gallium: rename 'state tracker' to 'frontend'

Acked-by: Eric Anholt <[email protected]>
Acked-by: Alyssa Rosenzweig <[email protected]>
Acked-by: Pierre-Eric Pelloux-Prayer <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4902>

1 files changed, 217 insertions, 0 deletions

diff --git a/src/gallium/frontends/xa/xa_tracker.h.in b/src/gallium/frontends/xa/xa_tracker.h.in
new file mode 100644
index 00000000000..3d136707152
--- /dev/null
+++ b/src/gallium/frontends/xa/xa_tracker.h.in
@@ -0,0 +1,217 @@
+/**********************************************************
+ * Copyright 2009-2011 VMware, Inc. 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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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 format encoding idea is partially borrowed from libpixman, but it is not
+ * considered a "substantial part of the software", so the pixman copyright
+ * is left out for simplicity, and acknowledgment is instead given in this way.
+ *
+ *********************************************************
+ * Authors:
+ * Zack Rusin <zackr-at-vmware-dot-com>
+ * Thomas Hellstrom <thellstrom-at-vmware-dot-com>
+ */
+
+#ifndef _XA_TRACKER_H_
+#define _XA_TRACKER_H_
+
+#include <stdint.h>
+
+#define XA_TRACKER_VERSION_MAJOR @XA_MAJOR@
+#define XA_TRACKER_VERSION_MINOR @XA_MINOR@
+#define XA_TRACKER_VERSION_PATCH @XA_PATCH@
+
+#define XA_FLAG_SHARED         (1 << 0)
+#define XA_FLAG_RENDER_TARGET  (1 << 1)
+#define XA_FLAG_SCANOUT        (1 << 2)
+
+#define XA_MAP_READ                     (1 << 0)
+#define XA_MAP_WRITE                    (1 << 1)
+#define XA_MAP_MAP_DIRECTLY             (1 << 2)
+#define XA_MAP_UNSYNCHRONIZED           (1 << 3)
+#define XA_MAP_DONTBLOCK                (1 << 4)
+#define XA_MAP_DISCARD_WHOLE_RESOURCE   (1 << 5)
+
+#define XA_ERR_NONE            0
+#define XA_ERR_NORES           1
+#define XA_ERR_INVAL           2
+#define XA_ERR_BUSY            3
+
+enum xa_surface_type {
+    xa_type_other,
+    xa_type_a,
+    xa_type_argb,
+    xa_type_abgr,
+    xa_type_bgra,
+    xa_type_z,
+    xa_type_zs,
+    xa_type_sz,
+    xa_type_yuv_component
+};
+
+/*
+ * Note that these formats should not be assumed to be binary compatible with
+ * pixman formats, but with the below macros and a format type map,
+ * conversion should be simple. Macros for now. We might replace with
+ * inline functions.
+ */
+
+#define xa_format(bpp,type,a,r,g,b)	(((bpp) << 24) |  \
+					 ((type) << 16) | \
+					 ((a) << 12) |	  \
+					 ((r) << 8) |	  \
+					 ((g) << 4) |	  \
+					 ((b)))
+/*
+ *  Non-RGBA one- and two component formats.
+ */
+
+#define xa_format_c(bpp,type,c1,c2) (((bpp) << 24) |	  \
+				     ((type) << 16) |	  \
+				     ((c1) << 8) |	  \
+				     ((c2)))
+#define xa_format_bpp(f)	(((f) >> 24)       )
+#define xa_format_type(f)	(((f) >> 16) & 0xff)
+#define xa_format_a(f)	(((f) >> 12) & 0x0f)
+#define xa_format_r(f)	(((f) >>  8) & 0x0f)
+#define xa_format_g(f)	(((f) >>  4) & 0x0f)
+#define xa_format_b(f)	(((f)      ) & 0x0f)
+#define xa_format_rgb(f)	(((f)      ) & 0xfff)
+#define xa_format_c1(f)          (((f) >> 8 ) & 0xff)
+#define xa_format_c2(f)          (((f)      ) & 0xff)
+#define xa_format_argb_depth(f)	(xa_format_a(f) +	\
+				 xa_format_r(f) +	\
+				 xa_format_g(f) +	\
+				 xa_format_b(f))
+#define xa_format_c_depth(f)    (xa_format_c1(f) + \
+				 xa_format_c2(f))
+
+static inline int
+xa_format_type_is_color(uint32_t xa_format)
+{
+    return (xa_format_type(xa_format) < xa_type_z);
+}
+
+static inline unsigned int
+xa_format_depth(uint32_t xa_format)
+{
+    return ((xa_format_type_is_color(xa_format)) ?
+	    xa_format_argb_depth(xa_format) : xa_format_c_depth(xa_format));
+}
+
+enum xa_formats {
+    xa_format_unknown = 0,
+    xa_format_a8 = xa_format(8, xa_type_a, 8, 0, 0, 0),
+
+    xa_format_a8r8g8b8 = xa_format(32, xa_type_argb, 8, 8, 8, 8),
+    xa_format_x8r8g8b8 = xa_format(32, xa_type_argb, 0, 8, 8, 8),
+    xa_format_r5g6b5 = xa_format(16, xa_type_argb, 0, 5, 6, 5),
+    xa_format_x1r5g5b5 = xa_format(16, xa_type_argb, 0, 5, 5, 5),
+    xa_format_a4r4g4b4 = xa_format(16, xa_type_argb, 4, 4, 4, 4),
+    xa_format_a2b10g10r10 = xa_format(32, xa_type_abgr, 2, 10, 10, 10),
+    xa_format_x2b10g10r10 = xa_format(32, xa_type_abgr, 0, 10, 10, 10),
+    xa_format_b8g8r8a8 = xa_format(32, xa_type_bgra, 8, 8, 8, 8),
+    xa_format_b8g8r8x8 = xa_format(32, xa_type_bgra, 0, 8, 8, 8),
+
+    xa_format_z16 = xa_format_c(16, xa_type_z, 16, 0),
+    xa_format_z32 = xa_format_c(32, xa_type_z, 32, 0),
+    xa_format_z24 = xa_format_c(32, xa_type_z, 24, 0),
+
+    xa_format_x8z24 = xa_format_c(32, xa_type_sz, 24, 0),
+    xa_format_s8z24 = xa_format_c(32, xa_type_sz, 24, 8),
+    xa_format_z24x8 = xa_format_c(32, xa_type_zs, 24, 0),
+    xa_format_z24s8 = xa_format_c(32, xa_type_zs, 24, 8),
+
+    xa_format_yuv8 = xa_format_c(8, xa_type_yuv_component, 8, 0)
+};
+
+struct xa_tracker;
+struct xa_surface;
+
+struct xa_box {
+    uint16_t x1, y1, x2, y2;
+};
+
+enum xa_handle_type {
+    xa_handle_type_shared,
+    xa_handle_type_kms,
+    xa_handle_type_fd,
+};
+
+extern void xa_tracker_version(int *major, int *minor, int *patch);
+
+extern struct xa_tracker *xa_tracker_create(int drm_fd);
+
+extern void xa_tracker_destroy(struct xa_tracker *xa);
+
+extern int xa_format_check_supported(struct xa_tracker *xa,
+				     enum xa_formats xa_format,
+				     unsigned int flags);
+
+extern struct xa_surface *xa_surface_create(struct xa_tracker *xa,
+					    int width,
+					    int height,
+					    int depth,
+					    enum xa_surface_type stype,
+					    enum xa_formats pform,
+					    unsigned int flags);
+
+extern struct xa_surface * xa_surface_from_handle(struct xa_tracker *xa,
+					    int width,
+					    int height,
+					    int depth,
+					    enum xa_surface_type stype,
+					    enum xa_formats pform,
+					    unsigned int flags,
+					    uint32_t handle, uint32_t stride);
+extern struct xa_surface *
+xa_surface_from_handle2(struct xa_tracker *xa,
+                        int width,
+                        int height,
+                        int depth,
+                        enum xa_surface_type stype,
+                        enum xa_formats xa_format,
+                        unsigned int flags,
+                        enum xa_handle_type type,
+                        uint32_t handle,
+                        uint32_t stride);
+
+enum xa_formats xa_surface_format(const struct xa_surface *srf);
+
+extern struct xa_surface *xa_surface_ref(struct xa_surface *srf);
+extern void xa_surface_unref(struct xa_surface *srf);
+
+extern int xa_surface_redefine(struct xa_surface *srf,
+			       int width,
+			       int height,
+			       int depth,
+			       enum xa_surface_type stype,
+			       enum xa_formats rgb_format,
+			       unsigned int new_flags,
+			       int copy_contents);
+
+extern int xa_surface_handle(struct xa_surface *srf,
+			     enum xa_handle_type type,
+			     uint32_t * handle,
+			     unsigned int *byte_stride);
+
+#endif