r300: Introduce rc_program and use it in radeon_pair

The goal is to convert both Mesa and TGSI programs into an intermediate format
that happens to be convenient for us.

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

1 files changed, 18 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
index 6c5a2e5c8c..9b9b9c5c65 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
@@ -150,8 +150,26 @@ struct rX00_fragment_program_code {
 	gl_frag_attrib fog_attr;
 };
 
+struct rc_instruction {
+	struct rc_instruction * Prev;
+	struct rc_instruction * Next;
+	struct prog_instruction I;
+};
+
+struct rc_program {
+	/**
+	 * Instructions.Next points to the first instruction,
+	 * Instructions.Prev points to the last instruction.
+	 */
+	struct rc_instruction Instructions;
+
+	GLbitfield InputsRead;
+	GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */
+};
+
 struct radeon_compiler {
 	struct memory_pool Pool;
+	struct rc_program Program;
 	GLboolean Debug;
 };