Index: conformance/resources/tex-image-and-sub-image-2d-with-image.js |
=================================================================== |
--- conformance/resources/tex-image-and-sub-image-2d-with-image.js (revision 0) |
+++ conformance/resources/tex-image-and-sub-image-2d-with-image.js (working copy) |
@@ -0,0 +1,147 @@ |
+/* |
+** 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. |
+*/ |
+ |
+function generateTest(pixelFormat, pixelType, pathToTestRoot, prologue) { |
+ var wtu = WebGLTestUtils; |
+ var gl = null; |
+ var textureLoc = null; |
+ var successfullyParsed = false; |
+ var imgCanvas; |
+ var red = [255, 0, 0]; |
+ var green = [0, 255, 0]; |
+ |
+ var init = function() |
+ { |
+ description('Verify texImage2D and texSubImage2D code paths taking image elements (' + pixelFormat + '/' + pixelType + ')'); |
+ |
+ gl = wtu.create3DContext("example"); |
+ |
+ if (!prologue(gl)) { |
+ finishTest(); |
+ return; |
+ } |
+ |
+ var program = wtu.setupTexturedQuad(gl); |
+ |
+ gl.clearColor(0,0,0,1); |
+ gl.clearDepth(1); |
+ |
+ textureLoc = gl.getUniformLocation(program, "tex"); |
+ |
+ wtu.loadTexture(gl, pathToTestRoot + "/resources/red-green.png", runTest); |
+ } |
+ |
+ function runOneIteration(image, useTexSubImage2D, flipY, topColor, bottomColor) |
+ { |
+ debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') + |
+ ' with flipY=' + flipY); |
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
+ // Disable any writes to the alpha channel |
+ gl.colorMask(1, 1, 1, 0); |
+ var texture = gl.createTexture(); |
+ // Bind the texture to texture unit 0 |
+ gl.bindTexture(gl.TEXTURE_2D, texture); |
+ // Set up texture parameters |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
+ // Set up pixel store parameters |
+ gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY); |
+ gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false); |
+ gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE); |
+ // Upload the image into the texture |
+ if (useTexSubImage2D) { |
+ // Initialize the texture to black first |
+ gl.texImage2D(gl.TEXTURE_2D, 0, gl[pixelFormat], image.width, image.height, 0, |
+ gl[pixelFormat], gl[pixelType], null); |
+ gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl[pixelFormat], gl[pixelType], image); |
+ } else { |
+ gl.texImage2D(gl.TEXTURE_2D, 0, gl[pixelFormat], gl[pixelFormat], gl[pixelType], image); |
+ } |
+ |
+ // Point the uniform sampler to texture unit 0 |
+ gl.uniform1i(textureLoc, 0); |
+ // Draw the triangles |
+ wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]); |
+ // Check a few pixels near the top and bottom and make sure they have |
+ // the right color. |
+ debug("Checking lower left corner"); |
+ wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor, |
+ "shouldBe " + bottomColor); |
+ debug("Checking upper left corner"); |
+ wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor, |
+ "shouldBe " + topColor); |
+ } |
+ |
+ function runTestOnImage(image) { |
+ runOneIteration(image, false, true, red, green); |
+ runOneIteration(image, false, false, green, red); |
+ runOneIteration(image, true, true, red, green); |
+ runOneIteration(image, true, false, green, red); |
+ } |
+ |
+ function runTest(image) |
+ { |
+ runTestOnImage(image); |
+ |
+ imgCanvas = document.createElement("canvas"); |
+ imgCanvas.width = 1; |
+ imgCanvas.height = 2; |
+ var imgCtx = imgCanvas.getContext("2d"); |
+ var imgData = imgCtx.createImageData(1, 2); |
+ imgData.data[0] = red[0]; |
+ imgData.data[1] = red[1]; |
+ imgData.data[2] = red[2]; |
+ imgData.data[3] = 255; |
+ imgData.data[4] = green[0]; |
+ imgData.data[5] = green[1]; |
+ imgData.data[6] = green[2]; |
+ imgData.data[7] = 255; |
+ imgCtx.putImageData(imgData, 0, 0); |
+ |
+ // apparently Image is different than <img>. |
+ var newImage = new Image(); |
+ newImage.onload = function() { |
+ runTest2(newImage); |
+ }; |
+ newImage.src = imgCanvas.toDataURL(); |
+ } |
+ |
+ function runTest2(image) { |
+ runTestOnImage(image); |
+ |
+ var newImage = document.createElement("img"); |
+ newImage.onload = function() { |
+ runTest3(newImage); |
+ }; |
+ newImage.src = imgCanvas.toDataURL(); |
+ } |
+ |
+ function runTest3(image) { |
+ runTestOnImage(image); |
+ |
+ glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors"); |
+ finishTest(); |
+ } |
+ |
+ return init; |
+} |
Property changes on: conformance/resources/tex-image-and-sub-image-2d-with-image.js |
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