1 files changed, 102 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_fs.c b/src/mesa/state_tracker/st_atom_fs.c
new file mode 100644
index 0000000000..9ca1807913
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_fs.c
@@ -0,0 +1,102 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+ /*
+  * Authors:
+  *   Keith Whitwell <keith@tungstengraphics.com>
+  */
+                   
+#include "shader/prog_parameter.h"
+#include "st_context.h"
+#include "pipe/p_context.h"
+#include "st_atom.h"
+#include "st_program.h"
+#include "pipe/tgsi/mesa/mesa_to_tgsi.h"
+#include "pipe/tgsi/core/tgsi_dump.h"
+
+static void compile_fs( struct st_context *st,
+			struct st_fragment_program *fs )
+{
+   /* XXX: fix static allocation of tokens:
+    */
+   tgsi_mesa_compile_fp_program( &fs->Base, fs->tokens, ST_FP_MAX_TOKENS );
+
+   tgsi_dump( fs->tokens, TGSI_DUMP_VERBOSE );
+}
+
+
+static void update_fs( struct st_context *st )
+{
+   struct pipe_fs_state fs;
+   struct st_fragment_program *fp = NULL;
+   struct gl_program_parameter_list *params = NULL;
+
+   if (st->ctx->Shader.CurrentProgram &&
+       st->ctx->Shader.CurrentProgram->LinkStatus &&
+       st->ctx->Shader.CurrentProgram->FragmentProgram) {
+      struct gl_fragment_program *f
+         = st->ctx->Shader.CurrentProgram->FragmentProgram;
+      fp = st_fragment_program(f);
+      params = f->Base.Parameters;
+   }
+   else if (st->ctx->FragmentProgram._Current) {
+      fp = st_fragment_program(st->ctx->FragmentProgram._Current);
+      params = st->ctx->FragmentProgram._Current->Base.Parameters;
+   }
+
+   if (fp && params) {
+      /* load program's constants array */
+      fp->constants.nr_constants = params->NumParameters;
+      memcpy(fp->constants.constant, 
+             params->ParameterValues,
+             params->NumParameters * sizeof(GLfloat) * 4);
+   }
+
+   if (fp->dirty)
+      compile_fs( st, fp );
+
+   memset( &fs, 0, sizeof(fs) );
+   fs.inputs_read = fp->Base.Base.InputsRead;
+   fs.tokens = &fp->tokens[0];
+   fs.constants = &fp->constants;
+   
+   if (memcmp(&fs, &st->state.fs, sizeof(fs)) != 0 ||
+       fp->dirty) 
+   {
+      fp->dirty = 0;
+      st->state.fs = fs;
+      st->pipe->set_fs_state(st->pipe, &fs);
+   }
+}
+
+
+const struct st_tracked_state st_update_fs = {
+   .dirty = {
+      .mesa  = _NEW_PROGRAM,
+      .st   = ST_NEW_FRAGMENT_PROGRAM,
+   },
+   .update = update_fs
+};