Merge "Fix error mask generation in checkLineContinuity" into nougat-cts-dev am:...
[platform/upstream/VK-GL-CTS.git] / framework / referencerenderer / rrVertexPacket.cpp
1 /*-------------------------------------------------------------------------
2  * drawElements Quality Program Reference Renderer
3  * -----------------------------------------------
4  *
5  * Copyright 2014 The Android Open Source Project
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  *//*!
20  * \file
21  * \brief Vertex packet and Vertex packet allocator
22  *//*--------------------------------------------------------------------*/
23
24 #include "rrVertexPacket.hpp"
25
26 namespace rr
27 {
28
29 VertexPacket::VertexPacket (void)
30 {
31 }
32
33 VertexPacket::~VertexPacket (void)
34 {
35 }
36
37 VertexPacketAllocator::VertexPacketAllocator (const size_t numberOfVertexOutputs)
38         : m_numberOfVertexOutputs(numberOfVertexOutputs)
39 {
40 }
41
42 VertexPacketAllocator::~VertexPacketAllocator (void)
43 {
44         for (size_t i = 0; i < m_allocations.size(); ++i)
45                 delete [] m_allocations[i];
46         m_allocations.clear();
47 }
48
49 std::vector<VertexPacket*> VertexPacketAllocator::allocArray (size_t count)
50 {
51         if (!count)
52                 return std::vector<VertexPacket*>();
53
54         const size_t extraVaryings      = (m_numberOfVertexOutputs == 0) ? (0) : (m_numberOfVertexOutputs-1);
55         const size_t packetSize         = sizeof(VertexPacket) + extraVaryings * sizeof(GenericVec4);
56
57         std::vector<VertexPacket*>      retVal;
58         deInt8*                                         ptr = new deInt8[packetSize * count]; // throws bad_alloc => ok
59
60         // *.push_back might throw bad_alloc
61         try
62         {
63                 // run ctors
64                 for (size_t i = 0; i < count; ++i)
65                         retVal.push_back(new (ptr + i*packetSize) VertexPacket()); // throws bad_alloc
66
67                 m_allocations.push_back(ptr); // throws bad_alloc
68         }
69         catch (std::bad_alloc& )
70         {
71                 delete [] ptr;
72                 throw;
73         }
74
75         return retVal;
76 }
77
78 VertexPacket* VertexPacketAllocator::alloc (void)
79 {
80         const size_t poolSize = 8;
81
82         if (m_singleAllocPool.empty())
83                 m_singleAllocPool = allocArray(poolSize);
84
85         VertexPacket* packet = *--m_singleAllocPool.end();
86         m_singleAllocPool.pop_back();
87         return packet;
88 }
89
90 } // rr