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Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
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<script type="application/javascript" src="../unit.js"></script>
<script type="application/javascript" src="../util.js"></script>
<script type="application/javascript">
Tests.startUnit = function () {
var canvas = document.getElementById('gl');
var gl = wrapGLContext(getGLContext(canvas));
return [gl];
}
Tests.setup = function(gl) {
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
return [gl]
}
Tests.teardown = function(gl,tex) {
gl.bindTexture(gl.TEXTURE_2D, null);
gl.deleteTexture(tex);
}
Tests.testTexImage2D = function(gl) {
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2,2,0,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]));
assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, 2,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, 1,2,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLError(gl, gl.INVALID_ENUM, "bad target", function(){
gl.texSubImage2D(gl.FLOAT, 0, 0,0, 1,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLError(gl, gl.INVALID_VALUE, "width out of range", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, 3,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]));
});
assertGLError(gl, gl.INVALID_VALUE, "height out of range", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, 1,3,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]));
});
assertGLError(gl, gl.INVALID_VALUE, "dimension out of range", function(){
gl.texSubImage2D(gl.TEXTURE_2D,0, 1,1, 2,1, gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]));
});
assertGLError(gl, gl.INVALID_VALUE, "dimension out of range", function(){
gl.texSubImage2D(gl.TEXTURE_2D,0, 1,1, 1,2, gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]));
});
assertOk("zero size", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, 0,0,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertSomeGLError(gl, "negative width", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, -1,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertSomeGLError(gl, "negative height", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, 1,-1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLError(gl, gl.INVALID_VALUE, "negative x", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,-1,1,1,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLError(gl, gl.INVALID_VALUE, "negative y", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0,1,-1,1,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLErrorIn(gl, [gl.INVALID_OPERATION, gl.INVALID_ENUM], "bad format", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, 1,1,gl.FLOAT,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]));
});
assertGLErrorIn(gl, [gl.INVALID_OPERATION, gl.INVALID_ENUM], "bad type", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, 1,1,gl.RGBA,gl.TEXTURE_2D, new Uint8Array([0,0,0,0]));
});
assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, 1,1,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0]));
});
assertGLError(gl, gl.INVALID_OPERATION, "format does not match internal format", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, 1,1,gl.RGB,gl.UNSIGNED_BYTE, new Uint8Array([0,0,0]));
});
assertGLError(gl, gl.INVALID_OPERATION, "type does not match original", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, 1,1,gl.RGBA,gl.UNSIGNED_SHORT_4_4_4_4, new Uint16Array([0]));
});
assertThrows(gl, true, "too few args", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE);
});
assertThrows(gl, false, "too many args", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array([0,0,0,0]), null);
});
assertThrows(gl, true, "bad TexSourceType", function(){
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, window);
});
assertThrows(gl, true, "fake TexSourceType", function(){
var fakeObj = {
get width() { throw 7 },
get height() { throw 7 },
data: new Uint8ClampedArray(10)
};
gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, fakeObj);
});
}
Tests.endUnit = function(gl) {
}
</script>
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<canvas id="gl" width="16" height="16"></canvas>
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