r600g: force flush on map as temporary fix to readpixel

Should allow more piglit test to pass. Need to plugin
proper flushing.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 3725bf856095ee41ad244dc659b85f1daa95257c..033c71f6ef1289b570b4e3a554108c001f8c1fc8 100644 (file)
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -234,6 +234,8 @@ void* r600_texture_transfer_map(struct pipe_context *ctx,
        struct r600_screen *rscreen = r600_screen(ctx->screen);
        char *map;
 
+       r600_flush(ctx, 0, NULL);
+
        resource = (struct r600_resource *)transfer->resource;
        if (radeon_bo_map(rscreen->rw, resource->bo)) {
                return NULL;