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gpu/internal/opengl: avoid crash when uniform buffers are not supported

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Found by Dan Kortschak.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-08-21 16:06:45 +02:00
parent c9970cb8e3
commit 6ee8a1cb7c
1 changed files with 9 additions and 6 deletions
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gpu/internal/opengl/opengl.go
+9 -6
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@@ -1008,16 +1008,19 @@ func (b *Backend) BindFragmentUniforms(buf driver.Buffer) {
func (p *program) updateUniforms() {
f := p.backend.funcs
if p.backend.ubo {
if b := p.backend.vertUniforms; b != nil {
if b := p.backend.vertUniforms; b != nil {
if p.backend.ubo {
p.backend.glstate.bindBufferBase(f, gl.UNIFORM_BUFFER, 0, b.obj)
} else {
p.vertUniforms.update(f, b)
}
if b := p.backend.fragUniforms; b != nil {
}
if b := p.backend.fragUniforms; b != nil {
if p.backend.ubo {
p.backend.glstate.bindBufferBase(f, gl.UNIFORM_BUFFER, 1, b.obj)
} else {
p.fragUniforms.update(f, b)
}
} else {
p.vertUniforms.update(f, p.backend.vertUniforms)
p.fragUniforms.update(f, p.backend.fragUniforms)
}
}