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faster texture loading

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This commit is contained in:
JuiceyDev 2026-03-23 22:31:03 +01:00
parent fdb2a1098b
commit 587d685c5b
1 changed files with 24 additions and 5 deletions
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29
Minecraft.Client/Textures/Texture.cpp
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@ -471,10 +471,11 @@ void Texture::blit(int x, int y, Texture* source, bool rotated) {
} }
void Texture::transferFromBuffer(intArray buffer) { void Texture::transferFromBuffer(intArray buffer) {
if (depth == 1) { //if (depth == 1) {
return; // return;
} //}
// 4jcraft - move pos out of loops
data[0]->clear();
// #ifdef __PS3__ // #ifdef __PS3__
// int byteRemapRGBA[] = { 3, 0, 1, 2 }; // int byteRemapRGBA[] = { 3, 0, 1, 2 };
// int byteRemapBGRA[] = { 3, 2, 1, 0 }; // int byteRemapBGRA[] = { 3, 2, 1, 0 };
@ -484,7 +485,24 @@ void Texture::transferFromBuffer(intArray buffer) {
// #endif // #endif
int* byteRemap = ((format == TFMT_BGRA) ? byteRemapBGRA : byteRemapRGBA); int* byteRemap = ((format == TFMT_BGRA) ? byteRemapBGRA : byteRemapRGBA);
for (int z = 0; z < depth; z++) { int totalPixels = width * height * depth;
for (int i = 0; i < totalPixels; i++){
int pixel = buffer[i];
int offset = i * 4;
data[0]->put(offset + byteRemap[0], (uint8_t)((pixel >> 24) & 0xff));
data[0]->put(offset + byteRemap[1], (uint8_t)((pixel >> 16) & 0xff));
data[0]->put(offset + byteRemap[2], (uint8_t)((pixel >> 8) & 0xff));
data[0]->put(offset + byteRemap[3], (uint8_t)((pixel >> 0) & 0xff));
data[0]->position(totalPixels * 4);
data[0]->limit(totalPixels * 4);
updateOnGPU();
}
/* for (int z = 0; z < depth; z++) {
int plane = z * height * width * 4; int plane = z * height * width * 4;
for (int y = 0; y < height; y++) { for (int y = 0; y < height; y++) {
int column = plane + y * width * 4; int column = plane + y * width * 4;
@ -504,6 +522,7 @@ void Texture::transferFromBuffer(intArray buffer) {
} }
data[0]->position(width * height * depth * 4); data[0]->position(width * height * depth * 4);
*/
updateOnGPU(); updateOnGPU();
} }