LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance2/glsl3/unary-minus-operator-in-dynamic-loop.html - WebKit - Git at Google

 <!--

 /*
 ** Copyright (c) 2016 The Khronos Group Inc.
 **
 ** Permission is hereby granted, free of charge, to any person obtaining a
 ** copy of this software and/or associated documentation files (the
 ** "Materials"), to deal in the Materials without restriction, including
 ** without limitation the rights to use, copy, modify, merge, publish,
 ** distribute, sublicense, and/or sell copies of the Materials, and to
 ** permit persons to whom the Materials are furnished to do so, subject to
 ** the following conditions:
 **
 ** The above copyright notice and this permission notice shall be included
 ** in all copies or substantial portions of the Materials.
 **
 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 */

 -->

 <!DOCTYPE html>
 <html>

 <head>
 <meta charset="utf-8">
 <title>Unary minus operator on int or uint variables in a dynamic loop in vertex shader should work</title>
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <script src="../../js/js-test-pre.js"></script>
 <script src="../../js/webgl-test-utils.js"></script>
 </head>

 <body>
 <canvas id="canvas" style="border: none;" width="1024" height="128"></canvas>
 <div id="description"></div>
 <div id="console"></div>

 <script id="shader-vs-int" type="x-shader/x-vertex">#version 300 es
 in highp vec4 pos;

 uniform int u_one;
 uniform int u_two;
 uniform int u_three;

 out mediump vec4 v_color;
 void main() {
   int array[3];
   array[0] = u_one; // array[0] should be 1
   array[1] = -u_two; // array[1] should be -2
   array[2] = u_three; // array[2] should be 3
   int result = 0;
   for (int i = 0; i < u_three; i++) {
     result += array[i];
   }
   v_color = (result == 2) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
   gl_Position = pos;
 }
 </script>

 <script id="shader-vs-uint" type="x-shader/x-vertex">#version 300 es
 in highp vec4 pos;

 uniform uint u_one;
 uniform uint u_two;
 uniform uint u_three;

 out mediump vec4 v_color;
 void main() {
   uint array[3];
   array[0] = u_one; // array[0] should be 1u
   array[1] = -u_two; // array[1] should be -2u
   array[2] = u_three; // array[2] should be 3u
   uint result = 0u;
   for (uint i = 0u; i < u_three; i++) {
     result += array[i];
   }
   v_color = (result == 2u) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
   gl_Position = pos;
 }
 </script>

 <script id="shader-vs-int-multiple-brackets" type="x-shader/x-vertex">#version 300 es
 in highp vec4 pos;

 uniform int u_one;
 uniform int u_two;
 uniform int u_three;

 out mediump vec4 v_color;
 void main() {
   int array[3];
   array[0] = u_one; // array[0] should be 1
   array[1] = -(-(-u_two + 1) + 1); // array[1] should be -2
   array[2] = u_three; // array[2] should be 3
   int result = 0;
   for (int i = 0; i < u_three; i++) {
     result += array[i];
   }
   v_color = (result == 2) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
   gl_Position = pos;
 }
 </script>

 <script id="shader-vs-uint-multiple-brackets" type="x-shader/x-vertex">#version 300 es
 in highp vec4 pos;

 uniform uint u_one;
 uniform uint u_two;
 uniform uint u_three;

 out mediump vec4 v_color;
 void main() {
   uint array[3];
   array[0] = u_one; // array[0] should be 1u
   array[1] = -(-(-u_two + 1u) + 1u); // array[1] should be -2u
   array[2] = u_three; // array[2] should be 3u
   uint result = 0u;
   for (uint i = 0u; i < u_three; i++) {
     result += array[i];
   }
   v_color = (result == 2u) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
   gl_Position = pos;
 }
 </script>

 <script id="shader-vs-int-implicit-unary-minus" type="x-shader/x-vertex">#version 300 es
 in highp vec4 pos;

 uniform int u_one;
 uniform int u_two;
 uniform int u_three;

 out mediump vec4 v_color;
 void main() {
   int array[3];
   array[0] = u_one; // array[0] should be 1
   array[1] = 1 - u_two;
   array[2] = u_three; // array[2] should be 3
   int result = 0;
   array[1] -= 1; // array[1] should be -u_two == -2
   for (int i = 0; i < u_three; i++) {
     result += array[i];
   }
   v_color = (result == 2) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
   gl_Position = pos;
 }
 </script>

