Added extra needed files

1 files changed, 164 insertions, 0 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_rect.c b/mesalib/src/gallium/auxiliary/util/u_rect.c
new file mode 100644
index 000000000..b11fff791
--- /dev/null
+++ b/mesalib/src/gallium/auxiliary/util/u_rect.c
@@ -0,0 +1,164 @@
+/**************************************************************************

+ * 

+ * Copyright 2008 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.

+ * 

+ **************************************************************************/

+

+/**

+ * Rectangle-related helper functions.

+ */

+

+

+#include "util/u_format.h"

+#include "util/u_rect.h"

+#include "util/u_pack_color.h"

+

+

+/**

+ * Copy 2D rect from one place to another.

+ * Position and sizes are in pixels.

+ * src_stride may be negative to do vertical flip of pixels from source.

+ */

+void

+util_copy_rect(ubyte * dst,

+               enum pipe_format format,

+               unsigned dst_stride,

+               unsigned dst_x,

+               unsigned dst_y,

+               unsigned width,

+               unsigned height,

+               const ubyte * src,

+               int src_stride,

+               unsigned src_x, 

+               unsigned src_y)

+{

+   unsigned i;

+   int src_stride_pos = src_stride < 0 ? -src_stride : src_stride;

+   int blocksize = util_format_get_blocksize(format);

+   int blockwidth = util_format_get_blockwidth(format);

+   int blockheight = util_format_get_blockheight(format);

+

+   assert(blocksize > 0);

+   assert(blockwidth > 0);

+   assert(blockheight > 0);

+

+   dst_x /= blockwidth;

+   dst_y /= blockheight;

+   width = (width + blockwidth - 1)/blockwidth;

+   height = (height + blockheight - 1)/blockheight;

+   src_x /= blockwidth;

+   src_y /= blockheight;

+   

+   dst += dst_x * blocksize;

+   src += src_x * blocksize;

+   dst += dst_y * dst_stride;

+   src += src_y * src_stride_pos;

+   width *= blocksize;

+

+   if (width == dst_stride && width == src_stride)

+      memcpy(dst, src, height * width);

+   else {

+      for (i = 0; i < height; i++) {

+         memcpy(dst, src, width);

+         dst += dst_stride;

+         src += src_stride;

+      }

+   }

+}

+

+void

+util_fill_rect(ubyte * dst,

+               enum pipe_format format,

+               unsigned dst_stride,

+               unsigned dst_x,

+               unsigned dst_y,

+               unsigned width,

+               unsigned height,

+               union util_color *uc)

+{

+   unsigned i, j;

+   unsigned width_size;

+   int blocksize = util_format_get_blocksize(format);

+   int blockwidth = util_format_get_blockwidth(format);

+   int blockheight = util_format_get_blockheight(format);

+

+   assert(blocksize > 0);

+   assert(blockwidth > 0);

+   assert(blockheight > 0);

+

+   dst_x /= blockwidth;

+   dst_y /= blockheight;

+   width = (width + blockwidth - 1)/blockwidth;

+   height = (height + blockheight - 1)/blockheight;

+

+   dst += dst_x * blocksize;

+   dst += dst_y * dst_stride;

+   width_size = width * blocksize;

+

+   switch (blocksize) {

+   case 1:

+      if(dst_stride == width_size)

+         memset(dst, uc->ub, height * width_size);

+      else {

+         for (i = 0; i < height; i++) {

+            memset(dst, uc->ub, width_size);

+            dst += dst_stride;

+         }

+      }

+      break;

+   case 2:

+      for (i = 0; i < height; i++) {

+         uint16_t *row = (uint16_t *)dst;

+         for (j = 0; j < width; j++)

+            *row++ = uc->us;

+         dst += dst_stride;

+      }

+      break;

+   case 4:

+      for (i = 0; i < height; i++) {

+         uint32_t *row = (uint32_t *)dst;

+         for (j = 0; j < width; j++)

+            *row++ = uc->ui;

+         dst += dst_stride;

+      }

+      break;

+   case 8:

+   case 12:

+   case 16:

+   case 24:

+   case 32:

+      for (i = 0; i < height; i++) {

+         ubyte *row = dst;

+         for (j = 0; j < width; j++) {

+            memcpy(row, uc, blocksize);

+            row += blocksize;

+         }

+         dst += dst_stride;

+      }

+      break;

+   default:

+      assert(0);

+      break;

+   }

+}