third_party/webgl/sdk/tests/conformance/glsl/misc/glsl-long-variable-names.html - Issue 9373009: Check in webgl conformance tests r16844 from khronos.

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Issue 9373009: Check in webgl conformance tests r16844 from khronos. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/

Patch Set: Created 8 years, 10 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <meta charset="utf-8">

	5 <title>glsl long variable name mapping tests</title>

	6 <link rel="stylesheet" href="../../../resources/js-test-style.css"/>

	7 <script src="../../../resources/js-test-pre.js"></script>

	8 <script src="../../resources/webgl-test.js"> </script>

	9 </head>

	10 <body>

	11 <canvas id="example" width="50" height="50">

	12 There is supposed to be an example drawing here, but it's not important.

	13 </canvas>

	14 <div id="description"></div>

	15 <div id="console"></div>

	16 <script id="vshader_shared_uniform" type="x-shader/x-vertex">

	17 attribute vec3 vPosition;

	18 uniform float value01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890;

	19 void main()

	20 {

	21 gl_Position = vec4(vPosition, value012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 3456789012345678901234567890123456789012345678901234567890);

	22 }

	23 </script>

	24

	25 <script id="fshader_shared_uniform" type="x-shader/x-fragment">

	26 precision mediump float;

	27 uniform float value01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890;

	28 void main()

	29 {

	30 gl_FragColor = vec4(1.0, 0.0, value012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 3456789012345678901234567890123456789012345678901234567890, 1.0);

	31 }

	32 </script>

	33

	34 <script id="vshader_uniform_array" type="x-shader/x-vertex">

	35 attribute vec3 vPosition;

	36 void main()

	37 {

	38 gl_Position = vec4(vPosition, 1.0);

	39 }

	40 </script>

	41

	42 <script id="fshader_uniform_array" type="x-shader/x-fragment">

	43 precision mediump float;

	44 uniform float color01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567[2];

	45 void main()

	46 {

	47 gl_FragColor = vec4(color0123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 345678901234567890123456789012345678901234567[0], color0123456789012345678901234 56789012345678901234567890123456789012345678901234567890123456789012345678901234 56789012345678901234567890123456789012345678901234567890123456789012345678901234 567890123456789012345678901234567890123456789012345678901234567[1], 1.0, 1.0);

	48 }

	49 </script>

	50

	51 <script id="vshader_varying" type="x-shader/x-vertex">

	52 attribute vec3 vPosition;

	53 varying float value01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890;

	54 void main()

	55 {

	56 value012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 3456789012345678901234567890 = 1.0;

	57 gl_Position = vec4(vPosition, 1.0);

	58 }

	59 </script>

	60

	61 <script id="fshader_varying" type="x-shader/x-fragment">

	62 precision mediump float;

	63 varying float value01234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890;

	64 void main()

	65 {

	66 gl_FragColor = vec4(value0123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 345678901234567890123456789012345678901234567890, 0.0, 1.0, 1.0);

	67 }

	68 </script>

	69

	70 <script id="vshader_local" type="x-shader/x-vertex">

	71 attribute vec3 vPosition;

	72 void main()

	73 {

	74 for (int i0123456789012345678901234567890123456789012345678901234567 89012345678901234567890123456789012345678901234567890123456789012345678901234567 89012345678901234567890123456789012345678901234567890123456789012345678901234567 8901234567890123456789012345678901234 = 0; i012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234 < 1; ++i012345678901 23456789012345678901234567890123456789012345678901234567890123456789012345678901 23456789012345678901234567890123456789012345678901234567890123456789012345678901 23456789012345678901234567890123456789012345678901234567890123456789012345678901 234)

	75 {

	76 gl_Position = vec4(vPosition, 1.0);

	77 }

	78 }

	79 </script>

	80

	81 <script id="fshader_local" type="x-shader/x-fragment">

	82 precision mediump float;

	83 void main()

	84 {

	85 for (int i0123456789012345678901234567890123456789012345678901234567 89012345678901234567890123456789012345678901234567890123456789012345678901234567 89012345678901234567890123456789012345678901234567890123456789012345678901234567 8901234567890123456789012345678901234 = 0; i012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234567890123456789012345 67890123456789012345678901234567890123456789012345678901234 < 1; ++i012345678901 23456789012345678901234567890123456789012345678901234567890123456789012345678901 23456789012345678901234567890123456789012345678901234567890123456789012345678901 23456789012345678901234567890123456789012345678901234567890123456789012345678901 234)

	86 {

	87 gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0);

