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authorZou Nan hai <[email protected]>2007-04-30 15:24:38 +0800
committerZou Nan hai <[email protected]>2007-04-30 15:24:38 +0800
commita78b26fff04026a24189ecad7ec85bfe0df2cce1 (patch)
treee363e539ffdff98b1e2ea5cbaac68bf30f4dadfc /src
parent35707dbe57873adb5a8088cd47c13bd216e143e4 (diff)
support nested function call
else instruction fix.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs.h2
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c30
2 files changed, 17 insertions, 15 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h
index c31a1b63666..912ab563f4d 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.h
+++ b/src/mesa/drivers/dri/i965/brw_vs.h
@@ -67,7 +67,7 @@ struct brw_vs_compile {
struct brw_reg r1;
struct brw_reg regs[PROGRAM_ADDRESS+1][128];
struct brw_reg tmp;
- struct brw_reg ret;
+ struct brw_reg stack;
struct brw_reg userplane[6];
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 613ee03b2ae..f8367c48266 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -135,16 +135,8 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c )
reg++;
}
- c->ret = brw_reg(BRW_GENERAL_REGISTER_FILE,
- reg,
- 0,
- BRW_REGISTER_TYPE_D,
- BRW_VERTICAL_STRIDE_8,
- BRW_WIDTH_8,
- BRW_HORIZONTAL_STRIDE_1,
- BRW_SWIZZLE_XXXX,
- WRITEMASK_X);
- reg++;
+ c->stack = brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, reg, 0);
+ reg += 2;
/* Some opcodes need an internal temporary:
@@ -956,7 +948,8 @@ void brw_vs_emit(struct brw_vs_compile *c )
GLuint nr_insns = c->vp->program.Base.NumInstructions;
GLuint insn, if_insn = 0;
struct brw_instruction *end_inst;
- struct brw_instruction *if_inst[32];
+ struct brw_instruction *if_inst[MAX_IFSN];
+ struct brw_indirect stack_index = brw_indirect(0, 0);
if (INTEL_DEBUG & DEBUG_VS) {
_mesa_printf("\n\n\nvs-emit:\n");
@@ -970,6 +963,7 @@ void brw_vs_emit(struct brw_vs_compile *c )
/* Static register allocation
*/
brw_vs_alloc_regs(c);
+ brw_MOV(p, get_addr_reg(stack_index), brw_address(c->stack));
for (insn = 0; insn < nr_insns; insn++) {
@@ -1094,7 +1088,7 @@ void brw_vs_emit(struct brw_vs_compile *c )
if_inst[if_insn++] = brw_IF(p, BRW_EXECUTE_8);
break;
case OPCODE_ELSE:
- brw_ELSE(p, if_inst[if_insn]);
+ if_inst[if_insn-1] = brw_ELSE(p, if_inst[if_insn-1]);
break;
case OPCODE_ENDIF:
assert(if_insn > 0);
@@ -1106,12 +1100,20 @@ void brw_vs_emit(struct brw_vs_compile *c )
brw_set_predicate_control_flag_value(p, 0xFF);
break;
case OPCODE_CAL:
- brw_ADD(p, c->ret, brw_ip_reg(), brw_imm_d(2*16));
+ brw_set_access_mode(p, BRW_ALIGN_1);
+ brw_ADD(p, deref_1uw(stack_index, 0), brw_ip_reg(), brw_imm_d(3*16));
+ brw_set_access_mode(p, BRW_ALIGN_16);
+ brw_ADD(p, get_addr_reg(stack_index),
+ get_addr_reg(stack_index), brw_imm_d(4));
inst->Data = &p->store[p->nr_insn];
brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16));
break;
case OPCODE_RET:
- brw_MOV(p, brw_ip_reg(), c->ret);
+ brw_ADD(p, get_addr_reg(stack_index),
+ get_addr_reg(stack_index), brw_imm_d(-4));
+ brw_set_access_mode(p, BRW_ALIGN_1);
+ brw_MOV(p, brw_ip_reg(), deref_1uw(stack_index, 0));
+ brw_set_access_mode(p, BRW_ALIGN_16);
case OPCODE_END:
brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16));
break;