add missing files

2007-08-25 22:05:16 +01:00
parent 3f8b5e3951
commit b0455958cc
2 changed files with 195 additions and 0 deletions
--- a/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/src/mesa/state_tracker/st_atom_constbuf.c
@@ -0,0 +1,129 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 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>
+  *   Brian Paul
+  */
+
+#include "shader/prog_parameter.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_winsys.h"
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_program.h"
+
+static void upload_constants( struct st_context *st,
+			      struct gl_program_parameter_list *params,
+			      unsigned id)
+{
+   struct pipe_winsys *ws = st->pipe->winsys;
+   struct pipe_constant_buffer *cbuf = &st->state.constants[id];
+
+   /* update constants */
+   if (params && params->NumParameters) {
+      const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4;
+
+      /* Update our own dependency flags.  This works because this
+       * function will also be called whenever the program changes.
+       */
+      st->constants.tracked_state[id].dirty.mesa = params->StateFlags;
+
+      _mesa_load_state_parameters(st->ctx, params);
+
+      if (!cbuf->buffer)   
+	 cbuf->buffer = ws->buffer_create(ws, 1);
+
+      if (0)
+      {
+	 int i;
+
+	 _mesa_printf("%s(%d): %d / %x\n", 
+		      __FUNCTION__, id, params->NumParameters, params->StateFlags);
+
+	 for (i = 0; i < params->NumParameters; i++)
+	    fprintf(stderr, "%d: %f %f %f %f\n", i,
+		    params->ParameterValues[i][0],
+		    params->ParameterValues[i][1],
+		    params->ParameterValues[i][2],
+		    params->ParameterValues[i][3]);
+      }
+
+      /* load Mesa constants into the constant buffer */
+      ws->buffer_data(ws, cbuf->buffer, paramBytes, params->ParameterValues);
+
+      cbuf->size = paramBytes;
+
+      st->pipe->set_constant_buffer(st->pipe, id, 0, cbuf);
+   }
+   else {
+      st->constants.tracked_state[id].dirty.mesa = 0;
+      //  st->pipe->set_constant_buffer(st->pipe, id, 0, NULL);
+   }
+}
+
+/* Vertex shader:
+ */
+static void update_vs_constants(struct st_context *st )
+{
+   struct st_vertex_program *vp = st->vp;
+   struct gl_program_parameter_list *params = vp->Base.Base.Parameters;
+
+   upload_constants( st, params, PIPE_SHADER_VERTEX );
+}
+
+const struct st_tracked_state st_update_vs_constants = {
+   .name = "st_update_vs_constants",
+   .dirty = {
+      .mesa  = 0, 
+      .st   = ST_NEW_VERTEX_PROGRAM,
+   },
+   .update = update_vs_constants
+};
+
+/* Fragment shader:
+ */
+static void update_fs_constants(struct st_context *st )
+{
+   struct st_fragment_program *fp = st->fp;
+   struct gl_program_parameter_list *params = fp->Base.Base.Parameters;
+
+   upload_constants( st, params, PIPE_SHADER_FRAGMENT );
+}
+
+const struct st_tracked_state st_update_fs_constants = {
+   .name = "st_update_fs_constants",
+   .dirty = {
+      .mesa  = 0, 
+      .st   = ST_NEW_FRAGMENT_PROGRAM,
+   },
+   .update = update_fs_constants
+};
+