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graphics: Speed improvement by returning single value

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This commit is contained in:
Hajime Hoshi 2016-02-17 00:21:39 +09:00
parent 7ab04167d7
commit 169d57936c
3 changed files with 5 additions and 8 deletions
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6
imageparts.go
View File

@ -87,10 +87,10 @@ func (t *textureQuads) Len() int {
return t.parts.Len() return t.parts.Len()
} }
func (t *textureQuads) SetVertices(vertices []int16) (int, error) { func (t *textureQuads) SetVertices(vertices []int16) int {
l := t.Len() l := t.Len()
if len(vertices) < l*16 { if len(vertices) < l*16 {
return 0, fmt.Errorf("grphics: vertices size must be greater than %d but %d", l*16, len(vertices)) panic(fmt.Sprintf("grphics: vertices size must be greater than %d but %d", l*16, len(vertices)))
} }
p := t.parts p := t.parts
w, h := t.width, t.height w, h := t.width, t.height
@ -123,5 +123,5 @@ func (t *textureQuads) SetVertices(vertices []int16) (int, error) {
vertices[16*n+15] = int16(v1) vertices[16*n+15] = int16(v1)
n++ n++
} }
return n, nil return n
} }

5
internal/graphics/draw.go
View File

@ -65,10 +65,7 @@ func drawTexture(c *opengl.Context, texture opengl.Texture, projectionMatrix *[4
} }
p.begin() p.begin()
defer p.end() defer p.end()
n, err := quads.SetVertices(vertices) n := quads.SetVertices(vertices)
if err != nil {
return err
}
if n == 0 { if n == 0 {
return nil return nil
} }

2
internal/graphics/framebuffer.go
View File

@ -22,7 +22,7 @@ import (
type TextureQuads interface { type TextureQuads interface {
Len() int Len() int
SetVertices(vertices []int16) (int, error) SetVertices(vertices []int16) int
} }
type Lines interface { type Lines interface {