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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-multisampled-readbuffer.html')
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-multisampled-readbuffer.html b/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-multisampled-readbuffer.html new file mode 100644 index 000000000..568442a01 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/rendering/blitframebuffer-multisampled-readbuffer.html @@ -0,0 +1,134 @@ +<!-- + +/* +** 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>WebGL BlitFramebuffer Tests</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> +<script src="../../js/glsl-conformance-test.js"></script> +</head> +<body> +<canvas id="canvas" width="8" height="8"></canvas> +<div id="description"></div> +<div id="console"></div> + +<script> +"use strict"; + +var wtu = WebGLTestUtils; +description("This test verifies the functionality of blitFramebuffer with multisampled sRGB color buffer."); + +var gl = wtu.create3DContext("canvas", undefined, 2); + +var tex_blit = gl.createTexture(); +var fb0 = gl.createFramebuffer(); +var rb0 = gl.createRenderbuffer(); +var fbo_blit = gl.createFramebuffer(); +var size = 32; +var program; + +if (!gl) { + testFailed("WebGL context does not exist"); +} else { + testPassed("WebGL context exists"); + + init(); + + var filters = [gl.LINEAR, gl.NEAREST]; + for (var ii = 0; ii < filters.length; ++ii) { + blitframebuffer_multisampled_readbuffer(gl.SRGB8_ALPHA8, gl.SRGB8_ALPHA8, filters[ii]); + } +} + +function init() { + program = wtu.setupColorQuad(gl); + gl.viewport(0, 0, size, size); +} + +function blitframebuffer_helper(readbufferFormat, drawbufferFormat, filter) { + // Create draw framebuffer and feed 0 to draw buffer + gl.bindTexture(gl.TEXTURE_2D, tex_blit); + gl.texImage2D(gl.TEXTURE_2D, 0, drawbufferFormat, size, size, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, fbo_blit); + gl.framebufferTexture2D(gl.DRAW_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex_blit, 0); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "setup draw framebuffer should succeed"); + + gl.blitFramebuffer(0, 0, size, size, 0, 0, size, size, gl.COLOR_BUFFER_BIT, filter); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "blitframebuffer should succeed"); +} + +function blitframebuffer_multisampled_readbuffer(readbufferFormat, drawbufferFormat, filter) { + debug(""); + debug("Test blitFramebuffer when the read buffer is a multisampled srgb image. The filter is: " + wtu.glEnumToString(gl, filter)); + debug("read buffer format is: " + wtu.glEnumToString(gl, readbufferFormat) + ", draw buffer format is: " + wtu.glEnumToString(gl, drawbufferFormat)); + + // Draw to a multi-sampled srgb image, and blit to a srgb image. + gl.bindRenderbuffer(gl.RENDERBUFFER, rb0); + gl.renderbufferStorageMultisample(gl.RENDERBUFFER, 4, readbufferFormat, size, size); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb0); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb0); + if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) { + testFailed("Framebuffer incomplete."); + return; + } + var color = [252, 122, 15, 255]; + var expectedColor = wtu.linearToSRGB(color); + for (var i = 0; i < 4; ++i) { + color[i] = color[i] / 255; + } + // Draw a rectangle. Fill it with solid color. + // Note that the draw buffer is a multisampled srgb image. So during drawing, the color will be converted into srgb color space. + gl.useProgram(program); + wtu.drawFloatColorQuad(gl, color); + gl.bindFramebuffer(gl.READ_FRAMEBUFFER, fb0); + blitframebuffer_helper(readbufferFormat, drawbufferFormat, filter); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Blit from a multi-sampled srgb image to a srgb image should succeed"); + + // Compare + gl.bindFramebuffer(gl.READ_FRAMEBUFFER, fbo_blit); + wtu.checkCanvasRect(gl, 0, 0, size, size, expectedColor); +} + +gl.bindTexture(gl.TEXTURE_2D, null); +gl.bindRenderbuffer(gl.RENDERBUFFER, null); +gl.bindFramebuffer(gl.READ_FRAMEBUFFER, null); +gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, null); +gl.deleteRenderbuffer(rb0); +gl.deleteTexture(tex_blit); +gl.deleteFramebuffer(fb0); +gl.deleteFramebuffer(fbo_blit); + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |