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Diya-API/Diya/OpenGLVertexBuffer.class.st
2022-08-13 23:48:23 +02:00

100 lines
3.2 KiB
Smalltalk

Class {
#name : #OpenGLVertexBuffer,
#superclass : #DiyaBaseObject,
#instVars : [
'vertexBufferID'
],
#pools : [
'OpenGLConstants',
'OpenGLTypes'
],
#category : #'Diya-OpenGL'
}
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> bind: target buffer: buffer [
^ self ffiCall: #(void glBindBuffer( GLenum target,GLuint buffer))
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> bufferData:target size: size data: data usage: usage [
^self ffiCall: #(void glBufferData( GLenum target,GLsizeiptr size,const void * data,GLenum usage))
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> deleteBuffersSize:n buffers: buffers [
^self ffiCall: #(void glDeleteBuffers( GLsizei n,const GLuint * buffers))
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> ffiLibraryName [
^ OpenGL ffiLibraryName
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> genVertexBuffersSize:n buffers: buffers [
^self ffiCall: #(void glGenBuffers( GLsizei n,GLuint * buffers))
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> getBufferData: target offset: offset size: size data: data [
^self ffiCall: #(void glGetBufferSubData(GLenum target,GLintptr offset,GLsizeiptr size,void * data))
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> namedBufferData:buffer size: size data: data usage: usage [
^self ffiCall: #(void glNamedBufferData(GLuint buffer,GLsizeiptr size,const void *data,GLenum usage))
]
{ #category : #'as yet unclassified' }
OpenGLVertexBuffer class >> subData:target offset: offset size: size data: data [
^self ffiCall: #(void glBufferSubData(GLenum target,GLintptr offset,GLsizeiptr size,const void * data))
]
{ #category : #initialization }
OpenGLVertexBuffer >> bind: target [
^OpenGLVertexBuffer bind:target buffer: self vertexBufferID
]
{ #category : #'accessing - data' }
OpenGLVertexBuffer >> data:target data: data size: size usage: usage [
"self bind: target."
^OpenGLVertexBuffer bufferData: target size: size data:(data ifNil:[data] ifNotNil: [data getHandle]) usage: usage
]
{ #category : #'accessing - data' }
OpenGLVertexBuffer >> data:target data: data usage: usage [
"self bind: target."
^OpenGLVertexBuffer bufferData: target size: (data size) << 2 data:data getHandle usage: usage
]
{ #category : #'add/remove' }
OpenGLVertexBuffer >> delete [
OpenGLVertexBuffer deleteBuffersSize: 1 buffers: vertexBufferID getHandle.
]
{ #category : #initialization }
OpenGLVertexBuffer >> initialize [
vertexBufferID := FFIExternalArray externalNewType: GLint size:1.
vertexBufferID at:1 put: -1.
vertexBufferID autoRelease.
OpenGLVertexBuffer genVertexBuffersSize: 1 buffers: vertexBufferID getHandle
]
{ #category : #'accessing - data' }
OpenGLVertexBuffer >> subData:target offset: offset data:data [
"self bind: target."
^OpenGLVertexBuffer subData: target offset: offset size: (data size) << 2 data: data getHandle
]
{ #category : #'accessing - data' }
OpenGLVertexBuffer >> subData:target offset: offset data:data size: size [
"self bind: target."
^OpenGLVertexBuffer subData: target offset: offset size: size data: data getHandle
]
{ #category : #initialization }
OpenGLVertexBuffer >> vertexBufferID [
^ vertexBufferID at: 1
]