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Diffstat (limited to 'src/gallium/drivers/i965simple/brw_surface.c')
-rw-r--r--src/gallium/drivers/i965simple/brw_surface.c127
1 files changed, 127 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..0a95dce194
--- /dev/null
+++ b/src/gallium/drivers/i965simple/brw_surface.c
@@ -0,0 +1,127 @@
+/**************************************************************************
+ *
+ * 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_inlines.h"
+#include "pipe/internal/p_winsys_screen.h"
+#include "util/u_tile.h"
+#include "util/u_rect.h"
+
+
+
+/* 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,
+ boolean 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->block.size == src->block.size );
+ assert( dst->block.width == src->block.height );
+ assert( dst->block.height == src->block.height );
+
+ if (0) {
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_CPU_WRITE );
+
+ const void *src_map = pipe->screen->surface_map( pipe->screen,
+ src,
+ PIPE_BUFFER_USAGE_CPU_READ );
+
+ pipe_copy_rect(dst_map,
+ &dst->block,
+ dst->stride,
+ dstx, dsty,
+ width, height,
+ src_map,
+ do_flip ? -(int) src->stride : src->stride,
+ srcx, do_flip ? height - 1 - srcy : srcy);
+
+ pipe->screen->surface_unmap(pipe->screen, src);
+ pipe->screen->surface_unmap(pipe->screen, dst);
+ }
+ else {
+ struct brw_texture *dst_tex = (struct brw_texture *)dst->texture;
+ struct brw_texture *src_tex = (struct brw_texture *)src->texture;
+ assert(dst->block.width == 1);
+ assert(dst->block.height == 1);
+ brw_copy_blit(brw_context(pipe),
+ do_flip,
+ dst->block.size,
+ (short) src->stride/src->block.size, src_tex->buffer, src->offset, FALSE,
+ (short) dst->stride/dst->block.size, dst_tex->buffer, dst->offset, FALSE,
+ (short) srcx, (short) srcy, (short) dstx, (short) dsty,
+ (short) width, (short) height, PIPE_LOGICOP_COPY);
+ }
+}
+
+
+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) {
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_CPU_WRITE );
+
+ pipe_fill_rect(dst_map, &dst->block, dst->stride, dstx, dsty, width, height, value);
+
+ pipe->screen->surface_unmap(pipe->screen, dst);
+ }
+ else {
+ struct brw_texture *tex = (struct brw_texture *)dst->texture;
+ assert(dst->block.width == 1);
+ assert(dst->block.height == 1);
+ brw_fill_blit(brw_context(pipe),
+ dst->block.size,
+ (short) dst->stride/dst->block.size,
+ tex->buffer, dst->offset, FALSE,
+ (short) dstx, (short) dsty,
+ (short) width, (short) height,
+ value);
+ }
+}
+
+
+void
+brw_init_surface_functions(struct brw_context *brw)
+{
+ brw->pipe.surface_copy = brw_surface_copy;
+ brw->pipe.surface_fill = brw_surface_fill;
+}