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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/deqp/framework/referencerenderer/rrUtil.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/deqp/framework/referencerenderer/rrUtil.js')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/deqp/framework/referencerenderer/rrUtil.js | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/referencerenderer/rrUtil.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/referencerenderer/rrUtil.js new file mode 100644 index 0000000000..03a58168fc --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/referencerenderer/rrUtil.js @@ -0,0 +1,115 @@ +/*------------------------------------------------------------------------- + * drawElements Quality Program OpenGL ES Utilities + * ------------------------------------------------ + * + * Copyright 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +'use strict'; +goog.provide('framework.referencerenderer.rrUtil'); +goog.require('framework.opengl.simplereference.sglrGLContext'); +goog.require('framework.opengl.simplereference.sglrReferenceContext'); + +goog.scope(function() { + + var rrUtil = framework.referencerenderer.rrUtil; + var sglrGLContext = framework.opengl.simplereference.sglrGLContext; + var sglrReferenceContext = framework.opengl.simplereference.sglrReferenceContext; + + /** + * @param {sglrGLContext.GLContext | WebGL2RenderingContext | sglrReferenceContext.ReferenceContext} ctx + * @param {number|Object} program + * @param {Array<number>} p0 + * @param {Array<number>} p1 + */ + rrUtil.drawQuad = function(ctx, program, p0, p1) { + // Vertex data. + var hz = (p0[2] + p1[2]) * 0.5; + /** @type {Array<number>} */ var position = [ + p0[0], p0[1], p0[2], 1.0, + p0[0], p1[1], hz, 1.0, + p1[0], p0[1], hz, 1.0, + p1[0], p1[1], p1[2], 1.0 + ]; + /** @type {Array<number>} */ var coord = [ + 0.0, 0.0, + 0.0, 1.0, + 1.0, 0.0, + 1.0, 1.0 + ]; + /** @type {Array<number>} */ var indices = [0, 1, 2, 2, 1, 3]; + + var posLoc = ctx.getAttribLocation(program, 'a_position'); + if (posLoc == -1) + throw new Error('a_position attribute is not defined.'); + + var coordLoc = ctx.getAttribLocation(program, 'a_coord'); + var vaoID; + var bufIDs = []; + + vaoID = ctx.createVertexArray(); + ctx.bindVertexArray(vaoID); + + bufIDs[0] = ctx.createBuffer(); + bufIDs[1] = ctx.createBuffer(); + + ctx.useProgram(program); + + if (posLoc >= 0) { + ctx.bindBuffer(gl.ARRAY_BUFFER, bufIDs[0]); + ctx.bufferData(gl.ARRAY_BUFFER, new Float32Array(position), gl.STATIC_DRAW); + + ctx.enableVertexAttribArray(posLoc); + ctx.vertexAttribPointer(posLoc, 4, gl.FLOAT, false, 0, 0); + + ctx.bindBuffer(gl.ARRAY_BUFFER, null); + } + + if (coordLoc >= 0) { + ctx.bindBuffer(gl.ARRAY_BUFFER, bufIDs[1]); + ctx.bufferData(gl.ARRAY_BUFFER, new Float32Array(coord), gl.STATIC_DRAW); + + ctx.enableVertexAttribArray(coordLoc); + ctx.vertexAttribPointer(coordLoc, 2, gl.FLOAT, false, 0, 0); + + ctx.bindBuffer(gl.ARRAY_BUFFER, null); + } + + { + var ndxID = ctx.createBuffer(); + + ctx.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, ndxID); + ctx.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array(indices), gl.STATIC_DRAW); + + ctx.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0); + + ctx.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); + ctx.deleteBuffer(ndxID); + } + + ctx.bindVertexArray(null); + ctx.deleteBuffer(bufIDs[0]); + ctx.deleteBuffer(bufIDs[1]); + ctx.deleteVertexArray(vaoID); + + if (posLoc >= 0) + ctx.disableVertexAttribArray(posLoc); + + if (coordLoc >= 0) + ctx.disableVertexAttribArray(coordLoc); + }; + +}); |