	88 }

	89 }

	90 </script>

	91

	92 <script id="vshader_attrib" type="x-shader/x-vertex">

	93 attribute vec3 vPosition012345678901234567890123456789012345678901234567 89012345678901234567890123456789012345678901234567890123456789012345678901234567 89012345678901234567890123456789012345678901234567890123456789012345678901234567 890123456789012345678901234567890123456;

	94 void main()

	95 {

	96 gl_Position = vec4(vPosition0123456789012345678901234567890123456789 01234567890123456789012345678901234567890123456789012345678901234567890123456789 01234567890123456789012345678901234567890123456789012345678901234567890123456789 01234567890123456789012345678901234567890123456, 1.0);

	97 }

	98 </script>

	99

	100 <script id="fshader_attrib" type="x-shader/x-fragment">

	101 precision mediump float;

	102 void main()

	103 {

	104 gl_FragColor = vec4(1.0, 0.0, 1.0, 1.0);

	105 }

	106 </script>

	107

	108 <script>

	109 if (window.initNonKhronosFramework) {

	110 window.initNonKhronosFramework(false);

	111 }

	112

	113 description("Verify that shader long variable names works fine if they a re within 256 characters.");

	114

	115 debug("Test same long uniform name in both vertex shader and fragment sh ader");

	116 var gl = initWebGL("example", "vshader_shared_uniform", "fshader_shared_ uniform", [ "vPosition"], [ 0, 0, 0, 1 ], 1);

	117 shouldBeNonNull("gl");

	118 shouldBe("gl.getError()", "gl.NO_ERROR");

	119 var prog = gl.getParameter(gl.CURRENT_PROGRAM);

	120 shouldBeNonNull("prog");

	121 var valueLoc = gl.getUniformLocation(prog, "value01234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890");

	122 shouldBeNonNull("valueLoc");

	123 shouldBe("gl.getProgramParameter(prog, gl.ACTIVE_UNIFORMS)", "1");

	124 var activeUniform = gl.getActiveUniform(prog, 0);

	125 shouldBeNonNull("activeUniform");

	126 shouldBe("activeUniform.type", "gl.FLOAT");

	127 shouldBe("activeUniform.size", "1");

	128 shouldBe("activeUniform.name", "'value0123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 456789012345678901234567890123456789012345678901234567890'");

	129 gl.uniform1f(valueLoc, 1.0);

	130 drawAndCheckPixels(gl);

	131 shouldBe("gl.getError()", "gl.NO_ERROR");

	132 debug("");

	133

	134 debug("Test long uniform array name");

	135 var gl = initWebGL("example", "vshader_uniform_array", "fshader_uniform_ array", [ "vPosition"], [ 0, 0, 0, 1 ], 1);

	136 shouldBeNonNull("gl");

	137 shouldBe("gl.getError()", "gl.NO_ERROR");

	138 var prog = gl.getParameter(gl.CURRENT_PROGRAM);

	139 shouldBeNonNull("prog");

	140 var redLoc = gl.getUniformLocation(prog, "color0123456789012345678901234 56789012345678901234567890123456789012345678901234567890123456789012345678901234 56789012345678901234567890123456789012345678901234567890123456789012345678901234 567890123456789012345678901234567890123456789012345678901234567[0]");

	141 shouldBeNonNull("redLoc");

	142 var greenLoc = gl.getUniformLocation(prog, "color01234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789012345678901234567890123456789012345678901234567[1]");

	143 shouldBeNonNull("greenLoc");

	144 shouldBe("gl.getProgramParameter(prog, gl.ACTIVE_UNIFORMS)", "1");

	145 var activeUniform = gl.getActiveUniform(prog, 0);

	146 shouldBeNonNull("activeUniform");

	147 shouldBe("activeUniform.type", "gl.FLOAT");

	148 shouldBe("activeUniform.size", "2");

	149 shouldBe("activeUniform.name", "'color0123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 456789012345678901234567890123456789012345678901234567[0]'");

	150 gl.uniform1f(redLoc, 1.0);

	151 gl.uniform1f(greenLoc, 0.0);

	152 drawAndCheckPixels(gl);

	153 shouldBe("gl.getError()", "gl.NO_ERROR");

	154 debug("");

	155

	156 debug("Test long varying name");

	157 var gl = initWebGL("example", "vshader_varying", "fshader_varying", [ "v Position"], [ 0, 0, 0, 1 ], 1);

	158 shouldBeNonNull("gl");

	159 shouldBe("gl.getError()", "gl.NO_ERROR");

