mirror of https://github.com/axmolengine/axmol.git
266 lines
11 KiB
Plaintext
266 lines
11 KiB
Plaintext
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/**
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Copyright 2013 BlackBerry Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Original file from GamePlay3D: http://gameplay3d.org
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This file was modified to fit the cocos2d-x project
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*/
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NS_CC_MATH_BEGIN
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class MathUtilNeon64
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{
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public:
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inline static void addMatrix(const float* m, float scalar, float* dst);
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inline static void addMatrix(const float* m1, const float* m2, float* dst);
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inline static void subtractMatrix(const float* m1, const float* m2, float* dst);
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inline static void multiplyMatrix(const float* m, float scalar, float* dst);
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inline static void multiplyMatrix(const float* m1, const float* m2, float* dst);
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inline static void negateMatrix(const float* m, float* dst);
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inline static void transposeMatrix(const float* m, float* dst);
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inline static void transformVec4(const float* m, float x, float y, float z, float w, float* dst);
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inline static void transformVec4(const float* m, const float* v, float* dst);
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inline static void crossVec3(const float* v1, const float* v2, float* dst);
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};
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inline void MathUtilNeon64::addMatrix(const float* m, float scalar, float* dst)
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{
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asm volatile(
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"ld4 {v0.4s, v1.4s, v2.4s, v3.4s}, [%1] \n\t" // M[m0-m7] M[m8-m15]
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"ld1r {v4.4s}, [%2] \n\t" //ssss
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"fadd v8.4s, v0.4s, v4.4s \n\t" // DST->M[m0-m3] = M[m0-m3] + s
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"fadd v9.4s, v1.4s, v4.4s \n\t" // DST->M[m4-m7] = M[m4-m7] + s
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"fadd v10.4s, v2.4s, v4.4s \n\t" // DST->M[m8-m11] = M[m8-m11] + s
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"fadd v11.4s, v3.4s, v4.4s \n\t" // DST->M[m12-m15] = M[m12-m15] + s
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"st4 {v8.4s, v9.4s, v10.4s, v11.4s}, [%0] \n\t" // Result in V9
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:
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: "r"(dst), "r"(m), "r"(&scalar)
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: "v0", "v1", "v2", "v3", "v4", "v8", "v9", "v10", "v11", "memory"
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);
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}
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inline void MathUtilNeon64::addMatrix(const float* m1, const float* m2, float* dst)
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{
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asm volatile(
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"ld4 {v0.4s, v1.4s, v2.4s, v3.4s}, [%1] \n\t" // M1[m0-m7] M1[m8-m15]
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"ld4 {v8.4s, v9.4s, v10.4s, v11.4s}, [%2] \n\t" // M2[m0-m7] M2[m8-m15]
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"fadd v12.4s, v0.4s, v8.4s \n\t" // DST->M[m0-m3] = M1[m0-m3] + M2[m0-m3]
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"fadd v13.4s, v1.4s, v9.4s \n\t" // DST->M[m4-m7] = M1[m4-m7] + M2[m4-m7]
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"fadd v14.4s, v2.4s, v10.4s \n\t" // DST->M[m8-m11] = M1[m8-m11] + M2[m8-m11]
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"fadd v15.4s, v3.4s, v11.4s \n\t" // DST->M[m12-m15] = M1[m12-m15] + M2[m12-m15]
