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-rw-r--r--src/gallium/targets/graw-xlib/SConscript51
-rw-r--r--src/gallium/targets/graw-xlib/graw.h36
-rw-r--r--src/gallium/targets/graw-xlib/graw_xlib.c181
3 files changed, 268 insertions, 0 deletions
diff --git a/src/gallium/targets/graw-xlib/SConscript b/src/gallium/targets/graw-xlib/SConscript
new file mode 100644
index 0000000000..979252b22d
--- /dev/null
+++ b/src/gallium/targets/graw-xlib/SConscript
@@ -0,0 +1,51 @@
+#######################################################################
+# SConscript for xlib winsys
+
+Import('*')
+
+if env['platform'] != 'linux':
+ Return()
+
+env = env.Clone()
+
+env.Prepend(LIBS = [
+ ws_xlib,
+ trace,
+ identity,
+# gallium,
+])
+
+env.Append(CPPPATH = [
+ '#src/gallium/drivers',
+])
+
+
+sources = [
+ 'graw_xlib.c',
+]
+
+if True:
+ env.Append(CPPDEFINES = 'GALLIUM_SOFTPIPE')
+ env.Prepend(LIBS = [softpipe])
+
+if env['llvm']:
+ env.Append(CPPDEFINES = 'GALLIUM_LLVMPIPE')
+ env.Tool('udis86')
+ env.Prepend(LIBS = [llvmpipe])
+
+# Need this for trace, identity drivers referenced by
+# gallium_wrap_screen().
+#
+env.Prepend(LIBS = [gallium])
+
+# TODO: write a wrapper function http://www.scons.org/wiki/WrapperFunctions
+graw = env.SharedLibrary(
+ target ='graw',
+ source = sources,
+)
+
+env.InstallSharedLibrary(graw, version=(1, 0))
+
+graw = env.FindIxes(graw, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+
+Export('graw')
diff --git a/src/gallium/targets/graw-xlib/graw.h b/src/gallium/targets/graw-xlib/graw.h
new file mode 100644
index 0000000000..a58e18e473
--- /dev/null
+++ b/src/gallium/targets/graw-xlib/graw.h
@@ -0,0 +1,36 @@
+#ifndef GALLIUM_RAW_H
+#define GALLIUM_RAW_H
+
+/* This is an API for exercising gallium functionality in a
+ * platform-neutral fashion. Whatever platform integration is
+ * necessary to implement this interface is orchestrated by the
+ * individual target building this entity.
+ *
+ * For instance, the graw-xlib target includes code to implent these
+ * interfaces on top of the X window system.
+ *
+ * Programs using this interface may additionally benefit from some of
+ * the utilities currently in the libgallium.a library, especially
+ * those for parsing text representations of TGSI shaders.
+ */
+
+#include "pipe/p_format.h"
+
+struct pipe_screen;
+
+struct pipe_screen *graw_init( void );
+
+/* Returns a handle to be used with flush_frontbuffer()/present().
+ *
+ * Query format support with screen::is_format_supported and usage
+ * XXX.
+ */
+void *graw_create_window( int x,
+ int y,
+ unsigned width,
+ unsigned height,
+ enum pipe_format format );
+
+void graw_destroy_window( void *handle );
+
+#endif
diff --git a/src/gallium/targets/graw-xlib/graw_xlib.c b/src/gallium/targets/graw-xlib/graw_xlib.c
new file mode 100644
index 0000000000..fb8ef9d78b
--- /dev/null
+++ b/src/gallium/targets/graw-xlib/graw_xlib.c
@@ -0,0 +1,181 @@
+#include "pipe/p_compiler.h"
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+#include "target-helpers/wrap_screen.h"
+#include "state_tracker/xlib_sw_winsys.h"
+
+#ifdef GALLIUM_SOFTPIPE
+#include "softpipe/sp_public.h"
+#endif
+
+#ifdef GALLIUM_LLVMPIPE
+#include "llvmpipe/lp_public.h"
+#endif
+
+/* Haven't figured out a decent way to build the helper code yet -
+ * #include it here temporarily.
