diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/r300/r300_blit.c | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index d44f53ec6f3..00756c771c9 100644 --- a/src/gallium/drivers/r300/r300_blit.c +++ b/src/gallium/drivers/r300/r300_blit.c @@ -21,6 +21,8 @@ * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "r300_context.h" +#include "r300_emit.h" +#include "r300_hyperz.h" #include "r300_texture.h" #include "r300_winsys.h" @@ -177,8 +179,7 @@ static void r300_clear(struct pipe_context* pipe, /* Enable fast Z clear. * The zbuffer must be in micro-tiled mode, otherwise it locks up. */ - if ((buffers & (PIPE_CLEAR_DEPTH|PIPE_CLEAR_STENCIL)) && has_hyperz) { - + if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && has_hyperz) { hyperz_dcv = hyperz->zb_depthclearvalue = r300_depth_clear_value(fb->zsbuf->format, depth, stencil); @@ -206,13 +207,40 @@ static void r300_clear(struct pipe_context* pipe, } /* Clear. */ - r300_blitter_begin(r300, R300_CLEAR); - util_blitter_clear(r300->blitter, - width, - height, - fb->nr_cbufs, - buffers, rgba, depth, stencil); - r300_blitter_end(r300); + if (buffers) { + /* Clear using the blitter. */ + r300_blitter_begin(r300, R300_CLEAR); + util_blitter_clear(r300->blitter, + width, + height, + fb->nr_cbufs, + buffers, rgba, depth, stencil); + r300_blitter_end(r300); + } else if (r300->zmask_clear.dirty) { + /* Just clear zmask and hiz now, this does not use a standard draw + * procedure. */ + unsigned dwords; + + /* Calculate zmask_clear and hiz_clear atom sizes. */ + r300_update_hyperz_state(r300); + dwords = r300->zmask_clear.size + + (r300->hiz_clear.dirty ? r300->hiz_clear.size : 0) + + r300_get_num_cs_end_dwords(r300); + + /* Reserve CS space. */ + if (dwords > (r300->cs->ndw - r300->cs->cdw)) { + r300->context.flush(&r300->context, 0, NULL); + } + + /* Emit clear packets. */ + r300_emit_zmask_clear(r300, r300->zmask_clear.size, + r300->zmask_clear.state); + if (r300->hiz_clear.dirty) + r300_emit_hiz_clear(r300, r300->hiz_clear.size, + r300->hiz_clear.state); + } else { + assert(0); + } /* Disable CBZB clear. */ if (r300->cbzb_clear) { |