diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_tile.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_tile.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_tile.h b/mesalib/src/gallium/auxiliary/util/u_tile.h new file mode 100644 index 000000000..0abc95e2b --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_tile.h @@ -0,0 +1,126 @@ +/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef P_TILE_H
+#define P_TILE_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
+#include "pipe/p_state.h"
+
+struct pipe_context;
+struct pipe_transfer;
+
+/**
+ * Clip tile against transfer dims.
+ *
+ * XXX: this only clips width and height!
+ *
+ * \return TRUE if tile is totally clipped, FALSE otherwise
+ */
+static INLINE boolean
+u_clip_tile(uint x, uint y, uint *w, uint *h, const struct pipe_box *box)
+{
+ if (x >= box->width)
+ return TRUE;
+ if (y >= box->height)
+ return TRUE;
+ if (x + *w > box->width)
+ *w = box->width - x;
+ if (y + *h > box->height)
+ *h = box->height - y;
+ return FALSE;
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void
+pipe_get_tile_raw(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ void *p, int dst_stride);
+
+void
+pipe_put_tile_raw(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ const void *p, int src_stride);
+
+
+void
+pipe_get_tile_rgba(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ float *p);
+
+void
+pipe_get_tile_rgba_format(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ enum pipe_format format,
+ float *p);
+
+void
+pipe_put_tile_rgba(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ const float *p);
+
+void
+pipe_put_tile_rgba_format(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ enum pipe_format format,
+ const float *p);
+
+
+void
+pipe_get_tile_z(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ uint *z);
+
+void
+pipe_put_tile_z(struct pipe_context *pipe,
+ struct pipe_transfer *pt,
+ uint x, uint y, uint w, uint h,
+ const uint *z);
+
+void
+pipe_tile_raw_to_rgba(enum pipe_format format,
+ void *src,
+ uint w, uint h,
+ float *dst, unsigned dst_stride);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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