+ */
+#include "sw/sw_public.h"
+#include "sw/sw.c"
+
+#include "graw.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include <stdio.h>
+
+static struct {
+ Display *display;
+} graw;
+
+
+struct pipe_screen *
+graw_init( void )
+{
+ const char *default_driver;
+ const char *driver;
+ struct pipe_screen *screen = NULL;
+ struct sw_winsys *winsys = NULL;
+
+ graw.display = XOpenDisplay(NULL);
+ if (graw.display == NULL)
+ return NULL;
+
+ /* Create the underlying winsys, which performs presents to Xlib
+ * drawables:
+ */
+ winsys = xlib_create_sw_winsys( graw.display );
+ if (winsys == NULL)
+ return NULL;
+
+#if defined(GALLIUM_LLVMPIPE)
+ default_driver = "llvmpipe";
+#elif defined(GALLIUM_SOFTPIPE)
+ default_driver = "softpipe";
+#else
+ default_driver = "";
+#endif
+
+ driver = debug_get_option("GALLIUM_DRIVER", default_driver);
+
+#if defined(GALLIUM_LLVMPIPE)
+ if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
+ screen = llvmpipe_create_screen( winsys );
+#endif
+
+#if defined(GALLIUM_SOFTPIPE)
+ if (screen == NULL)
+ screen = softpipe_create_screen( winsys );
+#endif
+
+ /* Inject any wrapping layers we want to here:
+ */
+ return gallium_wrap_screen( screen );
+}
+
+
+
+
+
+void *
+graw_create_window( int x,
+ int y,
+ unsigned width,
+ unsigned height,
+ enum pipe_format format )
+{
+ struct xlib_drawable *handle = NULL;
+ XSetWindowAttributes attr;
+ Window root;
+ Window win = 0;
+ XVisualInfo templat, *visinfo = NULL;
+ unsigned mask;
+ int n;
+ int scrnum;
+
+
+ scrnum = DefaultScreen( graw.display );
+ root = RootWindow( graw.display, scrnum );
+
+
+ if (format != PIPE_FORMAT_R8G8B8A8_UNORM)
+ goto fail;
+
+ if (graw.display == NULL)
+ goto fail;
+
+ handle = CALLOC_STRUCT(xlib_drawable);
+ if (handle == NULL)
+ goto fail;
+
+
+ mask = VisualScreenMask | VisualDepthMask | VisualClassMask;
+ templat.screen = DefaultScreen(graw.display);
+ templat.depth = 32;
+ templat.class = TrueColor;
+
+ visinfo = XGetVisualInfo(graw.display, mask, &templat, &n);
+ if (!visinfo) {
+ printf("Error: couldn't get an RGB, Double-buffered visual\n");
+ exit(1);
+ }
+
+ /* window attributes */
+ attr.background_pixel = 0;
+ attr.border_pixel = 0;
+ attr.colormap = XCreateColormap( graw.display, root, visinfo->visual, AllocNone);
+ attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+ /* XXX this is a bad way to get a borderless window! */
+ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+ win = XCreateWindow( graw.display, root, x, y, width, height,
+ 0, visinfo->depth, InputOutput,
+ visinfo->visual, mask, &attr );
+
+
+ /* set hints and properties */
+ {
+ char *name = NULL;
+ XSizeHints sizehints;
+ sizehints.x = x;
+ sizehints.y = y;
+ sizehints.width = width;
+ sizehints.height = height;
+ sizehints.flags = USSize | USPosition;
+ XSetNormalHints(graw.display, win, &sizehints);
+ XSetStandardProperties(graw.display, win, name, name,
+ None, (char **)NULL, 0, &sizehints);
+ }
+
+ XFree(visinfo);
+ XMapWindow(graw.display, win);
+ while (1) {
+ XEvent e;
+ XNextEvent( graw.display, &e );
+ if (e.type == MapNotify && e.xmap.window == win) {
+ break;
+ }
+ }
+
+ handle->visual = visinfo->visual;
+ handle->drawable = (Drawable)win;
+ handle->depth = visinfo->depth;
+ return (void *)handle;
+
+fail:
+ FREE(handle);
+ XFree(visinfo);
+
+ if (win)
+ XDestroyWindow(graw.display, win);
+
+ return NULL;
+}
+
+
+void
+graw_destroy_window( void *xlib_drawable )
+{
+}
+
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