Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 1 | /*------------------------------------------------------------------------- |
| 2 | * drawElements Quality Program Random Shader Generator |
| 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 Shader Evaluation Context. |
| 22 | *//*--------------------------------------------------------------------*/ |
| 23 | |
| 24 | #include "rsgExecutionContext.hpp" |
| 25 | |
| 26 | namespace rsg |
| 27 | { |
| 28 | |
| 29 | ExecMaskStorage::ExecMaskStorage (bool initVal) |
| 30 | { |
| 31 | for (int i = 0; i < EXEC_VEC_WIDTH; i++) |
| 32 | m_data[i].as<bool>() = initVal; |
| 33 | } |
| 34 | |
| 35 | ExecValueAccess ExecMaskStorage::getValue (void) |
| 36 | { |
| 37 | return ExecValueAccess(VariableType::getScalarType(VariableType::TYPE_BOOL), m_data); |
| 38 | } |
| 39 | |
| 40 | ExecConstValueAccess ExecMaskStorage::getValue (void) const |
| 41 | { |
| 42 | return ExecConstValueAccess(VariableType::getScalarType(VariableType::TYPE_BOOL), m_data); |
| 43 | } |
| 44 | |
| 45 | ExecutionContext::ExecutionContext (const Sampler2DMap& samplers2D, const SamplerCubeMap& samplersCube) |
| 46 | : m_samplers2D (samplers2D) |
| 47 | , m_samplersCube (samplersCube) |
| 48 | { |
| 49 | // Initialize execution mask to true |
| 50 | ExecMaskStorage initVal(true); |
| 51 | pushExecutionMask(initVal.getValue()); |
| 52 | } |
| 53 | |
| 54 | ExecutionContext::~ExecutionContext (void) |
| 55 | { |
| 56 | for (VarValueMap::iterator i = m_varValues.begin(); i != m_varValues.end(); i++) |
| 57 | delete i->second; |
| 58 | m_varValues.clear(); |
| 59 | } |
| 60 | |
| 61 | ExecValueAccess ExecutionContext::getValue (const Variable* variable) |
| 62 | { |
| 63 | ExecValueStorage* storage = m_varValues[variable]; |
| 64 | |
| 65 | if (!storage) |
| 66 | { |
| 67 | storage = new ExecValueStorage(variable->getType()); |
| 68 | m_varValues[variable] = storage; |
| 69 | } |
| 70 | |
| 71 | return storage->getValue(variable->getType()); |
| 72 | } |
| 73 | |
| 74 | const Sampler2D& ExecutionContext::getSampler2D (const Variable* sampler) const |
| 75 | { |
| 76 | const ExecValueStorage* samplerVal = m_varValues.find(sampler)->second; |
| 77 | |
| 78 | int samplerNdx = samplerVal->getValue(sampler->getType()).asInt(0); |
| 79 | |
| 80 | return m_samplers2D.find(samplerNdx)->second; |
| 81 | } |
| 82 | |
| 83 | const SamplerCube& ExecutionContext::getSamplerCube (const Variable* sampler) const |
| 84 | { |
| 85 | const ExecValueStorage* samplerVal = m_varValues.find(sampler)->second; |
| 86 | |
| 87 | int samplerNdx = samplerVal->getValue(sampler->getType()).asInt(0); |
| 88 | |
| 89 | return m_samplersCube.find(samplerNdx)->second; |
| 90 | } |
| 91 | |
| 92 | void ExecutionContext::andExecutionMask (ExecConstValueAccess value) |
| 93 | { |
| 94 | ExecMaskStorage tmp; |
| 95 | ExecValueAccess newValue = tmp.getValue(); |
| 96 | ExecConstValueAccess oldValue = getExecutionMask(); |
| 97 | |
| 98 | for (int i = 0; i < EXEC_VEC_WIDTH; i++) |
| 99 | newValue.asBool(i) = oldValue.asBool(i) && value.asBool(i); |
| 100 | |
| 101 | pushExecutionMask(newValue); |
| 102 | } |
| 103 | |
| 104 | void ExecutionContext::pushExecutionMask (ExecConstValueAccess value) |
| 105 | { |
| 106 | ExecMaskStorage tmp; |
| 107 | tmp.getValue() = value.value(); |
| 108 | m_execMaskStack.push_back(tmp); |
| 109 | } |
| 110 | |
| 111 | void ExecutionContext::popExecutionMask (void) |
| 112 | { |
| 113 | m_execMaskStack.pop_back(); |
| 114 | } |
| 115 | |
| 116 | ExecConstValueAccess ExecutionContext::getExecutionMask (void) const |
| 117 | { |
| 118 | return m_execMaskStack[m_execMaskStack.size()-1].getValue(); |
| 119 | } |
| 120 | |
| 121 | void assignMasked (ExecValueAccess dst, ExecConstValueAccess src, ExecConstValueAccess mask) |
| 122 | { |
| 123 | const VariableType& type = dst.getType(); |
| 124 | |
| 125 | switch (type.getBaseType()) |
| 126 | { |
| 127 | case VariableType::TYPE_ARRAY: |
| 128 | { |
| 129 | int numElems = type.getNumElements(); |
| 130 | for (int elemNdx = 0; elemNdx < numElems; elemNdx++) |
| 131 | assignMasked(dst.arrayElement(elemNdx), src.arrayElement(elemNdx), mask); |
| 132 | |
| 133 | break; |
| 134 | } |
| 135 | |
| 136 | case VariableType::TYPE_STRUCT: |
| 137 | { |
| 138 | int numMembers = (int)type.getMembers().size(); |
| 139 | for (int memberNdx = 0; memberNdx < numMembers; memberNdx++) |
| 140 | assignMasked(dst.member(memberNdx), src.member(memberNdx), mask); |
| 141 | |
| 142 | break; |
| 143 | } |
| 144 | |
| 145 | case VariableType::TYPE_FLOAT: |
| 146 | case VariableType::TYPE_INT: |
| 147 | case VariableType::TYPE_BOOL: |
| 148 | case VariableType::TYPE_SAMPLER_2D: |
| 149 | case VariableType::TYPE_SAMPLER_CUBE: |
| 150 | { |
| 151 | for (int elemNdx = 0; elemNdx < type.getNumElements(); elemNdx++) |
| 152 | { |
| 153 | ExecValueAccess dstElem = dst.component(elemNdx); |
| 154 | ExecConstValueAccess srcElem = src.component(elemNdx); |
| 155 | |
| 156 | for (int compNdx = 0; compNdx < EXEC_VEC_WIDTH; compNdx++) |
| 157 | { |
| 158 | if (mask.asBool(compNdx)) |
| 159 | dstElem.asScalar(compNdx) = srcElem.asScalar(compNdx); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | break; |
| 164 | } |
| 165 | |
| 166 | default: |
Jarkko Pöyry | 1cc61b7 | 2015-05-29 16:36:30 -0700 | [diff] [blame] | 167 | DE_FATAL("Unsupported"); |
Jarkko Poyry | 3c82736 | 2014-09-02 11:48:52 +0300 | [diff] [blame] | 168 | break; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | } // rsg |