1 files changed, 209 insertions, 0 deletions

diff --git a/saa/saa.h b/saa/saa.h
new file mode 100644
index 0000000..c7aa3b6
--- /dev/null
+++ b/saa/saa.h
@@ -0,0 +1,209 @@
+/*
+ *
+ * Copyright (C) 2000 Keith Packard
+ *               2004 Eric Anholt
+ *               2005 Zack Rusin
+ *
+ * Copyright 2011 VMWare, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Copyright holders make no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ * Author: Based on "exa.h"
+ * Author: Thomas Hellstrom <thellstrom@vmware.com>
+ */
+
+#ifndef _SAA_H_
+#define _SAA_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#else
+#include <xorg-server.h>
+#endif
+#include <xf86.h>
+#include <damage.h>
+#include <picturestr.h>
+
+#define SAA_VERSION_MAJOR 0
+#define SAA_VERSION_MINOR 1
+
+#define SAA_ACCESS_R (1 << 0)
+#define SAA_ACCESS_W (1 << 1)
+#define SAA_ACCESS_RW (SAA_ACCESS_R | SAA_ACCESS_W)
+
+#define SAA_PIXMAP_HINT_CREATE_HW (1 << 25)
+#define SAA_PIXMAP_PREFER_SHADOW  (1 << 0)
+
+typedef unsigned int saa_access_t;
+
+enum saa_pixmap_loc {
+    saa_loc_driver,
+    saa_loc_override,
+};
+
+struct saa_pixmap {
+    PixmapPtr pixmap;
+    int read_access;
+    int write_access;
+    unsigned int mapped_access;
+    Bool fallback_created;
+    RegionRec dirty_shadow;
+    RegionRec dirty_hw;
+    RegionRec shadow_damage;
+    DamagePtr damage;
+    void *addr;
+    void *override;
+    enum saa_pixmap_loc auth_loc;
+    PictFormatShort src_format;
+    PictFormatShort dst_format;
+    uint32_t pad[16];
+};
+
+struct saa_driver {
+    unsigned int saa_major;
+    unsigned int saa_minor;
+    size_t pixmap_size;
+     Bool(*damage) (struct saa_driver * driver, PixmapPtr pixmap,
+                    Bool hw, RegionPtr damage);
+    void (*operation_complete) (struct saa_driver * driver, PixmapPtr pixmap);
+     Bool(*download_from_hw) (struct saa_driver * driver, PixmapPtr pixmap,
+                              RegionPtr readback);
+    void (*release_from_cpu) (struct saa_driver * driver, PixmapPtr pixmap,
+                              saa_access_t access);
+    void *(*sync_for_cpu) (struct saa_driver * driver, PixmapPtr pixmap,
+                           saa_access_t access);
+    void *(*map) (struct saa_driver * driver, PixmapPtr pixmap,
+                  saa_access_t access);
+    void (*unmap) (struct saa_driver * driver, PixmapPtr pixmap,
+                   saa_access_t access);
+     Bool(*create_pixmap) (struct saa_driver * driver, struct saa_pixmap * spix,
+                           int w, int h, int depth, unsigned int usage_hint,
+                           int bpp, int *new_pitch);
+    void (*destroy_pixmap) (struct saa_driver * driver, PixmapPtr pixmap);
+    Bool (*modify_pixmap_header) (PixmapPtr pixmap, int w, int h, int depth,
+                                  int bpp, int devkind, void *pPixData);
+
+    Bool (*copy_prepare) (struct saa_driver * driver, PixmapPtr src_pixmap,
+                         PixmapPtr dst_pixmap, int dx, int dy, int alu,
+                         RegionPtr scr_reg, uint32_t plane_mask);
+    void (*copy) (struct saa_driver * driver, int src_x, int src_y, int dst_x,
+                  int dst_y, int w, int h);
+    void (*copy_done) (struct saa_driver * driver);
+    Bool (*composite_prepare) (struct saa_driver *driver, CARD8 op,
+                               PicturePtr src_pict, PicturePtr mask_pict,
+                               PicturePtr dst_pict,
+                               PixmapPtr src_pix, PixmapPtr mask_pix,
+                               PixmapPtr dst_pix,
+                               RegionPtr src_region,
+                               RegionPtr mask_region,
+                               RegionPtr dst_region);
+    void (*composite) (struct saa_driver *driver,
+                       int src_x, int src_y, int mask_x, int mask_y,
+                       int dst_x, int dst_y,
+                       int width, int height);
+    void (*composite_done) (struct saa_driver *driver);
+
+    void (*takedown) (struct saa_driver * driver);
+    uint32_t pad[16];
+};
+
+extern _X_EXPORT PixmapPtr
+saa_get_drawable_pixmap(DrawablePtr pDrawable);
+
+extern _X_EXPORT void
+saa_get_drawable_deltas(DrawablePtr pDrawable, PixmapPtr pPixmap,
+                        int *xp, int *yp);
+
+extern _X_EXPORT PixmapPtr
+saa_get_pixmap(DrawablePtr drawable, int *xp, int *yp);
+
+extern _X_EXPORT Bool
+saa_prepare_access_pixmap(PixmapPtr pix, saa_access_t access,
+                          RegionPtr read_reg);
+
+extern _X_EXPORT Bool
+saa_pad_read(DrawablePtr draw);
+
+Bool
+saa_pad_read_box(DrawablePtr draw, int x, int y, int w, int h);
+
+extern _X_EXPORT Bool
+saa_pad_write(DrawablePtr draw, GCPtr pGC, Bool check_read,
+              saa_access_t * access);
+
+extern _X_EXPORT void
+saa_finish_access_pixmap(PixmapPtr pix, saa_access_t access);
+
+extern _X_EXPORT void
+saa_fad_read(DrawablePtr draw);
+
+extern _X_EXPORT void
+saa_fad_write(DrawablePtr draw, saa_access_t access);
+
+extern _X_EXPORT Bool
+saa_resources_init(ScreenPtr screen);
+
+extern _X_EXPORT void
+saa_driver_fini(ScreenPtr pScreen);
+
+extern _X_EXPORT int
+saa_create_gc(GCPtr pGC);
+
+extern _X_EXPORT RegionPtr
+saa_bitmap_to_region(PixmapPtr pPix);
+
+extern _X_EXPORT Bool
+saa_close_screen(int i, ScreenPtr pScreen);
+
+extern _X_EXPORT Bool
+saa_gc_reads_destination(DrawablePtr pDrawable, GCPtr pGC);
+
+extern _X_EXPORT Bool
+saa_op_reads_destination(CARD8 op);
+
+extern _X_EXPORT void
+saa_set_fallback_debug(ScreenPtr screen, Bool enable);
+
+extern _X_EXPORT
+struct saa_pixmap *saa_get_saa_pixmap(PixmapPtr pPixmap);
+
+extern _X_EXPORT Bool
+saa_add_damage(PixmapPtr pixmap);
+
+extern _X_EXPORT struct saa_driver *
+saa_get_driver(ScreenPtr pScreen);
+
+extern _X_EXPORT Bool
+saa_driver_init(ScreenPtr screen, struct saa_driver *saa_driver);
+
+extern _X_EXPORT void
+saa_pixmap_dirty(PixmapPtr pixmap, Bool hw, RegionPtr reg);
+
+extern _X_EXPORT void
+saa_drawable_dirty(DrawablePtr draw, Bool hw, RegionPtr reg);
+
+#define SAA_PM_IS_SOLID(_pDrawable, _pm) \
+  (((_pm) & FbFullMask((_pDrawable)->depth)) == \
+   FbFullMask((_pDrawable)->depth))
+
+#endif