From 281dad225947b4f00bfc5e785d92d2a7c2f06afe Mon Sep 17 00:00:00 2001
From: michal <michal@michal-laptop.(none)>
Date: Tue, 7 Aug 2007 12:50:12 +0100
Subject: [PATCH] Handle labels for IF/ELSE correctly

---
 src/mesa/pipe/tgsi/core/tgsi_dump.c    | 18 ++++++++++++++++--
 src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c |  9 +++++++--
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/mesa/pipe/tgsi/core/tgsi_dump.c b/src/mesa/pipe/tgsi/core/tgsi_dump.c
index 68b81b7ffe9..641339c8960 100644
--- a/src/mesa/pipe/tgsi/core/tgsi_dump.c
+++ b/src/mesa/pipe/tgsi/core/tgsi_dump.c
@@ -686,12 +686,15 @@ dump_immediate_verbose(
 static void
 dump_instruction_short(
    struct text_dump *dump,
-   struct tgsi_full_instruction *inst )
+   struct tgsi_full_instruction *inst,
+   GLuint instno )
 {
    GLuint i;
    GLboolean first_reg = GL_TRUE;
 
    CHR( '\n' );
+   UID( instno );
+   CHR( ':' );
    ENM( inst->Instruction.Opcode, TGSI_OPCODES_SHORT );
 
    switch( inst->Instruction.Saturate ) {
@@ -781,6 +784,14 @@ dump_instruction_short(
 
       first_reg = GL_FALSE;
    }
+
+   switch( inst->Instruction.Opcode ) {
+   case TGSI_OPCODE_IF:
+   case TGSI_OPCODE_ELSE:
+      TXT( " : " );
+      UID( inst->InstructionExtLabel.Label );
+      break;
+   }
 }
 
 static void
@@ -1140,6 +1151,7 @@ tgsi_dump(
    GLuint verbose = flags & TGSI_DUMP_VERBOSE;
    GLuint ignored = !(flags & TGSI_DUMP_NO_IGNORED);
    GLuint deflt = !(flags & TGSI_DUMP_NO_DEFAULT);
+   GLuint instno = 0;
 
    {
 #if 0
@@ -1206,7 +1218,9 @@ tgsi_dump(
       case TGSI_TOKEN_TYPE_INSTRUCTION:
          dump_instruction_short(
             dump,
-            &parse.FullToken.FullInstruction );
+            &parse.FullToken.FullInstruction,
+            instno );
+         instno++;
          break;
 
       default:
diff --git a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
index 15f4d1e197d..654ec9ac68a 100644
--- a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
+++ b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c
@@ -158,6 +158,7 @@ compile_instruction(
    const struct prog_instruction *inst,
    struct tgsi_full_instruction *fullinst,
    GLuint inputs_read,
+   GLuint preamble_size,
    GLuint processor )
 {
    GLuint i;
@@ -293,7 +294,7 @@ compile_instruction(
       break;
    case OPCODE_ELSE:
       fullinst->Instruction.Opcode = TGSI_OPCODE_ELSE;
-      fullinst->InstructionExtLabel.Label = inst->BranchTarget;
+      fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
       break;
    case OPCODE_ENDIF:
       fullinst->Instruction.Opcode = TGSI_OPCODE_ENDIF;
@@ -318,7 +319,7 @@ compile_instruction(
       break;
    case OPCODE_IF:
       fullinst->Instruction.Opcode = TGSI_OPCODE_IF;
-      fullinst->InstructionExtLabel.Label = inst->BranchTarget;
+      fullinst->InstructionExtLabel.Label = inst->BranchTarget + preamble_size;
       break;
    case OPCODE_INT:
       fullinst->Instruction.Opcode = TGSI_OPCODE_INT;
@@ -473,6 +474,7 @@ tgsi_mesa_compile_fp_program(
    struct tgsi_full_dst_register *fulldst;
    struct tgsi_full_src_register *fullsrc;
    GLuint inputs_read;
+   GLuint preamble_size = 0;
 
    *(struct tgsi_version *) &tokens[0] = tgsi_build_version();
 
@@ -559,12 +561,14 @@ tgsi_mesa_compile_fp_program(
       &tokens[ti],
       header,
       maxTokens - ti );
+   preamble_size++;
 
    for( i = 0; i < program->Base.NumInstructions; i++ ) {
       if( compile_instruction(
             &program->Base.Instructions[i],
             &fullinst,
             inputs_read,
+            preamble_size,
             TGSI_PROCESSOR_FRAGMENT ) ) {
          assert( i == program->Base.NumInstructions - 1 );
          tgsi_dump(
@@ -610,6 +614,7 @@ tgsi_mesa_compile_vp_program(
             &program->Base.Instructions[ii],
             &fullinst,
             inputs_read,
+            0,
             TGSI_PROCESSOR_VERTEX ) ) {
          assert( ii == program->Base.NumInstructions - 1 );
          tgsi_dump( tokens, TGSI_DUMP_NO_IGNORED | TGSI_DUMP_NO_DEFAULT );
-- 
2.30.2