
||||
for c, p := range s.pipelineStates {
|
||||
p.Release()
|
||||
delete(s.pipelineStates, c)
|
||||
}
|
||||
|
||||
if s.pixelShader != nil {
|
||||
s.pixelShader.Release()
|
||||
s.pixelShader = nil
|
||||
}
|
||||
if s.vertexShader != nil {
|
||||
count := s.vertexShader.Release()
|
||||
if count == 0 {
|
||||
for k, v := range vertexShaderCache {
|
||||
if v == s.vertexShader {
|
||||
delete(vertexShaderCache, k)
|
||||
}
|
||||
}
|
||||
}
|
||||
s.vertexShader = nil
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Shader) pipelineState(blend graphicsdriver.Blend, stencilMode stencilMode, screen bool) (*_ID3D12PipelineState, error) {
|
||||
key := pipelineStateKey{
|
||||
blend: blend,
|
||||
stencilMode: stencilMode,
|
||||
screen: screen,
|
||||
}
|
||||
if state, ok := s.pipelineStates[key]; ok {
|
||||
return state, nil
|
||||
}
|
||||
|
||||
state, err := s.graphics.pipelineStates.newPipelineState(s.graphics.device, s.vertexShader, s.pixelShader, blend, stencilMode, screen)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if s.pipelineStates == nil {
|
||||
s.pipelineStates = map[pipelineStateKey]*_ID3D12PipelineState{}
|
||||
}
|
||||
s.pipelineStates[key] = state
|
||||
return state, nil
|
||||
}
|
||||
|
||||
func (s *Shader) adjustUniforms(uniforms []uint32, shader *Shader) []uint32 {
|
||||
var fs []uint32
|
||||
var idx int
|
||||
for i, typ := range shader.uniformTypes {
|
||||
if len(fs) < s.uniformOffsets[i]/4 {
|
||||
fs = append(fs, make([]uint32, s.uniformOffsets[i]/4-len(fs))...)
|
||||
}
|
||||
|
||||
n := typ.Uint32Count()
|
||||
switch typ.Main {
|
||||
case shaderir.Float:
|
||||
fs = append(fs, uniforms[idx:idx+1]...)
|
||||
case shaderir.Int:
|
||||
fs = append(fs, uniforms[idx:idx+1]...)
|
||||
case shaderir.Vec2, shaderir.IVec2:
|
||||
fs = append(fs, uniforms[idx:idx+2]...)
|
||||
case shaderir.Vec3, shaderir.IVec3:
|
||||
fs = append(fs, uniforms[idx:idx+3]...)
|
||||
case shaderir.Vec4, shaderir.IVec4:
|
||||
fs = append(fs, uniforms[idx:idx+4]...)
|
||||
case shaderir.Mat2:
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+2], 0, 0,
|
||||
uniforms[idx+1], uniforms[idx+3],
|
||||
)
|
||||
case shaderir.Mat3:
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+3], uniforms[idx+6], 0,
|
||||
uniforms[idx+1], uniforms[idx+4], uniforms[idx+7], 0,
|
||||
uniforms[idx+2], uniforms[idx+5], uniforms[idx+8],
|
||||
)
|
||||
case shaderir.Mat4:
|
||||
if i == graphics.ProjectionMatrixUniformVariableIndex {
|
||||
// In DirectX, the NDC's Y direction (upward) and the framebuffer's Y direction (downward) don't
|
||||
// match. Then, the Y direction must be inverted.
|
||||
// Invert the sign bits as float32 values.
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+4], uniforms[idx+8], uniforms[idx+12],
|
||||
uniforms[idx+1]^(1<<31), uniforms[idx+5]^(1<<31), uniforms[idx+9]^(1<<31), uniforms[idx+13]^(1<<31),
|
||||
uniforms[idx+2], uniforms[idx+6], uniforms[idx+10], uniforms[idx+14],
|
||||
uniforms[idx+3], uniforms[idx+7], uniforms[idx+11], uniforms[idx+15],
|
||||
)
|
||||
} else {
|
||||
fs = append(fs,
|
||||
uniforms[idx+0], uniforms[idx+4], uniforms[idx+8], uniforms[idx+12],
|
||||
uniforms[idx+1], uniforms[idx+5], uniforms[idx+9], uniforms[idx+13],
|
||||
uniforms[idx+2], uniforms[idx+6], uniforms[idx+10], uniforms[idx+14],
|
||||
uniforms[idx+3], uniforms[idx+7], uniforms[idx+11], uniforms[idx+15],
|
||||
)
|
||||
}
|
||||
case shaderir.Array:
|
||||
// Each element is aligned to the boundary.
|
||||
switch typ.Sub[0].Main {
|
||||
case shaderir.Float:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+j])
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0, 0, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Int:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+j])
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0, 0, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Vec2, shaderir.IVec2:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+2*j:idx+2*(j+1)]...)
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Vec3, shaderir.IVec3:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
fs = append(fs, uniforms[idx+3*j:idx+3*(j+1)]...)
|
||||
if j < typ.Length-1 {
|
||||
fs = append(fs, 0)
|
||||
}
|
||||
}
|
||||
case shaderir.Vec4, shaderir.IVec4:
|
||||
fs = append(fs, uniforms[idx:idx+4*typ.Length]...)
|
||||
case shaderir.Mat2:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
u := uniforms[idx+4*j : idx+4*(j+1)]
|
||||
fs = append(fs,
|
||||
u[0], u[2], 0, 0,
|
||||
u[1], u[3], 0, 0,
|
||||
)
|
||||
}
|
||||
if typ.Length > 0 {
|
||||
fs = fs[:len(fs)-2]
|
||||
}
|
||||
case shaderir.Mat3:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
u := uniforms[idx+9*j : idx+9*(j+1)]
|
||||
fs = append(fs,
|
||||
u[0], u[3], u[6], 0,
|
||||
u[1], u[4], u[7], 0,
|
||||
u[2], u[5], u[8], 0,
|
||||
)
|
||||
}
|
||||
if typ.Length > 0 {
|
||||
fs = fs[:len(fs)-1]
|
||||
}
|
||||
case shaderir.Mat4:
|
||||
for j := 0; j < typ.Length; j++ {
|
||||
u := uniforms[idx+16*j : idx+16*(j+1)]
|
||||
fs = append(fs,
|
||||
u[0], u[4], u[8], u[12],
|
||||
u[1], u[5], u[9], u[13],
|
||||
u[2], u[6], u[10], u[14],
|
||||
u[3], u[7], u[11], u[15],
|
||||
)
|
||||
}
|
||||
default:
|
||||
panic(fmt.Sprintf("directx: not implemented type for uniform variables: %s", typ.String()))
|
||||
}
|
||||
default:
|
||||
panic(fmt.Sprintf("directx: not implemented type for uniform variables: %s", typ.String()))
|
||||
}
|
||||
|
||||
idx += n
|
||||
}
|
||||
return fs
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user