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TransformedAABBoxSSE.h
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TransformedAABBoxSSE.h
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////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Intel Corporation
//
// 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.
////////////////////////////////////////////////////////////////////////////////
#ifndef TRANSFORMEDAABBOXSSE_H
#define TRANSFORMEDAABBOXSSE_H
#include "CPUT_DX11.h"
#include "Constants.h"
#include "HelperSSE.h"
enum PreTestResult
{
ePT_INVISIBLE,
ePT_VISIBLE,
ePT_UNSURE,
};
class TransformedAABBoxSSE : public HelperSSE
{
public:
void CreateAABBVertexIndexList(CPUTModelDX11 *pModel);
bool IsInsideViewFrustum(CPUTCamera *pCamera);
PreTestResult TransformAndPreTestAABBox(__m128 xformedPos[], const __m128 cumulativeMatrix[4], const float *pDepthSummary);
bool RasterizeAndDepthTestAABBox(UINT *pRenderTargetPixels, const __m128 pXformedPos[], UINT idx);
bool IsTooSmall(const BoxTestSetupSSE &setup, __m128 cumulativeMatrix[4]);
private:
CPUTModelDX11 *mpCPUTModel;
float4x4 mWorldMatrix;
float3 mBBCenter;
float3 mBBHalf;
float mRadiusSq;
float3 mBBCenterWS;
float3 mBBHalfWS;
void Gather(vFloat4 pOut[3], UINT triId, const __m128 xformedPos[], UINT idx);
};
#endif // TRANSFORMEDAABBOXSSE_H