summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/i915/i915_surface.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/i915/i915_surface.c')
-rw-r--r--src/gallium/drivers/i915/i915_surface.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_surface.c b/src/gallium/drivers/i915/i915_surface.c
new file mode 100644
index 0000000000..ab8331f3e6
--- /dev/null
+++ b/src/gallium/drivers/i915/i915_surface.c
@@ -0,0 +1,94 @@
+/**************************************************************************
+ *
+ * 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 "i915_context.h"
+#include "i915_blit.h"
+#include "i915_state.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_inlines.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
+i915_surface_copy(struct pipe_context *pipe,
+ struct pipe_surface *dst,
+ unsigned dstx, unsigned dsty,
+ struct pipe_surface *src,
+ unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+ struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
+ struct i915_texture *src_tex = (struct i915_texture *)src->texture;
+
+ assert( dst != src );
+ assert( dst_tex->base.block.size == src_tex->base.block.size );
+ assert( dst_tex->base.block.width == src_tex->base.block.height );
+ assert( dst_tex->base.block.height == src_tex->base.block.height );
+ assert( dst_tex->base.block.width == 1 );
+ assert( dst_tex->base.block.height == 1 );
+
+ i915_copy_blit( i915_context(pipe),
+ FALSE,
+ dst_tex->base.block.size,
+ (unsigned short) src_tex->stride, src_tex->buffer, src->offset,
+ (unsigned short) dst_tex->stride, dst_tex->buffer, dst->offset,
+ (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
+}
+
+
+static void
+i915_surface_fill(struct pipe_context *pipe,
+ struct pipe_surface *dst,
+ unsigned dstx, unsigned dsty,
+ unsigned width, unsigned height, unsigned value)
+{
+ struct i915_texture *tex = (struct i915_texture *)dst->texture;
+
+ assert(tex->base.block.width == 1);
+ assert(tex->base.block.height == 1);
+
+ i915_fill_blit( i915_context(pipe),
+ tex->base.block.size,
+ (unsigned short) tex->stride,
+ tex->buffer, dst->offset,
+ (short) dstx, (short) dsty,
+ (short) width, (short) height,
+ value );
+}
+
+
+void
+i915_init_surface_functions(struct i915_context *i915)
+{
+ i915->base.surface_copy = i915_surface_copy;
+ i915->base.surface_fill = i915_surface_fill;
+}