This commit is contained in:
Subv 2015-08-16 20:56:42 -05:00
parent c5f0d83ed4
commit bb772870d5
2 changed files with 46 additions and 32 deletions

View file

@ -33,4 +33,48 @@ void DumpTGA(std::string filename, short width, short height, u8* raw_data) {
fclose(fout);
}
template<typename T>
void CopyTextureAndTile(const T* src, T* dst, unsigned int width, unsigned int height) {
for (unsigned int y = 0; y + 8 <= height; y += 8) {
for (unsigned int x = 0; x + 8 <= width; x += 8) {
const T* line = &src[y * width + x];
for (unsigned int yy = 0; yy < 8; ++yy) {
for (unsigned int xx = 0; xx < 8; ++xx) {
dst[morton_lut[yy * 8 + xx]] = line[xx];
}
line += width;
}
dst += 8 * 8;
}
}
}
template void CopyTextureAndTile<u16>(const u16* src, u16* dst, unsigned int width, unsigned int height);
template void CopyTextureAndTile<u24_be>(const u24_be* src, u24_be* dst, unsigned int width, unsigned int height);
template void CopyTextureAndTile<u32>(const u32* src, u32* dst, unsigned int width, unsigned int height);
template<typename T>
void CopyTextureAndUntile(const T* src, T* dst, unsigned int width, unsigned int height) {
for (unsigned int y = 0; y + 8 <= height; y += 8) {
for (unsigned int x = 0; x + 8 <= width; x += 8) {
T* line = &dst[y * width + x];
for (unsigned int yy = 0; yy < 8; ++yy) {
for (unsigned int xx = 0; xx < 8; ++xx) {
line[xx] = src[morton_lut[yy * 8 + xx]];
}
line += width;
}
src += 8 * 8;
}
}
}
template void CopyTextureAndUntile<u16>(const u16* src, u16* dst, unsigned int width, unsigned int height);
template void CopyTextureAndUntile<u24_be>(const u24_be* src, u24_be* dst, unsigned int width, unsigned int height);
template void CopyTextureAndUntile<u32>(const u32* src, u32* dst, unsigned int width, unsigned int height);
} // namespace

View file

@ -68,22 +68,7 @@ static inline u32 MortonInterleave(u32 x, u32 y) {
* @param height Height of the texture, should be a multiple of 8.
*/
template<typename T>
static inline void CopyTextureAndTile(const T* src, T* dst, unsigned int width, unsigned int height) {
for (unsigned int y = 0; y + 8 <= height; y += 8) {
for (unsigned int x = 0; x + 8 <= width; x += 8) {
const T* line = &src[y * width + x];
for (unsigned int yy = 0; yy < 8; ++yy) {
for (unsigned int xx = 0; xx < 8; ++xx) {
dst[morton_lut[yy * 8 + xx]] = line[xx];
}
line += width;
}
dst += 8 * 8;
}
}
}
void CopyTextureAndTile(const T* src, T* dst, unsigned int width, unsigned int height);
/**
* Copies texture data while undoing the transformation applied by `CopyTextureAndTile`.
@ -96,22 +81,7 @@ static inline void CopyTextureAndTile(const T* src, T* dst, unsigned int width,
* @param height Height of the texture, should be a multiple of 8.
*/
template<typename T>
static inline void CopyTextureAndUntile(const T* src, T* dst, unsigned int width, unsigned int height) {
for (unsigned int y = 0; y + 8 <= height; y += 8) {
for (unsigned int x = 0; x + 8 <= width; x += 8) {
T* line = &dst[y * width + x];
for (unsigned int yy = 0; yy < 8; ++yy) {
for (unsigned int xx = 0; xx < 8; ++xx) {
line[xx] = src[morton_lut[yy * 8 + xx]];
}
line += width;
}
src += 8 * 8;
}
}
}
void CopyTextureAndUntile(const T* src, T* dst, unsigned int width, unsigned int height);
/**
* Calculates the offset of the position of the pixel in Morton order