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go-opengl-pixel
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performance optimizations

This commit is contained in:
faiface 2017-01-13 01:07:13 +01:00
parent 906c3248a4
commit aa0f7462ec
2 changed files with 8 additions and 8 deletions
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2
graphics.go
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@ -78,7 +78,7 @@ func (td *TrianglesData) Position(i int) Vec {
}
// Color returns the color property of i-th vertex.
func (td *TrianglesData) Color(i int) color.Color {
func (td *TrianglesData) Color(i int) NRGBA {
return (*td)[i].Color
}

14
window.go
View File

@ -414,10 +414,10 @@ func (wt *windowTriangles) resize(len int) {
func (wt *windowTriangles) updateData(offset int, t Triangles) {
if t, ok := t.(TrianglesPosition); ok {
for i := offset; i < offset+t.Len(); i++ {
pos := t.Position(i)
px, py := t.Position(i).XY()
wt.data[i][positionVec2] = mgl32.Vec2{
float32(pos.X()),
float32(pos.Y()),
float32(px),
float32(py),
}
}
}
@ -434,10 +434,10 @@ func (wt *windowTriangles) updateData(offset int, t Triangles) {
}
if t, ok := t.(TrianglesTexture); ok {
for i := offset; i < offset+t.Len(); i++ {
tex := t.Texture(i)
tx, ty := t.Texture(i).XY()
wt.data[i][textureVec2] = mgl32.Vec2{
float32(tex.X()),
float32(tex.Y()),
float32(tx),
float32(ty),
}
}
}
@ -484,7 +484,7 @@ func (wt *windowTriangles) Position(i int) Vec {
return V(float64(v.X()), float64(v.Y()))
}
func (wt *windowTriangles) Color(i int) color.Color {
func (wt *windowTriangles) Color(i int) NRGBA {
c := wt.data[i][colorVec4].(mgl32.Vec4)
return NRGBA{
R: float64(c.X()),