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-rw-r--r--src/mesa/drivers/dri/i965/brw_eu_emit.c3
-rw-r--r--src/mesa/drivers/dri/i965/brw_gs.c2
-rw-r--r--src/mesa/drivers/dri/i965/brw_gs.h1
-rw-r--r--src/mesa/drivers/dri/i965/brw_gs_emit.c54
4 files changed, 46 insertions, 14 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index f9aa5f7efe..41286382d0 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -1848,7 +1848,8 @@ void brw_ff_sync(struct brw_compile *p,
if (intel->gen >= 6) {
brw_push_insn_state(p);
brw_set_mask_control( p, BRW_MASK_DISABLE );
- brw_MOV(p, brw_message_reg(msg_reg_nr), src0);
+ brw_MOV(p, retype(brw_message_reg(msg_reg_nr), BRW_REGISTER_TYPE_UD),
+ retype(src0, BRW_REGISTER_TYPE_UD));
brw_pop_insn_state(p);
src0 = brw_message_reg(msg_reg_nr);
}
diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c
index ad178d84b6..cfcc8ea4d6 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_gs.c
@@ -96,8 +96,6 @@ static void compile_gs_prog( struct brw_context *brw,
brw_gs_quad_strip( &c, key );
break;
case GL_LINE_LOOP:
- /* XXX fix GS hang issue */
- assert(intel->gen < 6);
brw_gs_lines( &c );
break;
case GL_LINES:
diff --git a/src/mesa/drivers/dri/i965/brw_gs.h b/src/mesa/drivers/dri/i965/brw_gs.h
index 813b8d447a..7e3531086f 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.h
+++ b/src/mesa/drivers/dri/i965/brw_gs.h
@@ -56,6 +56,7 @@ struct brw_gs_compile {
struct {
struct brw_reg R0;
struct brw_reg vertex[MAX_GS_VERTS];
+ struct brw_reg temp;
} reg;
/* 3 different ways of expressing vertex size:
diff --git a/src/mesa/drivers/dri/i965/brw_gs_emit.c b/src/mesa/drivers/dri/i965/brw_gs_emit.c
index a01d5576f8..e1f751fdaa 100644
--- a/src/mesa/drivers/dri/i965/brw_gs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_gs_emit.c
@@ -58,6 +58,8 @@ static void brw_gs_alloc_regs( struct brw_gs_compile *c,
i += c->nr_regs;
}
+ c->reg.temp = brw_vec8_grf(i, 0);
+
c->prog_data.urb_read_length = c->nr_regs;
c->prog_data.total_grf = i;
}
@@ -69,12 +71,22 @@ static void brw_gs_emit_vue(struct brw_gs_compile *c,
GLuint header)
{
struct brw_compile *p = &c->func;
+ struct intel_context *intel = &c->func.brw->intel;
GLboolean allocate = !last;
+ struct brw_reg temp;
+
+ if (intel->gen < 6)
+ temp = c->reg.R0;
+ else {
+ temp = c->reg.temp;
+ brw_MOV(p, retype(temp, BRW_REGISTER_TYPE_UD),
+ retype(c->reg.R0, BRW_REGISTER_TYPE_UD));
+ }
/* Overwrite PrimType and PrimStart in the message header, for
* each vertex in turn:
*/
- brw_MOV(p, get_element_ud(c->reg.R0, 2), brw_imm_ud(header));
+ brw_MOV(p, get_element_ud(temp, 2), brw_imm_ud(header));
/* Copy the vertex from vertn into m1..mN+1:
*/
@@ -87,9 +99,9 @@ static void brw_gs_emit_vue(struct brw_gs_compile *c,
* allocated each time.
*/
brw_urb_WRITE(p,
- allocate ? c->reg.R0 : retype(brw_null_reg(), BRW_REGISTER_TYPE_UD),
+ allocate ? temp : retype(brw_null_reg(), BRW_REGISTER_TYPE_UD),
0,
- c->reg.R0,
+ temp,
allocate,
1, /* used */
c->nr_regs + 1, /* msg length */
@@ -98,19 +110,39 @@ static void brw_gs_emit_vue(struct brw_gs_compile *c,
1, /* writes_complete */
0, /* urb offset */
BRW_URB_SWIZZLE_NONE);
+
+ if (intel->gen >= 6 && allocate)
+ brw_MOV(p, get_element_ud(c->reg.R0, 0), get_element_ud(temp, 0));
}
static void brw_gs_ff_sync(struct brw_gs_compile *c, int num_prim)
{
struct brw_compile *p = &c->func;
- brw_MOV(p, get_element_ud(c->reg.R0, 1), brw_imm_ud(num_prim));
- brw_ff_sync(p,
- c->reg.R0,
- 0,
- c->reg.R0,
- 1, /* allocate */
- 1, /* response length */
- 0 /* eot */);
+ struct intel_context *intel = &c->func.brw->intel;
+
+ if (intel->gen < 6) {
+ brw_MOV(p, get_element_ud(c->reg.R0, 1), brw_imm_ud(num_prim));
+ brw_ff_sync(p,
+ c->reg.R0,
+ 0,
+ c->reg.R0,
+ 1, /* allocate */
+ 1, /* response length */
+ 0 /* eot */);
+ } else {
+ brw_MOV(p, retype(c->reg.temp, BRW_REGISTER_TYPE_UD),
+ retype(c->reg.R0, BRW_REGISTER_TYPE_UD));
+ brw_MOV(p, get_element_ud(c->reg.temp, 1), brw_imm_ud(num_prim));
+ brw_ff_sync(p,
+ c->reg.temp,
+ 0,
+ c->reg.temp,
+ 1, /* allocate */
+ 1, /* response length */
+ 0 /* eot */);
+ brw_MOV(p, get_element_ud(c->reg.R0, 0),
+ get_element_ud(c->reg.temp, 0));
+ }
}