diff --git a/src/rlgl.h b/src/rlgl.h index dee4d501f..6dee60f95 100644 --- a/src/rlgl.h +++ b/src/rlgl.h @@ -3687,7 +3687,11 @@ void rlDrawVertexArray(int offset, int count) // Draw vertex array elements void rlDrawVertexArrayElements(int offset, int count, const void *buffer) { - glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, (const unsigned short *)buffer + offset); + // NOTE: Added pointer math separately from function to avoid UBSAN complaining + unsigned short *bufferPtr = (unsigned short *)buffer; + if (offset > 0) bufferPtr += offset; + + glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, (const unsigned short *)bufferPtr); } // Draw vertex array instanced @@ -3702,7 +3706,11 @@ void rlDrawVertexArrayInstanced(int offset, int count, int instances) void rlDrawVertexArrayElementsInstanced(int offset, int count, const void *buffer, int instances) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - glDrawElementsInstanced(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, (const unsigned short *)buffer + offset, instances); + // NOTE: Added pointer math separately from function to avoid UBSAN complaining + unsigned short *bufferPtr = (unsigned short *)buffer; + if (offset > 0) bufferPtr += offset; + + glDrawElementsInstanced(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, (const unsigned short *)bufferPtr, instances); #endif }