[Mesa-dev] [PATCH 3/4] radeonsi: add support for EXT_depth_bounds_test

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_pipe.c  |  2 +-
 src/gallium/drivers/radeonsi/si_state.c | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index cd22862..9986bde 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -278,6 +278,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 	case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 	case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
+	case PIPE_CAP_DEPTH_BOUNDS_TEST:
 		return 1;
 
 	case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
@@ -324,7 +325,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 	case PIPE_CAP_SAMPLER_VIEW_TARGET:
 	case PIPE_CAP_VERTEXID_NOBASE:
-	case PIPE_CAP_DEPTH_BOUNDS_TEST:
 		return 0;
 
 	case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index d768305..c923ea7 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -838,7 +838,8 @@ static void *si_create_dsa_state(struct pipe_context *ctx,
 
 	db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
 		S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
-		S_028800_ZFUNC(state->depth.func);
+		S_028800_ZFUNC(state->depth.func) |
+		S_028800_DEPTH_BOUNDS_ENABLE(state->depth.bounds_test);
 
 	/* stencil */
 	if (state->stencil[0].enabled) {
@@ -867,9 +868,12 @@ static void *si_create_dsa_state(struct pipe_context *ctx,
 		dsa->alpha_func = PIPE_FUNC_ALWAYS;
 	}
 
-	/* misc */
 	si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control);
 	si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control);
+	if (state->depth.bounds_test) {
+		si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, fui(state->depth.bounds_min));
+		si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, fui(state->depth.bounds_max));
+	}
 
 	return dsa;
 }
@@ -3285,8 +3289,6 @@ static void si_init_config(struct si_context *sctx)
 	si_pm4_set_reg(pm4, R_028BEC_PA_CL_GB_VERT_DISC_ADJ, fui(1.0));
 	si_pm4_set_reg(pm4, R_028BF0_PA_CL_GB_HORZ_CLIP_ADJ, fui(1.0));
 	si_pm4_set_reg(pm4, R_028BF4_PA_CL_GB_HORZ_DISC_ADJ, fui(1.0));
-	si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, 0);
-	si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, 0);
 	si_pm4_set_reg(pm4, R_028028_DB_STENCIL_CLEAR, 0);
 	si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0);
 	si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0);
-- 
2.1.4