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/*-------------------------------------------------------------------------
* 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.rrVertexPacket');
goog.require('framework.common.tcuTexture');
goog.require('framework.delibs.debase.deMath');
goog.scope(function() {
var rrVertexPacket = framework.referencerenderer.rrVertexPacket;
var tcuTexture = framework.common.tcuTexture;
var deMath = framework.delibs.debase.deMath;
/**
* rrVertexPacket.VertexPacket class. (Should only be created by rrVertexPacket.VertexPacketAllocator)
* @constructor
*/
rrVertexPacket.VertexPacket = function() {
/** @type {number} */ this.instanceNdx;
/** @type {number} */ this.vertexNdx;
/** @type {goog.NumberArray} */ this.position; //!< Transformed position - must be written always.
/** @type {number} */ this.pointSize; //!< Point size, required when rendering points.
// /** @type {number} */ this.primitiveID; //!< Geometry shader output (Not used in webGL)
/** @type {Array<goog.NumberArray>} */ this.outputs = [[0, 0, 0, 0]];
};
/**
* rrVertexPacket.VertexPacketAllocator class
* @constructor
* @param {number} numberOfVertexOutputs
*/
rrVertexPacket.VertexPacketAllocator = function(numberOfVertexOutputs) {
/** @type {number} */ this.m_numberOfVertexOutputs = numberOfVertexOutputs;
/** @type {Uint8Array} */ this.m_allocations;
/** @type {Array<rrVertexPacket.VertexPacket>} */ this.m_singleAllocPool = [];
};
/**
* @return {number}
*/
rrVertexPacket.VertexPacketAllocator.prototype.getNumVertexOutputs = function() {
return this.m_numberOfVertexOutputs;
};
/**
* allocArray
* @param {number} count
* @return {Array<rrVertexPacket.VertexPacket>}
*/
rrVertexPacket.VertexPacketAllocator.prototype.allocArray = function(count) {
if (!count)
return [];
/** @type {number} */ var extraVaryings = (this.m_numberOfVertexOutputs == 0) ? (0) : (this.m_numberOfVertexOutputs - 1);
// /** @type {number} TODO: Check what this size is used for */ var packetSize = sizeof(rrVertexPacket.VertexPacket) + extraVaryings * sizeof(GenericVec4);
/** @type {Array<rrVertexPacket.VertexPacket>} */ var retVal = [];
// /** @type {Uint8Array} TODO: same as above */ var ptr = new deInt8[packetSize * count]; // throws bad_alloc => ok
//run ctors
for (var i = 0; i < count; ++i)
retVal.push(new rrVertexPacket.VertexPacket());
/** TODO: same as previous - this.m_allocations.push_back(ptr); */
return retVal;
};
/**
* @return {rrVertexPacket.VertexPacket}
*/
rrVertexPacket.VertexPacketAllocator.prototype.alloc = function() {
/** @type {number} */ var poolSize = 8;
if (this.m_singleAllocPool.length == 0)
this.m_singleAllocPool = this.allocArray(poolSize);
/** @type {rrVertexPacket.VertexPacket} */ var packet = this.m_singleAllocPool.pop();
return packet;
};
});
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