Lines Matching defs:dvdy
298 float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dudy, float dvdy)
304 p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx), deFloatSqrt(dudy*dudy + dvdy*dvdy));
311 float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
326 float computeLodFromDerivates (LodMode mode, float dudx, float dvdx, float dwdx, float dudy, float dvdy, float dwdy)
332 p = de::max(deFloatSqrt(dudx*dudx + dvdx*dvdx + dwdx*dwdx), deFloatSqrt(dudy*dudy + dvdy*dvdy + dwdy*dwdy));
339 float mv = de::max(deFloatAbs(dvdx), deFloatAbs(dvdy));
912 float dvdy = (m_lookupSpec.maxCoord[1]-m_lookupSpec.minCoord[1])*proj*(float)m_textureSpec.height / (float)viewportSize[1];
913 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
971 float dvdy = (c01.t - c00.t)*(float)m_textureSpec.height / (float)viewportSize[1];
972 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
1008 float dvdy = (m_lookupSpec.maxCoord[1]-m_lookupSpec.minCoord[1])*proj*(float)m_textureSpec.height / (float)viewportSize[1];
1009 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
1039 float dvdy = (m_lookupSpec.maxCoord[1]-m_lookupSpec.minCoord[1])*proj*(float)m_textureSpec.height / (float)viewportSize[1];
1042 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, dwdx, 0.0f, dvdy, dwdy);
1175 float dvdy = (c01.t - c00.t)*(float)m_textureSpec.height / (float)viewportSize[1];
1176 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
2721 const float dvdy = (m_maxCoord[1]-m_minCoord[1])*(float)m_textureSpec.height / (float)viewportSize[1];
2723 m_lodBounds[0] = computeLodFromDerivates(LODMODE_MIN_BOUND, dudx, 0.0f, 0.0f, dvdy)-lodEps;
2724 m_lodBounds[1] = computeLodFromDerivates(LODMODE_MAX_BOUND, dudx, 0.0f, 0.0f, dvdy)+lodEps;
2743 float dvdy = (c01.t - c00.t)*(float)m_textureSpec.height / (float)viewportSize[1];
2745 m_lodBounds[0] = computeLodFromDerivates(LODMODE_MIN_BOUND, dudx, 0.0f, 0.0f, dvdy)-lodEps;
2746 m_lodBounds[1] = computeLodFromDerivates(LODMODE_MAX_BOUND, dudx, 0.0f, 0.0f, dvdy)+lodEps;
2756 const float dvdy = (m_maxCoord[1]-m_minCoord[1])*(float)m_textureSpec.height / (float)viewportSize[1];
2760 m_lodBounds[0] = computeLodFromDerivates(LODMODE_MIN_BOUND, dudx, 0.0f, dwdx, 0.0f, dvdy, dwdy)-lodEps;
2761 m_lodBounds[1] = computeLodFromDerivates(LODMODE_MAX_BOUND, dudx, 0.0f, dwdx, 0.0f, dvdy, dwdy)+lodEps;
4407 // \note Only one of dudx, dudy, dvdx, dvdy is non-zero since spec allows approximating p from derivates by various methods.