r300/compiler: Make calculate_inputs_outputs available to external users

In the long run, it's probably better to just get rid of InputsRead and
OutputsWritten.

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

2 files changed, 7 insertions, 2 deletions

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
index 15f8b8fd92..5bdc075447 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
@@ -43,6 +43,9 @@ struct rc_program {
 	 */
 	struct rc_instruction Instructions;
 
+	/* Long term, we should probably remove InputsRead & OutputsWritten,
+	 * since updating dependent state can be fragile, and they aren't
+	 * actually used very often. */
 	uint32_t InputsRead;
 	uint32_t OutputsWritten;
 	uint32_t ShadowSamplers; /**< Texture units used for shadow sampling. */
@@ -66,6 +69,8 @@ void rc_error(struct radeon_compiler * c, const char * fmt, ...);
 
 void rc_mesa_to_rc_program(struct radeon_compiler * c, struct gl_program * program);
 
+void rc_calculate_inputs_outputs(struct radeon_compiler * c);
+
 void rc_move_input(struct radeon_compiler * c, unsigned input, struct prog_src_register new_input);
 void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask);
 void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output);
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c b/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c
index 9d0e265a5d..aaaa50ad1f 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_nqssadce.c
@@ -252,7 +252,7 @@ static void process_instruction(struct nqssadce_state* s)
 	s->IP = s->IP->Prev;
 }
 
-static void calculateInputs(struct radeon_compiler * c)
+void rc_calculate_inputs_outputs(struct radeon_compiler * c)
 {
 	struct rc_instruction *inst;
 
@@ -290,5 +290,5 @@ void radeonNqssaDce(struct radeon_compiler * c, struct radeon_nqssadce_descr* de
 	while(s.IP != &c->Program.Instructions && !c->Error)
 		process_instruction(&s);
 
-	calculateInputs(c);
+	rc_calculate_inputs_outputs(c);
 }