mirrors/raylib
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Review issue with mipmaps setup

Browse Source 
On DDS files mipmapCount header parameter could be unused and set to 0,
resulting in a wrong mipmap count and wrong compressed texture loading.
This commit is contained in:
raysan5 2017-08-24 20:33:30 +02:00
parent 93a4b5e851
commit b0adac96b7
1 changed files with 12 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/textures.c
View File

@ -53,6 +53,7 @@
// Default configuration flags (supported features)
//-------------------------------------------------
#define SUPPORT_FILEFORMAT_PNG
#define SUPPORT_FILEFORMAT_DDS
#define SUPPORT_FILEFORMAT_HDR
#define SUPPORT_IMAGE_MANIPULATION
//-------------------------------------------------
@ -351,7 +352,7 @@ Image LoadImageRaw(const char *fileName, int width, int height, int format, int
{
image.width = width;
image.height = height;
image.mipmaps = 0;
image.mipmaps = 1;
image.format = format;
}
@ -1881,13 +1882,7 @@ static Image LoadDDS(const char *fileName)
unsigned int reserved2;
} DDSHeader;
Image image;
image.data = NULL;
image.width = 0;
image.height = 0;
image.mipmaps = 0;
image.format = 0;
Image image = { 0 };
FILE *ddsFile = fopen(fileName, "rb");
@ -1921,7 +1916,9 @@ static Image LoadDDS(const char *fileName)
image.width = ddsHeader.width;
image.height = ddsHeader.height;
image.mipmaps = 1; // Default value, could be changed (ddsHeader.mipmapCount)
if (ddsHeader.mipmapCount == 0) image.mipmaps = 1; // Parameter not used
else image.mipmaps = ddsHeader.mipmapCount;
if (ddsHeader.ddspf.rgbBitCount == 16) // 16bit mode, no compressed
{
@ -2011,8 +2008,6 @@ static Image LoadDDS(const char *fileName)
fread(image.data, size, 1, ddsFile);
image.mipmaps = ddsHeader.mipmapCount;
switch (ddsHeader.ddspf.fourCC)
{
case FOURCC_DXT1:
@ -2067,13 +2062,7 @@ static Image LoadPKM(const char *fileName)
// NOTE: The extended width and height are the widths rounded up to a multiple of 4.
// NOTE: ETC is always 4bit per pixel (64 bit for each 4x4 block of pixels)
Image image;
image.data = NULL;
image.width = 0;
image.height = 0;
image.mipmaps = 0;
image.format = 0;
Image image = { 0 };
FILE *pkmFile = fopen(fileName, "rb");
@ -2162,12 +2151,7 @@ static Image LoadKTX(const char *fileName)
// NOTE: Before start of every mipmap data block, we have: unsigned int dataSize
Image image;
image.width = 0;
image.height = 0;
image.mipmaps = 0;
image.format = 0;
Image image = { 0 };
FILE *ktxFile = fopen(fileName, "rb");
@ -2282,13 +2266,7 @@ static Image LoadPVR(const char *fileName)
} PVRMetadata;
#endif
Image image;
image.data = NULL;
image.width = 0;
image.height = 0;
image.mipmaps = 0;
image.format = 0;
Image image = { 0 };
FILE *pvrFile = fopen(fileName, "rb");
@ -2406,13 +2384,7 @@ static Image LoadASTC(const char *fileName)
unsigned char length[3]; // Image Z-size (1 for 2D images)
} ASTCHeader;
Image image;
image.data = NULL;
image.width = 0;
image.height = 0;
image.mipmaps = 0;
image.format = 0;
Image image = { 0 };
FILE *astcFile = fopen(fileName, "rb");
@ -2437,12 +2409,11 @@ static Image LoadASTC(const char *fileName)
image.width = 0x00000000 | ((int)astcHeader.width[2] << 16) | ((int)astcHeader.width[1] << 8) | ((int)astcHeader.width[0]);
image.height = 0x00000000 | ((int)astcHeader.height[2] << 16) | ((int)astcHeader.height[1] << 8) | ((int)astcHeader.height[0]);
// NOTE: ASTC format only contains one mipmap level
image.mipmaps = 1;
TraceLog(LOG_DEBUG, "ASTC image width: %i", image.width);
TraceLog(LOG_DEBUG, "ASTC image height: %i", image.height);
TraceLog(LOG_DEBUG, "ASTC image blocks: %ix%i", astcHeader.blockX, astcHeader.blockY);
image.mipmaps = 1; // NOTE: ASTC format only contains one mipmap level
// NOTE: Each block is always stored in 128bit so we can calculate the bpp
int bpp = 128/(astcHeader.blockX*astcHeader.blockY);