r300: Move Mesa -> RC program conversion to classic Mesa driver

This really doesn't belong into the compiler itself, since the compiler
should eventually be independent of Mesa's program representation.

Signed-off-by: Nicolai Hähnle <nhaehnle@gmail.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/r300/radeon_mesa_to_rc.c b/src/mesa/drivers/dri/r300/radeon_mesa_to_rc.c
new file mode 100644
index 0000000000..13b9d3541f
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/radeon_mesa_to_rc.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2009 Nicolai Haehnle.
+ *
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "radeon_mesa_to_rc.h"
+
+#include "main/mtypes.h"
+#include "shader/prog_parameter.h"
+
+#include "compiler/radeon_compiler.h"
+#include "compiler/radeon_program.h"
+
+
+void radeon_mesa_to_rc_program(struct radeon_compiler * c, struct gl_program * program)
+{
+	struct prog_instruction *source;
+	unsigned int i;
+
+	for(source = program->Instructions; source->Opcode != OPCODE_END; ++source) {
+		struct rc_instruction * dest = rc_insert_new_instruction(c, c->Program.Instructions.Prev);
+		dest->I = *source;
+	}
+
+	c->Program.ShadowSamplers = program->ShadowSamplers;
+	c->Program.InputsRead = program->InputsRead;
+	c->Program.OutputsWritten = program->OutputsWritten;
+
+	for(i = 0; i < program->Parameters->NumParameters; ++i) {
+		struct rc_constant constant;
+
+		constant.Type = RC_CONSTANT_EXTERNAL;
+		constant.Size = 4;
+		constant.u.External = i;
+
+		rc_constants_add(&c->Program.Constants, &constant);
+	}
+}