57 lines
1.8 KiB
HTML
57 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>WebGL texImage2D from WebGL conformance test.</title>
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<script src="../../../resources/js-test.js"></script>
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<script src="resources/webgl-test.js"> </script>
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<script src="resources/webgl-test-utils.js"> </script>
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</head>
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<body>
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<canvas id="example" width="256" height="16" style="width: 256px; height: 48px;"></canvas>
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<canvas id="source" width="256" height="16" style="width: 256px; height: 48px;"></canvas>
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<div id="description"></div>
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<div id="console"></div>
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<script>
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description("Test texImage2D from a webgl canvas.");
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var wtu = WebGLTestUtils;
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var gl = wtu.create3DContext("example");
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gl.disable(gl.DITHER);
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var program = wtu.setupTexturedQuad(gl);
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var gl1 = wtu.create3DContext("source");
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gl1.disable(gl.DITHER);
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glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
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glErrorShouldBe(gl1, gl1.NO_ERROR, "Should be no errors from setup.");
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gl.disable(gl.BLEND);
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gl.disable(gl.DEPTH_TEST);
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gl1.clearColor(1.0, 0.0, 0.0, 1.0);
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gl1.clear(gl1.COLOR_BUFFER_BIT);
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var tex = gl.createTexture();
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gl.bindTexture(gl.TEXTURE_2D, tex);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, gl1.canvas);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
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wtu.drawQuad(gl);
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wtu.checkCanvas(gl, [255, 0, 0, 255], "Canvas should be red");
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gl1.clearColor(0.0, 1.0, 0.0, 1.0);
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gl1.clear(gl1.COLOR_BUFFER_BIT);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, gl1.canvas);
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wtu.drawQuad(gl);
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wtu.checkCanvas(gl, [0, 255, 0, 255], "Canvas should be green");
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debug("");
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</script>
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</body>
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</html>
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