LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance2/rendering/fs-color-type-mismatch-color-buffer-type.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>The Color Types of Fragment Shader's Outputs Should Match The Data Types of Color Buffers</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="example" width="8" height="8"></canvas>
 <div id="description"></div>
 <div id="console"></div>

 <script id="vshader" type="x-shader/x-vertex">#version 300 es
 in highp vec4 aPosition;
 void main() {
     gl_Position = aPosition;
 }
 </script>

 <script id="fshader" type="x-shader/x-fragment">#version 300 es
 precision mediump float;
 out vec4 oColor;
 void main() {
     oColor = vec4(1.0, 0.0, 0.0, 0.0);
 }
 </script>

 <script id="fshaderMRT" type="x-shader/x-fragment">#version 300 es
 precision mediump float;
 out vec4 oColor[2];
 void main() {
     oColor[0] = vec4(1.0, 0.0, 0.0, 0.0);
 }
 </script>

 <script id="fshaderRealMRT" type="x-shader/x-fragment">#version 300 es
 precision mediump float;
 out vec4 oColor[2];
 void main() {
     oColor[0] = vec4(1.0, 0.0, 0.0, 0.0);
     oColor[1] = vec4(0.0, 1.0, 0.0, 0.0);
 }
 </script>

 <script>
 "use strict";

 var wtu = WebGLTestUtils;
 description("This test verifies that the color types of fragment shader's outputs should match color buffers' types.");

 var gl = wtu.create3DContext("example", undefined, 2);

 var width = 8;
 var height = 8;
 var tex0;
 var tex1;
 var rb0;
 var rb1;
 var fbo = gl.createFramebuffer();
 var program0;
 var program1;
 var program2;

 if (!gl) {
     testFailed("WebGL context does not exist");
 } else {
     testPassed("WebGL context exists");

     init();

     // COLOR_ATTACHMENT0 is fixed-point data, which can be converted to float.
     // COLOR_ATTACHMENT1 is integer data. The fragment outputs are all float.
     allocate_textures();
     check_type_match();
     allocate_renderbuffers();
     check_type_match();
 }

 function check_type_match() {
     gl.useProgram(program0);
     rendering([gl.COLOR_ATTACHMENT0, gl.NONE], gl.NO_ERROR);
     rendering([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1], gl.NO_ERROR);

     gl.useProgram(program1);
     rendering([gl.COLOR_ATTACHMENT0, gl.NONE], gl.NO_ERROR);
     rendering([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1], gl.INVALID_OPERATION);

     gl.useProgram(program2);
     rendering([gl.COLOR_ATTACHMENT0, gl.NONE], gl.NO_ERROR);
     rendering([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1], gl.INVALID_OPERATION);
 }

 function init() {
     program0 = wtu.setupProgram(gl, ['vshader', 'fshader'], ['aPosition'], [0]);
     program1 = wtu.setupProgram(gl, ['vshader', 'fshaderMRT'], ['aPosition'], [0]);
     program2 = wtu.setupProgram(gl, ['vshader', 'fshaderRealMRT'], ['aPosition'], [0]);
     if (!program0 || !program1 || !program2) {
         testFailed("Failed to set up program");
         return;
     }
     testPassed("Succeed to set up program");

     wtu.setupUnitQuad(gl, 0, 1);
     gl.viewport(0, 0, width, height);
 }

 function allocate_textures() {
     tex0 = gl.createTexture();
     tex1 = gl.createTexture();
     wtu.fillTexture(gl, tex0, width, height, [0xff, 0x0, 0x0, 0xff], 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.RGBA);
     wtu.fillTexture(gl, tex1, width, height, [0x0, 0xff, 0x0, 0xff], 0, gl.RGBA_INTEGER, gl.UNSIGNED_BYTE, gl.RGBA8UI);

     gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
     gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex0, 0);
     gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT1, gl.TEXTURE_2D, tex1, 0);
 }

 function allocate_renderbuffers() {
     rb0 = gl.createRenderbuffer();
     gl.bindRenderbuffer(gl.RENDERBUFFER, rb0);
     gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA8, width, height);
     rb1 = gl.createRenderbuffer();
     gl.bindRenderbuffer(gl.RENDERBUFFER, rb1);
     gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA8UI, width, height);

     gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
     gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb0);
     gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT1, gl.RENDERBUFFER, rb1);
 }

 function rendering(draw_buffers, error) {
     gl.drawBuffers(draw_buffers);

     if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
         testFailed("Framebuffer incomplete.");
         return;
     }

     wtu.drawUnitQuad(gl);
     wtu.glErrorShouldBe(gl, error, "If color buffers' type mismatch the type of fragment shader's outputs, geneate INVALID_OPERATION. Otherwise, it should be NO_ERROR");
 }

 gl.bindTexture(gl.TEXTURE_2D, null);
 gl.bindRenderbuffer(gl.RENDERBUFFER, null);
 gl.bindFramebuffer(gl.FRAMEBUFFER, null);
 gl.useProgram(null);
 gl.deleteTexture(tex0);
 gl.deleteTexture(tex1);
 gl.deleteRenderbuffer(rb0);
 gl.deleteRenderbuffer(rb1);
 gl.deleteFramebuffer(fbo);
 gl.deleteProgram(program0);
 gl.deleteProgram(program1);
 gl.deleteProgram(program2);

 var successfullyParsed = true;
 </script>
 <script src="../../js/js-test-post.js"></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>The Color Types of Fragment Shader's Outputs Should Match The Data Types of Color Buffers</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="example" width="8" height="8"></canvas>
	<div id="description"></div>
	<div id="console"></div>

