diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback')
2 files changed, 77 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/simultaneous_binding.html b/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/simultaneous_binding.html index 228b4ab5cf..11d1eaa829 100644 --- a/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/simultaneous_binding.html +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/simultaneous_binding.html @@ -304,6 +304,17 @@ for (let genericBindPointValue of genericBindPointValues) { gl.copyBufferSubData(gl.COPY_READ_BUFFER, gl.COPY_WRITE_BUFFER, 0, 0, 1); wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "copyBufferSubData with double bound buffer"); + debug("<hr/>Test that rejected operations do not change the bound buffer size"); + + gl.bindBuffer(gl.ARRAY_BUFFER, tfBuffer); + gl.bufferData(gl.ARRAY_BUFFER, 8, gl.STATIC_DRAW); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "bufferData with double bound buffer"); + + gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, null); + gl.bufferSubData(gl.ARRAY_BUFFER, 0, new Uint8Array(16)); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "bufferSubData should succeed"); + gl.bindBuffer(gl.ARRAY_BUFFER, null); + debug("<hr/>Test bufferData family with tf object unbound"); gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, null); diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/transform_feedback.html b/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/transform_feedback.html index 20256c6ace..16855453f0 100644 --- a/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/transform_feedback.html +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/transform_feedback/transform_feedback.html @@ -64,6 +64,8 @@ if (!gl) { runUnboundDeleteTest(); runBoundDeleteTest(); runOneOutputFeedbackTest(); + runUnchangedBufferBindingsTest(); + runNoOutputsTest(); // Must be the last test, since it's asynchronous and calls finishTest(). runTwoOutputFeedbackTest(); } @@ -638,6 +640,70 @@ function runContextLostOneOutputFeedbackTest() { finishTest(); } +function runUnchangedBufferBindingsTest() { + debug(""); + debug("Testing that buffer bindings cannot be changed while transform feedback is active"); + + program = wtu.setupTransformFeedbackProgram( + gl, [wtu.simpleVertexShader, wtu.simpleColorFragmentShader], ['gl_Position'], gl.INTERLEAVED_ATTRIBS); + + tf = gl.createTransformFeedback(); + gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, tf); + + buf = gl.createBuffer(); + gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, 0, buf); + + gl.beginTransformFeedback(gl.POINTS); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Transform feedback is active"); + + gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, 0, gl.createBuffer()); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Cannot change the bound buffer while transform feedback is active"); + shouldBe("gl.getIndexedParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING, 0)", "buf"); + + gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, 0, buf); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Cannot rebind the same buffer while transform feedback is active"); + + gl.bindBufferRange(gl.TRANSFORM_FEEDBACK_BUFFER, 0, gl.createBuffer(), 0, 64); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Cannot change the bound buffer while transform feedback is active"); + shouldBe("gl.getIndexedParameter(gl.TRANSFORM_FEEDBACK_BUFFER_BINDING, 0)", "buf"); + + gl.bindBufferRange(gl.TRANSFORM_FEEDBACK_BUFFER, 0, buf, 0, 64); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Cannot rebind the same buffer while transform feedback is active"); + + gl.endTransformFeedback(); + gl.deleteTransformFeedback(tf); + gl.deleteBuffer(buf); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No extra errors after the test"); +} + +function runNoOutputsTest() { + debug(""); + debug("Testing transform feedback with no varyings to record"); + + tf = gl.createTransformFeedback(); + gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, tf); + + buf = gl.createBuffer(); + gl.bindBufferBase(gl.TRANSFORM_FEEDBACK_BUFFER, 0, buf); + + for (const mode of ['SEPARATE_ATTRIBS', 'INTERLEAVED_ATTRIBS']) { + program = wtu.setupTransformFeedbackProgram( + gl, [wtu.simpleVertexShader, wtu.simpleColorFragmentShader], [], gl[mode]); + + debug(`Testing with ${mode}`); + gl.beginTransformFeedback(gl.POINTS); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "beginTransformFeedback: No varyings to record"); + gl.useProgram(null); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "useProgram: Transform feedback is not active"); + gl.endTransformFeedback(); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "endTransformFeedback: Transform feedback is not active"); + } + + gl.deleteTransformFeedback(tf); + gl.deleteBuffer(buf); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No extra errors after the test"); +} + debug(""); </script> |