virgl: Add support for ARB_pipeline_statistics

v2: make sure the PIPE enums map corretly to the VIRGL enums (Tintou)

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23121>

src/virtio/virtio-gpu/virgl_hw.h

@@ -468,6 +468,8 @@ enum virgl_formats {
 #define VIRGL_CAP_V2_TEXTURE_SHADOW_LOD   (1 << 10)
 #define VIRGL_CAP_V2_VS_VERTEX_LAYER      (1 << 11)
 #define VIRGL_CAP_V2_VS_VIEWPORT_INDEX    (1 << 12)
+#define VIRGL_CAP_V2_PIPELINE_STATISTICS_QUERY (1 << 13)
+
 /* virgl bind flags - these are compatible with mesa 10.5 gallium.
  * but are fixed, no other should be passed to virgl either.
  */
@@ -679,6 +681,20 @@ enum virgl_ctx_errors {
         VIRGL_ERROR_CTX_ILLEGAL_DUAL_SRC_BLEND
 };
 
+enum virgl_statistics_query_index {
+   VIRGL_STAT_QUERY_IA_VERTICES = 0,
+   VIRGL_STAT_QUERY_IA_PRIMITIVES = 1,
+   VIRGL_STAT_QUERY_VS_INVOCATIONS = 2,
+   VIRGL_STAT_QUERY_GS_INVOCATIONS = 3,
+   VIRGL_STAT_QUERY_GS_PRIMITIVES = 4,
+   VIRGL_STAT_QUERY_C_INVOCATIONS = 5,
+   VIRGL_STAT_QUERY_C_PRIMITIVES = 6,
+   VIRGL_STAT_QUERY_PS_INVOCATIONS = 7,
+   VIRGL_STAT_QUERY_HS_INVOCATIONS = 8,
+   VIRGL_STAT_QUERY_DS_INVOCATIONS = 9,
+   VIRGL_STAT_QUERY_CS_INVOCATIONS = 10,
+};
+
 /**
  * Flags for the driver about resource behaviour:
  */