| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Test clear and clearBuffer functions have to match fbo's buffer format</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> |
| <div id="description"></div> |
| <div id="console"></div> |
| <canvas id="canvas" width="20" height="20"> </canvas> |
| <script> |
| "use strict"; |
| description("This tests the WebGL2 specific constraint that clear or clearBuffer* functions have to be compatible with fbo's buffer format"); |
| |
| var setupRenderbuffer = function(attachment, format) { |
| var renderbuffer = gl.createRenderbuffer(); |
| gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuffer); |
| gl.framebufferRenderbuffer(gl.FRAMEBUFFER, attachment, gl.RENDERBUFFER, renderbuffer); |
| gl.renderbufferStorage(gl.RENDERBUFFER, format, canvas.width, canvas.height); |
| return renderbuffer; |
| } |
| |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("canvas"); |
| var gl = wtu.create3DContext(canvas, undefined, 2); |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| testPassed("context exists"); |
| |
| var fb = gl.createFramebuffer(); |
| gl.bindFramebuffer(gl.FRAMEBUFFER, fb); |
| |
| debug(""); |
| debug("Signed integer buffer"); |
| |
| var colorbuffer = setupRenderbuffer(gl.COLOR_ATTACHMENT0, gl.RGBA8); |
| var colorbuffer1 = setupRenderbuffer(gl.COLOR_ATTACHMENT1, gl.RGBA32I); |
| gl.drawBuffers([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1]); |
| shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE'); |
| |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clear and INT buffer"); |
| |
| gl.clearBufferfv(gl.COLOR, 1, new Float32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferfv and INT buffer"); |
| |
| gl.clearBufferuiv(gl.COLOR, 1, new Uint32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferuiv and INT buffer"); |
| |
| debug("Set up draw buffer so INT buffer is set to NONE"); |
| gl.drawBuffers([gl.COLOR_ATTACHMENT0]); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clear and INT buffer is NONE"); |
| |
| gl.clearBufferfv(gl.COLOR, 1, new Float32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBufferfv and INT buffer is NONE"); |
| |
| gl.clearBufferuiv(gl.COLOR, 0, new Uint32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferuiv and float buffer"); |
| |
| debug(""); |
| debug("Unsigned integer buffer"); |
| |
| colorbuffer = setupRenderbuffer(gl.COLOR_ATTACHMENT0, gl.RGBA32UI); |
| colorbuffer1 = setupRenderbuffer(gl.COLOR_ATTACHMENT1, gl.RGBA8); |
| gl.drawBuffers([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1]); |
| shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE'); |
| |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clear and UINT buffer"); |
| |
| gl.clearBufferfv(gl.COLOR, 0, new Float32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferfv and UINT buffer"); |
| |
| gl.clearBufferiv(gl.COLOR, 0, new Int32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferiv and UINT buffer"); |
| |
| debug("Set up draw buffer so INT buffer is set to NONE"); |
| gl.drawBuffers([gl.NONE, gl.COLOR_ATTACHMENT1]); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clear and UINT buffer is NONE"); |
| |
| gl.clearBufferfv(gl.COLOR, 0, new Float32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBufferfv and UINT buffer is NONE"); |
| |
| gl.clearBufferiv(gl.COLOR, 1, new Int32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferiv and float buffer"); |
| |
| debug(""); |
| debug("Float buffer"); |
| |
| colorbuffer = setupRenderbuffer(gl.COLOR_ATTACHMENT0, gl.RGBA8); |
| var numAttachments = 1; |
| var ext = gl.getExtension("EXT_color_buffer_float"); |
| var bufferType = "float buffer"; |
| if (ext) { |
| debug("EXT_color_buffer_float is available: testing RGBA8 + RGBA32F"); |
| colorbuffer1 = setupRenderbuffer(gl.COLOR_ATTACHMENT1, gl.RGBA32F); |
| ++numAttachments; |
| gl.drawBuffers([gl.COLOR_ATTACHMENT0, gl.COLOR_ATTACHMENT1]); |
| } else { |
| debug("EXT_color_buffer_float is unavailable: testing RGBA8"); |
| gl.drawBuffers([gl.COLOR_ATTACHMENT0]); |
| bufferType = "RGBA8 buffer"; |
| } |
| shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE'); |
| |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clear and " + bufferType); |
| |
| for (var ii = 0; ii < numAttachments; ++ii) { |
| gl.clearBufferfv(gl.COLOR, ii, new Float32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBufferfv and " + bufferType); |
| |
| gl.clearBufferiv(gl.COLOR, ii, new Int32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferiv and " + bufferType); |
| |
| gl.clearBufferuiv(gl.COLOR, ii, new Uint32Array(4)); |
| wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "clearBufferuiv and " + bufferType); |
| } |
| |
| gl.deleteFramebuffer(fb); |
| gl.deleteRenderbuffer(colorbuffer); |
| gl.deleteRenderbuffer(colorbuffer1); |
| } |
| |
| debug(""); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no error"); |
| var successfullyParsed = true; |
| |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |