diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_hyperz.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_hyperz.c | 71 |
1 files changed, 54 insertions, 17 deletions
diff --git a/src/gallium/drivers/r300/r300_hyperz.c b/src/gallium/drivers/r300/r300_hyperz.c index 10e440ce30..a471b7353b 100644 --- a/src/gallium/drivers/r300/r300_hyperz.c +++ b/src/gallium/drivers/r300/r300_hyperz.c @@ -21,12 +21,14 @@ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#include "util/u_format.h" -#include "util/u_mm.h" #include "r300_context.h" #include "r300_hyperz.h" #include "r300_reg.h" #include "r300_fs.h" +#include "r300_winsys.h" + +#include "util/u_format.h" +#include "util/u_mm.h" /* HiZ rules - taken from various docs @@ -127,6 +129,12 @@ static void r300_update_hyperz(struct r300_context* r300) { struct r300_hyperz_state *z = (struct r300_hyperz_state*)r300->hyperz_state.state; + struct pipe_framebuffer_state *fb = + (struct pipe_framebuffer_state*)r300->fb_state.state; + struct r300_texture *zstex = + fb->zsbuf ? r300_texture(fb->zsbuf->texture) : NULL; + boolean zmask_in_use = FALSE; + boolean hiz_in_use = FALSE; z->gb_z_peq_config = 0; z->zb_bw_cntl = 0; @@ -138,22 +146,32 @@ static void r300_update_hyperz(struct r300_context* r300) return; } + if (!zstex) + return; + + if (!r300->rws->get_value(r300->rws, R300_CAN_HYPERZ)) + return; + + zmask_in_use = zstex->zmask_in_use[fb->zsbuf->level]; + hiz_in_use = zstex->hiz_in_use[fb->zsbuf->level]; + + /* Z fastfill. */ + if (zmask_in_use) { + z->zb_bw_cntl |= R300_FAST_FILL_ENABLE; /* | R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE;*/ + } + /* Zbuffer compression. */ - if (r300->z_compression) { + if (zmask_in_use && r300->z_compression) { z->zb_bw_cntl |= R300_RD_COMP_ENABLE; if (r300->z_decomp_rd == false) z->zb_bw_cntl |= R300_WR_COMP_ENABLE; - /* RV350 and up optimizations. */ - if (r300->z_compression == RV350_Z_COMPRESS_88) - z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8; - } - - /* Z fastfill. */ - if (r300->z_fastfill) { - z->zb_bw_cntl |= R300_FAST_FILL_ENABLE; /* | R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE;*/ } + /* RV350 and up optimizations. */ + /* The section 10.4.9 in the docs is a lie. */ + if (r300->z_compression == RV350_Z_COMPRESS_88) + z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8; - if (r300->hiz_enable) { + if (hiz_in_use) { bool can_hiz = r300_can_hiz(r300); if (can_hiz) { z->zb_bw_cntl |= R300_HIZ_ENABLE; @@ -163,8 +181,8 @@ static void r300_update_hyperz(struct r300_context* r300) } } + /* R500-specific features and optimizations. */ if (r300->screen->caps.is_r500) { - /* XXX Are these bits really available on RV350? */ z->zb_bw_cntl |= R500_HIZ_FP_EXP_BITS_3; z->zb_bw_cntl |= R500_HIZ_EQUAL_REJECT_ENABLE | @@ -333,6 +351,12 @@ void r300_zmask_alloc_block(struct r300_context *r300, struct r300_surface *surf tex = r300_texture(surf->base.texture); + /* We currently don't handle decompression for 3D textures and cubemaps + * correctly. */ + if (tex->desc.b.b.target != PIPE_TEXTURE_1D && + tex->desc.b.b.target != PIPE_TEXTURE_2D) + return; + if (tex->zmask_mem[level]) return; @@ -349,23 +373,36 @@ void r300_zmask_alloc_block(struct r300_context *r300, struct r300_surface *surf return; } -void r300_hyperz_init_mm(struct r300_context *r300) +boolean r300_hyperz_init_mm(struct r300_context *r300) { struct r300_screen* r300screen = r300->screen; int frag_pipes = r300screen->caps.num_frag_pipes; - if (r300screen->caps.hiz_ram) + r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes); + if (!r300->zmask_mm) + return FALSE; + + if (r300screen->caps.hiz_ram) { r300->hiz_mm = u_mmInit(0, r300screen->caps.hiz_ram * frag_pipes); + if (!r300->hiz_mm) { + u_mmDestroy(r300->zmask_mm); + r300->zmask_mm = NULL; + return FALSE; + } + } - r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes); + return TRUE; } void r300_hyperz_destroy_mm(struct r300_context *r300) { struct r300_screen* r300screen = r300->screen; - if (r300screen->caps.hiz_ram) + if (r300screen->caps.hiz_ram) { u_mmDestroy(r300->hiz_mm); + r300->hiz_mm = NULL; + } u_mmDestroy(r300->zmask_mm); + r300->zmask_mm = NULL; } |