diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen7_sol_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen7_sol_state.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen7_sol_state.c b/src/mesa/drivers/dri/i965/gen7_sol_state.c index 2c4b7f9..8dfac01 100644 --- a/src/mesa/drivers/dri/i965/gen7_sol_state.c +++ b/src/mesa/drivers/dri/i965/gen7_sol_state.c @@ -254,6 +254,23 @@ const struct brw_tracked_state gen7_sol_state = { }; void +gen7_begin_transform_feedback(struct gl_context *ctx, GLenum mode, + struct gl_transform_feedback_object *obj) +{ + struct brw_context *brw = brw_context(ctx); + struct intel_context *intel = &brw->intel; + + /* Reset the SOL buffer offset register. */ + for (int i = 0; i < 4; i++) { + BEGIN_BATCH(3); + OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2)); + OUT_BATCH(GEN7_SO_WRITE_OFFSET(i)); + OUT_BATCH(0); + ADVANCE_BATCH(); + } +} + +void gen7_end_transform_feedback(struct gl_context *ctx, struct gl_transform_feedback_object *obj) { |