Lines Matching refs:dudx
277 float computeLodFromDerivates (LodMode mode, float dudx, float dudy)
286 p = de::max(deFloatAbs(dudx), deFloatAbs(dudy));
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));
310 float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy));
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));
338 float mu = de::max(deFloatAbs(dudx), deFloatAbs(dudy));
911 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
913 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
970 float dudx = (c10.s - c00.s)*(float)m_textureSpec.width / (float)viewportSize[0];
972 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
1007 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
1009 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
1038 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
1042 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, dwdx, 0.0f, dvdy, dwdy);
1071 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
1072 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f);
1107 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
1108 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f);
1174 float dudx = (c10.s - c00.s)*(float)m_textureSpec.width / (float)viewportSize[0];
1176 lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
2707 const float dudx = (m_maxCoord[0]-m_minCoord[0])*(float)m_textureSpec.width / (float)viewportSize[0];
2709 m_lodBounds[0] = computeLodFromDerivates(LODMODE_MIN_BOUND, dudx, 0.0f)-lodEps;
2710 m_lodBounds[1] = computeLodFromDerivates(LODMODE_MAX_BOUND, dudx, 0.0f)+lodEps;
2720 const float dudx = (m_maxCoord[0]-m_minCoord[0])*(float)m_textureSpec.width / (float)viewportSize[0];
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;
2742 float dudx = (c10.s - c00.s)*(float)m_textureSpec.width / (float)viewportSize[0];
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;
2755 const float dudx = (m_maxCoord[0]-m_minCoord[0])*(float)m_textureSpec.width / (float)viewportSize[0];
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.