 <script id="shader-vs-uint-implicit-unary-minus" type="x-shader/x-vertex">#version 300 es
 in highp vec4 pos;

 uniform uint u_one;
 uniform uint u_two;
 uniform uint u_three;

 out mediump vec4 v_color;
 void main() {
   uint array[3];
   array[0] = u_one; // array[0] should be 1u
   array[1] = 1u - u_two;
   array[2] = u_three; // array[2] should be 3u
   uint result = 0u;
   array[1] -= 1u; // array[1] should be -u_two == -2u
   for (uint i = 0u; i < u_three; i++) {
     result += array[i];
   }
   v_color = (result == 2u) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
   gl_Position = pos;
 }
 </script>

 <script id="shader-fs" type="x-shader/x-fragment">#version 300 es
 in mediump vec4 v_color;
 out mediump vec4 o_color;

 void main() {
   o_color = v_color;
 }
 </script>

 <script>
 "use strict";

 function test() {
   description();
   debug("This test exposes an Intel driver bug on Windows.");
   debug("");

   var wtu = WebGLTestUtils;
   var gl = wtu.create3DContext("canvas", undefined, 2);
   if (!gl) {
     testFailed("WebGL 2 context does not exist");
     return;
   }

   var testNum = 0;
   var border = 10; // border between test squares for visibility
   var squareSize = 128;
   var expectedColor = [0, 255, 0, 255]; // green

   function subTest_int(message, VertexShader) {
     debug(message);
     var startX = (squareSize + border) * testNum;
     var program = wtu.setupProgram(
       gl, [VertexShader, "shader-fs"], ["pos"], null, true);
     gl.viewport(startX, 0, squareSize, squareSize);

     var one = gl.getUniformLocation(program, "u_one");
     var two = gl.getUniformLocation(program, "u_two");
     var three = gl.getUniformLocation(program, "u_three");
     gl.uniform1i(one, 1);
     gl.uniform1i(two, 2);
     gl.uniform1i(three, 3);

     wtu.drawUnitQuad(gl);
     wtu.checkCanvasRect(
       gl, startX, 0, squareSize, squareSize,
       expectedColor, "square should be green", 1);
     debug("");
     testNum++;
   }

   function subTest_uint(message, VertexShader) {
     debug(message);
     var startX = (squareSize + border) * testNum;
     var program = wtu.setupProgram(
       gl, [VertexShader, "shader-fs"], ["pos"], null, true);
     gl.viewport(startX, 0, squareSize, squareSize);

     var one = gl.getUniformLocation(program, "u_one");
     var two = gl.getUniformLocation(program, "u_two");
     var three = gl.getUniformLocation(program, "u_three");
     gl.uniform1ui(one, 1);
     gl.uniform1ui(two, 2);
     gl.uniform1ui(three, 3);

     wtu.drawUnitQuad(gl);
     wtu.checkCanvasRect(
       gl, startX, 0, squareSize, squareSize,
       expectedColor, "square should be green", 1);
     debug("");
     testNum++;
   }

   if (!gl) {
     testFailed("context does not exist");
   } else {
     wtu.setupUnitQuad(gl);
     subTest_int("Test unary minus operator on int.", "shader-vs-int");
     subTest_uint("Test unary minus operator on unsigned int.", "shader-vs-uint");
     subTest_int("Test unary minus operator on int with multiple brackets.", "shader-vs-int-multiple-brackets");
     subTest_uint("Test unary minus operator on unsigned int with multiple brackets.", "shader-vs-uint-multiple-brackets");
     subTest_int("Test implicit unary minus operator on int.", "shader-vs-int-implicit-unary-minus");
     subTest_uint("Test implicit unary minus operator on unsigned int.", "shader-vs-uint-implicit-unary-minus");
   }
 }

 test();
 var successfullyParsed = true;
 finishTest();
 </script>
 </body>
 </html>
	<!--

