diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/reading/read-pixels-test.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/reading/read-pixels-test.html | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/reading/read-pixels-test.html b/dom/canvas/test/webgl-conf/checkout/conformance/reading/read-pixels-test.html index 078b436427..3791be2448 100644 --- a/dom/canvas/test/webgl-conf/checkout/conformance/reading/read-pixels-test.html +++ b/dom/canvas/test/webgl-conf/checkout/conformance/reading/read-pixels-test.html @@ -39,6 +39,43 @@ function runTest(canvas, antialias) { gl = wtu.create3DContext(canvas, {antialias: antialias}); var contextVersion = wtu.getDefault3DContextVersion(); + debug(""); + debug("Test null pixels"); + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "null pixels"); + + debug(""); + debug("Test pixels size"); + gl.readPixels(0, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(0)); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "empty pixels array with 0x0 read data"); + gl.readPixels(0, 0, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(0)); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "empty pixels array with 1x0 read data"); + gl.readPixels(0, 0, 0, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(0)); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "empty pixels array with 0x1 read data"); + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(3)); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "small pixels array for 1x1 read data"); + if (contextVersion >= 2) { + gl.readPixels(0, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(0), 1); + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "offset is greater than array size"); + gl.readPixels(0, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(1), 1); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no space left in pixels array with 0x0 read data"); + gl.readPixels(0, 0, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(1), 1); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no space left in pixels array with 1x0 read data"); + gl.readPixels(0, 0, 0, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(1), 1); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no space left in pixels array with 0x1 read data"); + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(4), 1); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "no space left in pixels array with 1x1 read data"); + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array(5), 1); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "read 1x1 data fits into pixels with offset"); + } + + debug(""); + debug("Test combined depth-stencil type"); + // The combined type is undefined in WebGL 1.0 and never allowed as a read type in WebGL 2.0 + gl.readPixels(0, 0, 1, 1, gl.RGBA, 0x8DAD /* FLOAT_32_UNSIGNED_INT_24_8_REV */, new Uint8Array(32)); + wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "FLOAT_32_UNSIGNED_INT_24_8_REV is rejected"); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no extra error generated"); + var width = 2; var height = 2; var continueTestFunc = continueTestPart1; |