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Added UBSAN complaint fix to rLoadTexture #1891 (#3321)

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Christopher Odom 2023-09-18 13:39:12 -04:00 • committed by GitHub
parent 4d2906b0a5
commit eb461512a7
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1 changed files with 6 additions and 2 deletions
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8
src/rlgl.h
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@ -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); 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 (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) #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 #endif
#if defined(GRAPHICS_API_OPENGL_33) #if defined(GRAPHICS_API_OPENGL_33)