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gpu/gl: tolerate programs with no attributes

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2020-02-23 14:43:03 +01:00
parent 0be4dd9af0
commit b9d131409e
1 changed files with 5 additions and 2 deletions
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gpu/gl/backend.go
+5 -2
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@@ -348,7 +348,11 @@ func (b *Backend) DrawArrays(mode backend.DrawMode, off, count int) {
} }
func (b *Backend) prepareDraw() { func (b *Backend) prepareDraw() {
b.setupVertexArrays() nattr := b.state.prog.nattr
b.enableVertexArrays(nattr)
if nattr > 0 {
b.setupVertexArrays()
}
if p := b.state.prog; p != nil { if p := b.state.prog; p != nil {
p.updateUniforms() p.updateUniforms()
} }
@@ -469,7 +473,6 @@ func (p *gpuProgram) updateUniforms() {
func (b *Backend) BindProgram(prog backend.Program) { func (b *Backend) BindProgram(prog backend.Program) {
p := prog.(*gpuProgram) p := prog.(*gpuProgram)
b.useProgram(p) b.useProgram(p)
b.enableVertexArrays(p.nattr)
} }
func (p *gpuProgram) Release() { func (p *gpuProgram) Release() {