1 files changed, 134 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_resource_texture.h b/src/gallium/drivers/svga/svga_resource_texture.h
new file mode 100644
index 0000000000..631937f2eb
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_resource_texture.h
@@ -0,0 +1,134 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ **********************************************************/
+
+#ifndef SVGA_TEXTURE_H
+#define SVGA_TEXTURE_H
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
+#include "util/u_inlines.h"
+#include "util/u_transfer.h"
+#include "svga_screen_cache.h"
+
+struct pipe_context;
+struct pipe_screen;
+struct svga_context;
+struct svga_winsys_surface;
+enum SVGA3dSurfaceFormat;
+
+
+#define SVGA_MAX_TEXTURE_LEVELS 16
+
+
+extern struct u_resource_vtbl svga_texture_vtbl;
+
+
+struct svga_texture 
+{
+   struct u_resource b;
+
+   boolean defined[6][SVGA_MAX_TEXTURE_LEVELS];
+   
+   struct svga_sampler_view *cached_view;
+
+   unsigned view_age[SVGA_MAX_TEXTURE_LEVELS];
+   unsigned age;
+
+   boolean views_modified;
+
+   /**
+    * Creation key for the host surface handle.
+    * 
+    * This structure describes all the host surface characteristics so that it 
+    * can be looked up in cache, since creating a host surface is often a slow
+    * operation.
+    */
+   struct svga_host_surface_cache_key key;
+
+   /**
+    * Handle for the host side surface.
+    *
+    * This handle is owned by this texture. Views should hold on to a reference
+    * to this texture and never destroy this handle directly.
+    */
+   struct svga_winsys_surface *handle;
+};
+
+
+
+/* Note this is only used for texture (not buffer) transfers:
+ */
+struct svga_transfer
+{
+   struct pipe_transfer base;
+
+   struct svga_winsys_buffer *hwbuf;
+
+   /* Height of the hardware buffer in pixel blocks */
+   unsigned hw_nblocksy;
+
+   /* Temporary malloc buffer when we can't allocate a hardware buffer
+    * big enough */
+   void *swbuf;
+};
+
+
+static INLINE struct svga_texture *svga_texture( struct pipe_resource *resource )
+{
+   struct svga_texture *tex = (struct svga_texture *)resource;
+   assert(tex == NULL || tex->b.vtbl == &svga_texture_vtbl);
+   return tex;
+}
+
+
+static INLINE struct svga_transfer *
+svga_transfer(struct pipe_transfer *transfer)
+{
+   assert(transfer);
+   return (struct svga_transfer *)transfer;
+}
+
+
+
+struct pipe_resource *
+svga_texture_create(struct pipe_screen *screen,
+                    const struct pipe_resource *template);
+
+struct pipe_resource *
+svga_texture_from_handle(struct pipe_screen * screen,
+			const struct pipe_resource *template,
+			struct winsys_handle *whandle);
+
+
+
+enum SVGA3dSurfaceFormat
+svga_translate_format(enum pipe_format format);
+
+enum SVGA3dSurfaceFormat
+svga_translate_format_render(enum pipe_format format);
+
+
+#endif /* SVGA_TEXTURE_H */