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go-opengl-pixel
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change unsafe.Pointer to interface{} in vertex

This commit is contained in:
faiface 2016-11-30 17:58:23 +01:00
parent d53eefbf59
commit 3b70c803c2
1 changed files with 6 additions and 8 deletions
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14
pixelgl/vertex.go
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@ -1,8 +1,6 @@
package pixelgl
import (
"unsafe"
"github.com/go-gl/gl/v3.3-core/gl"
"github.com/pkg/errors"
)
@ -207,8 +205,8 @@ func (va *VertexArray) Draw() {
}
// SetVertex sets the value of all attributes of a vertex.
// Argument data must point to a slice/array containing the new vertex data.
func (va *VertexArray) SetVertex(vertex int, data unsafe.Pointer) {
// Argument data must be a slice/array containing the new vertex data.
func (va *VertexArray) SetVertex(vertex int, data interface{}) {
if vertex < 0 || vertex >= va.count {
panic("set vertex error: invalid vertex index")
}
@ -216,7 +214,7 @@ func (va *VertexArray) SetVertex(vertex int, data unsafe.Pointer) {
gl.BindBuffer(gl.ARRAY_BUFFER, va.vbo)
offset := va.stride * vertex
gl.BufferSubData(gl.ARRAY_BUFFER, offset, va.format.Size(), data)
gl.BufferSubData(gl.ARRAY_BUFFER, offset, va.format.Size(), gl.Ptr(data))
gl.BindBuffer(gl.ARRAY_BUFFER, 0)
@ -227,11 +225,11 @@ func (va *VertexArray) SetVertex(vertex int, data unsafe.Pointer) {
}
// SetVertexAttribute sets the value of the specified vertex attribute of the specified vertex.
// Argument data must point to a slice/array containing the new attribute data.
// Argument data must be a slice/array containing the new attribute data.
//
// This function returns false if the specified attribute does not exist. Note that the function panics
// if the vertex is out of range.
func (va *VertexArray) SetVertexAttribute(vertex int, attr Attr, data unsafe.Pointer) (ok bool) {
func (va *VertexArray) SetVertexAttribute(vertex int, attr Attr, data interface{}) (ok bool) {
if vertex < 0 || vertex >= va.count {
panic("set vertex attribute error: invalid vertex index")
}
@ -242,7 +240,7 @@ func (va *VertexArray) SetVertexAttribute(vertex int, attr Attr, data unsafe.Poi
gl.BindBuffer(gl.ARRAY_BUFFER, va.vbo)
offset := va.stride*vertex + va.attrs[attr]
gl.BufferSubData(gl.ARRAY_BUFFER, offset, attr.Type.Size(), data)
gl.BufferSubData(gl.ARRAY_BUFFER, offset, attr.Type.Size(), gl.Ptr(data))
gl.BindBuffer(gl.ARRAY_BUFFER, 0)