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"st4 {v12.4s, v13.4s, v14.4s, v15.4s}, [%0] \n\t" // DST->M[m0-m7] DST->M[m8-m15]
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:
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: "r"(dst), "r"(m1), "r"(m2)
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: "v0", "v1", "v2", "v3", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", "memory"
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);
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}
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inline void MathUtilNeon64::subtractMatrix(const float* m1, const float* m2, float* dst)
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{
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asm volatile(
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"ld4 {v0.4s, v1.4s, v2.4s, v3.4s}, [%1] \n\t" // M1[m0-m7] M1[m8-m15]
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"ld4 {v8.4s, v9.4s, v10.4s, v11.4s}, [%2] \n\t" // M2[m0-m7] M2[m8-m15]
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"fsub v12.4s, v0.4s, v8.4s \n\t" // DST->M[m0-m3] = M1[m0-m3] - M2[m0-m3]
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"fsub v13.4s, v1.4s, v9.4s \n\t" // DST->M[m4-m7] = M1[m4-m7] - M2[m4-m7]
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"fsub v14.4s, v2.4s, v10.4s \n\t" // DST->M[m8-m11] = M1[m8-m11] - M2[m8-m11]
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"fsub v15.4s, v3.4s, v11.4s \n\t" // DST->M[m12-m15] = M1[m12-m15] - M2[m12-m15]
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"st4 {v12.4s, v13.4s, v14.4s, v15.4s}, [%0] \n\t" // DST->M[m0-m7] DST->M[m8-m15]
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:
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: "r"(dst), "r"(m1), "r"(m2)
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: "v0", "v1", "v2", "v3", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", "memory"
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);
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}
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inline void MathUtilNeon64::multiplyMatrix(const float* m, float scalar, float* dst)
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{
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asm volatile(
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"ld1 {v0.s}[0], [%2] \n\t" //s
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"ld4 {v4.4s, v5.4s, v6.4s, v7.4s}, [%1] \n\t" //M[m0-m7] M[m8-m15]
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"fmul v8.4s, v4.4s, v0.s[0] \n\t" // DST->M[m0-m3] = M[m0-m3] * s
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"fmul v9.4s, v5.4s, v0.s[0] \n\t" // DST->M[m4-m7] = M[m4-m7] * s
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"fmul v10.4s, v6.4s, v0.s[0] \n\t" // DST->M[m8-m11] = M[m8-m11] * s
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"fmul v11.4s, v7.4s, v0.s[0] \n\t" // DST->M[m12-m15] = M[m12-m15] * s
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"st4 {v8.4s, v9.4s, v10.4s, v11.4s}, [%0] \n\t" // DST->M[m0-m7] DST->M[m8-m15]
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:
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: "r"(dst), "r"(m), "r"(&scalar)
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: "v0", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "memory"
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);
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}
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inline void MathUtilNeon64::multiplyMatrix(const float* m1, const float* m2, float* dst)
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{
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asm volatile(
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"ld1 {v8.4s, v9.4s, v10.4s, v11.4s}, [%1] \n\t" // M1[m0-m7] M1[m8-m15] M2[m0-m7] M2[m8-m15]
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"ld4 {v0.4s, v1.4s, v2.4s, v3.4s}, [%2] \n\t" // M2[m0-m15]
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"fmul v12.4s, v8.4s, v0.s[0] \n\t" // DST->M[m0-m3] = M1[m0-m3] * M2[m0]
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"fmul v13.4s, v8.4s, v0.s[1] \n\t" // DST->M[m4-m7] = M1[m4-m7] * M2[m4]
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"fmul v14.4s, v8.4s, v0.s[2] \n\t" // DST->M[m8-m11] = M1[m8-m11] * M2[m8]
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"fmul v15.4s, v8.4s, v0.s[3] \n\t" // DST->M[m12-m15] = M1[m12-m15] * M2[m12]
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"fmla v12.4s, v9.4s, v1.s[0] \n\t" // DST->M[m0-m3] += M1[m0-m3] * M2[m1]
