Module: Mesa
Branch: master
Commit: 9fc7de827e8a3026623645ba661b58257ddb85cf
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=9fc7de827e8a3026623645ba661b58257ddb85cf

Author: Rob Clark <[email protected]>
Date:   Thu Oct  5 17:16:35 2017 -0400

freedreno: GL_ARB_texture_barrier

Signed-off-by: Rob Clark <[email protected]>

---

 src/gallium/drivers/freedreno/freedreno_context.c | 12 ++++++++++++
 src/gallium/drivers/freedreno/freedreno_screen.c  |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/freedreno/freedreno_context.c 
b/src/gallium/drivers/freedreno/freedreno_context.c
index 20480f4f8c..60b50b26ac 100644
--- a/src/gallium/drivers/freedreno/freedreno_context.c
+++ b/src/gallium/drivers/freedreno/freedreno_context.c
@@ -67,6 +67,17 @@ fd_context_flush(struct pipe_context *pctx, struct 
pipe_fence_handle **fence,
        }
 }
 
+static void
+fd_texture_barrier(struct pipe_context *pctx, unsigned flags)
+{
+       /* On devices that could sample from GMEM we could possibly do better.
+        * Or if we knew that we were doing GMEM bypass we could just emit a
+        * cache flush, perhaps?  But we don't know if future draws would cause
+        * us to use GMEM, and a flush in bypass isn't the end of the world.
+        */
+       fd_context_flush(pctx, NULL, 0);
+}
+
 /**
  * emit marker string as payload of a no-op packet, which can be
  * decoded by cffdump.
@@ -273,6 +284,7 @@ fd_context_init(struct fd_context *ctx, struct pipe_screen 
*pscreen,
        pctx->set_debug_callback = fd_set_debug_callback;
        pctx->create_fence_fd = fd_create_fence_fd;
        pctx->fence_server_sync = fd_fence_server_sync;
+       pctx->texture_barrier = fd_texture_barrier;
 
        pctx->stream_uploader = u_upload_create_default(pctx);
        if (!pctx->stream_uploader)
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c 
b/src/gallium/drivers/freedreno/freedreno_screen.c
index e061f18692..3787501922 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -181,6 +181,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum 
pipe_cap param)
        case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
        case PIPE_CAP_STRING_MARKER:
        case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
+       case PIPE_CAP_TEXTURE_BARRIER:
                return 1;
 
        case PIPE_CAP_VERTEXID_NOBASE:
@@ -196,7 +197,6 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum 
pipe_cap param)
        case PIPE_CAP_TGSI_TEXCOORD:
        case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
        case PIPE_CAP_TEXTURE_MULTISAMPLE:
-       case PIPE_CAP_TEXTURE_BARRIER:
        case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
        case PIPE_CAP_QUERY_MEMORY_INFO:
        case PIPE_CAP_PCI_GROUP:

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