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internal/affine: Use a pointer of an array for UnsafeElements

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This commit is contained in:
Hajime Hoshi 2021-07-26 21:19:53 +09:00
parent 2c26e85183
commit 7e5b259dd2
3 changed files with 8 additions and 8 deletions
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8
internal/affine/colorm.go
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@ -173,15 +173,15 @@ func (c *colorMImplBodyTranslate) Apply(clr color.Color) color.Color {
} }
} }
func (c *ColorM) UnsafeElements() ([]float32, []float32) { func (c *ColorM) UnsafeElements() (*[16]float32, *[4]float32) {
if c.isIdentity() { if c.isIdentity() {
return colorMIdentityBody[:], colorMIdentityTranslate[:] return &colorMIdentityBody, &colorMIdentityTranslate
} }
return c.impl.UnsafeElements() return c.impl.UnsafeElements()
} }
func (c *colorMImplBodyTranslate) UnsafeElements() ([]float32, []float32) { func (c *colorMImplBodyTranslate) UnsafeElements() (*[16]float32, *[4]float32) {
return c.body[:], c.translate[:] return &c.body, &c.translate
} }
func (c *ColorM) det() float32 { func (c *ColorM) det() float32 {

4
internal/graphicsdriver/metal/graphics.go
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@ -917,8 +917,8 @@ func (g *Graphics) DrawTriangles(dstID driver.ImageID, srcIDs [graphics.ShaderIm
uniformVars = []interface{}{ uniformVars = []interface{}{
[]float32{float32(w), float32(h)}, []float32{float32(w), float32(h)},
sourceSize, sourceSize,
esBody, esBody[:],
esTranslate, esTranslate[:],
scale, scale,
[]float32{ []float32{
srcRegion.X, srcRegion.X,

4
internal/graphicsdriver/opengl/graphics.go
View File

@ -192,11 +192,11 @@ func (g *Graphics) DrawTriangles(dstID driver.ImageID, srcIDs [graphics.ShaderIm
esBody, esTranslate := colorM.UnsafeElements() esBody, esTranslate := colorM.UnsafeElements()
uniformVars = append(uniformVars, uniformVariable{ uniformVars = append(uniformVars, uniformVariable{
name: "color_matrix_body", name: "color_matrix_body",
value: esBody, value: esBody[:],
typ: shaderir.Type{Main: shaderir.Mat4}, typ: shaderir.Type{Main: shaderir.Mat4},
}, uniformVariable{ }, uniformVariable{
name: "color_matrix_translation", name: "color_matrix_translation",
value: esTranslate, value: esTranslate[:],
typ: shaderir.Type{Main: shaderir.Vec4}, typ: shaderir.Type{Main: shaderir.Vec4},
}) })
} }