	<script id="vshader" type="x-shader/x-vertex">#version 300 es
	in highp vec4 aPosition;
	void main() {
	gl_Position = aPosition;
	}
	</script>

	<script id="fshader" type="x-shader/x-fragment">#version 300 es
	precision mediump float;
	out vec4 oColor;
	void main() {
	oColor = vec4(1.0, 0.0, 0.0, 0.0);
	}
	</script>

	<script id="fshaderMRT" type="x-shader/x-fragment">#version 300 es
	precision mediump float;
	out vec4 oColor[2];
	void main() {
	oColor[0] = vec4(1.0, 0.0, 0.0, 0.0);
	}
	</script>

	<script id="fshaderRealMRT" type="x-shader/x-fragment">#version 300 es
	precision mediump float;
	out vec4 oColor[2];
	void main() {
	oColor[0] = vec4(1.0, 0.0, 0.0, 0.0);
	oColor[1] = vec4(0.0, 1.0, 0.0, 0.0);
	}
	</script>

	<script>
	"use strict";

	var wtu = WebGLTestUtils;
	description("This test verifies that the color types of fragment shader's outputs should match color buffers' types.");

	var gl = wtu.create3DContext("example", undefined, 2);

	var width = 8;
	var height = 8;
	var tex0;
	var tex1;
	var rb0;
	var rb1;
	var fbo = gl.createFramebuffer();
	var program0;
	var program1;
	var program2;

	if (!gl) {
	testFailed("WebGL context does not exist");
	} else {
	testPassed("WebGL context exists");

	init();

	// COLOR_ATTACHMENT0 is fixed-point data, which can be converted to float.
	// COLOR_ATTACHMENT1 is integer data. The fragment outputs are all float.
	allocate_textures();
	check_type_match();
	allocate_renderbuffers();
	check_type_match();
	}

	function check_type_match() {
	gl.useProgram(program0);
	rendering([gl.COLOR_ATTACHMENT0, gl.NONE], gl.NO_ERROR);
	rendering([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1], gl.NO_ERROR);

	gl.useProgram(program1);
	rendering([gl.COLOR_ATTACHMENT0, gl.NONE], gl.NO_ERROR);
	rendering([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1], gl.INVALID_OPERATION);

	gl.useProgram(program2);
	rendering([gl.COLOR_ATTACHMENT0, gl.NONE], gl.NO_ERROR);
	rendering([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1], gl.INVALID_OPERATION);
	}

	function init() {
	program0 = wtu.setupProgram(gl, ['vshader', 'fshader'], ['aPosition'], [0]);
	program1 = wtu.setupProgram(gl, ['vshader', 'fshaderMRT'], ['aPosition'], [0]);
	program2 = wtu.setupProgram(gl, ['vshader', 'fshaderRealMRT'], ['aPosition'], [0]);
	if (!program0 \|\| !program1 \|\| !program2) {
	testFailed("Failed to set up program");
	return;
	}
	testPassed("Succeed to set up program");

	wtu.setupUnitQuad(gl, 0, 1);
	gl.viewport(0, 0, width, height);
	}

	function allocate_textures() {
	tex0 = gl.createTexture();
	tex1 = gl.createTexture();
	wtu.fillTexture(gl, tex0, width, height, [0xff, 0x0, 0x0, 0xff], 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.RGBA);
	wtu.fillTexture(gl, tex1, width, height, [0x0, 0xff, 0x0, 0xff], 0, gl.RGBA_INTEGER, gl.UNSIGNED_BYTE, gl.RGBA8UI);

	gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
	gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex0, 0);
	gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT1, gl.TEXTURE_2D, tex1, 0);
	}

	function allocate_renderbuffers() {
	rb0 = gl.createRenderbuffer();
	gl.bindRenderbuffer(gl.RENDERBUFFER, rb0);
	gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA8, width, height);
	rb1 = gl.createRenderbuffer();
	gl.bindRenderbuffer(gl.RENDERBUFFER, rb1);
	gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA8UI, width, height);

	gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
	gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb0);
	gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT1, gl.RENDERBUFFER, rb1);
	}

	function rendering(draw_buffers, error) {
	gl.drawBuffers(draw_buffers);

	if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
	testFailed("Framebuffer incomplete.");
	return;
	}

	wtu.drawUnitQuad(gl);
	wtu.glErrorShouldBe(gl, error, "If color buffers' type mismatch the type of fragment shader's outputs, geneate INVALID_OPERATION. Otherwise, it should be NO_ERROR");
	}

	gl.bindTexture(gl.TEXTURE_2D, null);
	gl.bindRenderbuffer(gl.RENDERBUFFER, null);
	gl.bindFramebuffer(gl.FRAMEBUFFER, null);
	gl.useProgram(null);
	gl.deleteTexture(tex0);
	gl.deleteTexture(tex1);
	gl.deleteRenderbuffer(rb0);
	gl.deleteRenderbuffer(rb1);
	gl.deleteFramebuffer(fbo);
	gl.deleteProgram(program0);
	gl.deleteProgram(program1);
	gl.deleteProgram(program2);

	var successfullyParsed = true;
	</script>
	<script src="../../js/js-test-post.js"></script>

	</body>
	</html>