diff options
Diffstat (limited to 'src/mesa/drivers/dri/common/depthtmp.h')
| -rw-r--r-- | src/mesa/drivers/dri/common/depthtmp.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/depthtmp.h b/src/mesa/drivers/dri/common/depthtmp.h index f3da61e519..74ebd6d5e5 100644 --- a/src/mesa/drivers/dri/common/depthtmp.h +++ b/src/mesa/drivers/dri/common/depthtmp.h @@ -64,6 +64,42 @@ static void TAG(WriteDepthSpan)( GLcontext *ctx, HW_WRITE_UNLOCK(); } +static void TAG(WriteMonoDepthSpan)( GLcontext *ctx, + GLuint n, GLint x, GLint y, + const GLdepth depth, + const GLubyte mask[] ) +{ + HW_WRITE_LOCK() + { + GLint x1; + GLint n1; + LOCAL_DEPTH_VARS; + + y = Y_FLIP( y ); + + HW_CLIPLOOP() + { + GLint i = 0; + CLIPSPAN( x, y, n, x1, n1, i ); + + if ( DBG ) fprintf( stderr, "%s %d..%d (x1 %d) = %u\n", + __FUNCTION__, (int)i, (int)n1, (int)x1, (uint)depth ); + + if ( mask ) { + for ( ; i < n1 ; i++, x1++ ) { + if ( mask[i] ) WRITE_DEPTH( x1, y, depth ); + } + } else { + for ( ; i < n1 ; i++, x1++ ) { + WRITE_DEPTH( x1, y, depth ); + } + } + } + HW_ENDCLIPLOOP(); + } + HW_WRITE_UNLOCK(); +} + static void TAG(WriteDepthPixels)( GLcontext *ctx, GLuint n, const GLint x[], |