OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

radeonsi: set an optimal value for DB_Z_INFO.ZRANGE_PRECISION

Browse Source 
Required because of a VI hw bug.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák
2015-04-16 20:40:31 +02:00
parent bed98eef9a
commit db2415189a
1 changed files with 2 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/gallium/drivers/radeonsi/si_state.c
View File

@@ -1948,12 +1948,6 @@ static void si_init_depth_surface(struct si_context *sctx,
z_info |= S_028040_TILE_SURFACE_ENABLE(1) |
S_028040_ALLOW_EXPCLEAR(1);
/* This is optimal for the clear value of 1.0 and using
* the LESS and LEQUAL test functions. Set this to 0
* for the opposite case. This can only be changed when
* clearing. */
z_info |= S_028040_ZRANGE_PRECISION(1);
/* Use all of the htile_buffer for depth, because we don't
* use HTILE for stencil because of FAST_STENCIL_DISABLE. */
s_info |= S_028044_TILE_STENCIL_DISABLE(1);
@@ -2183,7 +2177,8 @@ static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom
r600_write_context_reg_seq(cs, R_02803C_DB_DEPTH_INFO, 9);
radeon_emit(cs, zb->db_depth_info); /* R_02803C_DB_DEPTH_INFO */
radeon_emit(cs, zb->db_z_info); /* R_028040_DB_Z_INFO */
radeon_emit(cs, zb->db_z_info | /* R_028040_DB_Z_INFO */
S_028040_ZRANGE_PRECISION(rtex->depth_clear_value != 0));
radeon_emit(cs, zb->db_stencil_info); /* R_028044_DB_STENCIL_INFO */
radeon_emit(cs, zb->db_depth_base); /* R_028048_DB_Z_READ_BASE */
radeon_emit(cs, zb->db_stencil_base); /* R_02804C_DB_STENCIL_READ_BASE */