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This commit is contained in:
Henrik Rydgård 2019-08-06 16:39:28 +02:00
parent 8642134419
commit f9ede96344
1 changed files with 6 additions and 25 deletions
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31
Core/MIPS/MIPSVFPUUtils.cpp
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@ -251,7 +251,7 @@ void ReadMatrix(float *rd, MatrixSize size, int reg) {
const float *v = currentMIPS->v + (size_t)mtx * 16;
if (transpose) {
if (side == 4 && col == 0 && row == 0) {
// Simple 4x4 transpose. TODO: Optimize.
// Fast path: Simple 4x4 transpose. TODO: Optimize.
for (int j = 0; j < 4; j++) {
for (int i = 0; i < 4; i++) {
rd[j * 4 + i] = v[i * 4 + j];
@ -266,17 +266,9 @@ void ReadMatrix(float *rd, MatrixSize size, int reg) {
}
}
} else {
// Fast path
if (side == 4 && col == 0 && row == 0) {
memcpy(rd, v, sizeof(float) * 16);
/*
for (int j = 0; j < side; j++) {
for (int i = 0; i < side; i++) {
int index = mtx * 16 + j * 4 + i;
rd[j * 4 + i] = v[index];
}
}
*/
// Fast path
memcpy(rd, v, sizeof(float) * 16); // rd[j * 4 + i] = v[j * 4 + i];
} else {
for (int j = 0; j < side; j++) {
for (int i = 0; i < side; i++) {
@ -312,18 +304,16 @@ void WriteMatrix(const float *rd, MatrixSize size, int reg) {
// eliminating a table lookup.
float *v = currentMIPS->v + (size_t)mtx * 16;
if (transpose) {
// Fast path
if (side == 4 && row == 0 && col == 0 && currentMIPS->VfpuWriteMask() == 0x0) {
// Fast path: Simple 4x4 transpose. TODO: Optimize.
for (int j = 0; j < side; j++) {
for (int i = 0; i < side; i++) {
int index = i * 4 + j;
v[index] = rd[j * 4 + i];
v[i * 4 + j] = rd[j * 4 + i];
}
}
} else {
for (int j = 0; j < side; j++) {
for (int i = 0; i < side; i++) {
// Hm, I wonder if this should affect matrices at all.
if (j != side - 1 || !currentMIPS->VfpuWriteMask(i)) {
int index = ((row + i) & 3) * 4 + ((col + j) & 3);
v[index] = rd[j * 4 + i];
@ -333,19 +323,10 @@ void WriteMatrix(const float *rd, MatrixSize size, int reg) {
}
} else {
if (side == 4 && row == 0 && col == 0 && currentMIPS->VfpuWriteMask() == 0x0) {
memcpy(v, rd, sizeof(float) * 16);
/*
for (int j = 0; j < side; j++) {
for (int i = 0; i < side; i++) {
int index = j * 4 + i;
v[index] = rd[j * 4 + i];
}
}
*/
memcpy(v, rd, sizeof(float) * 16); // v[j * 4 + i] = rd[j * 4 + i];
} else {
for (int j = 0; j < side; j++) {
for (int i = 0; i < side; i++) {
// Hm, I wonder if this should affect matrices at all.
if (j != side - 1 || !currentMIPS->VfpuWriteMask(i)) {
int index = ((col + j) & 3) * 4 + ((row + i) & 3);
v[index] = rd[j * 4 + i];