summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/nouveau/nouveau_surface.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_surface.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_surface.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_surface.c b/src/mesa/drivers/dri/nouveau/nouveau_surface.c
new file mode 100644
index 0000000000..33393970a0
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_surface.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2009 Francisco Jerez.
+ * 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 (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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ *
+ */
+
+#include "nouveau_driver.h"
+#include "nouveau_context.h"
+#include "nouveau_util.h"
+
+void
+nouveau_surface_alloc(GLcontext *ctx, struct nouveau_surface *s,
+ enum nouveau_surface_layout layout,
+ unsigned flags, unsigned format,
+ unsigned width, unsigned height)
+{
+ unsigned tile_mode, cpp = _mesa_get_format_bytes(format);
+ int ret;
+
+ nouveau_bo_ref(NULL, &s->bo);
+
+ *s = (struct nouveau_surface) {
+ .layout = layout,
+ .format = format,
+ .width = width,
+ .height = height,
+ .cpp = cpp,
+ .pitch = width * cpp,
+ };
+
+ if (layout == TILED) {
+ s->pitch = align(s->pitch, 256);
+ tile_mode = s->pitch;
+ } else {
+ s->pitch = align(s->pitch, 64);
+ tile_mode = 0;
+ }
+
+ ret = nouveau_bo_new_tile(context_dev(ctx), flags, 0, s->pitch * height,
+ tile_mode, 0, &s->bo);
+ assert(!ret);
+}
+
+void
+nouveau_surface_ref(struct nouveau_surface *src,
+ struct nouveau_surface *dst)
+{
+ if (src) {
+ dst->offset = src->offset;
+ dst->layout = src->layout;
+ dst->format = src->format;
+ dst->width = src->width;
+ dst->height = src->height;
+ dst->cpp = src->cpp;
+ dst->pitch = src->pitch;
+ nouveau_bo_ref(src->bo, &dst->bo);
+
+ } else {
+ nouveau_bo_ref(NULL, &dst->bo);
+ }
+}