Merge branch 'upstream-gallium-0.1' into nouveau-gallium-0.1

Conflicts:

	configs/linux-dri
	src/mesa/pipe/Makefile

1 files changed, 210 insertions, 0 deletions

diff --git a/src/gallium/drivers/i965simple/brw_surface.c b/src/gallium/drivers/i965simple/brw_surface.c
new file mode 100644
index 0000000000..376a42b1a6
--- /dev/null
+++ b/src/gallium/drivers/i965simple/brw_surface.c
@@ -0,0 +1,210 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 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.
+ * 
+ **************************************************************************/
+
+#include "brw_blit.h"
+#include "brw_context.h"
+#include "brw_state.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_util.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_winsys.h"
+#include "util/p_tile.h"
+
+
+/*
+ * XXX note: same as code in sp_surface.c
+ */
+static struct pipe_surface *
+brw_get_tex_surface(struct pipe_context *pipe,
+                     struct pipe_texture *pt,
+                     unsigned face, unsigned level, unsigned zslice)
+{
+   struct brw_texture *tex = (struct brw_texture *)pt;
+   struct pipe_surface *ps;
+   unsigned offset;  /* in bytes */
+
+   offset = tex->level_offset[level];
+
+   if (pt->target == PIPE_TEXTURE_CUBE) {
+      offset += tex->image_offset[level][face] * pt->cpp;
+   }
+   else if (pt->target == PIPE_TEXTURE_3D) {
+      offset += tex->image_offset[level][zslice] * pt->cpp;
+   }
+   else {
+      assert(face == 0);
+      assert(zslice == 0);
+   }
+
+   ps = pipe->winsys->surface_alloc(pipe->winsys);
+   if (ps) {
+      assert(ps->format);
+      assert(ps->refcount);
+      pipe_buffer_reference(pipe->winsys, &ps->buffer, tex->buffer);
+      ps->format = pt->format;
+      ps->cpp = pt->cpp;
+      ps->width = pt->width[level];
+      ps->height = pt->height[level];
+      ps->pitch = tex->pitch;
+      ps->offset = offset;
+   }
+   return ps;
+}
+
+
+/* Upload data to a rectangular sub-region.  Lots of choices how to do this:
+ *
+ * - memcpy by span to current destination
+ * - upload data as new buffer and blit
+ *
+ * Currently always memcpy.
+ */
+static void
+brw_surface_data(struct pipe_context *pipe,
+                 struct pipe_surface *dst,
+                 unsigned dstx, unsigned dsty,
+                 const void *src, unsigned src_pitch,
+                 unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+   pipe_copy_rect(pipe_surface_map(dst) + dst->offset,
+                  dst->cpp, dst->pitch,
+                  dstx, dsty, width, height, src, src_pitch, srcx, srcy);
+
+   pipe_surface_unmap(dst);
+}
+
+
+/* Assumes all values are within bounds -- no checking at this level -
+ * do it higher up if required.
+ */
+static void
+brw_surface_copy(struct pipe_context *pipe,
+                 unsigned do_flip,
+                 struct pipe_surface *dst,
+                 unsigned dstx, unsigned dsty,
+                 struct pipe_surface *src,
+                 unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+   assert(dst != src);
+   assert(dst->cpp == src->cpp);
+
+   if (0) {
+      pipe_copy_rect(pipe_surface_map(dst) + dst->offset,
+                     dst->cpp,
+                     dst->pitch,
+                     dstx, dsty,
+                     width, height,
+                     pipe_surface_map(src) + src->offset,
+                     do_flip ? -src->pitch : src->pitch,
+                     srcx, do_flip ? 1 - srcy - height : srcy);
+
+      pipe_surface_unmap(src);
+      pipe_surface_unmap(dst);
+   }
+   else {
+      brw_copy_blit(brw_context(pipe),
+                    do_flip,
+                    dst->cpp,
+                    (short) src->pitch, src->buffer, src->offset, FALSE,
+                    (short) dst->pitch, dst->buffer, dst->offset, FALSE,
+                    (short) srcx, (short) srcy, (short) dstx, (short) dsty,
+                    (short) width, (short) height, PIPE_LOGICOP_COPY);
+   }
+}
+
+/* Fill a rectangular sub-region.  Need better logic about when to
+ * push buffers into AGP - will currently do so whenever possible.
+ */
+static void *
+get_pointer(struct pipe_surface *dst, void *dst_map, unsigned x, unsigned y)
+{
+   return (char *)dst_map + (y * dst->pitch + x) * dst->cpp;
+}
+
+
+static void
+brw_surface_fill(struct pipe_context *pipe,
+                 struct pipe_surface *dst,
+                 unsigned dstx, unsigned dsty,
+                 unsigned width, unsigned height, unsigned value)
+{
+   if (0) {
+      unsigned i, j;
+      void *dst_map = pipe_surface_map(dst);
+
+      switch (dst->cpp) {
+      case 1: {
+	 ubyte *row = get_pointer(dst, dst_map, dstx, dsty);
+	 for (i = 0; i < height; i++) {
+	    memset(row, value, width);
+	    row += dst->pitch;
+	 }
+      }
+	 break;
+      case 2: {
+	 ushort *row = get_pointer(dst, dst_map, dstx, dsty);
+	 for (i = 0; i < height; i++) {
+	    for (j = 0; j < width; j++)
+	       row[j] = (ushort) value;
+	    row += dst->pitch;
+	 }
+      }
+	 break;
+      case 4: {
+	 unsigned *row = get_pointer(dst, dst_map, dstx, dsty);
+	 for (i = 0; i < height; i++) {
+	    for (j = 0; j < width; j++)
+	       row[j] = value;
+	    row += dst->pitch;
+	 }
+      }
+	 break;
+      default:
+	 assert(0);
+	 break;
+      }
+
+      pipe_surface_unmap( dst );
+   }
+   else {
+      brw_fill_blit(brw_context(pipe),
+                    dst->cpp,
+                    (short) dst->pitch,
+                    dst->buffer, dst->offset, FALSE,
+                    (short) dstx, (short) dsty,
+                    (short) width, (short) height,
+                    value);
+   }
+}
+
+void
+brw_init_surface_functions(struct brw_context *brw)
+{
+   brw->pipe.get_tex_surface = brw_get_tex_surface;
+   brw->pipe.surface_copy  = brw_surface_copy;
+   brw->pipe.surface_fill  = brw_surface_fill;
+}