[Mesa-dev] [PATCH 2/2] virgl: use bits in caps set v2

[gurchetansingh at chromium.org]

Let's add another field to caps v2, that can help report boolean
values.

Suggested-by: Gert Wollny <gert.wollny at collabora.com>
Suggested-by: Dave Airlie <airlied at redhat.com>
---
 src/gallium/drivers/virgl/virgl_hw.h     | 5 +++++
 src/gallium/drivers/virgl/virgl_winsys.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/gallium/drivers/virgl/virgl_hw.h b/src/gallium/drivers/virgl/virgl_hw.h
index a2c70bf86b..ee58520f9b 100644
--- a/src/gallium/drivers/virgl/virgl_hw.h
+++ b/src/gallium/drivers/virgl/virgl_hw.h
@@ -197,6 +197,10 @@ enum virgl_formats {
    VIRGL_FORMAT_MAX,
 };
 
+/* These are used by the capability_bits field in virgl_caps_v2. */
+#define VIRGL_CAP_NONE 0
+#define VIRGL_CAP_TGSI_INVARIANT       (1 << 0)
+
 #define VIRGL_BIND_DEPTH_STENCIL (1 << 0)
 #define VIRGL_BIND_RENDER_TARGET (1 << 1)
 #define VIRGL_BIND_SAMPLER_VIEW  (1 << 3)
@@ -293,6 +297,7 @@ struct virgl_caps_v2 {
         uint32_t texture_buffer_offset_alignment;
         uint32_t uniform_buffer_offset_alignment;
         uint32_t shader_buffer_offset_alignment;
+        uint32_t capability_bits;
 };
 
 union virgl_caps {
diff --git a/src/gallium/drivers/virgl/virgl_winsys.h b/src/gallium/drivers/virgl/virgl_winsys.h
index 83cb93138a..9ebb31a1e4 100644
--- a/src/gallium/drivers/virgl/virgl_winsys.h
+++ b/src/gallium/drivers/virgl/virgl_winsys.h
@@ -135,5 +135,6 @@ static inline void virgl_ws_fill_new_caps_defaults(struct virgl_drm_caps *caps)
    caps->caps.v2.texture_buffer_offset_alignment = 0;
    caps->caps.v2.uniform_buffer_offset_alignment = 256;
    caps->caps.v2.shader_buffer_offset_alignment = 32;
+   caps->caps.v2.capability_bits = 0;
 }
 #endif
-- 
2.13.5