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some matrix code cleanup leftover from olden times of more floating point in gfx3d

This commit is contained in:
zeromus 2011-12-12 21:37:06 +00:00
parent 55c0d8e32f
commit b547e6bd3b
2 changed files with 9 additions and 26 deletions
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27
desmume/src/matrix.cpp
View File

@ -139,17 +139,17 @@ void MatrixScale (float *matrix, const float *ptr)
void MatrixInit (s32 *matrix)
{
memset (matrix, 0, sizeof(float)*16);
memset (matrix, 0, sizeof(s32)*16);
matrix[0] = matrix[5] = matrix[10] = matrix[15] = 1<<12;
}
void MatrixInit (float *matrix)
{
memset (matrix, 0, sizeof(float)*16);
memset (matrix, 0, sizeof(s32)*16);
matrix[0] = matrix[5] = matrix[10] = matrix[15] = 1.f;
}
void MatrixTranspose(float *matrix)
void MatrixTranspose(s32 *matrix)
{
float temp;
#define swap(A,B) temp = matrix[A];matrix[A] = matrix[B]; matrix[B] = temp;
@ -169,21 +169,6 @@ void MatrixIdentity (s32 *matrix)
matrix[11] = matrix[12] = matrix[13] = matrix[14] = 0;
matrix[0] = matrix[5] = matrix[10] = matrix[15] = 1<<12;
}
void MatrixIdentity (float *matrix)
{
matrix[1] = matrix[2] = matrix[3] = matrix[4] = 0.0f;
matrix[6] = matrix[7] = matrix[8] = matrix[9] = 0.0f;
matrix[11] = matrix[12] = matrix[13] = matrix[14] = 0.0f;
matrix[0] = matrix[5] = matrix[10] = matrix[15] = 1.f;
}
float MatrixGetMultipliedIndex (int index, float *matrix, float *rightMatrix)
{
int iMod = index%4, iDiv = (index>>2)<<2;
return (matrix[iMod ]*rightMatrix[iDiv ])+(matrix[iMod+ 4]*rightMatrix[iDiv+1])+
(matrix[iMod+8]*rightMatrix[iDiv+2])+(matrix[iMod+12]*rightMatrix[iDiv+3]);
}
s32 MatrixGetMultipliedIndex (int index, s32 *matrix, s32 *rightMatrix)
{
@ -195,7 +180,7 @@ s32 MatrixGetMultipliedIndex (int index, s32 *matrix, s32 *rightMatrix)
return (s32)(temp>>12);
}
void MatrixSet (float *matrix, int x, int y, float value) // TODO
void MatrixSet (s32 *matrix, int x, int y, s32 value)
{
matrix [x+(y<<2)] = value;
}
@ -226,9 +211,9 @@ void MatrixCopy (s32* matrixDST, const s32* matrixSRC)
memcpy(matrixDST,matrixSRC,sizeof(s32)*16);
}
int MatrixCompare (const float* matrixDST, const float* matrixSRC)
int MatrixCompare (const s32* matrixDST, const s32* matrixSRC)
{
return memcmp((void*)matrixDST, matrixSRC, sizeof(float)*16);
return memcmp((void*)matrixDST, matrixSRC, sizeof(s32)*16);
}
void MatrixStackInit(MatrixStack *stack)

8
desmume/src/matrix.h
View File

@ -50,14 +50,12 @@ void MatrixInit (s32 *matrix);
float MatrixGetMultipliedIndex (int index, float *matrix, float *rightMatrix);
s32 MatrixGetMultipliedIndex (int index, s32 *matrix, s32 *rightMatrix);
void MatrixSet (float *matrix, int x, int y, float value);
void MatrixCopy (float * matrixDST, const float * matrixSRC);
void MatrixSet (s32 *matrix, int x, int y, s32 value);
void MatrixCopy (s32 * matrixDST, const s32 * matrixSRC);
int MatrixCompare (const float * matrixDST, const float * matrixSRC);
void MatrixIdentity (float *matrix);
int MatrixCompare (const s32 * matrixDST, const float * matrixSRC);
void MatrixIdentity (s32 *matrix);
void MatrixTranspose (float *matrix);
void MatrixTranspose (s32 *matrix);
void MatrixStackInit (MatrixStack *stack);
void MatrixStackSetMaxSize (MatrixStack *stack, int size);
void MatrixStackPushMatrix (MatrixStack *stack, const s32 *ptr);