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Refactoring

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This commit is contained in:
Hajime Hoshi 2013-07-05 00:49:17 +09:00
parent 508e5150de
commit 30cdcfd574
2 changed files with 20 additions and 30 deletions
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6
graphics/opengl/context.go
View File

@ -66,11 +66,9 @@ func newContext(screenWidth, screenHeight, screenScale int) *Context {
initializeShaders()
return context
}
context.screen = context.NewTexture(screenWidth, screenHeight)
func (context *Context) setScreen(screen graphics.Texture) {
context.screen = screen
return context
}
func (context *Context) Screen() graphics.Texture {

44
graphics/opengl/device.go
View File

@ -31,29 +31,21 @@ import (
)
type Device struct {
screenWidth int
screenHeight int
screenScale int
context *Context
offscreenTexture graphics.Texture
drawing chan chan func(graphics.Context)
updating chan chan func()
screenScale int
context *Context
drawing chan chan func(graphics.Context)
updating chan chan func()
}
func NewDevice(screenWidth, screenHeight, screenScale int, updating chan chan func()) *Device {
context := newContext(screenWidth, screenHeight, screenScale)
device := &Device{
screenWidth: screenWidth,
screenHeight: screenHeight,
screenScale: screenScale,
drawing: make(chan chan func(graphics.Context)),
context: context,
updating: updating,
screenScale: screenScale,
drawing: make(chan chan func(graphics.Context)),
context: context,
updating: updating,
}
device.offscreenTexture =
device.context.NewTexture(screenWidth, screenHeight)
device.context.setScreen(device.offscreenTexture)
go func() {
for {
@ -70,35 +62,35 @@ func (device *Device) Drawing() <-chan chan func(graphics.Context) {
}
func (device *Device) Update() {
g := device.context
context := device.context
C.glEnable(C.GL_TEXTURE_2D)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_NEAREST)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_NEAREST)
g.SetOffscreen(device.offscreenTexture.ID)
g.Clear()
context.SetOffscreen(context.Screen().ID)
context.Clear()
ch := make(chan func(graphics.Context))
device.drawing <- ch
drawable := <-ch
drawable(g)
drawable(context)
g.flush()
context.flush()
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_LINEAR)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_LINEAR)
g.resetOffscreen()
g.Clear()
context.resetOffscreen()
context.Clear()
scale := float64(g.screenScale)
scale := float64(context.screenScale)
geometryMatrix := matrix.Geometry{
[2][3]float64{
{scale, 0, 0},
{0, scale, 0},
},
}
g.DrawTexture(device.offscreenTexture.ID,
context.DrawTexture(context.Screen().ID,
geometryMatrix, matrix.IdentityColor())
g.flush()
context.flush()
}
func (device *Device) TextureFactory() graphics.TextureFactory {