From 37a418b3b05db51aea0a1010bad8118b92e0e9d6 Mon Sep 17 00:00:00 2001
From: Patrice Mandin <pmandin@caramail.com>
Date: Fri, 11 Jul 2008 21:31:24 +0200
Subject: [PATCH] nv30: split fragprog_prepare from fragprog_translate

---
 src/gallium/drivers/nv30/nv30_fragprog.c | 91 ++++++++++++++++++------
 1 file changed, 68 insertions(+), 23 deletions(-)

diff --git a/src/gallium/drivers/nv30/nv30_fragprog.c b/src/gallium/drivers/nv30/nv30_fragprog.c
index 740d3ab430d..7278bf58869 100644
--- a/src/gallium/drivers/nv30/nv30_fragprog.c
+++ b/src/gallium/drivers/nv30/nv30_fragprog.c
@@ -1,7 +1,6 @@
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_state.h"
-#include "pipe/p_util.h"
 
 #include "pipe/p_shader_tokens.h"
 #include "tgsi/util/tgsi_parse.h"
@@ -650,30 +649,22 @@ nv30_fragprog_parse_decl_output(struct nv30_fpc *fpc,
 	return TRUE;
 }
 
-void
-nv30_fragprog_translate(struct nv30_context *nv30,
-			struct nv30_fragment_program *fp)
+static boolean
+nv30_fragprog_prepare(struct nv30_fpc *fpc)
 {
-	struct tgsi_parse_context parse;
-	struct nv30_fpc *fpc = NULL;
-
-	fpc = CALLOC(1, sizeof(struct nv30_fpc));
-	if (!fpc)
-		return;
-	fpc->fp = fp;
-	fpc->high_temp = -1;
-	fpc->num_regs = 2;
+	struct tgsi_parse_context p;
+	/*int high_temp = -1, i;*/
 
-	tgsi_parse_init(&parse, fp->pipe.tokens);
+	tgsi_parse_init(&p, fpc->fp->pipe.tokens);
+	while (!tgsi_parse_end_of_tokens(&p)) {
+		const union tgsi_full_token *tok = &p.FullToken;
 
-	while (!tgsi_parse_end_of_tokens(&parse)) {
-		tgsi_parse_token(&parse);
-
-		switch (parse.FullToken.Token.Type) {
+		tgsi_parse_token(&p);
+		switch(tok->Token.Type) {
 		case TGSI_TOKEN_TYPE_DECLARATION:
 		{
 			const struct tgsi_full_declaration *fdec;
-			fdec = &parse.FullToken.FullDeclaration;
+			fdec = &p.FullToken.FullDeclaration;
 			switch (fdec->Declaration.File) {
 			case TGSI_FILE_INPUT:
 				if (!nv30_fragprog_parse_decl_attrib(fpc, fdec))
@@ -683,6 +674,12 @@ nv30_fragprog_translate(struct nv30_context *nv30,
 				if (!nv30_fragprog_parse_decl_output(fpc, fdec))
 					goto out_err;
 				break;
+			/*case TGSI_FILE_TEMPORARY:
+				if (fdec->DeclarationRange.Last > high_temp) {
+					high_temp =
+						fdec->DeclarationRange.Last;
+				}
+				break;*/
 			default:
 				break;
 			}
@@ -692,17 +689,65 @@ nv30_fragprog_translate(struct nv30_context *nv30,
 		{
 			struct tgsi_full_immediate *imm;
 			float vals[4];
-			int i;
 			
-			imm = &parse.FullToken.FullImmediate;
+			imm = &p.FullToken.FullImmediate;
 			assert(imm->Immediate.DataType == TGSI_IMM_FLOAT32);
 			assert(fpc->nr_imm < MAX_IMM);
 
-			for (i = 0; i < 4; i++)
-				vals[i] = imm->u.ImmediateFloat32[i].Float;
+			vals[0] = imm->u.ImmediateFloat32[0].Float;
+			vals[1] = imm->u.ImmediateFloat32[1].Float;
+			vals[2] = imm->u.ImmediateFloat32[2].Float;
+			vals[3] = imm->u.ImmediateFloat32[3].Float;
 			fpc->imm[fpc->nr_imm++] = constant(fpc, -1, vals);
 		}
 			break;
+		default:
+			break;
+		}
+	}
+	tgsi_parse_free(&p);
+
+	/*if (++high_temp) {
+		fpc->r_temp = CALLOC(high_temp, sizeof(struct nv30_sreg));
+		for (i = 0; i < high_temp; i++)
+			fpc->r_temp[i] = temp(fpc);
+		fpc->r_temps_discard = 0;
+	}*/
+
+	return TRUE;
+
+out_err:
+	/*if (fpc->r_temp)
+		FREE(fpc->r_temp);*/
+	tgsi_parse_free(&p);
+	return FALSE;
+}
+
+void
+nv30_fragprog_translate(struct nv30_context *nv30,
+			struct nv30_fragment_program *fp)
+{
+	struct tgsi_parse_context parse;
+	struct nv30_fpc *fpc = NULL;
+
+	fpc = CALLOC(1, sizeof(struct nv30_fpc));
+	if (!fpc)
+		return;
+	fpc->fp = fp;
+	fpc->high_temp = -1;
+	fpc->num_regs = 2;
+
+	if (!nv30_fragprog_prepare(fpc)) {
+		FREE(fpc);
+		return;
+	}
+
+	tgsi_parse_init(&parse, fp->pipe.tokens);
+
+	while (!tgsi_parse_end_of_tokens(&parse)) {
+		tgsi_parse_token(&parse);
+
+		switch (parse.FullToken.Token.Type) {
 		case TGSI_TOKEN_TYPE_INSTRUCTION:
 		{
 			const struct tgsi_full_instruction *finst;
-- 
2.30.2