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"fmla v13.4s, v9.4s, v1.s[1] \n\t" // DST->M[m4-m7] += M1[m4-m7] * M2[m5]
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"fmla v14.4s, v9.4s, v1.s[2] \n\t" // DST->M[m8-m11] += M1[m8-m11] * M2[m9]
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"fmla v15.4s, v9.4s, v1.s[3] \n\t" // DST->M[m12-m15] += M1[m12-m15] * M2[m13]
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"fmla v12.4s, v10.4s, v2.s[0] \n\t" // DST->M[m0-m3] += M1[m0-m3] * M2[m2]
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"fmla v13.4s, v10.4s, v2.s[1] \n\t" // DST->M[m4-m7] += M1[m4-m7] * M2[m6]
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"fmla v14.4s, v10.4s, v2.s[2] \n\t" // DST->M[m8-m11] += M1[m8-m11] * M2[m10]
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"fmla v15.4s, v10.4s, v2.s[3] \n\t" // DST->M[m12-m15] += M1[m12-m15] * M2[m14]
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"fmla v12.4s, v11.4s, v3.s[0] \n\t" // DST->M[m0-m3] += M1[m0-m3] * M2[m3]
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"fmla v13.4s, v11.4s, v3.s[1] \n\t" // DST->M[m4-m7] += M1[m4-m7] * M2[m7]
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"fmla v14.4s, v11.4s, v3.s[2] \n\t" // DST->M[m8-m11] += M1[m8-m11] * M2[m11]
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"fmla v15.4s, v11.4s, v3.s[3] \n\t" // DST->M[m12-m15] += M1[m12-m15] * M2[m15]
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"st1 {v12.4s, v13.4s, v14.4s, v15.4s}, [%0] \n\t" // DST->M[m0-m7]// DST->M[m8-m15]
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: // output
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: "r"(dst), "r"(m1), "r"(m2) // input - note *value* of pointer doesn't change.
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: "memory", "v0", "v1", "v2", "v3", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15"
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);
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}
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inline void MathUtilNeon64::negateMatrix(const float* m, float* dst)
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{
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asm volatile(
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"ld4 {v0.4s, v1.4s, v2.4s, v3.4s}, [%1] \n\t" // load m0-m7 load m8-m15
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"fneg v4.4s, v0.4s \n\t" // negate m0-m3
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"fneg v5.4s, v1.4s \n\t" // negate m4-m7
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"fneg v6.4s, v2.4s \n\t" // negate m8-m15
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"fneg v7.4s, v3.4s \n\t" // negate m8-m15
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"st4 {v4.4s, v5.4s, v6.4s, v7.4s}, [%0] \n\t" // store m0-m7 store m8-m15
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:
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: "r"(dst), "r"(m)
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: "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "memory"
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);
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}
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inline void MathUtilNeon64::transposeMatrix(const float* m, float* dst)
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{
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asm volatile(
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"ld4 {v0.4s, v1.4s, v2.4s, v3.4s}, [%1] \n\t" // DST->M[m0, m4, m8, m12] = M[m0-m3]
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//DST->M[m1, m5, m9, m12] = M[m4-m7]
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"st1 {v0.4s, v1.4s, v2.4s, v3.4s}, [%0] \n\t"
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:
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: "r"(dst), "r"(m)
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: "v0", "v1", "v2", "v3", "memory"
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);
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}
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inline void MathUtilNeon64::transformVec4(const float* m, float x, float y, float z, float w, float* dst)
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{
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asm volatile(
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"ld1 {v0.s}[0], [%1] \n\t" // V[x]
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"ld1 {v0.s}[1], [%2] \n\t" // V[y]
