aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/gallium/auxiliary/util/u_framebuffer.c
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_framebuffer.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_framebuffer.c296
1 files changed, 148 insertions, 148 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_framebuffer.c b/mesalib/src/gallium/auxiliary/util/u_framebuffer.c
index 8d89c81c7..7803ec6a8 100644
--- a/mesalib/src/gallium/auxiliary/util/u_framebuffer.c
+++ b/mesalib/src/gallium/auxiliary/util/u_framebuffer.c
@@ -1,148 +1,148 @@
-/**************************************************************************
- *
- * 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 < src->nr_cbufs; i++)
- pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
-
- for (i = src->nr_cbufs; i < dst->nr_cbufs; i++)
- pipe_surface_reference(&dst->cbufs[i], NULL);
-
- 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;
-}
-
-
-/* Where multiple sizes are allowed for framebuffer surfaces, find the
- * minimum width and height of all bound surfaces.
- */
-boolean
-util_framebuffer_min_size(const struct pipe_framebuffer_state *fb,
- unsigned *width,
- unsigned *height)
-{
- unsigned w = ~0;
- unsigned h = ~0;
- unsigned i;
-
- for (i = 0; i < fb->nr_cbufs; i++) {
- w = MIN2(w, fb->cbufs[i]->width);
- h = MIN2(h, fb->cbufs[i]->height);
- }
-
- if (fb->zsbuf) {
- w = MIN2(w, fb->zsbuf->width);
- h = MIN2(h, fb->zsbuf->height);
- }
-
- if (w == ~0) {
- *width = 0;
- *height = 0;
- return FALSE;
- }
- else {
- *width = w;
- *height = h;
- return TRUE;
- }
-}
+/**************************************************************************
+ *
+ * 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 < src->nr_cbufs; i++)
+ pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+
+ for (i = src->nr_cbufs; i < dst->nr_cbufs; i++)
+ pipe_surface_reference(&dst->cbufs[i], NULL);
+
+ 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;
+}
+
+
+/* Where multiple sizes are allowed for framebuffer surfaces, find the
+ * minimum width and height of all bound surfaces.
+ */
+boolean
+util_framebuffer_min_size(const struct pipe_framebuffer_state *fb,
+ unsigned *width,
+ unsigned *height)
+{
+ unsigned w = ~0;
+ unsigned h = ~0;
+ unsigned i;
+
+ for (i = 0; i < fb->nr_cbufs; i++) {
+ w = MIN2(w, fb->cbufs[i]->width);
+ h = MIN2(h, fb->cbufs[i]->height);
+ }
+
+ if (fb->zsbuf) {
+ w = MIN2(w, fb->zsbuf->width);
+ h = MIN2(h, fb->zsbuf->height);
+ }
+
+ if (w == ~0) {
+ *width = 0;
+ *height = 0;
+ return FALSE;
+ }
+ else {
+ *width = w;
+ *height = h;
+ return TRUE;
+ }
+}