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graphics: Use the common vertices backend for PutVertex

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This commit is contained in:
Hajime Hoshi 2019-06-21 02:30:58 +09:00
parent 008de78cec
commit 3eee4754c5
2 changed files with 6 additions and 7 deletions
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2
image.go
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@ -481,7 +481,7 @@ func (i *Image) DrawTriangles(vertices []Vertex, indices []uint16, img *Image, o
filter = graphics.Filter(img.filter) filter = graphics.Filter(img.filter)
} }
vs := make([]float32, len(vertices)*graphics.VertexFloatNum) vs := graphics.VertexSlice(len(vertices))
src := img.mipmap.original() src := img.mipmap.original()
r := img.Bounds() r := img.Bounds()
for idx, v := range vertices { for idx, v := range vertices {

11
internal/graphics/vertices.go
View File

@ -35,11 +35,6 @@ const (
) )
func (v *verticesBackend) slice(n int) []float32 { func (v *verticesBackend) slice(n int) []float32 {
const num = 1024
if n > num {
panic(fmt.Sprintf("graphics: n must be <= num but not: n: %d, num: %d", n, num))
}
v.m.Lock() v.m.Lock()
need := n * VertexFloatNum need := n * VertexFloatNum
@ -49,7 +44,11 @@ func (v *verticesBackend) slice(n int) []float32 {
} }
if v.backend == nil { if v.backend == nil {
v.backend = make([]float32, VertexFloatNum*num) l := 1024
if n > l {
l = n
}
v.backend = make([]float32, VertexFloatNum*l)
} }
s := v.backend[v.head : v.head+need] s := v.backend[v.head : v.head+need]