6 files changed, 36 insertions, 7 deletions

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 9ebfe54c76d..f86e4d4e3af 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -482,19 +482,27 @@ static void evergreen_set_ps_sampler_view(struct pipe_context *ctx, unsigned cou
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 	struct r600_pipe_sampler_view **resource = (struct r600_pipe_sampler_view **)views;
 	int i;
+	int has_depth = 0;
 
 	for (i = 0; i < count; i++) {
 		if (&rctx->ps_samplers.views[i]->base != views[i]) {
-			if (resource[i])
+			if (resource[i]) {
+				if (((struct r600_resource_texture *)resource[i]->base.texture)->depth)
+					has_depth = 1;
 				evergreen_context_pipe_state_set_ps_resource(&rctx->ctx, &resource[i]->state,
 									     i + R600_MAX_CONST_BUFFERS);
-			else
+			} else
 				evergreen_context_pipe_state_set_ps_resource(&rctx->ctx, NULL,
 									     i + R600_MAX_CONST_BUFFERS);
 
 			pipe_sampler_view_reference(
 				(struct pipe_sampler_view **)&rctx->ps_samplers.views[i],
 				views[i]);
+		} else {
+			if (resource[i]) {
+				if (((struct r600_resource_texture *)resource[i]->base.texture)->depth)
+					has_depth = 1;
+			}
 		}
 	}
 	for (i = count; i < NUM_TEX_UNITS; i++) {
@@ -504,6 +512,7 @@ static void evergreen_set_ps_sampler_view(struct pipe_context *ctx, unsigned cou
 			pipe_sampler_view_reference((struct pipe_sampler_view **)&rctx->ps_samplers.views[i], NULL);
 		}
 	}
+	rctx->have_depth_texture = has_depth;
 	rctx->ps_samplers.n_views = count;
 }
 
@@ -689,6 +698,9 @@ static void evergreen_cb(struct r600_pipe_context *rctx, struct r600_pipe_state
 	surf = (struct r600_surface *)state->cbufs[cb];
 	rtex = (struct r600_resource_texture*)state->cbufs[cb]->texture;
 
+	if (rtex->depth)
+		rctx->have_depth_fb = TRUE;
+
 	if (rtex->depth && !rtex->is_flushing_texture) {
 	        r600_texture_depth_flush(&rctx->context, state->cbufs[cb]->texture, TRUE);
 		rtex = rtex->flushed_depth_texture;
@@ -870,6 +882,7 @@ static void evergreen_set_framebuffer_state(struct pipe_context *ctx,
 	util_copy_framebuffer_state(&rctx->framebuffer, state);
 
 	/* build states */
+	rctx->have_depth_fb = 0;
 	for (int i = 0; i < state->nr_cbufs; i++) {
 		evergreen_cb(rctx, rstate, state, i);
 	}
diff --git a/src/gallium/drivers/r600/r600.h b/src/gallium/drivers/r600/r600.h
index bf7138d9e4e..225c17c2540 100644
--- a/src/gallium/drivers/r600/r600.h
+++ b/src/gallium/drivers/r600/r600.h
@@ -261,6 +261,7 @@ struct r600_context {
 	struct r600_range vs_resources;
 	struct r600_range fs_resources;
 	int num_ps_resources, num_vs_resources, num_fs_resources;
+	boolean			have_depth_texture, have_depth_fb;
 };
 
 struct r600_draw {
diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index 151f48a8bf8..e9f35c10ac1 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -121,8 +121,6 @@ void r600_flush_depth_textures(struct r600_pipe_context *rctx)
 {
 	unsigned int i;
 
-	if (rctx->blit) return;
-
 	/* FIXME: This handles fragment shader textures only. */
 
 	for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index 332f932013a..5e534ca905c 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -204,6 +204,7 @@ struct r600_pipe_context {
 	struct u_vbuf_mgr		*vbuf_mgr;
 	struct util_slab_mempool	pool_transfers;
 	boolean				blit;
+	boolean				have_depth_texture, have_depth_fb;
 
 	unsigned default_ps_gprs, default_vs_gprs;
 };
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 98f5c511f5b..3b6e2dc99a5 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -518,13 +518,16 @@ static void r600_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 	struct r600_pipe_sampler_view **resource = (struct r600_pipe_sampler_view **)views;
 	int i;
+	int has_depth = 0;
 
 	for (i = 0; i < count; i++) {
 		if (&rctx->ps_samplers.views[i]->base != views[i]) {
-			if (resource[i])
+			if (resource[i]) {
+				if (((struct r600_resource_texture *)resource[i]->base.texture)->depth)
+					has_depth = 1;
 				r600_context_pipe_state_set_ps_resource(&rctx->ctx, &resource[i]->state,
 									i + R600_MAX_CONST_BUFFERS);
-			else
+			} else
 				r600_context_pipe_state_set_ps_resource(&rctx->ctx, NULL,
 									i + R600_MAX_CONST_BUFFERS);
 
@@ -532,6 +535,11 @@ static void r600_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
 				(struct pipe_sampler_view **)&rctx->ps_samplers.views[i],
 				views[i]);
 
+		} else {
+			if (resource[i]) {
+				if (((struct r600_resource_texture *)resource[i]->base.texture)->depth)
+					has_depth = 1;
+			}
 		}
 	}
 	for (i = count; i < NUM_TEX_UNITS; i++) {
@@ -541,6 +549,7 @@ static void r600_set_ps_sampler_view(struct pipe_context *ctx, unsigned count,
 			pipe_sampler_view_reference((struct pipe_sampler_view **)&rctx->ps_samplers.views[i], NULL);
 		}
 	}
+	rctx->have_depth_texture = has_depth;
 	rctx->ps_samplers.n_views = count;
 }
 
@@ -724,6 +733,9 @@ static void r600_cb(struct r600_pipe_context *rctx, struct r600_pipe_state *rsta
 	surf = (struct r600_surface *)state->cbufs[cb];
 	rtex = (struct r600_resource_texture*)state->cbufs[cb]->texture;
 
+	if (rtex->depth)
+		rctx->have_depth_fb = TRUE;
+
 	if (rtex->depth && !rtex->is_flushing_texture) {
 	        r600_texture_depth_flush(&rctx->context, state->cbufs[cb]->texture, TRUE);
 		rtex = rtex->flushed_depth_texture;
@@ -886,6 +898,7 @@ static void r600_set_framebuffer_state(struct pipe_context *ctx,
 	util_copy_framebuffer_state(&rctx->framebuffer, state);
 
 	/* build states */
+	rctx->have_depth_fb = 0;
 	for (int i = 0; i < state->nr_cbufs; i++) {
 		r600_cb(rctx, rstate, state, i);
 	}
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 1eb9389bade..d58c1f0656c 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -530,7 +530,10 @@ void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 	struct r600_drawl draw = {};
 	unsigned prim;
 
-	r600_flush_depth_textures(rctx);
+	if (!rctx->blit) {
+		if (rctx->have_depth_fb || rctx->have_depth_texture)
+			r600_flush_depth_textures(rctx);
+	}
 	u_vbuf_mgr_draw_begin(rctx->vbuf_mgr, info, NULL, NULL);
 	r600_vertex_buffer_update(rctx);