[drm] Add start of a drm plugin

This commit adds most of the non-driver specific bits
necessary for backing a renderer plugin.

Subsequent commits will add the driver specific bits.

configure.ac

@@ -56,6 +56,10 @@ PKG_CHECK_MODULES(GTK, [gtk+-2.0 >= 2.12.0 ])
 AC_SUBST(GTK_CFLAGS)
 AC_SUBST(GTK_LIBS)
 
+PKG_CHECK_MODULES(DRM, [libdrm])
+AC_SUBST(DRM_CFLAGS)
+AC_SUBST(DRM_LIBS)
+
 AC_ARG_ENABLE(tracing, AS_HELP_STRING([--enable-tracing],[enable verbose tracing code]),enable_tracing=$enableval,enable_tracing=yes)
 
 if test x$enable_tracing = xyes; then
@@ -211,6 +215,7 @@ AC_OUTPUT([Makefile
            src/plugins/Makefile
            src/plugins/renderers/Makefile
            src/plugins/renderers/frame-buffer/Makefile
+           src/plugins/renderers/drm/Makefile
            src/plugins/splash/Makefile
            src/plugins/splash/throbgress/Makefile
            src/plugins/splash/fade-throbber/Makefile

scripts/plymouth-populate-initrd.in

@@ -93,6 +93,7 @@ fi
 
 inst ${PLYMOUTH_PLUGIN_PATH}/${PLYMOUTH_MODULE_NAME}.so $INITRDDIR
 
+inst ${PLYMOUTH_PLUGIN_PATH}/renderers/drm.so $INITRDDIR
 inst ${PLYMOUTH_PLUGIN_PATH}/renderers/frame-buffer.so $INITRDDIR
 
 if [ -d ${DATADIR}/plymouth/themes/${PLYMOUTH_THEME_NAME} ]; then

src/libplybootsplash/ply-renderer.c

@@ -220,6 +220,7 @@ ply_renderer_open (ply_renderer_t *renderer)
    */
   const char *known_plugins[] =
     {
+      PLYMOUTH_PLUGIN_PATH "renderers/drm.so",
       PLYMOUTH_PLUGIN_PATH "renderers/frame-buffer.so",
       NULL
     };

src/plugins/renderers/Makefile.am

@@ -1,2 +1,2 @@
-SUBDIRS = frame-buffer
+SUBDIRS = frame-buffer drm
 MAINTAINERCLEANFILES = Makefile.in

src/plugins/renderers/drm/Makefile.am

@@ -0,0 +1,21 @@
+INCLUDES = -I$(top_srcdir)                                                    \
+           -I$(srcdir)/../../../libply                                        \
+           -I$(srcdir)/../../../libplybootsplash                              \
+           -I$(srcdir)/../../..                                               \
+           -I$(srcdir)/../..                                                  \
+           -I$(srcdir)/..                                                     \
+           -I$(srcdir)
+
+plugindir = $(libdir)/plymouth/renderers
+plugin_LTLIBRARIES = drm.la
+
+drm_la_CFLAGS = $(PLYMOUTH_CFLAGS) $(DRM_CFLAGS)
+
+drm_la_LDFLAGS = -module -avoid-version -export-dynamic
+drm_la_LIBADD = $(PLYMOUTH_LIBS) $(DRM_LIBS)                                  \
+                         ../../../libply/libply.la                            \
+                         ../../../libplybootsplash/libplybootsplash.la
+drm_la_SOURCES = $(srcdir)/plugin.c                                           \
+		 $(srcdir)/ply-renderer-driver.h
+
+MAINTAINERCLEANFILES = Makefile.in

src/plugins/renderers/drm/ply-renderer-driver.h

@@ -0,0 +1,67 @@
+/* ply-renderer-driver.h
+ *
+ * Copyright (C) 2009 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written By: Ray Strode <rstrode@redhat.com>
+ */
+#ifndef PLY_RENDERER_DRIVER_H
+#define PLY_RENDERER_DRIVER_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "ply-list.h"
+#include "ply-rectangle.h"
+#include "ply-utils.h"
+
+typedef struct _ply_renderer_driver ply_renderer_driver_t;
+
+typedef struct
+{
+    ply_renderer_driver_t * (* create_driver) (int device_fd);
+
+    void (* destroy_driver) (ply_renderer_driver_t *driver);
+
+    uint32_t (* create_buffer) (ply_renderer_driver_t *driver,
+                                unsigned long          width,
+                                unsigned long          height,
+                                unsigned long         *row_stride);
+    bool (* fetch_buffer) (ply_renderer_driver_t *driver,
+                           uint32_t               buffer_id,
+                           unsigned long         *width,
+                           unsigned long         *height,
+                           unsigned long         *row_stride);
+
+    bool (* map_buffer) (ply_renderer_driver_t *driver,
+                         uint32_t               buffer_id);
+
+    void (* unmap_buffer) (ply_renderer_driver_t *driver,
+                           uint32_t               buffer_id);
+
+    char * (* begin_flush) (ply_renderer_driver_t *driver,
+                            uint32_t               buffer_id);
+    void (* end_flush) (ply_renderer_driver_t *driver,
+                        uint32_t               buffer_id);
+
+    void (* destroy_buffer) (ply_renderer_driver_t *driver,
+                             uint32_t               buffer_id);
+
+} ply_renderer_driver_interface_t;
+
+#endif /* PLY_RENDERER_DRIVER_H */
+/* vim: set ts=4 sw=4 et ai ci cino={.5s,^-2,+.5s,t0,g0,e-2,n-2,p2s,(0,=.5s,:.5s */