	/*
	** Copyright (c) 2016 The Khronos Group Inc.
	**
	** Permission is hereby granted, free of charge, to any person obtaining a
	** copy of this software and/or associated documentation files (the
	** "Materials"), to deal in the Materials without restriction, including
	** without limitation the rights to use, copy, modify, merge, publish,
	** distribute, sublicense, and/or sell copies of the Materials, and to
	** permit persons to whom the Materials are furnished to do so, subject to
	** the following conditions:
	**
	** The above copyright notice and this permission notice shall be included
	** in all copies or substantial portions of the Materials.
	**
	** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
	** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
	*/

	-->

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="utf-8">
	<title>Unary minus operator on int or uint variables in a dynamic loop in vertex shader should work</title>
	<link rel="stylesheet" href="../../resources/js-test-style.css"/>
	<script src="../../js/js-test-pre.js"></script>
	<script src="../../js/webgl-test-utils.js"></script>
	</head>

	<body>
	<canvas id="canvas" style="border: none;" width="1024" height="128"></canvas>
	<div id="description"></div>
	<div id="console"></div>

	<script id="shader-vs-int" type="x-shader/x-vertex">#version 300 es
	in highp vec4 pos;

	uniform int u_one;
	uniform int u_two;
	uniform int u_three;

	out mediump vec4 v_color;
	void main() {
	int array[3];
	array[0] = u_one; // array[0] should be 1
	array[1] = -u_two; // array[1] should be -2
	array[2] = u_three; // array[2] should be 3
	int result = 0;
	for (int i = 0; i < u_three; i++) {
	result += array[i];
	}
	v_color = (result == 2) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
	gl_Position = pos;
	}
	</script>

	<script id="shader-vs-uint" type="x-shader/x-vertex">#version 300 es
	in highp vec4 pos;

	uniform uint u_one;
	uniform uint u_two;
	uniform uint u_three;

	out mediump vec4 v_color;
	void main() {
	uint array[3];
	array[0] = u_one; // array[0] should be 1u
	array[1] = -u_two; // array[1] should be -2u
	array[2] = u_three; // array[2] should be 3u
	uint result = 0u;
	for (uint i = 0u; i < u_three; i++) {
	result += array[i];
	}
	v_color = (result == 2u) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
	gl_Position = pos;
	}
	</script>

	<script id="shader-vs-int-multiple-brackets" type="x-shader/x-vertex">#version 300 es
	in highp vec4 pos;

	uniform int u_one;
	uniform int u_two;
	uniform int u_three;

	out mediump vec4 v_color;
	void main() {
	int array[3];
	array[0] = u_one; // array[0] should be 1
	array[1] = -(-(-u_two + 1) + 1); // array[1] should be -2
	array[2] = u_three; // array[2] should be 3
	int result = 0;
	for (int i = 0; i < u_three; i++) {
	result += array[i];
	}
	v_color = (result == 2) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
	gl_Position = pos;
	}
	</script>

	<script id="shader-vs-uint-multiple-brackets" type="x-shader/x-vertex">#version 300 es
	in highp vec4 pos;

	uniform uint u_one;
	uniform uint u_two;
	uniform uint u_three;

	out mediump vec4 v_color;
	void main() {
	uint array[3];
	array[0] = u_one; // array[0] should be 1u
	array[1] = -(-(-u_two + 1u) + 1u); // array[1] should be -2u
	array[2] = u_three; // array[2] should be 3u
	uint result = 0u;
	for (uint i = 0u; i < u_three; i++) {
	result += array[i];
	}
	v_color = (result == 2u) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
	gl_Position = pos;
	}
	</script>

	<script id="shader-vs-int-implicit-unary-minus" type="x-shader/x-vertex">#version 300 es
	in highp vec4 pos;

	uniform int u_one;
	uniform int u_two;
	uniform int u_three;

	out mediump vec4 v_color;
	void main() {
	int array[3];
	array[0] = u_one; // array[0] should be 1
	array[1] = 1 - u_two;
	array[2] = u_three; // array[2] should be 3
	int result = 0;
	array[1] -= 1; // array[1] should be -u_two == -2
	for (int i = 0; i < u_three; i++) {
	result += array[i];
	}
	v_color = (result == 2) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
	gl_Position = pos;
	}
	</script>

