1 files changed, 28 insertions, 10 deletions

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index bc6c67dd034..7127ea1ac16 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -549,6 +549,10 @@ static void*
         dsa->z_stencil_control |=
             (r300_translate_depth_stencil_function(state->depth.func) <<
                 R300_Z_FUNC_SHIFT);
+    } else {
+        /* We must enable depth test, otherwise occlusion queries won't work. */
+        dsa->z_buffer_control |= R300_Z_ENABLE;
+        dsa->z_stencil_control |= R300_ZS_ALWAYS;
     }
 
     /* Stencil buffer setup. */
@@ -632,11 +636,13 @@ static void*
     OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value);
     END_CB;
 
+    /* We must enable depth test, otherwise occlusion queries won't work.
+     * We setup a dummy zbuffer to silent the CS checker, see emit_fb_state. */
     BEGIN_CB(dsa->cb_zb_no_readwrite, 10);
     OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function);
     OUT_CB_REG_SEQ(R300_ZB_CNTL, 3);
-    OUT_CB(0);
-    OUT_CB(0);
+    OUT_CB(R300_Z_ENABLE);
+    OUT_CB(R300_ZS_ALWAYS);
     OUT_CB(0);
     OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0);
     OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value);
@@ -645,8 +651,8 @@ static void*
     BEGIN_CB(dsa->cb_fp16_zb_no_readwrite, 10);
     OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function_fp16);
     OUT_CB_REG_SEQ(R300_ZB_CNTL, 3);
-    OUT_CB(0);
-    OUT_CB(0);
+    OUT_CB(R300_Z_ENABLE);
+    OUT_CB(R300_ZS_ALWAYS);
     OUT_CB(0);
     OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0);
     OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value);
@@ -792,12 +798,14 @@ void r300_mark_fb_state_dirty(struct r300_context *r300,
     /* Now compute the fb_state atom size. */
     r300->fb_state.size = 2 + (8 * state->nr_cbufs);
 
-    if (r300->cbzb_clear)
+    if (r300->cbzb_clear) {
         r300->fb_state.size += 10;
-    else if (state->zsbuf) {
+    } else if (state->zsbuf) {
         r300->fb_state.size += 10;
         if (r300->hyperz_enabled)
             r300->fb_state.size += 8;
+    } else if (state->nr_cbufs) {
+        r300->fb_state.size += 10;
     }
 
     /* The size of the rest of atoms stays the same. */
@@ -1457,6 +1465,8 @@ r300_create_sampler_view(struct pipe_context *pipe,
     boolean dxtc_swizzle = r300_screen(pipe->screen)->caps.dxtc_swizzle;
 
     if (view) {
+        unsigned hwformat;
+
         view->base = *templ;
         view->base.reference.count = 1;
         view->base.context = pipe;
@@ -1468,11 +1478,19 @@ r300_create_sampler_view(struct pipe_context *pipe,
         view->swizzle[2] = templ->swizzle_b;
         view->swizzle[3] = templ->swizzle_a;
 
+        hwformat = r300_translate_texformat(templ->format,
+                                            view->swizzle,
+                                            is_r500,
+                                            dxtc_swizzle);
+
+        if (hwformat == ~0) {
+            fprintf(stderr, "r300: Ooops. Got unsupported format %s in %s.\n",
+                    util_format_short_name(templ->format), __func__);
+        }
+        assert(hwformat != ~0);
+
         view->format = tex->tx_format;
-        view->format.format1 |= r300_translate_texformat(templ->format,
-                                                         view->swizzle,
-                                                         is_r500,
-                                                         dxtc_swizzle);
+        view->format.format1 |= hwformat;
         if (is_r500) {
             view->format.format2 |= r500_tx_format_msb_bit(templ->format);
         }