r600: add set_tess_state callback.

This just stores the values in the context to be used later
when emitting the constant buffers.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 7d7d869..ad13d93 100644 (file)
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -3605,6 +3605,16 @@ fallback:
                                  src, src_level, src_box);
 }
 
+static void evergreen_set_tess_state(struct pipe_context *ctx,
+                                    const float default_outer_level[4],
+                                    const float default_inner_level[2])
+{
+       struct r600_context *rctx = (struct r600_context *)ctx;
+
+       memcpy(rctx->tess_state, default_outer_level, sizeof(float) * 4);
+       memcpy(rctx->tess_state+4, default_inner_level, sizeof(float) * 2);
+}
+
 void evergreen_init_state_functions(struct r600_context *rctx)
 {
        unsigned id = 1;
@@ -3687,7 +3697,7 @@ void evergreen_init_state_functions(struct r600_context *rctx)
        rctx->b.b.set_polygon_stipple = evergreen_set_polygon_stipple;
        rctx->b.b.set_min_samples = evergreen_set_min_samples;
        rctx->b.b.set_scissor_states = evergreen_set_scissor_states;
-
+       rctx->b.b.set_tess_state = evergreen_set_tess_state;
        if (rctx->b.chip_class == EVERGREEN)
                 rctx->b.b.get_sample_position = evergreen_get_sample_position;
         else

diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index 3e6eca8..068e2f8 100644 (file)
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -521,6 +521,7 @@ struct r600_context {
        void                            *sb_context;
        struct r600_isa         *isa;
        float sample_positions[4 * 16];
+       float tess_state[8];
 };
 
 static inline void r600_emit_command_buffer(struct radeon_winsys_cs *cs,