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path: root/src/mesa/drivers/dri/i965/brw_clip_tri.c
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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_clip_tri.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_clip_tri.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_clip_tri.c b/src/mesa/drivers/dri/i965/brw_clip_tri.c
index 0efd77225e..cfbb8f2686 100644
--- a/src/mesa/drivers/dri/i965/brw_clip_tri.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_tri.c
@@ -51,6 +51,7 @@ static void release_tmps( struct brw_clip_compile *c )
void brw_clip_tri_alloc_regs( struct brw_clip_compile *c,
GLuint nr_verts )
{
+ struct intel_context *intel = &c->func.brw->intel;
GLuint i = 0,j;
/* Register usage is static, precompute here:
@@ -78,7 +79,7 @@ void brw_clip_tri_alloc_regs( struct brw_clip_compile *c,
for (j = 0; j < 3; j++) {
GLuint delta = c->nr_attrs*16 + 32;
- if (BRW_IS_IGDNG(c->func.brw))
+ if (intel->is_ironlake)
delta = c->nr_attrs * 16 + 32 * 3;
brw_MOV(&c->func, byte_offset(c->reg.vertex[j], delta), brw_imm_f(0));
@@ -119,7 +120,7 @@ void brw_clip_tri_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++;
}
@@ -188,14 +189,20 @@ void brw_clip_tri_flat_shade( struct brw_clip_compile *c )
brw_imm_ud(_3DPRIM_POLYGON));
is_poly = brw_IF(p, BRW_EXECUTE_1);
- {
+ {
brw_clip_copy_colors(c, 1, 0);
brw_clip_copy_colors(c, 2, 0);
}
is_poly = brw_ELSE(p, is_poly);
{
- brw_clip_copy_colors(c, 0, 2);
- brw_clip_copy_colors(c, 1, 2);
+ if (c->key.pv_first) {
+ brw_clip_copy_colors(c, 1, 0);
+ brw_clip_copy_colors(c, 2, 0);
+ }
+ else {
+ brw_clip_copy_colors(c, 0, 2);
+ brw_clip_copy_colors(c, 1, 2);
+ }
}
brw_ENDIF(p, is_poly);
}
@@ -565,6 +572,7 @@ void brw_emit_tri_clip( struct brw_clip_compile *c )
{
struct brw_instruction *neg_rhw;
struct brw_compile *p = &c->func;
+ struct brw_context *brw = p->brw;
brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6);
brw_clip_tri_init_vertices(c);
brw_clip_init_clipmask(c);
@@ -572,7 +580,7 @@ void brw_emit_tri_clip( struct brw_clip_compile *c )
/* if -ve rhw workaround bit is set,
do cliptest */
- 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));