1 files changed, 115 insertions, 0 deletions
diff --git a/src/gallium/tests/graw/clear.c b/src/gallium/tests/graw/clear.c
new file mode 100644
index 00000000000..ce52a93aa1b
--- /dev/null
+++ b/src/gallium/tests/graw/clear.c
@@ -0,0 +1,115 @@
+/* Display a cleared blue window.  This demo has no dependencies on
+ * any utility code, just the graw interface and gallium.
+ */
+
+#include "state_tracker/graw.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+
+#include "util/u_debug.h"       /* debug_dump_surface_bmp() */
+
+enum pipe_format formats[] = {
+   PIPE_FORMAT_R8G8B8A8_UNORM,
+   PIPE_FORMAT_B8G8R8A8_UNORM,
+   PIPE_FORMAT_NONE
+};
+
+static const int WIDTH = 300;
+static const int HEIGHT = 300;
+
+struct pipe_screen *screen;
+struct pipe_context *ctx;
+struct pipe_surface *surf;
+static void *window = NULL;
+
+static void draw( void )
+{
+   float clear_color[4] = {1,0,1,1};
+
+   ctx->clear(ctx, PIPE_CLEAR_COLOR, clear_color, 0, 0);
+   ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+#if 0
+   /* At the moment, libgraw leaks out/makes available some of the
+    * symbols from gallium/auxiliary, including these debug helpers.
+    * Will eventually want to bless some of these paths, and lock the
+    * others down so they aren't accessible from test programs.
+    *
+    * This currently just happens to work on debug builds - a release
+    * build will probably fail to link here:
+    */
+   debug_dump_surface_bmp(ctx, "result.bmp", surf);
+#endif
+
+   screen->flush_frontbuffer(screen, surf, window);
+}
+
+static void init( void )
+{
+   struct pipe_framebuffer_state fb;
+   struct pipe_resource *tex, templat;
+   int i;
+
+   /* It's hard to say whether window or screen should be created
+    * first.  Different environments would prefer one or the other.
+    *
+    * Also, no easy way of querying supported formats if the screen
+    * cannot be created first.
+    */
+   for (i = 0; 
+        window == NULL && formats[i] != PIPE_FORMAT_NONE;
+        i++) {
+      
+      screen = graw_create_window_and_screen(0,0,300,300,
+                                             formats[i],
+                                             &window);
+   }
+   if (window == NULL)
+      exit(2);
+   
+   ctx = screen->context_create(screen, NULL);
+   if (ctx == NULL)
+      exit(3);
+
+   templat.target = PIPE_TEXTURE_2D;
+   templat.format = formats[i];
+   templat.width0 = WIDTH;
+   templat.height0 = HEIGHT;
+   templat.depth0 = 1;
+   templat.last_level = 0;
+   templat.nr_samples = 1;
+   templat.bind = (PIPE_BIND_RENDER_TARGET |
+                   PIPE_BIND_DISPLAY_TARGET);
+   
+   tex = screen->resource_create(screen,
+                                 &templat);
+   if (tex == NULL)
+      exit(4);
+
+   surf = screen->get_tex_surface(screen, tex, 0, 0, 0,
+                                  PIPE_BIND_RENDER_TARGET |
+                                  PIPE_BIND_DISPLAY_TARGET);
+   if (surf == NULL)
+      exit(5);
+
+   memset(&fb, 0, sizeof fb);
+   fb.nr_cbufs = 1;
+   fb.width = WIDTH;
+   fb.height = HEIGHT;
+   fb.cbufs[0] = surf;
+
+   ctx->set_framebuffer_state(ctx, &fb);
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   init();
+
+   graw_set_display_func( draw );
+   graw_main_loop();
+   return 0;
+}