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Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_texture.c')
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_texture.c206
1 files changed, 103 insertions, 103 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_texture.c b/mesalib/src/gallium/auxiliary/util/u_texture.c
index 1e72843f0..d97e57a79 100644
--- a/mesalib/src/gallium/auxiliary/util/u_texture.c
+++ b/mesalib/src/gallium/auxiliary/util/u_texture.c
@@ -1,103 +1,103 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * Copyright 2008 VMware, Inc. All rights reserved.
- * Copyright 2009 Marek Olšák <maraeo@gmail.com>
- *
- * 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.
- *
- **************************************************************************/
-
-/**
- * @file
- * Texture mapping utility functions.
- *
- * @author Brian Paul
- * Marek Olšák
- */
-
-#include "pipe/p_defines.h"
-
-#include "util/u_debug.h"
-#include "util/u_texture.h"
-
-void util_map_texcoords2d_onto_cubemap(unsigned face,
- const float *in_st, unsigned in_stride,
- float *out_str, unsigned out_stride)
-{
- int i;
- float rx, ry, rz;
-
- /* loop over quad verts */
- for (i = 0; i < 4; i++) {
- /* Compute sc = +/-scale and tc = +/-scale.
- * Not +/-1 to avoid cube face selection ambiguity near the edges,
- * though that can still sometimes happen with this scale factor...
- */
- const float scale = 0.9999f;
- const float sc = (2 * in_st[0] - 1) * scale;
- const float tc = (2 * in_st[1] - 1) * scale;
-
- switch (face) {
- case PIPE_TEX_FACE_POS_X:
- rx = 1;
- ry = -tc;
- rz = -sc;
- break;
- case PIPE_TEX_FACE_NEG_X:
- rx = -1;
- ry = -tc;
- rz = sc;
- break;
- case PIPE_TEX_FACE_POS_Y:
- rx = sc;
- ry = 1;
- rz = tc;
- break;
- case PIPE_TEX_FACE_NEG_Y:
- rx = sc;
- ry = -1;
- rz = -tc;
- break;
- case PIPE_TEX_FACE_POS_Z:
- rx = sc;
- ry = -tc;
- rz = 1;
- break;
- case PIPE_TEX_FACE_NEG_Z:
- rx = -sc;
- ry = -tc;
- rz = -1;
- break;
- default:
- rx = ry = rz = 0;
- assert(0);
- }
-
- out_str[0] = rx; /*s*/
- out_str[1] = ry; /*t*/
- out_str[2] = rz; /*r*/
-
- in_st += in_stride;
- out_str += out_stride;
- }
-}
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * Copyright 2008 VMware, Inc. All rights reserved.
+ * Copyright 2009 Marek Olšák <maraeo@gmail.com>
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Texture mapping utility functions.
+ *
+ * @author Brian Paul
+ * Marek Olšák
+ */
+
+#include "pipe/p_defines.h"
+
+#include "util/u_debug.h"
+#include "util/u_texture.h"
+
+void util_map_texcoords2d_onto_cubemap(unsigned face,
+ const float *in_st, unsigned in_stride,
+ float *out_str, unsigned out_stride)
+{
+ int i;
+ float rx, ry, rz;
+
+ /* loop over quad verts */
+ for (i = 0; i < 4; i++) {
+ /* Compute sc = +/-scale and tc = +/-scale.
+ * Not +/-1 to avoid cube face selection ambiguity near the edges,
+ * though that can still sometimes happen with this scale factor...
+ */
+ const float scale = 0.9999f;
+ const float sc = (2 * in_st[0] - 1) * scale;
+ const float tc = (2 * in_st[1] - 1) * scale;
+
+ switch (face) {
+ case PIPE_TEX_FACE_POS_X:
+ rx = 1;
+ ry = -tc;
+ rz = -sc;
+ break;
+ case PIPE_TEX_FACE_NEG_X:
+ rx = -1;
+ ry = -tc;
+ rz = sc;
+ break;
+ case PIPE_TEX_FACE_POS_Y:
+ rx = sc;
+ ry = 1;
+ rz = tc;
+ break;
+ case PIPE_TEX_FACE_NEG_Y:
+ rx = sc;
+ ry = -1;
+ rz = -tc;
+ break;
+ case PIPE_TEX_FACE_POS_Z:
+ rx = sc;
+ ry = -tc;
+ rz = 1;
+ break;
+ case PIPE_TEX_FACE_NEG_Z:
+ rx = -sc;
+ ry = -tc;
+ rz = -1;
+ break;
+ default:
+ rx = ry = rz = 0;
+ assert(0);
+ }
+
+ out_str[0] = rx; /*s*/
+ out_str[1] = ry; /*t*/
+ out_str[2] = rz; /*r*/
+
+ in_st += in_stride;
+ out_str += out_stride;
+ }
+}