radeonsi: assert that the DB format is valid (v2)

Assert that the DB format is valid and default to
the INVALID hw format rather than ~0U when the format
doesn't match for non-debug builds.

v2: use INVALID hw format rather than ~0U

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index e7a4005..fbc636d 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1109,7 +1109,7 @@ static uint32_t si_translate_dbformat(enum pipe_format format)
        case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
                return V_028040_Z_32_FLOAT;
        default:
-               return ~0U;
+               return V_028040_Z_INVALID;
        }
 }
 
@@ -1438,7 +1438,7 @@ static bool si_is_colorbuffer_format_supported(enum pipe_format format)
 
 static bool si_is_zs_format_supported(enum pipe_format format)
 {
-       return si_translate_dbformat(format) != ~0U;
+       return si_translate_dbformat(format) != V_028040_Z_INVALID;
 }
 
 boolean si_is_format_supported(struct pipe_screen *screen,
@@ -1687,6 +1687,8 @@ static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
 
        format = si_translate_dbformat(rtex->real_format);
 
+       assert(format != V_028040_Z_INVALID);
+
        z_offs = r600_resource_va(rctx->context.screen, surf->base.texture);
        z_offs += rtex->surface.level[level].offset;
 
@@ -1739,12 +1741,7 @@ static void si_db(struct r600_context *rctx, struct si_pm4_state *pm4,
                       S_028008_SLICE_MAX(state->zsbuf->u.tex.last_layer));
 
        si_pm4_set_reg(pm4, R_02803C_DB_DEPTH_INFO, 0x1);
-       if (format != ~0U) {
-               si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, z_info);
-
-       } else {
-               si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, 0);
-       }
+       si_pm4_set_reg(pm4, R_028040_DB_Z_INFO, z_info);
 
        if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
                si_pm4_set_reg(pm4, R_028044_DB_STENCIL_INFO, s_info);