gallium: move framebuffer utility functions into a new file

4 files changed, 160 insertions, 84 deletions

diff --git a/src/gallium/auxiliary/util/u_framebuffer.c b/src/gallium/auxiliary/util/u_framebuffer.c
new file mode 100644
index 0000000000..bdac12dbca
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_framebuffer.c
@@ -0,0 +1,111 @@
+/**************************************************************************
+ *
+ * Copyright 2009-2010 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Framebuffer utility functions.
+ *  
+ * @author Brian Paul
+ */
+
+
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+
+#include "util/u_memory.h"
+#include "util/u_framebuffer.h"
+
+
+/**
+ * Compare pipe_framebuffer_state objects.
+ * \return TRUE if same, FALSE if different
+ */
+boolean
+util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
+                             const struct pipe_framebuffer_state *src)
+{
+   unsigned i;
+
+   if (dst->width != src->width ||
+       dst->height != src->height)
+      return FALSE;
+
+   for (i = 0; i < Elements(src->cbufs); i++) {
+      if (dst->cbufs[i] != src->cbufs[i]) {
+         return FALSE;
+      }
+   }
+
+   if (dst->nr_cbufs != src->nr_cbufs) {
+      return FALSE;
+   }
+
+   if (dst->zsbuf != src->zsbuf) {
+      return FALSE;
+   }
+
+   return TRUE;
+}
+
+
+/**
+ * Copy framebuffer state from src to dst, updating refcounts.
+ */
+void
+util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
+                            const struct pipe_framebuffer_state *src)
+{
+   unsigned i;
+
+   dst->width = src->width;
+   dst->height = src->height;
+
+   for (i = 0; i < Elements(src->cbufs); i++) {
+      pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+   }
+
+   dst->nr_cbufs = src->nr_cbufs;
+
+   pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+}
+
+
+void
+util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb)
+{
+   unsigned i;
+
+   for (i = 0; i < fb->nr_cbufs; i++) {
+      pipe_surface_reference(&fb->cbufs[i], NULL);
+   }
+
+   pipe_surface_reference(&fb->zsbuf, NULL);
+
+   fb->width = fb->height = 0;
+   fb->nr_cbufs = 0;
+}
diff --git a/src/gallium/auxiliary/util/u_framebuffer.h b/src/gallium/auxiliary/util/u_framebuffer.h
new file mode 100644
index 0000000000..adf1254e1b
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_framebuffer.h
@@ -0,0 +1,49 @@
+/**************************************************************************
+ *
+ * Copyright 2009-2010 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 U_FRAMEBUFFER_H
+#define U_FRAMEBUFFER_H
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
+
+
+extern boolean
+util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
+                             const struct pipe_framebuffer_state *src);
+
+extern void
+util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
+                            const struct pipe_framebuffer_state *src);
+
+
+extern void
+util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb);
+
+
+#endif /* U_FRAMEBUFFER_H */
diff --git a/src/gallium/auxiliary/util/u_surface.c b/src/gallium/auxiliary/util/u_surface.c
index 42440d0d67..35a9b484fc 100644
--- a/src/gallium/auxiliary/util/u_surface.c
+++ b/src/gallium/auxiliary/util/u_surface.c
@@ -114,74 +114,3 @@ util_destroy_rgba_surface(struct pipe_resource *texture,
    pipe_surface_reference(&surface, NULL);
    pipe_resource_reference(&texture, NULL);
 }
-
-
-
-/**
- * Compare pipe_framebuffer_state objects.
- * \return TRUE if same, FALSE if different
- */
-boolean
-util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
-                             const struct pipe_framebuffer_state *src)
-{
-   unsigned i;
-
-   if (dst->width != src->width ||
-       dst->height != src->height)
-      return FALSE;
-
-   for (i = 0; i < Elements(src->cbufs); i++) {
-      if (dst->cbufs[i] != src->cbufs[i]) {
-         return FALSE;
-      }
-   }
-
-   if (dst->nr_cbufs != src->nr_cbufs) {
-      return FALSE;
-   }
-
-   if (dst->zsbuf != src->zsbuf) {
-      return FALSE;
-   }
-
-   return TRUE;
-}
-
-
-/**
- * Copy framebuffer state from src to dst, updating refcounts.
- */
-void
-util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
-                            const struct pipe_framebuffer_state *src)
-{
-   unsigned i;
-
-   dst->width = src->width;
-   dst->height = src->height;
-
-   for (i = 0; i < Elements(src->cbufs); i++) {
-      pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
-   }
-
-   dst->nr_cbufs = src->nr_cbufs;
-
-   pipe_surface_reference(&dst->zsbuf, src->zsbuf);
-}
-
-
-void
-util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb)
-{
-   unsigned i;
-
-   for (i = 0; i < fb->nr_cbufs; i++) {
-      pipe_surface_reference(&fb->cbufs[i], NULL);
-   }
-
-   pipe_surface_reference(&fb->zsbuf, NULL);
-
-   fb->width = fb->height = 0;
-   fb->nr_cbufs = 0;
-}
diff --git a/src/gallium/auxiliary/util/u_surface.h b/src/gallium/auxiliary/util/u_surface.h
index 119fcd4ce8..a61bb29171 100644
--- a/src/gallium/auxiliary/util/u_surface.h
+++ b/src/gallium/auxiliary/util/u_surface.h
@@ -62,17 +62,4 @@ util_destroy_rgba_surface(struct pipe_resource *texture,
                           struct pipe_surface *surface);
 
 
-extern boolean
-util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
-                             const struct pipe_framebuffer_state *src);
-
-extern void
-util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
-                            const struct pipe_framebuffer_state *src);
-
-
-extern void
-util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb);
-
-
 #endif /* U_SURFACE_H */