mirrors/raylib
1
0
Fork 0
mirror of https://github.com/raysan5/raylib.git synced 2025-12-24 23:29:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

[rl_gputex.h] Possibly fixed the swizzling in rl_load_dds_from_memory() function (#5422)

Browse Source 
* Possibly fixed the swizzling bug

* Removed examples, and generation.
This commit is contained in:
Michael Smith
2025-12-23 11:10:55 -05:00
committed by GitHub
parent 6a701b2679
commit 0a4583ca54
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/external/rl_gputex.h vendored
View File

@@ -308,7 +308,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_
unsigned char alpha = 0;
// NOTE: Data comes as A1R5G5B5, it must be reordered to R5G5B5A1
for (int i = 0; i < image_pixel_size; i++)
for (int i = 0; i < data_size/sizeof(unsigned short); i++)
{
alpha = ((unsigned short *)image_data)[i] >> 15;
((unsigned short *)image_data)[i] = ((unsigned short *)image_data)[i] << 1;
@@ -328,7 +328,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_
unsigned char alpha = 0;
// NOTE: Data comes as A4R4G4B4, it must be reordered R4G4B4A4
for (int i = 0; i < image_pixel_size; i++)
for (int i = 0; i < data_size/sizeof(unsigned short); i++)
{
alpha = ((unsigned short *)image_data)[i] >> 12;
((unsigned short *)image_data)[i] = ((unsigned short *)image_data)[i] << 4;
@@ -362,7 +362,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_
// NOTE: Data comes as A8R8G8B8, it must be reordered R8G8B8A8 (view next comment)
// DirecX understand ARGB as a 32bit DWORD but the actual memory byte alignment is BGRA
// So, we must realign B8G8R8A8 to R8G8B8A8
for (int i = 0; i < image_pixel_size*4; i += 4)
for (int i = 0; i < data_size; i += 4)
{
blue = ((unsigned char *)image_data)[i];
((unsigned char *)image_data)[i] = ((unsigned char *)image_data)[i + 2];