Files
nmage/renderer/rend3dgl/rend3dgl.go

42 lines
816 B
Go
Executable File

package rend3dgl
import (
"github.com/bloeys/gglm/gglm"
"github.com/bloeys/nmage/materials"
"github.com/bloeys/nmage/meshes"
"github.com/bloeys/nmage/renderer"
"github.com/go-gl/gl/v4.1-core/gl"
)
var _ renderer.Render = &Rend3DGL{}
type Rend3DGL struct {
BoundMesh *meshes.Mesh
BoundMat *materials.Material
}
func (r3d *Rend3DGL) Draw(mesh *meshes.Mesh, trMat *gglm.TrMat, mat *materials.Material) {
if mesh != r3d.BoundMesh {
mesh.Buf.Bind()
r3d.BoundMesh = mesh
}
if mat != r3d.BoundMat {
mat.Bind()
r3d.BoundMat = mat
}
mat.SetUnifMat4("modelMat", &trMat.Mat4)
gl.DrawElements(gl.TRIANGLES, mesh.Buf.IndexBufCount, gl.UNSIGNED_INT, gl.PtrOffset(0))
}
func (r3d *Rend3DGL) FrameEnd() {
r3d.BoundMesh = nil
r3d.BoundMat = nil
}
func NewRend3DGL() *Rend3DGL {
return &Rend3DGL{}
}