From c8240c9dea7f0061a6a24cb5d234f0a639170515 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Tue, 25 Jun 2013 15:36:15 +0800
Subject: [PATCH] ilo: honor render condition in blitter

Make pass_render_condition() available for blitter, and check for render
condition in (and only in) clear(), clear_render_target(), and
clear_depth_stencil().
---
 src/gallium/drivers/ilo/ilo_3d.c           | 15 +++++++--------
 src/gallium/drivers/ilo/ilo_3d.h           |  3 +++
 src/gallium/drivers/ilo/ilo_blitter_blt.c  |  7 +++++++
 src/gallium/drivers/ilo/ilo_blitter_pipe.c |  6 ++++++
 4 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/src/gallium/drivers/ilo/ilo_3d.c b/src/gallium/drivers/ilo/ilo_3d.c
index 6223de9..9ce6b75f 100644
--- a/src/gallium/drivers/ilo/ilo_3d.c
+++ b/src/gallium/drivers/ilo/ilo_3d.c
@@ -426,9 +426,10 @@ update_prim_count(struct ilo_3d *hw3d, int generated, int emitted)
       q->data.u64 += emitted;
 }
 
-static bool
-pass_render_condition(struct ilo_3d *hw3d, struct pipe_context *pipe)
+bool
+ilo_3d_pass_render_condition(struct ilo_context *ilo)
 {
+   struct ilo_3d *hw3d = ilo->hw3d;
    uint64_t result;
    bool wait;
 
@@ -447,13 +448,11 @@ pass_render_condition(struct ilo_3d *hw3d, struct pipe_context *pipe)
       break;
    }
 
-   if (pipe->get_query_result(pipe, hw3d->render_condition.query,
-            wait, (union pipe_query_result *) &result)) {
+   if (ilo->base.get_query_result(&ilo->base, hw3d->render_condition.query,
+            wait, (union pipe_query_result *) &result))
       return (!result == hw3d->render_condition.cond);
-   }
-   else {
+   else
       return true;
-   }
 }
 
 #define UPDATE_MIN2(a, b) (a) = MIN2((a), (b))
@@ -698,7 +697,7 @@ ilo_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
    struct ilo_3d *hw3d = ilo->hw3d;
    int prim_generated, prim_emitted;
 
-   if (!pass_render_condition(hw3d, pipe))
+   if (!ilo_3d_pass_render_condition(ilo))
       return;
 
    if (info->primitive_restart && info->indexed) {
diff --git a/src/gallium/drivers/ilo/ilo_3d.h b/src/gallium/drivers/ilo/ilo_3d.h
index 2c86153..f73b817 100644
--- a/src/gallium/drivers/ilo/ilo_3d.h
+++ b/src/gallium/drivers/ilo/ilo_3d.h
@@ -82,6 +82,9 @@ ilo_3d_end_query(struct ilo_context *ilo, struct ilo_query *q);
 void
 ilo_3d_process_query(struct ilo_context *ilo, struct ilo_query *q);
 
+bool
+ilo_3d_pass_render_condition(struct ilo_context *ilo);
+
 void
 ilo_init_3d_functions(struct ilo_context *ilo);
 
diff --git a/src/gallium/drivers/ilo/ilo_blitter_blt.c b/src/gallium/drivers/ilo/ilo_blitter_blt.c
index 55fc68b..80c0dcc 100644
--- a/src/gallium/drivers/ilo/ilo_blitter_blt.c
+++ b/src/gallium/drivers/ilo/ilo_blitter_blt.c
@@ -28,6 +28,7 @@
 #include "util/u_pack_color.h"
 #include "intel_reg.h"
 
+#include "ilo_3d.h"
 #include "ilo_context.h"
 #include "ilo_cp.h"
 #include "ilo_resource.h"
@@ -692,6 +693,9 @@ ilo_blitter_blt_clear_rt(struct ilo_blitter *blitter,
    union util_color packed;
    bool success;
 
+   if (!ilo_3d_pass_render_condition(blitter->ilo))
+      return true;
+
    switch (cpp) {
    case 1:
       mask = GEN6_BLT_MASK_8;
@@ -753,6 +757,9 @@ ilo_blitter_blt_clear_zs(struct ilo_blitter *blitter,
    struct pipe_box box;
    uint32_t val;
 
+   if (!ilo_3d_pass_render_condition(blitter->ilo))
+      return true;
+
    switch (zs->format) {
    case PIPE_FORMAT_Z16_UNORM:
       if (!(clear_flags & PIPE_CLEAR_DEPTH))
diff --git a/src/gallium/drivers/ilo/ilo_blitter_pipe.c b/src/gallium/drivers/ilo/ilo_blitter_pipe.c
index e37231a..8ca8f08 100644
--- a/src/gallium/drivers/ilo/ilo_blitter_pipe.c
+++ b/src/gallium/drivers/ilo/ilo_blitter_pipe.c
@@ -28,6 +28,7 @@
 #include "util/u_blitter.h"
 #include "util/u_surface.h"
 
+#include "ilo_3d.h"
 #include "ilo_context.h"
 #include "ilo_blitter.h"
 
@@ -67,6 +68,11 @@ ilo_blitter_pipe_begin(struct ilo_blitter *blitter,
       util_blitter_save_rasterizer(b, (void *) ilo->rasterizer);
       util_blitter_save_framebuffer(b, &ilo->fb.state);
 
+      util_blitter_save_render_condition(b,
+            ilo->hw3d->render_condition.query,
+            ilo->hw3d->render_condition.cond,
+            ilo->hw3d->render_condition.mode);
+
       util_blitter_save_fragment_sampler_states(b,
             ilo->sampler[PIPE_SHADER_FRAGMENT].count,
             (void **) ilo->sampler[PIPE_SHADER_FRAGMENT].cso);
-- 
2.7.4