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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/rendering/point-specific-shader-variables.html')
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1 files changed, 185 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/rendering/point-specific-shader-variables.html b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/point-specific-shader-variables.html new file mode 100644 index 000000000..06e686acd --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/point-specific-shader-variables.html @@ -0,0 +1,185 @@ +<!-- +/* +** 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>Point-specific shader variables test</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="c" width="64" height="64"></canvas> +<div id="description"></div> +<div id="console"></div> + +<script id="vs-assign" type="x-shader/x-vertex"> +attribute vec2 aPosition; + +varying vec2 vPos; + +void main() +{ + gl_Position = vec4(aPosition, 0, 1); + vPos = aPosition; + + gl_PointSize = 1.0; +} +</script> + +<script id="vs-conditional" type="x-shader/x-vertex"> +uniform float renderingPoints; // not assigned, equal to 0.0 +attribute vec2 aPosition; + +varying vec2 vPos; + +void main() +{ + gl_Position = vec4(aPosition, 0, 1); + vPos = aPosition; + + if (renderingPoints > 0.0) { + gl_PointSize = 1.0; + } +} +</script> + +<script id="fs-overwrite" type="x-shader/x-fragment"> +varying mediump vec2 vPos; + +void main() +{ + gl_FragColor = vec4(gl_PointCoord.xy, 0, 1); + gl_FragColor = vec4(vPos * -2.0, 0, 1); +} +</script> + +<script id="fs-unused-branch" type="x-shader/x-fragment"> +varying mediump vec2 vPos; +uniform mediump float uDefaultsToZero; + +void main() +{ + gl_FragColor = vec4(vPos * -2.0, 0, 1); + if (uDefaultsToZero == 1.0) { + gl_FragColor = vec4(gl_PointCoord.xy, 0, 1); + } +} +</script> + +<script> +"use strict"; +description(document.title); + +debug('This test verifies rendering with programs referencing shader variables specific to rendering of POINTS primitives.'); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("c", {depth: false}); + +var prog_overwrite = wtu.setupProgram(gl, ["vs-assign", "fs-overwrite"], ["aPosition"]); +var prog_branch = wtu.setupProgram(gl, ["vs-assign", "fs-unused-branch"], ["aPosition"]); +var prog_cond_overwrite = wtu.setupProgram(gl, ["vs-conditional", "fs-overwrite"], ["aPosition"]); +var prog_cond_branch = wtu.setupProgram(gl, ["vs-conditional", "fs-unused-branch"], ["aPosition"]); + +var vertData = new Float32Array([ + -1, -1, + +1, -1, + -1, +1, +]); + +var vertexObject = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); +gl.bufferData(gl.ARRAY_BUFFER, vertData, gl.STATIC_DRAW); + +gl.enableVertexAttribArray(0); +gl.vertexAttribPointer(0, 2, gl.FLOAT, false, 0, 0); + +////////// + +debug(""); +debug("prog-overwrite"); + +gl.clear(gl.COLOR_BUFFER_BIT); +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0, 0, 0, 0]); // Bottom-left + +gl.useProgram(prog_overwrite); +gl.drawArrays(gl.TRIANGLES, 0, 3); + +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255, 255, 0, 255]); // Bottom-left +wtu.checkCanvasRect(gl, 63, 63, 1, 1, [0, 0, 0, 0]); // Top-right + + +////////// + +debug(""); +debug("prog-branch"); + +gl.clear(gl.COLOR_BUFFER_BIT); +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0, 0, 0, 0]); // Bottom-left + +gl.useProgram(prog_branch); +gl.drawArrays(gl.TRIANGLES, 0, 3); + +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255, 255, 0, 255]); // Bottom-left +wtu.checkCanvasRect(gl, 63, 63, 1, 1, [0, 0, 0, 0]); // Top-right + +////////// + +debug(""); +debug("prog-cond-overwrite"); + +gl.clear(gl.COLOR_BUFFER_BIT); +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0, 0, 0, 0]); // Bottom-left + +gl.useProgram(prog_cond_overwrite); +gl.drawArrays(gl.TRIANGLES, 0, 3); + +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255, 255, 0, 255]); // Bottom-left +wtu.checkCanvasRect(gl, 63, 63, 1, 1, [0, 0, 0, 0]); // Top-right + + +////////// + +debug(""); +debug("prog-cond-branch"); + +gl.clear(gl.COLOR_BUFFER_BIT); +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0, 0, 0, 0]); // Bottom-left + +gl.useProgram(prog_cond_branch); +gl.drawArrays(gl.TRIANGLES, 0, 3); + +wtu.checkCanvasRect(gl, 0, 0, 1, 1, [255, 255, 0, 255]); // Bottom-left +wtu.checkCanvasRect(gl, 63, 63, 1, 1, [0, 0, 0, 0]); // Top-right + +var successfullyParsed = true; +</script> + +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |