diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index 24832276f4d..6c071f121dd 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -2745,11 +2745,10 @@ static void post_wm_emit( struct brw_wm_compile *c ) static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) { -#define MAX_IFSN 32 +#define MAX_IF_DEPTH 32 #define MAX_LOOP_DEPTH 32 - struct brw_instruction *if_inst[MAX_IFSN], *loop_inst[MAX_LOOP_DEPTH]; - struct brw_instruction *inst0, *inst1; - int i, if_insn = 0, loop_insn = 0; + struct brw_instruction *if_inst[MAX_IF_DEPTH], *loop_inst[MAX_LOOP_DEPTH]; + GLuint i, if_depth = 0, loop_depth = 0; struct brw_compile *p = &c->func; struct brw_indirect stack_index = brw_indirect(0, 0); @@ -2923,15 +2922,15 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) emit_kil(c); break; case OPCODE_IF: - assert(if_insn < MAX_IFSN); - if_inst[if_insn++] = brw_IF(p, BRW_EXECUTE_8); + assert(if_depth < MAX_IF_DEPTH); + if_inst[if_depth++] = brw_IF(p, BRW_EXECUTE_8); break; case OPCODE_ELSE: - if_inst[if_insn-1] = brw_ELSE(p, if_inst[if_insn-1]); + if_inst[if_depth-1] = brw_ELSE(p, if_inst[if_depth-1]); break; case OPCODE_ENDIF: - assert(if_insn > 0); - brw_ENDIF(p, if_inst[--if_insn]); + assert(if_depth > 0); + brw_ENDIF(p, if_inst[--if_depth]); break; case OPCODE_BGNSUB: brw_save_label(p, inst->Comment, p->nr_insn); @@ -2965,7 +2964,7 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) break; case OPCODE_BGNLOOP: /* XXX may need to invalidate the current_constant regs */ - loop_inst[loop_insn++] = brw_DO(p, BRW_EXECUTE_8); + loop_inst[loop_depth++] = brw_DO(p, BRW_EXECUTE_8); break; case OPCODE_BRK: brw_BREAK(p); @@ -2976,21 +2975,24 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) brw_set_predicate_control(p, BRW_PREDICATE_NONE); break; case OPCODE_ENDLOOP: - loop_insn--; - inst0 = inst1 = brw_WHILE(p, loop_inst[loop_insn]); - /* patch all the BREAK instructions from - last BEGINLOOP */ - while (inst0 > loop_inst[loop_insn]) { - inst0--; - if (inst0->header.opcode == BRW_OPCODE_BREAK) { + { + struct brw_instruction *inst0, *inst1; + loop_depth--; + inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]); + /* patch all the BREAK/CONT instructions from last BEGINLOOP */ + while (inst0 > loop_inst[loop_depth]) { + inst0--; + if (inst0->header.opcode == BRW_OPCODE_BREAK) { inst0->bits3.if_else.jump_count = inst1 - inst0 + 1; inst0->bits3.if_else.pop_count = 0; - } else if (inst0->header.opcode == BRW_OPCODE_CONTINUE) { + } + else if (inst0->header.opcode == BRW_OPCODE_CONTINUE) { inst0->bits3.if_else.jump_count = inst1 - inst0; inst0->bits3.if_else.pop_count = 0; - } - } - break; + } + } + } + break; default: _mesa_printf("unsupported IR in fragment shader %d\n", inst->Opcode); |