1 files changed, 92 insertions, 0 deletions
diff --git a/src/gallium/targets/graw-null/graw_util.c b/src/gallium/targets/graw-null/graw_util.c
new file mode 100644
index 00000000000..e5cf526d33a
--- /dev/null
+++ b/src/gallium/targets/graw-null/graw_util.c
@@ -0,0 +1,92 @@
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "tgsi/tgsi_text.h"
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+#include "state_tracker/graw.h"
+
+
+/* Helper functions.  These are the same for all graw implementations.
+ */
+PUBLIC void *
+graw_parse_geometry_shader(struct pipe_context *pipe,
+                           const char *text)
+{
+   struct tgsi_token tokens[1024];
+   struct pipe_shader_state state;
+
+   if (!tgsi_text_translate(text, tokens, Elements(tokens)))
+      return NULL;
+
+   state.tokens = tokens;
+   return pipe->create_gs_state(pipe, &state);
+}
+
+PUBLIC void *
+graw_parse_vertex_shader(struct pipe_context *pipe,
+                         const char *text)
+{
+   struct tgsi_token tokens[1024];
+   struct pipe_shader_state state;
+
+   if (!tgsi_text_translate(text, tokens, Elements(tokens)))
+      return NULL;
+
+   state.tokens = tokens;
+   return pipe->create_vs_state(pipe, &state);
+}
+
+PUBLIC void *
+graw_parse_fragment_shader(struct pipe_context *pipe,
+                           const char *text)
+{
+   struct tgsi_token tokens[1024];
+   struct pipe_shader_state state;
+
+   if (!tgsi_text_translate(text, tokens, Elements(tokens)))
+      return NULL;
+
+   state.tokens = tokens;
+   return pipe->create_fs_state(pipe, &state);
+}
+
+static char out_filename[256] = "";
+
+PUBLIC boolean
+graw_parse_args(int *argi,
+                int argc,
+                char *argv[])
+{
+   if (strcmp(argv[*argi], "-o") == 0) {
+      if (*argi + 1 >= argc) {
+         return FALSE;
+      }
+
+      strncpy(out_filename, argv[*argi + 1], sizeof(out_filename) - 1);
+      out_filename[sizeof(out_filename) - 1] = '\0';
+      *argi += 2;
+      return TRUE;
+   }
+
+   return FALSE;
+}
+
+PUBLIC boolean
+graw_save_surface_to_file(struct pipe_context *pipe,
+                          struct pipe_surface *surface,
+                          const char *filename)
+{
+   if (!filename || !*filename) {
+      filename = out_filename;
+      if (!filename || !*filename) {
+         return FALSE;
+      }
+   }
+
+   /* XXX: Make that working in release builds.
+    */
+   debug_dump_surface_bmp(pipe, filename, surface);
+   return TRUE;
+}