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png support

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aap
2020-07-23 15:06:03 +02:00
parent 4946235d49
commit 49ca300b88
10 changed files with 8566 additions and 46 deletions
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36
src/ps2/ps2raster.cpp
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@@ -1565,34 +1565,6 @@ rasterUnlockPalette(Raster *raster)
raster->privateFlags &= ~(PS2LOCK_READ_PALETTE|PS2LOCK_WRITE_PALETTE);
}
void
expandPSMT4(uint8 *dst, uint32 dststride, uint8 *src, uint32 srcstride, int32 w, int32 h)
{
int32 x, y;
for(y = 0; y < h; y++)
for(x = 0; x < w/2; x++){
dst[y*dststride + x*2 + 0] = src[y*srcstride + x] & 0xF;
dst[y*dststride + x*2 + 1] = src[y*srcstride + x] >> 4;
}
}
void
compressPSMT4(uint8 *dst, uint32 dststride, uint8 *src, uint32 srcstride, int32 w, int32 h)
{
int32 x, y;
for(y = 0; y < h; y++)
for(x = 0; x < w/2; x++)
dst[y*dststride + x] = src[y*srcstride + x*2 + 0] | src[y*srcstride + x*2 + 1] << 4;
}
void
copyPSMT8(uint8 *dst, uint32 dststride, uint8 *src, uint32 srcstride, int32 w, int32 h)
{
int32 x, y;
for(y = 0; y < h; y++)
for(x = 0; x < w; x++)
dst[y*dststride + x] = src[y*srcstride + x];
}
// Almost the same as d3d9 and gl3 function
bool32
imageFindRasterFormat(Image *img, int32 type,
@@ -1694,9 +1666,9 @@ rasterFromImage(Raster *raster, Image *image)
uint8 *src = image->pixels;
out = raster->lock(0, Raster::LOCKWRITE|Raster::LOCKNOFETCH);
if(image->depth == 4){
compressPSMT4(out, tw/2, src, image->stride, image->width, image->height);
compressPal4(out, tw/2, src, image->stride, image->width, image->height);
}else if(image->depth == 8){
copyPSMT8(out, tw, src, image->stride, image->width, image->height);
copyPal8(out, tw, src, image->stride, image->width, image->height);
}else{
for(int32 y = 0; y < image->height; y++){
in = src;
@@ -1795,9 +1767,9 @@ rasterToImage(Raster *raster)
uint8 *dst = image->pixels;
in = raster->lock(0, Raster::LOCKREAD);
if(depth == 4){
expandPSMT4(dst, image->stride, in, tw/2, raster->width, raster->height);
expandPal4(dst, image->stride, in, tw/2, raster->width, raster->height);
}else if(depth == 8){
copyPSMT8(dst, image->stride, in, tw, raster->width, raster->height);
copyPal8(dst, image->stride, in, tw, raster->width, raster->height);
}else{
for(int32 y = 0; y < image->height; y++){
out = dst;

4
src/ps2/rwps2.h
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@@ -223,9 +223,5 @@ Texture *readNativeTexture(Stream *stream);
void writeNativeTexture(Texture *tex, Stream *stream);
uint32 getSizeNativeTexture(Texture *tex);
void expandPSMT4(uint8 *dst, uint32 dststride, uint8 *src, uint32 srcstride, int32 w, int32 h);
void compressPSMT4(uint8 *dst, uint32 dststride, uint8 *src, uint32 srcstride, int32 w, int32 h);
void copyPSMT8(uint8 *dst, uint32 dststride, uint8 *src, uint32 srcstride, int32 w, int32 h);
}
}