Mesa (master): draw: new draw_fs.[ch] files

[Brian Paul]

Module: Mesa
Branch: master
Commit: b3a647276e5fae570628826961c9b86612c2a2c6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b3a647276e5fae570628826961c9b86612c2a2c6

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Sep 21 10:07:52 2010 -0600

draw: new draw_fs.[ch] files

---

 src/gallium/auxiliary/draw/draw_fs.c |   73 ++++++++++++++++++++++++++++++++++
 src/gallium/auxiliary/draw/draw_fs.h |   42 +++++++++++++++++++
 2 files changed, 115 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_fs.c b/src/gallium/auxiliary/draw/draw_fs.c
new file mode 100644
index 0000000..1543bd8
--- /dev/null
+++ b/src/gallium/auxiliary/draw/draw_fs.c
@@ -0,0 +1,73 @@
+/**************************************************************************
+ *
+ * Copyright 2010 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+#include "pipe/p_shader_tokens.h"
+
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "util/u_prim.h"
+
+#include "tgsi/tgsi_parse.h"
+
+#include "draw_fs.h"
+#include "draw_private.h"
+#include "draw_context.h"
+
+
+struct draw_fragment_shader *
+draw_create_fragment_shader(struct draw_context *draw,
+                            const struct pipe_shader_state *shader)
+{
+   struct draw_fragment_shader *dfs;
+
+   dfs = CALLOC_STRUCT(draw_fragment_shader);
+   if (dfs) {
+      dfs->base = *shader;
+      tgsi_scan_shader(shader->tokens, &dfs->info);
+   }
+
+   return dfs;
+}
+
+
+void
+draw_bind_fragment_shader(struct draw_context *draw,
+                          struct draw_fragment_shader *dfs)
+{
+   draw_do_flush(draw, DRAW_FLUSH_STATE_CHANGE);
+
+   draw->fs.fragment_shader = dfs;
+}
+
+
+void
+draw_delete_fragment_shader(struct draw_context *draw,
+                            struct draw_fragment_shader *dfs)
+{
+   FREE(dfs);
+}
+
diff --git a/src/gallium/auxiliary/draw/draw_fs.h b/src/gallium/auxiliary/draw/draw_fs.h
new file mode 100644
index 0000000..44995b8
--- /dev/null
+++ b/src/gallium/auxiliary/draw/draw_fs.h
@@ -0,0 +1,42 @@
+/**************************************************************************
+ *
+ * Copyright 2010 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+#ifndef DRAW_FS_H
+#define DRAW_FS_H
+
+
+#include "tgsi/tgsi_scan.h"
+
+
+struct draw_fragment_shader
+{
+   struct pipe_shader_state base;
+   struct tgsi_shader_info info;
+};
+
+
+#endif /* DRAW_FS_H */