From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Thu, 20 Sep 2012 09:41:23 +0000 (+0200)
Subject: st/xa: Add new map flags
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3e2b0f801d7c8d80f6c0d9da3813d7ed8b84e3dd;p=mesa.git

st/xa: Add new map flags

Replicate some of the gallium pipe transfer functionality.
Also bump minor to signal availability of this feature.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
---

diff --git a/configure.ac b/configure.ac
index c14d39a285a..64816271e1f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1943,7 +1943,7 @@ AC_SUBST([XVMC_MAJOR], 1)
 AC_SUBST([XVMC_MINOR], 0)
 
 AC_SUBST([XA_MAJOR], 2)
-AC_SUBST([XA_MINOR], 0)
+AC_SUBST([XA_MINOR], 1)
 AC_SUBST([XA_TINY], 0)
 AC_SUBST([XA_VERSION], "$XA_MAJOR.$XA_MINOR.$XA_TINY")
 
diff --git a/src/gallium/state_trackers/xa/xa_context.c b/src/gallium/state_trackers/xa/xa_context.c
index 50ef469ed6d..c2dc53bd83a 100644
--- a/src/gallium/state_trackers/xa/xa_context.c
+++ b/src/gallium/state_trackers/xa/xa_context.c
@@ -132,7 +132,7 @@ xa_surface_map(struct xa_context *ctx,
 	       struct xa_surface *srf, unsigned int usage)
 {
     void *map;
-    unsigned int transfer_direction = 0;
+    unsigned int gallium_usage = 0;
     struct pipe_context *pipe = ctx->pipe;
 
     /*
@@ -142,15 +142,23 @@ xa_surface_map(struct xa_context *ctx,
 	return NULL;
 
     if (usage & XA_MAP_READ)
-	transfer_direction |= PIPE_TRANSFER_READ;
+	gallium_usage |= PIPE_TRANSFER_READ;
     if (usage & XA_MAP_WRITE)
-	transfer_direction |= PIPE_TRANSFER_WRITE;
-
-    if (!transfer_direction)
+	gallium_usage |= PIPE_TRANSFER_WRITE;
+    if (usage & XA_MAP_MAP_DIRECTLY)
+	gallium_usage |= PIPE_TRANSFER_MAP_DIRECTLY;
+    if (usage & XA_MAP_UNSYNCHRONIZED)
+	gallium_usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
+    if (usage & XA_MAP_DONTBLOCK)
+	gallium_usage |= PIPE_TRANSFER_DONTBLOCK;
+    if (usage & XA_MAP_DISCARD_WHOLE_RESOURCE)
+	gallium_usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+
+    if (!(gallium_usage & (PIPE_TRANSFER_READ_WRITE)))
 	return NULL;
 
     map = pipe_transfer_map(pipe, srf->tex, 0, 0,
-                            transfer_direction, 0, 0,
+                            gallium_usage, 0, 0,
                             srf->tex->width0, srf->tex->height0,
                             &srf->transfer);
     if (!map)
diff --git a/src/gallium/state_trackers/xa/xa_tracker.h b/src/gallium/state_trackers/xa/xa_tracker.h
index 1230dabc8f4..43e56ff0c77 100644
--- a/src/gallium/state_trackers/xa/xa_tracker.h
+++ b/src/gallium/state_trackers/xa/xa_tracker.h
@@ -37,15 +37,19 @@
 #include <stdint.h>
 
 #define XA_TRACKER_VERSION_MAJOR 2
-#define XA_TRACKER_VERSION_MINOR 0
+#define XA_TRACKER_VERSION_MINOR 1
 #define XA_TRACKER_VERSION_PATCH 0
 
 #define XA_FLAG_SHARED         (1 << 0)
 #define XA_FLAG_RENDER_TARGET  (1 << 1)
 #define XA_FLAG_SCANOUT        (1 << 2)
 
-#define XA_MAP_READ            (1 << 0)
-#define XA_MAP_WRITE           (1 << 1)
+#define XA_MAP_READ                     (1 << 0)
+#define XA_MAP_WRITE                    (1 << 1)
+#define XA_MAP_MAP_DIRECTLY             (1 << 2)
+#define XA_MAP_UNSYNCHRONIZED           (1 << 3)
+#define XA_MAP_DONTBLOCK                (1 << 4)
+#define XA_MAP_DISCARD_WHOLE_RESOURCE   (1 << 5)
 
 #define XA_ERR_NONE            0
 #define XA_ERR_NORES           1