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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_clip_line.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_clip_line.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_clip_line.c b/src/mesa/drivers/dri/i965/brw_clip_line.c
index 048ca620fa..afc0b11049 100644
--- a/src/mesa/drivers/dri/i965/brw_clip_line.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_line.c
@@ -46,6 +46,7 @@
static void brw_clip_line_alloc_regs( struct brw_clip_compile *c )
{
+ struct intel_context *intel = &c->func.brw->intel;
GLuint i = 0,j;
/* Register usage is static, precompute here:
@@ -85,7 +86,7 @@ static void brw_clip_line_alloc_regs( struct brw_clip_compile *c )
i++;
}
- if (c->need_ff_sync) {
+ if (intel->needs_ff_sync) {
c->reg.ff_sync = retype(brw_vec1_grf(i, 0), BRW_REGISTER_TYPE_UD);
i++;
}
@@ -126,6 +127,7 @@ static void brw_clip_line_alloc_regs( struct brw_clip_compile *c )
static void clip_and_emit_line( struct brw_clip_compile *c )
{
struct brw_compile *p = &c->func;
+ struct brw_context *brw = p->brw;
struct brw_indirect vtx0 = brw_indirect(0, 0);
struct brw_indirect vtx1 = brw_indirect(1, 0);
struct brw_indirect newvtx0 = brw_indirect(2, 0);
@@ -152,7 +154,7 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
brw_clip_init_clipmask(c);
/* -ve rhw workaround */
- if (BRW_IS_965(p->brw)) {
+ if (brw->has_negative_rhw_bug) {
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2),
brw_imm_ud(1<<20));
@@ -189,7 +191,7 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
* Both can be negative on GM965/G965 due to RHW workaround
* if so, this object should be rejected.
*/
- if (BRW_IS_965(p->brw)) {
+ if (brw->has_negative_rhw_bug) {
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_LE, c->reg.dp0, brw_imm_f(0.0));
is_neg2 = brw_IF(p, BRW_EXECUTE_1);
{
@@ -214,7 +216,7 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
/* If both are positive, do nothing */
/* Only on GM965/G965 */
- if (BRW_IS_965(p->brw)) {
+ if (brw->has_negative_rhw_bug) {
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.dp0, brw_imm_f(0.0));
is_neg2 = brw_IF(p, BRW_EXECUTE_1);
}
@@ -229,7 +231,7 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
}
- if (BRW_IS_965(p->brw)) {
+ if (brw->has_negative_rhw_bug) {
brw_ENDIF(p, is_neg2);
}
}
@@ -269,8 +271,12 @@ void brw_emit_line_clip( struct brw_clip_compile *c )
brw_clip_line_alloc_regs(c);
brw_clip_init_ff_sync(c);
- if (c->key.do_flat_shading)
- brw_clip_copy_colors(c, 0, 1);
+ if (c->key.do_flat_shading) {
+ if (c->key.pv_first)
+ brw_clip_copy_colors(c, 1, 0);
+ else
+ brw_clip_copy_colors(c, 0, 1);
+ }
clip_and_emit_line(c);
}