st/vega: Add FILTER renderer state for image filtering.

The state is designated to perform image filtering.  execute_filter is
updated to make use of the state.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/renderer.h b/src/gallium/state_trackers/vega/renderer.h
index fa0782280a..288c17f9c8 100644
--- a/src/gallium/state_trackers/vega/renderer.h
+++ b/src/gallium/state_trackers/vega/renderer.h
@@ -34,6 +34,7 @@ struct renderer;
 
 struct vg_context;
 struct pipe_resource;
+struct pipe_sampler_state;
 struct pipe_sampler_view;
 struct pipe_surface;
 
@@ -76,6 +77,23 @@ void renderer_clear(struct renderer *renderer,
 
 void renderer_clear_end(struct renderer *renderer);
 
+VGboolean renderer_filter_begin(struct renderer *renderer,
+                                struct pipe_resource *dst,
+                                VGboolean y0_top,
+                                VGbitfield channel_mask,
+                                const struct pipe_sampler_state **samplers,
+                                struct pipe_sampler_view **views,
+                                VGint num_samplers,
+                                void *fs,
+                                const void *const_buffer,
+                                VGint const_buffer_len);
+
+void renderer_filter(struct renderer *renderer,
+                     VGint x, VGint y, VGint w, VGint h,
+                     VGint sx, VGint sy, VGint sw, VGint sh);
+
+void renderer_filter_end(struct renderer *renderer);
+
 void renderer_draw_quad(struct renderer *,
                         VGfloat x1, VGfloat y1,
                         VGfloat x2, VGfloat y2,