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gpu/gl: add detail to the float FBO error message

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Updates gio#49

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2020-02-11 15:36:47 +01:00
parent f38dbfca54
commit 6945a9062b
1 changed files with 5 additions and 2 deletions
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gpu/gl/backend.go
+5 -2
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@@ -473,15 +473,18 @@ func floatTripleFor(f Functions, ver [2]int, exts []string) (textureTriple, erro
defFBO := Framebuffer(f.GetBinding(FRAMEBUFFER_BINDING))
f.BindFramebuffer(FRAMEBUFFER, fbo)
defer f.BindFramebuffer(FRAMEBUFFER, defFBO)
var attempts []string
for _, tt := range triples {
const size = 256
f.TexImage2D(TEXTURE_2D, 0, tt.internalFormat, size, size, tt.format, tt.typ, nil)
f.FramebufferTexture2D(FRAMEBUFFER, COLOR_ATTACHMENT0, TEXTURE_2D, tex, 0)
if st := f.CheckFramebufferStatus(FRAMEBUFFER); st == FRAMEBUFFER_COMPLETE {
st := f.CheckFramebufferStatus(FRAMEBUFFER)
if st == FRAMEBUFFER_COMPLETE {
return tt, nil
}
attempts = append(attempts, fmt.Sprintf("(0x%x, 0x%x, 0x%x): 0x%x", tt.internalFormat, tt.format, tt.typ, st))
}
return textureTriple{}, errors.New("floating point fbos not supported")
return textureTriple{}, fmt.Errorf("floating point fbos not supported (attempted %s)", attempts)
}
func srgbaTripleFor(ver [2]int, exts []string) (textureTriple, error) {