diff options
Diffstat (limited to 'src/mesa/state_tracker/st_draw.h')
| -rw-r--r-- | src/mesa/state_tracker/st_draw.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_draw.h b/src/mesa/state_tracker/st_draw.h index 659c3ac834..da04fce8e2 100644 --- a/src/mesa/state_tracker/st_draw.h +++ b/src/mesa/state_tracker/st_draw.h @@ -64,4 +64,19 @@ st_feedback_draw_vbo(GLcontext *ctx, extern GLuint st_pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized); + +/** + * When drawing with VBOs, the addresses specified with + * glVertex/Color/TexCoordPointer() are really offsets into the VBO, not real + * addresses. At some point we need to convert those pointers to offsets. + * This function is basically a cast wrapper to avoid warnings when building + * in 64-bit mode. + */ +static INLINE unsigned +pointer_to_offset(const void *ptr) +{ + return (unsigned) (((unsigned long) ptr) & 0xffffffffUL); +} + + #endif |