Index: conformance/more/functions/copyTexSubImage2D.html |
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--- conformance/more/functions/copyTexSubImage2D.html (revision 0) |
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+<!DOCTYPE html> |
+<html> |
+<head> |
+<meta charset="utf-8"> |
+<!-- |
+ |
+/* |
+** Copyright (c) 2012 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. |
+*/ |
+ |
+--> |
+<link rel="stylesheet" type="text/css" href="../unit.css" /> |
+<script type="application/x-javascript" src="../unit.js"></script> |
+<script type="application/x-javascript" src="../util.js"></script> |
+<script type="application/x-javascript"> |
+ |
+Tests.startUnit = function () { |
+ var canvas = document.getElementById('gl'); |
+ var gl = wrapGLContext(getGLContext(canvas)); |
+ return [gl]; |
+} |
+ |
+Tests.setup = function(gl) { |
+ var tex = gl.createTexture(); |
+ gl.bindTexture(gl.TEXTURE_2D, tex); |
+ var texCubeMap = gl.createTexture(); |
+ gl.bindTexture(gl.TEXTURE_CUBE_MAP, texCubeMap); |
+ return [gl] |
+} |
+ |
+Tests.teardown = function(gl,tex,texCubeMap) { |
+ gl.bindTexture(gl.TEXTURE_2D, null); |
+ gl.bindTexture(gl.TEXTURE_CUBE_MAP, null); |
+ gl.deleteTexture(tex); |
+ gl.deleteTexture(texCubeMap); |
+} |
+ |
+ |
+Tests.testTexImage2D = function(gl) { |
+ gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0,0,16,16,0); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0,1,1); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0,2,1); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0,1,2); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0,16,16); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 15,15,1,1); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 1,1, 0,0,15,15); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 15,15, 0,0,1,1); |
+ var valid_targets = [ |
+ gl.TEXTURE_2D, |
+ gl.TEXTURE_CUBE_MAP_POSITIVE_X, |
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_X, |
+ gl.TEXTURE_CUBE_MAP_POSITIVE_Y, |
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, |
+ gl.TEXTURE_CUBE_MAP_POSITIVE_Z, |
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_Z |
+ ]; |
+ valid_targets.forEach(function(t) { |
+ assertOk(function(){ |
+ gl.copyTexImage2D(t, 0, gl.RGBA, 0,0,1,1,0); |
+ gl.copyTexSubImage2D(t, 0, 0,0,0,0,1,1); |
+ }); |
+ }); |
+} |
+Tests.testRoundtrip = function(gl) { |
+ var sh = new Filter(gl, 'identity-flip-vert', 'identity-frag'); |
+ gl.clearColor(1.0, 0.0, 0.0, 1.0); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ var buf = new Uint8Array(4); |
+ gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, buf); |
+ assertEquals([255,0,0,255], [buf[0], buf[1], buf[2], buf[3]]); |
+ // red texture |
+ gl.clearColor(0.0, 0.0, 0.0, 0.0); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, document.getElementById('gl')); |
+ gl.clearColor(1.0, 0.0, 0.0, 1.0); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0,0,0,16,16); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); |
+ gl.clearColor(0.0, 0.0, 1.0, 1.0); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ // blue framebuffer |
+ gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, buf); |
+ assertEquals([0,0,255,255], [buf[0], buf[1], buf[2], buf[3]]); |
+ sh.apply(); // paint with texture |
+ gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, buf); |
+ assertEquals([255,0,0,255], [buf[0], buf[1], buf[2], buf[3]]); |
+ sh.destroy(); |
+} |
+ |
+Tests.endUnit = function(gl) { |
+} |
+ |
+</script> |
+<script id="identity-flip-vert" type="x-shader/x-vertex"> |
+attribute vec3 Vertex; |
+attribute vec2 Tex; |
+ |
+varying vec4 texCoord0; |
+void main() |
+{ |
+ texCoord0 = vec4(Tex.s, 1.0-Tex.t, 0.0, 0.0); |
+ gl_Position = vec4(Vertex, 1.0); |
+} |
+</script> |
+<script id="identity-frag" type="x-shader/x-fragment"> |
+precision mediump float; |
+ |
+uniform sampler2D Texture; |
+ |
+varying vec4 texCoord0; |
+void main() |
+{ |
+ vec4 c = texture2D(Texture, texCoord0.st); |
+ gl_FragColor = c; |
+} |
+</script> |
+<style>canvas{ position:absolute; }</style> |
+</head><body> |
+<canvas id="gl" width="16" height="16"></canvas> |
+</body></html> |
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