diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_blit.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_blit.c | 90 |
1 files changed, 68 insertions, 22 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c index 6f8d9abfc8..47ffc0cb3c 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" @@ -99,9 +101,6 @@ static boolean r300_cbzb_clear_allowed(struct r300_context *r300, struct pipe_framebuffer_state *fb = (struct pipe_framebuffer_state*)r300->fb_state.state; - if (r300->z_fastfill) - clear_buffers &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL); - /* Only color clear allowed, and only one colorbuffer. */ if (clear_buffers != PIPE_CLEAR_COLOR || fb->nr_cbufs != 1) return FALSE; @@ -173,22 +172,25 @@ static void r300_clear(struct pipe_context* pipe, (struct pipe_framebuffer_state*)r300->fb_state.state; struct r300_hyperz_state *hyperz = (struct r300_hyperz_state*)r300->hyperz_state.state; + struct r300_texture *zstex = + fb->zsbuf ? r300_texture(fb->zsbuf->texture) : NULL; uint32_t width = fb->width; uint32_t height = fb->height; boolean has_hyperz = r300->rws->get_value(r300->rws, R300_CAN_HYPERZ); - uint32_t hyperz_dcv = 0; + uint32_t hyperz_dcv = hyperz->zb_depthclearvalue; /* 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); r300_mark_fb_state_dirty(r300, R300_CHANGED_ZCLEAR_FLAG); - if (r300->z_compression || r300->z_fastfill) + if (zstex->zmask_mem[fb->zsbuf->level]) { r300->zmask_clear.dirty = TRUE; - if (r300->hiz_enable) + buffers &= ~PIPE_CLEAR_DEPTHSTENCIL; + } + if (zstex->hiz_mem[fb->zsbuf->level]) r300->hiz_clear.dirty = TRUE; } @@ -207,13 +209,43 @@ 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); + r300->zmask_clear.dirty = FALSE; + if (r300->hiz_clear.dirty) { + r300_emit_hiz_clear(r300, r300->hiz_clear.size, + r300->hiz_clear.state); + r300->hiz_clear.dirty = FALSE; + } + } else { + assert(0); + } /* Disable CBZB clear. */ if (r300->cbzb_clear) { @@ -222,6 +254,16 @@ static void r300_clear(struct pipe_context* pipe, r300_mark_fb_state_dirty(r300, R300_CHANGED_CBZB_FLAG); } + /* Enable fastfill and/or hiz. + * + * If we cleared zmask/hiz, it's in use now. The Hyper-Z state update + * looks if zmask/hiz is in use and enables fastfill accordingly. */ + if (zstex && + (zstex->zmask_in_use[fb->zsbuf->level] || + zstex->hiz_in_use[fb->zsbuf->level])) { + r300->hyperz_state.dirty = TRUE; + } + /* XXX this flush "fixes" a hardlock in the cubestorm xscreensaver */ if (r300->flush_counter == 0) pipe->flush(pipe, 0, NULL); @@ -259,27 +301,31 @@ static void r300_clear_depth_stencil(struct pipe_context *pipe, r300_blitter_end(r300); } -/* Clear a region of a depth stencil surface. */ -static void r300_flush_depth_stencil(struct pipe_context *pipe, - struct pipe_resource *dst, - struct pipe_subresource subdst) +/* Flush a depth stencil buffer. */ +void r300_flush_depth_stencil(struct pipe_context *pipe, + struct pipe_resource *dst, + struct pipe_subresource subdst, + unsigned zslice) { struct r300_context *r300 = r300_context(pipe); struct pipe_surface *dstsurf; struct r300_texture *tex = r300_texture(dst); - /* only flush the zmask if we have one attached to this texture */ if (!tex->zmask_mem[subdst.level]) return; + if (!tex->zmask_in_use[subdst.level]) + return; dstsurf = pipe->screen->get_tex_surface(pipe->screen, dst, - subdst.face, subdst.level, 0, + subdst.face, subdst.level, zslice, PIPE_BIND_DEPTH_STENCIL); r300->z_decomp_rd = TRUE; r300_blitter_begin(r300, R300_CLEAR_SURFACE); util_blitter_flush_depth_stencil(r300->blitter, dstsurf); r300_blitter_end(r300); r300->z_decomp_rd = FALSE; + + tex->zmask_in_use[subdst.level] = FALSE; } /* Copy a block of pixels from one surface to another using HW. */ @@ -342,7 +388,7 @@ static void r300_resource_copy_region(struct pipe_context *pipe, is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0; if (is_depth) { - r300_flush_depth_stencil(pipe, src, subsrc); + r300_flush_depth_stencil(pipe, src, subsrc, srcz); } if (old_format != new_format) { dst->format = new_format; |