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internal/graphicsdriver/directx: refactoring

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This commit is contained in:
Hajime Hoshi 2023-03-22 21:43:36 +09:00
parent 034f9c2db8
commit ad90ae3475
1 changed files with 37 additions and 18 deletions
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55
internal/graphicsdriver/directx/graphics_windows.go
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@ -80,6 +80,17 @@ func init() {
}
}
type resourceWithSize struct {
value *_ID3D12Resource
sizeInBytes uint32
}
func (r *resourceWithSize) release() {
r.value.Release()
r.value = nil
r.sizeInBytes = 0
}
type Graphics struct {
debug *_ID3D12Debug
device *_ID3D12Device
@ -115,8 +126,8 @@ type Graphics struct {
// drawCommandList and copyCommandList are exclusive: if one is not empty, the other must be empty.
vertices [frameCount][]*_ID3D12Resource
indices [frameCount][]*_ID3D12Resource
vertices [frameCount][]*resourceWithSize
indices [frameCount][]*resourceWithSize
factory *_IDXGIFactory4
swapChain *_IDXGISwapChain4
@ -951,13 +962,13 @@ func (g *Graphics) releaseResources(frameIndex int) {
func (g *Graphics) releaseVerticesAndIndices(frameIndex int) {
for i := range g.vertices[frameIndex] {
g.vertices[frameIndex][i].Release()
g.vertices[frameIndex][i].release()
g.vertices[frameIndex][i] = nil
}
g.vertices[frameIndex] = g.vertices[frameIndex][:0]
for i := range g.indices[frameIndex] {
g.indices[frameIndex][i].Release()
g.indices[frameIndex][i].release()
g.indices[frameIndex][i] = nil
}
g.indices[frameIndex] = g.indices[frameIndex][:0]
@ -1043,14 +1054,18 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error
}
if g.vertices[g.frameIndex][vidx] == nil {
// TODO: Use the default heap for efficiently. See the official example HelloTriangle.
vs, err := createBuffer(g.device, graphics.IndicesCount*graphics.VertexFloatCount*uint64(unsafe.Sizeof(float32(0))), _D3D12_HEAP_TYPE_UPLOAD)
size := graphics.IndicesCount * graphics.VertexFloatCount * uint32(unsafe.Sizeof(float32(0)))
vs, err := createBuffer(g.device, uint64(size), _D3D12_HEAP_TYPE_UPLOAD)
if err != nil {
return err
}
g.vertices[g.frameIndex][vidx] = vs
g.vertices[g.frameIndex][vidx] = &resourceWithSize{
value: vs,
sizeInBytes: size,
}
defer func() {
if ferr != nil {
g.vertices[g.frameIndex][vidx].Release()
g.vertices[g.frameIndex][vidx].release()
g.vertices[g.frameIndex][vidx] = nil
}
}()
@ -1063,32 +1078,36 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error
g.indices[g.frameIndex] = append(g.indices[g.frameIndex], nil)
}
if g.indices[g.frameIndex][iidx] == nil {
is, err := createBuffer(g.device, graphics.IndicesCount*uint64(unsafe.Sizeof(uint16(0))), _D3D12_HEAP_TYPE_UPLOAD)
size := graphics.IndicesCount * uint32(unsafe.Sizeof(uint16(0)))
is, err := createBuffer(g.device, uint64(size), _D3D12_HEAP_TYPE_UPLOAD)
if err != nil {
return err
}
g.indices[g.frameIndex][iidx] = is
g.indices[g.frameIndex][iidx] = &resourceWithSize{
value: is,
sizeInBytes: size,
}
defer func() {
if ferr != nil {
g.indices[g.frameIndex][iidx].Release()
g.indices[g.frameIndex][iidx].release()
g.indices[g.frameIndex][iidx] = nil
}
}()
}
m, err := g.vertices[g.frameIndex][vidx].Map(0, &_D3D12_RANGE{0, 0})
m, err := g.vertices[g.frameIndex][vidx].value.Map(0, &_D3D12_RANGE{0, 0})
if err != nil {
return err
}
copy(unsafe.Slice((*float32)(unsafe.Pointer(m)), len(vertices)), vertices)
g.vertices[g.frameIndex][vidx].Unmap(0, nil)
g.vertices[g.frameIndex][vidx].value.Unmap(0, nil)
m, err = g.indices[g.frameIndex][iidx].Map(0, &_D3D12_RANGE{0, 0})
m, err = g.indices[g.frameIndex][iidx].value.Map(0, &_D3D12_RANGE{0, 0})
if err != nil {
return err
}
copy(unsafe.Slice((*uint16)(unsafe.Pointer(m)), len(indices)), indices)
g.indices[g.frameIndex][iidx].Unmap(0, nil)
g.indices[g.frameIndex][iidx].value.Unmap(0, nil)
return nil
}
@ -1291,14 +1310,14 @@ func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcs [graphics.Sh
g.drawCommandList.IASetPrimitiveTopology(_D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST)
g.drawCommandList.IASetVertexBuffers(0, []_D3D12_VERTEX_BUFFER_VIEW{
{
BufferLocation: g.vertices[g.frameIndex][len(g.vertices[g.frameIndex])-1].GetGPUVirtualAddress(),
SizeInBytes: graphics.IndicesCount * graphics.VertexFloatCount * uint32(unsafe.Sizeof(float32(0))),
BufferLocation: g.vertices[g.frameIndex][len(g.vertices[g.frameIndex])-1].value.GetGPUVirtualAddress(),
SizeInBytes: g.vertices[g.frameIndex][len(g.vertices[g.frameIndex])-1].sizeInBytes,
StrideInBytes: graphics.VertexFloatCount * uint32(unsafe.Sizeof(float32(0))),
},
})
g.drawCommandList.IASetIndexBuffer(&_D3D12_INDEX_BUFFER_VIEW{
BufferLocation: g.indices[g.frameIndex][len(g.indices[g.frameIndex])-1].GetGPUVirtualAddress(),
SizeInBytes: graphics.IndicesCount * uint32(unsafe.Sizeof(uint16(0))),
BufferLocation: g.indices[g.frameIndex][len(g.indices[g.frameIndex])-1].value.GetGPUVirtualAddress(),
SizeInBytes: g.indices[g.frameIndex][len(g.indices[g.frameIndex])-1].sizeInBytes,
Format: _DXGI_FORMAT_R16_UINT,
})