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restorable: VRAM -> GPU

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This commit is contained in:
Hajime Hoshi 2017-05-30 01:28:23 +09:00
parent 9c9c70e7ba
commit a5f80c3716
1 changed files with 4 additions and 4 deletions
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8
internal/restorable/image.go
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@ -162,7 +162,7 @@ func (p *Image) appendDrawImageHistory(image *Image, vertices []float32, colorm
// At returns a color value at (x, y). // At returns a color value at (x, y).
// //
// Note that this must not be called until context is available. // Note that this must not be called until context is available.
// This means Pixels members must match with acutal state in VRAM. // This means Pixels members must match with acutal state in GPU.
func (p *Image) At(x, y int, context *opengl.Context) (color.RGBA, error) { func (p *Image) At(x, y int, context *opengl.Context) (color.RGBA, error) {
w, h := p.image.Size() w, h := p.image.Size()
w2, h2 := graphics.NextPowerOf2Int(w), graphics.NextPowerOf2Int(h) w2, h2 := graphics.NextPowerOf2Int(w), graphics.NextPowerOf2Int(h)
@ -170,7 +170,7 @@ func (p *Image) At(x, y int, context *opengl.Context) (color.RGBA, error) {
return color.RGBA{}, nil return color.RGBA{}, nil
} }
if p.basePixels == nil || p.drawImageHistory != nil || p.stale { if p.basePixels == nil || p.drawImageHistory != nil || p.stale {
if err := p.readPixelsFromVRAM(p.image, context); err != nil { if err := p.readPixelsFromGPU(p.image, context); err != nil {
return color.RGBA{}, err return color.RGBA{}, err
} }
} }
@ -191,7 +191,7 @@ func (p *Image) makeStaleIfDependingOn(target *Image) {
} }
} }
func (p *Image) readPixelsFromVRAM(image *graphics.Image, context *opengl.Context) error { func (p *Image) readPixelsFromGPU(image *graphics.Image, context *opengl.Context) error {
var err error var err error
p.basePixels, err = image.Pixels(context) p.basePixels, err = image.Pixels(context)
if err != nil { if err != nil {
@ -210,7 +210,7 @@ func (p *Image) resolveStalePixels(context *opengl.Context) error {
if !p.stale { if !p.stale {
return nil return nil
} }
return p.readPixelsFromVRAM(p.image, context) return p.readPixelsFromGPU(p.image, context)
} }
func (p *Image) hasDependency() bool { func (p *Image) hasDependency() bool {