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Add readBuffer coverage for invalid enums below COLOR_ATTACHMENT0 #3771

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Merged
kainino0x merged 2 commits into from
Apr 17, 2026
Merged

Add readBuffer coverage for invalid enums below COLOR_ATTACHMENT0 #3771

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Add readBuffer coverage for invalid enums below COLOR_ATTACHMENT0
blackfrog638 Apr 16, 2026
879bd1f
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kainino0x Apr 17, 2026
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4 changes: 4 additions & 0 deletions sdk/tests/conformance2/renderbuffers/readbuffer.html
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,10 @@
gl.readBuffer(gl.COLOR_ATTACHMENT0);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling readBuffer with GL_COLOR_ATTACHMENT0 on fbo should succeed.");
gl.readBuffer(gl.COLOR_ATTACHMENT0 - 1);
wtu.glErrorShouldBe(gl, gl.INVALID_ENUM,
"calling readBuffer with an enum below GL_COLOR_ATTACHMENT0 on fbo should generate INVALID_ENUM.");
shouldBe('gl.getParameter(gl.READ_BUFFER)', 'gl.COLOR_ATTACHMENT0');

var maxColorAttachments = gl.getParameter(gl.MAX_COLOR_ATTACHMENTS);
gl.readBuffer(gl.COLOR_ATTACHMENT0 + maxColorAttachments);
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