	<script id="shader-vs-uint-implicit-unary-minus" type="x-shader/x-vertex">#version 300 es
	in highp vec4 pos;

	uniform uint u_one;
	uniform uint u_two;
	uniform uint u_three;

	out mediump vec4 v_color;
	void main() {
	uint array[3];
	array[0] = u_one; // array[0] should be 1u
	array[1] = 1u - u_two;
	array[2] = u_three; // array[2] should be 3u
	uint result = 0u;
	array[1] -= 1u; // array[1] should be -u_two == -2u
	for (uint i = 0u; i < u_three; i++) {
	result += array[i];
	}
	v_color = (result == 2u) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
	gl_Position = pos;
	}
	</script>

	<script id="shader-fs" type="x-shader/x-fragment">#version 300 es
	in mediump vec4 v_color;
	out mediump vec4 o_color;

	void main() {
	o_color = v_color;
	}
	</script>

	<script>
	"use strict";

	function test() {
	description();
	debug("This test exposes an Intel driver bug on Windows.");
	debug("");

	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext("canvas", undefined, 2);
	if (!gl) {
	testFailed("WebGL 2 context does not exist");
	return;
	}

	var testNum = 0;
	var border = 10; // border between test squares for visibility
	var squareSize = 128;
	var expectedColor = [0, 255, 0, 255]; // green

	function subTest_int(message, VertexShader) {
	debug(message);
	var startX = (squareSize + border) * testNum;
	var program = wtu.setupProgram(
	gl, [VertexShader, "shader-fs"], ["pos"], null, true);
	gl.viewport(startX, 0, squareSize, squareSize);

	var one = gl.getUniformLocation(program, "u_one");
	var two = gl.getUniformLocation(program, "u_two");
	var three = gl.getUniformLocation(program, "u_three");
	gl.uniform1i(one, 1);
	gl.uniform1i(two, 2);
	gl.uniform1i(three, 3);

	wtu.drawUnitQuad(gl);
	wtu.checkCanvasRect(
	gl, startX, 0, squareSize, squareSize,
	expectedColor, "square should be green", 1);
	debug("");
	testNum++;
	}

	function subTest_uint(message, VertexShader) {
	debug(message);
	var startX = (squareSize + border) * testNum;
	var program = wtu.setupProgram(
	gl, [VertexShader, "shader-fs"], ["pos"], null, true);
	gl.viewport(startX, 0, squareSize, squareSize);

	var one = gl.getUniformLocation(program, "u_one");
	var two = gl.getUniformLocation(program, "u_two");
	var three = gl.getUniformLocation(program, "u_three");
	gl.uniform1ui(one, 1);
	gl.uniform1ui(two, 2);
	gl.uniform1ui(three, 3);

	wtu.drawUnitQuad(gl);
	wtu.checkCanvasRect(
	gl, startX, 0, squareSize, squareSize,
	expectedColor, "square should be green", 1);
	debug("");
	testNum++;
	}

	if (!gl) {
	testFailed("context does not exist");
	} else {
	wtu.setupUnitQuad(gl);
	subTest_int("Test unary minus operator on int.", "shader-vs-int");
	subTest_uint("Test unary minus operator on unsigned int.", "shader-vs-uint");
	subTest_int("Test unary minus operator on int with multiple brackets.", "shader-vs-int-multiple-brackets");
	subTest_uint("Test unary minus operator on unsigned int with multiple brackets.", "shader-vs-uint-multiple-brackets");
	subTest_int("Test implicit unary minus operator on int.", "shader-vs-int-implicit-unary-minus");
	subTest_uint("Test implicit unary minus operator on unsigned int.", "shader-vs-uint-implicit-unary-minus");
	}
	}

	test();
	var successfullyParsed = true;
	finishTest();
	</script>
	</body>
	</html>