	160 var prog = gl.getParameter(gl.CURRENT_PROGRAM);

	161 shouldBeNonNull("prog");

	162 drawAndCheckPixels(gl);

	163 shouldBe("gl.getError()", "gl.NO_ERROR");

	164 debug("");

	165

	166 debug("Test long local variable name");

	167 var gl = initWebGL("example", "vshader_varying", "fshader_varying", [ "v Position"], [ 0, 0, 0, 1 ], 1);

	168 shouldBeNonNull("gl");

	169 shouldBe("gl.getError()", "gl.NO_ERROR");

	170 var prog = gl.getParameter(gl.CURRENT_PROGRAM);

	171 shouldBeNonNull("prog");

	172 drawAndCheckPixels(gl);

	173 shouldBe("gl.getError()", "gl.NO_ERROR");

	174 debug("");

	175

	176 debug("Test long attribute name");

	177 var gl = initWebGL("example", "vshader_attrib", "fshader_attrib", [ "vPo sition01234567890123456789012345678901234567890123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 45678901234567890123456789012345678901234567890123456789012345678901234567890123 4567890123456"], [ 0, 0, 0, 1 ], 1);

	178 shouldBeNonNull("gl");

	179 shouldBe("gl.getError()", "gl.NO_ERROR");

	180 var prog = gl.getParameter(gl.CURRENT_PROGRAM);

	181 shouldBeNonNull("prog");

	182 shouldBe("gl.getProgramParameter(prog, gl.ACTIVE_ATTRIBUTES)", "1");

	183 var activeAttrib = gl.getActiveAttrib(prog, 0);

	184 shouldBeNonNull("activeAttrib");

	185 shouldBe("activeAttrib.size", "1");

	186 shouldBe("activeAttrib.type", "gl.FLOAT_VEC3");

	187 shouldBe("activeAttrib.name", "'vPosition0123456789012345678901234567890 12345678901234567890123456789012345678901234567890123456789012345678901234567890 12345678901234567890123456789012345678901234567890123456789012345678901234567890 12345678901234567890123456789012345678901234567890123456'");

	188 drawAndCheckPixels(gl);

	189 shouldBe("gl.getError()", "gl.NO_ERROR");

	190 debug("");

	191

	192

	193 function fail(x, y, buf, shouldBe)

	194 {

	195 var i = (y50+x) 4;

	196 var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+b uf[i+2]+","+buf[i+3]+"), should be "+shouldBe;

	197 testFailed(reason);

	198 }

	199

	200 function pass()

	201 {

	202 testPassed("drawing is correct");

	203 }

	204

	205 function drawAndCheckPixels(gl)

	206 {

	207 var vertexObject = gl.createBuffer();

	208 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);

	209 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5 ,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);

	210 gl.enableVertexAttribArray(0);

	211 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);

	212

	213 gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);

	214 gl.drawArrays(gl.TRIANGLES, 0, 3);

	215

	216 var buf = new Uint8Array(50 * 50 * 4);

	217 gl.readPixels(0, 0, 50, 50, gl.RGBA, gl.UNSIGNED_BYTE, buf);

	218

	219 // Test several locations

	220 // First line should be all black

	221 for (var i = 0; i < 50; ++i)

	222 if (buf[i4] != 0 \|\| buf[i4+1] != 0 \|\| buf[i4+2] != 0 \|\| buf[i 4+3] != 255) {

	223 fail(i, 0, buf, "(0,0,0,255)");

	224 return;

	225 }

	226

	227 // Line 15 should be magenta for at least 10 pixels starting 20 pixe ls in

	228 var offset = (1550+20) 4;

	229 for (var i = 0; i < 10; ++i)

	230 if (buf[offset+i4] != 255 \|\| buf[offset+i4+1] != 0 \|\| buf[offs et+i4+2] != 255 \|\| buf[offset+i4+3] != 255) {

	231 fail(20 + i, 15, buf, "(255,0,255,255)");

	232 return;

	233 }

	234 // Last line should be all black

	235 offset = (4950) 4;

	236 for (var i = 0; i < 50; ++i)

	237 if (buf[offset+i4] != 0 \|\| buf[offset+i4+1] != 0 \|\| buf[offset +i4+2] != 0 \|\| buf[offset+i4+3] != 255) {

	238 fail(i, 49, buf, "(0,0,0,255)");

	239 return;

	240 }

	241

	242 pass();

	243 }

	244

	245 successfullyParsed = true;

	246 </script>

	247 <script src="../../../resources/js-test-post.js"></script>

	248 </body>

	249 </html>

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