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r300g: don't set other HyperZ states if depth and stencil tests are disabled

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Such as HiZ.
This commit is contained in:
Marek Olšák
2011-05-14 05:58:35 +02:00
parent fdd37af3f7
commit 19f59dd413
1 changed files with 29 additions and 16 deletions
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src/gallium/drivers/r300/r300_hyperz.c
+29 -16
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@@ -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;
/* 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_RD_COMP_ENABLE;
return;
}
/* 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;
}
/* Zbuffer compression. */
if (r300->zmask_in_use && !r300->locked_zbuffer) {
z->zb_bw_cntl |= R300_FAST_FILL_ENABLE |
/*R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE |*/
R300_RD_COMP_ENABLE;
if (!r300->zmask_decompress) {
z->zb_bw_cntl |= R300_WR_COMP_ENABLE;
}
}
if (zstex->tex.zcomp8x8[fb->zsbuf->u.tex.level]) {
z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8;
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;
}
}
/*****************************************************************************/