diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_surface.c')
| -rwxr-xr-x | src/mesa/pipe/softpipe/sp_surface.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c index b06f6813c0..574b474ba3 100755 --- a/src/mesa/pipe/softpipe/sp_surface.c +++ b/src/mesa/pipe/softpipe/sp_surface.c @@ -695,6 +695,42 @@ s8z24_write_quad_stencil(struct softpipe_surface *sps, } +/** + * Note, the actual returned pixels are uint, not float + */ +static void +s8z24_get_tile(struct pipe_surface *ps, + unsigned x, unsigned y, unsigned w, unsigned h, float *p) +{ + const uint *src + = ((const uint *) (ps->region->map + ps->offset)) + + y * ps->region->pitch + x; + unsigned i, j; + unsigned w0 = w; + + assert(ps->format == PIPE_FORMAT_S8_Z24); + +#if 0 + assert(x + w <= ps->width); + assert(y + h <= ps->height); +#else + /* temp clipping hack */ + if (x + w > ps->width) + w = ps->width - x; + if (y + h > ps->height) + h = ps->height -y; +#endif + for (i = 0; i < h; i++) { + uint *pRow = (uint *) p; + for (j = 0; j < w; j++) { + pRow[j] = src[j]; + } + src += ps->region->pitch; + p += w0; + } +} + + /*** PIPE_FORMAT_U_S8 ***/ static void @@ -784,6 +820,7 @@ softpipe_init_surface_funcs(struct softpipe_surface *sps) sps->write_quad_z = s8z24_write_quad_z; sps->read_quad_stencil = s8z24_read_quad_stencil; sps->write_quad_stencil = s8z24_write_quad_stencil; + sps->surface.get_tile = s8z24_get_tile; break; case PIPE_FORMAT_U_S8: |