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"ld1 {v0.s}[2], [%3] \n\t" // V[z]
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"ld1 {v0.s}[3], [%4] \n\t" // V[w]
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"ld1 {v9.4s, v10.4s, v11.4s, v12.4s}, [%5] \n\t" // M[m0-m7] M[m8-m15]
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"fmul v13.4s, v9.4s, v0.s[0] \n\t" // DST->V = M[m0-m3] * V[x]
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"fmla v13.4s, v10.4s, v0.s[1] \n\t" // DST->V += M[m4-m7] * V[y]
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"fmla v13.4s, v11.4s, v0.s[2] \n\t" // DST->V += M[m8-m11] * V[z]
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"fmla v13.4s, v12.4s, v0.s[3] \n\t" // DST->V += M[m12-m15] * V[w]
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//"st1 {v13.4s}, [%0] \n\t" // DST->V[x, y] // DST->V[z]
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"st1 {v13.2s}, [%0], 8 \n\t"
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"st1 {v13.s}[2], [%0] \n\t"
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:
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: "r"(dst), "r"(&x), "r"(&y), "r"(&z), "r"(&w), "r"(m)
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: "v0", "v9", "v10","v11", "v12", "v13", "memory"
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);
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}
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inline void MathUtilNeon64::transformVec4(const float* m, const float* v, float* dst)
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{
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asm volatile
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(
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"ld1 {v0.4s}, [%1] \n\t" // V[x, y, z, w]
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"ld1 {v9.4s, v10.4s, v11.4s, v12.4s}, [%2] \n\t" // M[m0-m7] M[m8-m15]
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"fmul v13.4s, v9.4s, v0.s[0] \n\t" // DST->V = M[m0-m3] * V[x]
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"fmla v13.4s, v10.4s, v0.s[1] \n\t" // DST->V = M[m4-m7] * V[y]
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"fmla v13.4s, v11.4s, v0.s[2] \n\t" // DST->V = M[m8-m11] * V[z]
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"fmla v13.4s, v12.4s, v0.s[3] \n\t" // DST->V = M[m12-m15] * V[w]
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"st1 {v13.4s}, [%0] \n\t" // DST->V
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:
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: "r"(dst), "r"(v), "r"(m)
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: "v0", "v9", "v10","v11", "v12", "v13", "memory"
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);
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}
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inline void MathUtilNeon64::crossVec3(const float* v1, const float* v2, float* dst)
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{
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asm volatile(
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"ld1 {v0.2s}, [%2] \n\t"
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"ld1 {v0.s}[2], [%1] \n\t"
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"mov v0.s[3], v0.s[0] \n\t" // q0 = (v1y, v1z, v1x, v1x)
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"ld1 {v1.4s}, [%3] \n\t"
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"mov v1.s[3], v1.s[0] \n\t" // q1 = (v2x, v2y, v2z, v2x)
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"fmul v2.4s, v0.4s, v1.4s \n\t" // x = v1y * v2z, y = v1z * v2x
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||
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|
|
||
|
|
|
||
|
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"mov v0.s[0], v0.s[1] \n\t"
|
||
|
|
"mov v0.s[1], v0.s[2] \n\t"
|
||
|
|
"mov v0.s[2], v0.s[3] \n\t"
|
||
|
|
|
||
|
|
"mov v1.s[3], v1.s[2] \n\t"
|
||
|
|
|
||
|
|
"fmul v0.4s, v0.4s, v1.4s \n\t"
|
||
|
|
|
||
|
|
"mov v0.s[3], v0.s[1] \n\t"
|
||
|
|
"mov v0.s[1], v0.s[2] \n\t"
|
||
|
|
"mov v0.s[2], v0.s[0] \n\t"
|
||
|
|
|
||
|
|
"fsub v2.4s, v0.4s, v2.4s \n\t"
|
||
|
|
|
||
|
|
"mov v2.s[0], v2.s[1] \n\t"
|
||
|
|
"mov v2.s[1], v2.s[2] \n\t"
|
||
|
|
"mov v2.s[2], v2.s[3] \n\t"
|
||
|
|
|
||
|
|
"st1 {v2.2s}, [%0], 8 \n\t" // V[x, y]
|
||
|
|
"st1 {v2.s}[2], [%0] \n\t" // V[z]
|
||
|
|
:
|
||
|
|
: "r"(dst), "r"(v1), "r"((v1+1)), "r"(v2), "r"((v2+1))
|
||
|
|
: "v0", "v1", "v2", "memory"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
NS_CC_MATH_END
|