[Mesa-dev] [PATCH 1/2] panfrost: Identify MALI_OCCLUSION_PRECISE bit

[Alyssa Rosenzweig]

Setting this is required for desktop-style occlusion queries.

Signed-off-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
---
 src/gallium/drivers/panfrost/include/panfrost-job.h | 10 ++++++----
 src/gallium/drivers/panfrost/pan_context.c          |  2 +-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/gallium/drivers/panfrost/include/panfrost-job.h b/src/gallium/drivers/panfrost/include/panfrost-job.h
index dbb5486bfa4..41bdb1da2c5 100644
--- a/src/gallium/drivers/panfrost/include/panfrost-job.h
+++ b/src/gallium/drivers/panfrost/include/panfrost-job.h
@@ -71,14 +71,16 @@ enum mali_draw_mode {
 
 /* Applies to tiler_gl_enables */
 
-#define MALI_CULL_FACE_BACK  0x80
-#define MALI_CULL_FACE_FRONT 0x40
 
-#define MALI_FRONT_FACE(v) (v << 5)
+#define MALI_OCCLUSION_QUERY    (1 << 3)
+#define MALI_OCCLUSION_PRECISE  (1 << 4)
+
+#define MALI_FRONT_FACE(v)      (v << 5)
 #define MALI_CCW (0)
 #define MALI_CW  (1)
 
-#define MALI_OCCLUSION_BOOLEAN 0x8
+#define MALI_CULL_FACE_FRONT    (1 << 6)
+#define MALI_CULL_FACE_BACK     (1 << 7)
 
 /* TODO: Might this actually be a finer bitfield? */
 #define MALI_DEPTH_STENCIL_ENABLE 0x6400
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index 565e6541b6c..73e7d4aaa8f 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -1031,7 +1031,7 @@ panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data)
         }
 
         if (ctx->occlusion_query) {
-                ctx->payload_tiler.gl_enables |= MALI_OCCLUSION_BOOLEAN;
+                ctx->payload_tiler.gl_enables |= MALI_OCCLUSION_QUERY | MALI_OCCLUSION_PRECISE;
                 ctx->payload_tiler.postfix.occlusion_counter = ctx->occlusion_query->transfer.gpu;
         }
 
-- 
2.20.1