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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /APEX_1.4/framework/src/ApexCustomBufferIterator.cpp | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'APEX_1.4/framework/src/ApexCustomBufferIterator.cpp')
| -rw-r--r-- | APEX_1.4/framework/src/ApexCustomBufferIterator.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/APEX_1.4/framework/src/ApexCustomBufferIterator.cpp b/APEX_1.4/framework/src/ApexCustomBufferIterator.cpp new file mode 100644 index 00000000..c472c388 --- /dev/null +++ b/APEX_1.4/framework/src/ApexCustomBufferIterator.cpp @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved. + * + * NVIDIA CORPORATION and its licensors retain all intellectual property + * and proprietary rights in and to this software, related documentation + * and any modifications thereto. Any use, reproduction, disclosure or + * distribution of this software and related documentation without an express + * license agreement from NVIDIA CORPORATION is strictly prohibited. + */ + + +#include "ApexCustomBufferIterator.h" +#include "PsString.h" + +namespace nvidia +{ +namespace apex +{ + +ApexCustomBufferIterator::ApexCustomBufferIterator() : + mData(NULL), + mElemSize(0), + mMaxTriangles(0) +{ +} + +void ApexCustomBufferIterator::setData(void* data, uint32_t elemSize, uint32_t maxTriangles) +{ + mData = (uint8_t*)data; + mElemSize = elemSize; + mMaxTriangles = maxTriangles; +} + +void ApexCustomBufferIterator::addCustomBuffer(const char* name, RenderDataFormat::Enum format, uint32_t offset) +{ + CustomBuffer buffer; + buffer.name = name; + buffer.offset = offset; + buffer.format = format; + + mCustomBuffers.pushBack(buffer); +} +void* ApexCustomBufferIterator::getVertex(uint32_t triangleIndex, uint32_t vertexIndex) const +{ + if (mData == NULL || triangleIndex >= mMaxTriangles) + { + return NULL; + } + + return mData + mElemSize * (triangleIndex * 3 + vertexIndex); +} +int32_t ApexCustomBufferIterator::getAttributeIndex(const char* attributeName) const +{ + if (attributeName == NULL || attributeName[0] == 0) + { + return -1; + } + + for (uint32_t i = 0; i < mCustomBuffers.size(); i++) + { + if (nvidia::strcmp(mCustomBuffers[i].name, attributeName) == 0) + { + return (int32_t)i; + } + } + return -1; +} +void* ApexCustomBufferIterator::getVertexAttribute(uint32_t triangleIndex, uint32_t vertexIndex, const char* attributeName, RenderDataFormat::Enum& outFormat) const +{ + outFormat = RenderDataFormat::UNSPECIFIED; + + uint8_t* elementData = (uint8_t*)getVertex(triangleIndex, vertexIndex); + if (elementData == NULL) + { + return NULL; + } + + + for (uint32_t i = 0; i < mCustomBuffers.size(); i++) + { + if (nvidia::strcmp(mCustomBuffers[i].name, attributeName) == 0) + { + outFormat = mCustomBuffers[i].format; + return elementData + mCustomBuffers[i].offset; + } + } + return NULL; +} + +void* ApexCustomBufferIterator::getVertexAttribute(uint32_t triangleIndex, uint32_t vertexIndex, uint32_t attributeIndex, RenderDataFormat::Enum& outFormat, const char*& outName) const +{ + outFormat = RenderDataFormat::UNSPECIFIED; + outName = NULL; + + uint8_t* elementData = (uint8_t*)getVertex(triangleIndex, vertexIndex); + if (elementData == NULL || attributeIndex >= mCustomBuffers.size()) + { + return NULL; + } + + outName = mCustomBuffers[attributeIndex].name; + outFormat = mCustomBuffers[attributeIndex].format; + return elementData + mCustomBuffers[attributeIndex].offset; +} + +} +} // end namespace nvidia::apex |