mirror of
https://github.com/lxsang/Diya-API.git
synced 2024-12-28 12:28:21 +01:00
55 lines
1.2 KiB
Smalltalk
55 lines
1.2 KiB
Smalltalk
Class {
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#name : #Diya2DPrimShape,
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#superclass : #Diya2DNode,
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#instVars : [
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'texture'
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],
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#category : #'Diya-Graphics'
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}
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{ #category : #initialization }
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Diya2DPrimShape >> draw [
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vbuffer ifNil: [ ^self ].
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self shader
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setUniform: #u_use_texture value:1.
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"configure vao vbo for texture QUAD"
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self texture ifNotNil: [
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self texture setup.
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context texture0 setImage2D: self texture.
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context texture0 active.
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].
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context vao enableAttribute: 0.
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OpenGLVertexArray vertexAttributePointerIndex: 0 size:4 type: GL_FLOAT normalized: GL_FALSE stride: 16 pointer: nil .
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context vbo data: GL_ARRAY_BUFFER data: vbuffer usage: GL_STATIC_DRAW.
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OpenGL drawArrays: GL_TRIANGLES first:0 count:nvertices.
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context vao disableAttribute: 0.
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"reset value"
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self texture ifNotNil: [self texture drop.].
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]
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{ #category : #initialization }
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Diya2DPrimShape >> initialize [
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super initialize.
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texture := nil.
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children := nil
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]
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{ #category : #initialization }
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Diya2DPrimShape >> setUpShader [
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super setUpShader.
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texture ifNotNil: [
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self shader
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setUniform: #u_use_texture value:1.
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].
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]
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{ #category : #accessing }
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Diya2DPrimShape >> texture [
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^ texture
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]
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{ #category : #accessing }
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Diya2DPrimShape >> texture: anObject [
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texture := anObject
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]
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