Added UBSAN complaint fix to rLoadTexture #1891

This commit is contained in:
Christopher Odom 2023-09-17 11:40:33 -04:00
parent 33cc18ed51
commit f0e75112dc

View File

@ -3009,11 +3009,15 @@ unsigned int rlLoadTexture(const void *data, int width, int height, int format,
TRACELOGD("TEXTURE: Load mipmap level %i (%i x %i), size: %i, offset: %i", i, mipWidth, mipHeight, mipSize, mipOffset);
// NOTE: Added pointer math separately from function to avoid UBSAN complaining
unsigned char *dataPtr = (unsigned char*)data;
if (mipOffset > 0) dataPtr = (unsigned char*)data + mipOffset;
if (glInternalFormat != -1)
{
if (format < RL_PIXELFORMAT_COMPRESSED_DXT1_RGB) glTexImage2D(GL_TEXTURE_2D, i, glInternalFormat, mipWidth, mipHeight, 0, glFormat, glType, (unsigned char *)data + mipOffset);
if (format < RL_PIXELFORMAT_COMPRESSED_DXT1_RGB) glTexImage2D(GL_TEXTURE_2D, i, glInternalFormat, mipWidth, mipHeight, 0, glFormat, glType, dataPtr);
#if !defined(GRAPHICS_API_OPENGL_11)
else glCompressedTexImage2D(GL_TEXTURE_2D, i, glInternalFormat, mipWidth, mipHeight, 0, mipSize, (unsigned char *)data + mipOffset);
else glCompressedTexImage2D(GL_TEXTURE_2D, i, glInternalFormat, mipWidth, mipHeight, 0, mipSize, dataPtr);
#endif
#if defined(GRAPHICS_API_OPENGL_33)