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fix Matrix functions to use temporary array when lhs or rhs are same as result

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This commit is contained in:
Hannes Janetzek
2013-05-11 17:28:09 +02:00
parent 1ab3a5e174
commit c4d0c4af57
2 changed files with 45 additions and 4 deletions
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23
jni/gl/utils.c
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@@ -186,6 +186,29 @@ void JNI(smul)(JNIEnv* env, jclass* clazz, jlong ptr_r, jlong ptr_a, jlong ptr_b
multiplyMM(matr, mata, matb);
}
void JNI(smulrhs)(JNIEnv* env, jclass* clazz, jlong ptr_r, jlong ptr_rhs)
{
float* matr = CAST(ptr_r);
float* mata = alloca(16 * sizeof(float));
float* matb = CAST(ptr_rhs);
memcpy(mata, matr, 16 * sizeof(float));
multiplyMM(matr, mata, matb);
}
void JNI(smullhs)(JNIEnv* env, jclass* clazz, jlong ptr_r, jlong ptr_lhs)
{
float* matr = CAST(ptr_r);
float* mata = CAST(ptr_lhs);
float* matb = alloca(16 * sizeof(float));
memcpy(matb, matr, 16 * sizeof(float));
multiplyMM(matr, mata, matb);
}
void JNI(strans)(JNIEnv* env, jclass* clazz, jlong ptr_r, jlong ptr_a)
{
float* matr = CAST(ptr_r);