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internal/graphicsdriver/directx: refactoring: remove usages of graphics.IndicesCount

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Updates #2460
This commit is contained in:
Hajime Hoshi 2023-03-23 02:43:59 +09:00
parent a19ff07130
commit e5525a04d5
1 changed files with 27 additions and 6 deletions
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33
internal/graphicsdriver/directx/graphics_windows.go
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@ -17,6 +17,7 @@ package directx
import (
"errors"
"fmt"
"math"
"os"
"strings"
"time"
@ -1044,6 +1045,18 @@ func (g *Graphics) SetTransparent(transparent bool) {
g.transparent = transparent
}
func pow2(x uint32) uint32 {
if x > (math.MaxUint32+1)/2 {
return math.MaxUint32
}
var p2 uint32 = 1
for p2 < x {
p2 *= 2
}
return p2
}
func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error) {
// Create buffers if necessary.
vidx := len(g.vertices[g.frameIndex])
@ -1052,16 +1065,20 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error
} else {
g.vertices[g.frameIndex] = append(g.vertices[g.frameIndex], nil)
}
vsize := pow2(uint32(len(vertices)) * uint32(unsafe.Sizeof(float32(0))))
if g.vertices[g.frameIndex][vidx] != nil && g.vertices[g.frameIndex][vidx].sizeInBytes < vsize {
g.vertices[g.frameIndex][vidx].release()
g.vertices[g.frameIndex][vidx] = nil
}
if g.vertices[g.frameIndex][vidx] == nil {
// TODO: Use the default heap for efficiently. See the official example HelloTriangle.
size := graphics.IndicesCount * graphics.VertexFloatCount * uint32(unsafe.Sizeof(float32(0)))
vs, err := createBuffer(g.device, uint64(size), _D3D12_HEAP_TYPE_UPLOAD)
vs, err := createBuffer(g.device, uint64(vsize), _D3D12_HEAP_TYPE_UPLOAD)
if err != nil {
return err
}
g.vertices[g.frameIndex][vidx] = &resourceWithSize{
value: vs,
sizeInBytes: size,
sizeInBytes: vsize,
}
defer func() {
if ferr != nil {
@ -1077,15 +1094,19 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) (ferr error
} else {
g.indices[g.frameIndex] = append(g.indices[g.frameIndex], nil)
}
isize := pow2(uint32(len(indices)) * uint32(unsafe.Sizeof(uint16(0))))
if g.indices[g.frameIndex][iidx] != nil && g.indices[g.frameIndex][iidx].sizeInBytes < isize {
g.indices[g.frameIndex][iidx].release()
g.indices[g.frameIndex][iidx] = nil
}
if g.indices[g.frameIndex][iidx] == nil {
size := graphics.IndicesCount * uint32(unsafe.Sizeof(uint16(0)))
is, err := createBuffer(g.device, uint64(size), _D3D12_HEAP_TYPE_UPLOAD)
is, err := createBuffer(g.device, uint64(isize), _D3D12_HEAP_TYPE_UPLOAD)
if err != nil {
return err
}
g.indices[g.frameIndex][iidx] = &resourceWithSize{
value: is,
sizeInBytes: size,
sizeInBytes: isize,
}
defer func() {
if ferr != nil {