mirror of
https://github.com/lxsang/Diya-API.git
synced 2024-12-27 03:48:21 +01:00
183 lines
3.6 KiB
Smalltalk
183 lines
3.6 KiB
Smalltalk
Class {
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#name : #DiyaRendererContext,
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#superclass : #DiyaSingleton,
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#instVars : [
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'mouse',
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'display',
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'vbo',
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'vao',
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'textures',
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'projection',
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'assets',
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'window',
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'root'
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],
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#pools : [
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'OpenGLConstants',
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'OpenGLTypes'
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],
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#category : #'Diya-Graphics'
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}
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{ #category : #'instance creation' }
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DiyaRendererContext class >> cleanUpInstance: singleton [
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singleton ifNil:[^self].
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singleton destroy
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]
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{ #category : #'instance creation' }
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DiyaRendererContext class >> maxFloatBufferSize [
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^4096
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]
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{ #category : #accessing }
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DiyaRendererContext class >> maxTextureNumber [
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^ 32
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]
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{ #category : #accessing }
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DiyaRendererContext >> assets [
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^ assets
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]
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{ #category : #accessing }
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DiyaRendererContext >> assets: anObject [
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assets := anObject
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]
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{ #category : #accessing }
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DiyaRendererContext >> destroy [
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vao disableAttribute: 0.
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vao delete.
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vbo delete.
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textures do: [:e | e key delete ].
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textures := OrderedCollection new.
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]
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{ #category : #accessing }
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DiyaRendererContext >> display [
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^ display
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]
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{ #category : #accessing }
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DiyaRendererContext >> display: anObject [
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display := anObject
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]
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{ #category : #rendering }
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DiyaRendererContext >> findTextureUnit [
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textures withIndexDo: [ :e :i|
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e value ifNil: [ ^ i - 1]
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].
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"random unit value"
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^ (Random new nextInt: self class maxTextureNumber) - 1
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]
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{ #category : #accessing }
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DiyaRendererContext >> initialize [
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super initialize.
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vbo := OpenGLVertexBuffer new.
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vao := OpenGLVertexArray new.
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textures := Dictionary new.
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vao bind.
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vbo bind: GL_ARRAY_BUFFER.
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projection := Array2D identity: 4.
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assets := AssetManager new.
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vao enableAttribute: 0.
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OpenGLVertexArray
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vertexAttributePointerIndex: 0
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size:4
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type: GL_FLOAT
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normalized: GL_FALSE
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stride: 16
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pointer: nil.
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textures :=
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(1 to: self class maxTextureNumber ) collect:[:i|
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(OpenGLTexture fromUnit: i - 1) -> nil] .
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]
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{ #category : #accessing }
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DiyaRendererContext >> mouse [
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^ mouse
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]
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{ #category : #accessing }
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DiyaRendererContext >> mouse: anObject [
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mouse := anObject
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]
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{ #category : #accessing }
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DiyaRendererContext >> projection [
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^ projection
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]
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{ #category : #rendering }
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DiyaRendererContext >> render [
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root render.
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root readyForSwap ifTrue: [
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SDL2 glSwapWindow: window.
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]
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]
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{ #category : #accessing }
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DiyaRendererContext >> resolution [
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^ (display w) @ (display h)
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]
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{ #category : #accessing }
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DiyaRendererContext >> root [
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root ifNil: [ root := DiyaRootNode new ].
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^ root
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]
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{ #category : #rendering }
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DiyaRendererContext >> submitData: vbuffer [
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vbo data: GL_ARRAY_BUFFER data: vbuffer usage: GL_DYNAMIC_DRAW.
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]
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{ #category : #'transformation matrices' }
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DiyaRendererContext >> useProjection: aClass [
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projection := aClass fromDisplay: self display
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]
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{ #category : #rendering }
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DiyaRendererContext >> useTexture: aTexture [
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|assoc|
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aTexture unit == -1 ifTrue:[ aTexture unit: self findTextureUnit].
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assoc := textures at: aTexture unit + 1.
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assoc value = aTexture ifFalse:[
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"unregister current texture"
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assoc value ifNotNil: [ assoc value commited: false ].
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aTexture commited: false.
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assoc value: aTexture.
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].
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assoc key active.
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aTexture commited ifTrue:[ ^ self ].
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"self stdlog: 'Commit data data to texture ', aTexture name, ' on Unit ', aTexture unit asString."
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assoc key setImage2D: aTexture.
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aTexture commited: true.
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]
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{ #category : #accessing }
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DiyaRendererContext >> vao [
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^ vao
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]
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{ #category : #accessing }
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DiyaRendererContext >> vbo [
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^ vbo
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]
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{ #category : #accessing }
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DiyaRendererContext >> window [
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^ window
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]
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{ #category : #accessing }
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DiyaRendererContext >> window: anObject [
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window := anObject
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]
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