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authorBrian Paul <brianp@vmware.com>2009-12-31 09:02:27 -0700
committerBrian Paul <brianp@vmware.com>2009-12-31 09:02:27 -0700
commit25024d948298a9f3f3210a0b91486f79a3917b0f (patch)
tree5647623b9781193b7ed55c8d9233404938aeb853 /src/gallium/winsys/xlib
parentd14beea534dcb2b3ae2ae1f7ee0ba5dcdef3dba3 (diff)
parent195e7657e2f15f7ad8b22042b86bcf33c5bba76b (diff)
Merge branch 'mesa_7_7_branch'
Conflicts: configs/darwin src/gallium/auxiliary/util/u_clear.h src/gallium/state_trackers/xorg/xorg_exa_tgsi.c src/mesa/drivers/dri/i965/brw_draw_upload.c
Diffstat (limited to 'src/gallium/winsys/xlib')
-rw-r--r--src/gallium/winsys/xlib/xlib_brw_context.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/src/gallium/winsys/xlib/xlib_brw_context.c b/src/gallium/winsys/xlib/xlib_brw_context.c
new file mode 100644
index 0000000000..fc9addd09e
--- /dev/null
+++ b/src/gallium/winsys/xlib/xlib_brw_context.c
@@ -0,0 +1,209 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell
+ * Brian Paul
+ */
+
+
+/* #include "glxheader.h" */
+/* #include "xmesaP.h" */
+
+#include "pipe/internal/p_winsys_screen.h"
+#include "pipe/p_inlines.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "i965simple/brw_winsys.h"
+#include "xlib_brw_aub.h"
+#include "xlib_brw.h"
+
+
+
+
+#define XBCWS_BATCHBUFFER_SIZE 1024
+
+
+/* The backend to the brw driver (ie struct brw_winsys) is actually a
+ * per-context entity.
+ */
+struct xlib_brw_context_winsys {
+ struct brw_winsys brw_context_winsys; /**< batch buffer funcs */
+ struct aub_context *aub;
+
+ struct pipe_winsys *pipe_winsys;
+
+ unsigned batch_data[XBCWS_BATCHBUFFER_SIZE];
+ unsigned batch_nr;
+ unsigned batch_size;
+ unsigned batch_alloc;
+};
+
+
+/* Turn a brw_winsys into an xlib_brw_context_winsys:
+ */
+static inline struct xlib_brw_context_winsys *
+xlib_brw_context_winsys( struct brw_winsys *sws )
+{
+ return (struct xlib_brw_context_winsys *)sws;
+}
+
+
+/* Simple batchbuffer interface:
+ */
+
+static unsigned *xbcws_batch_start( struct brw_winsys *sws,
+ unsigned dwords,
+ unsigned relocs )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+ if (xbcws->batch_size < xbcws->batch_nr + dwords)
+ return NULL;
+
+ xbcws->batch_alloc = xbcws->batch_nr + dwords;
+ return (void *)1; /* not a valid pointer! */
+}
+
+static void xbcws_batch_dword( struct brw_winsys *sws,
+ unsigned dword )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+ assert(xbcws->batch_nr < xbcws->batch_alloc);
+ xbcws->batch_data[xbcws->batch_nr++] = dword;
+}
+
+static void xbcws_batch_reloc( struct brw_winsys *sws,
+ struct pipe_buffer *buf,
+ unsigned access_flags,
+ unsigned delta )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+ assert(xbcws->batch_nr < xbcws->batch_alloc);
+ xbcws->batch_data[xbcws->batch_nr++] =
+ ( xlib_brw_get_buffer_offset( NULL, buf, access_flags ) +
+ delta );
+}
+
+static void xbcws_batch_end( struct brw_winsys *sws )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+ assert(xbcws->batch_nr <= xbcws->batch_alloc);
+ xbcws->batch_alloc = 0;
+}
+
+static void xbcws_batch_flush( struct brw_winsys *sws,
+ struct pipe_fence_handle **fence )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+ assert(xbcws->batch_nr <= xbcws->batch_size);
+
+ if (xbcws->batch_nr) {
+ xlib_brw_commands_aub( xbcws->pipe_winsys,
+ xbcws->batch_data,
+ xbcws->batch_nr );
+ }
+
+ xbcws->batch_nr = 0;
+}
+
+
+
+/* Really a per-device function, just pass through:
+ */
+static unsigned xbcws_get_buffer_offset( struct brw_winsys *sws,
+ struct pipe_buffer *buf,
+ unsigned access_flags )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+ return xlib_brw_get_buffer_offset( xbcws->pipe_winsys,
+ buf,
+ access_flags );
+}
+
+
+/* Really a per-device function, just pass through:
+ */
+static void xbcws_buffer_subdata_typed( struct brw_winsys *sws,
+ struct pipe_buffer *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data,
+ unsigned data_type )
+{
+ struct xlib_brw_context_winsys *xbcws = xlib_brw_context_winsys(sws);
+
+ xlib_brw_buffer_subdata_typed( xbcws->pipe_winsys,
+ buf,
+ offset,
+ size,
+ data,
+ data_type );
+}
+
+
+/**
+ * Create i965 hardware rendering context, but plugged into a
+ * dump-to-aubfile backend.
+ */
+struct pipe_context *
+xlib_create_brw_context( struct pipe_screen *screen,
+ void *unused )
+{
+ struct xlib_brw_context_winsys *xbcws = CALLOC_STRUCT( xlib_brw_context_winsys );
+
+ /* Fill in this struct with callbacks that i965simple will need to
+ * communicate with the window system, buffer manager, etc.
+ */
+ xbcws->brw_context_winsys.batch_start = xbcws_batch_start;
+ xbcws->brw_context_winsys.batch_dword = xbcws_batch_dword;
+ xbcws->brw_context_winsys.batch_reloc = xbcws_batch_reloc;
+ xbcws->brw_context_winsys.batch_end = xbcws_batch_end;
+ xbcws->brw_context_winsys.batch_flush = xbcws_batch_flush;
+ xbcws->brw_context_winsys.buffer_subdata_typed = xbcws_buffer_subdata_typed;
+ xbcws->brw_context_winsys.get_buffer_offset = xbcws_get_buffer_offset;
+
+ xbcws->pipe_winsys = screen->winsys; /* redundant */
+
+ xbcws->batch_size = XBCWS_BATCHBUFFER_SIZE;
+
+ /* Create the i965simple context:
+ */
+#ifdef GALLIUM_CELL
+ return NULL;
+#else
+ return brw_create( screen,
+ &xbcws->brw_context_winsys,
+ 0 );
+#endif
+}