diff options
| author | Marek Olšák <maraeo@gmail.com> | 2011-05-14 05:58:35 +0200 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2011-05-15 03:28:32 +0200 |
| commit | 19f59dd413b52dd7db9dd0cfa2f477e25bd3608e (patch) | |
| tree | 98e506743fd91b59973d7f17bc81404fa397ba7a | |
| parent | fdd37af3f76ea3ac32f21e9a9c41979a9b33cc5c (diff) | |
r300g: don't set other HyperZ states if depth and stencil tests are disabled
Such as HiZ.
| -rw-r--r-- | src/gallium/drivers/r300/r300_hyperz.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/src/gallium/drivers/r300/r300_hyperz.c b/src/gallium/drivers/r300/r300_hyperz.c index 544aa1f066..bbff83eadc 100644 --- a/src/gallium/drivers/r300/r300_hyperz.c +++ b/src/gallium/drivers/r300/r300_hyperz.c @@ -138,6 +138,7 @@ static void r300_update_hyperz(struct r300_context* r300) (struct r300_hyperz_state*)r300->hyperz_state.state; struct pipe_framebuffer_state *fb = (struct pipe_framebuffer_state*)r300->fb_state.state; + struct r300_dsa_state *dsa = r300->dsa_state.state; struct r300_resource *zstex = fb->zsbuf ? r300_resource(fb->zsbuf->texture) : NULL; @@ -154,19 +155,37 @@ static void r300_update_hyperz(struct r300_context* r300) if (!zstex || !r300->hyperz_enabled) return; - /* Zbuffer compression. */ - if (r300->zmask_in_use && !r300->locked_zbuffer) { + /* Set the size of ZMASK tiles. */ + if (zstex->tex.zcomp8x8[fb->zsbuf->u.tex.level]) { + z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8; + } + + /* R500-specific features and optimizations. */ + if (r300->screen->caps.is_r500) { + z->zb_bw_cntl |= R500_PEQ_PACKING_ENABLE | + R500_COVERED_PTR_MASKING_ENABLE; + } + + /* Setup decompression if needed. No other HyperZ setting is required. */ + if (r300->zmask_decompress) { z->zb_bw_cntl |= R300_FAST_FILL_ENABLE | - /*R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE |*/ R300_RD_COMP_ENABLE; + return; + } - if (!r300->zmask_decompress) { - z->zb_bw_cntl |= R300_WR_COMP_ENABLE; - } + /* Do not set anything if depth and stencil tests are off. */ + if (!dsa->dsa.depth.enabled && + !dsa->dsa.stencil[0].enabled && + !dsa->dsa.stencil[1].enabled) { + assert(!dsa->dsa.depth.writemask); + return; } - if (zstex->tex.zcomp8x8[fb->zsbuf->u.tex.level]) { - z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8; + /* Zbuffer compression. */ + if (r300->zmask_in_use && !r300->locked_zbuffer) { + z->zb_bw_cntl |= R300_FAST_FILL_ENABLE | + R300_RD_COMP_ENABLE | + R300_WR_COMP_ENABLE; } /* HiZ. */ @@ -193,12 +212,6 @@ static void r300_update_hyperz(struct r300_context* r300) } } } - - /* R500-specific features and optimizations. */ - if (r300->screen->caps.is_r500) { - z->zb_bw_cntl |= R500_PEQ_PACKING_ENABLE | - R500_COVERED_PTR_MASKING_ENABLE; - } } /*****************************************************************************/ |