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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_stipple.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_stipple.c187
1 files changed, 94 insertions, 93 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_stipple.c b/mesalib/src/mesa/state_tracker/st_atom_stipple.c
index 5efea315c..b3e0dc7f1 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_stipple.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_stipple.c
@@ -1,93 +1,94 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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 TUNGSTEN GRAPHICS 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.
- *
- **************************************************************************/
-
- /*
- * \brief polygon stipple state
- *
- * Authors:
- * Brian Paul
- */
-
-
-#include <assert.h>
-
-#include "st_context.h"
-#include "st_atom.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-
-
-/**
- * OpenGL's polygon stipple is indexed with window coordinates in which
- * the origin (0,0) is the lower-left corner of the window.
- * With Gallium, the origin is the upper-left corner of the window.
- * To convert GL's polygon stipple to what gallium expects we need to
- * invert the pattern vertically and rotate the stipple rows according
- * to the window height.
- */
-static void
-invert_stipple(GLuint dest[32], const GLuint src[32], GLuint winHeight)
-{
- GLuint i;
-
- for (i = 0; i < 32; i++) {
- dest[i] = src[(winHeight - 1 - i) & 0x1f];
- }
-}
-
-
-
-static void
-update_stipple( struct st_context *st )
-{
- const GLuint sz = sizeof(st->state.poly_stipple);
- assert(sz == sizeof(st->ctx->PolygonStipple));
-
- if (memcmp(st->state.poly_stipple, st->ctx->PolygonStipple, sz)) {
- /* state has changed */
- struct pipe_poly_stipple newStipple;
-
- memcpy(st->state.poly_stipple, st->ctx->PolygonStipple, sz);
-
- invert_stipple(newStipple.stipple, st->ctx->PolygonStipple,
- st->ctx->DrawBuffer->Height);
-
- st->pipe->set_polygon_stipple(st->pipe, &newStipple);
- }
-}
-
-
-/** Update the stipple when the pattern or window height changes */
-const struct st_tracked_state st_update_polygon_stipple = {
- "st_update_polygon_stipple", /* name */
- { /* dirty */
- (_NEW_POLYGONSTIPPLE |
- _NEW_BUFFERS), /* mesa */
- 0, /* st */
- },
- update_stipple /* update */
-};
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+ /*
+ * \brief polygon stipple state
+ *
+ * Authors:
+ * Brian Paul
+ */
+
+
+#include <assert.h>
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+
+/**
+ * OpenGL's polygon stipple is indexed with window coordinates in which
+ * the origin (0,0) is the lower-left corner of the window.
+ * With Gallium, the origin is the upper-left corner of the window.
+ * To convert GL's polygon stipple to what gallium expects we need to
+ * invert the pattern vertically and rotate the stipple rows according
+ * to the window height.
+ */
+static void
+invert_stipple(GLuint dest[32], const GLuint src[32], GLuint winHeight)
+{
+ GLuint i;
+
+ for (i = 0; i < 32; i++) {
+ dest[i] = src[(winHeight - 1 - i) & 0x1f];
+ }
+}
+
+
+
+static void
+update_stipple( struct st_context *st )
+{
+ const struct gl_context *ctx = st->ctx;
+ const GLuint sz = sizeof(st->state.poly_stipple);
+ assert(sz == sizeof(ctx->PolygonStipple));
+
+ if (memcmp(st->state.poly_stipple, ctx->PolygonStipple, sz)) {
+ /* state has changed */
+ struct pipe_poly_stipple newStipple;
+
+ memcpy(st->state.poly_stipple, ctx->PolygonStipple, sz);
+
+ invert_stipple(newStipple.stipple, ctx->PolygonStipple,
+ ctx->DrawBuffer->Height);
+
+ st->pipe->set_polygon_stipple(st->pipe, &newStipple);
+ }
+}
+
+
+/** Update the stipple when the pattern or window height changes */
+const struct st_tracked_state st_update_polygon_stipple = {
+ "st_update_polygon_stipple", /* name */
+ { /* dirty */
+ (_NEW_POLYGONSTIPPLE |
+ _NEW_BUFFERS), /* mesa */
+ 0, /* st */
+ },
+ update_stipple /* update */
+};