radeonsi: move blitter clear_render_target impl into si_gfx_clear_render_target

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28725>

src/gallium/drivers/radeonsi/si_clear.c

@@ -1273,6 +1273,17 @@ static void si_clear_render_target(struct pipe_context *ctx, struct pipe_surface
       return;
    }
 
+   si_gfx_clear_render_target(ctx, dst, color, dstx, dsty, width, height,
+                              render_condition_enabled);
+}
+
+void si_gfx_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dst,
+                                const union pipe_color_union *color, unsigned dstx,
+                                unsigned dsty, unsigned width, unsigned height,
+                                bool render_condition_enabled)
+{
+   struct si_context *sctx = (struct si_context *)ctx;
+
    si_blitter_begin(sctx,
                     SI_CLEAR_SURFACE | (render_condition_enabled ? 0 : SI_DISABLE_RENDER_COND));
    util_blitter_clear_render_target(sctx->blitter, dst, color, dstx, dsty, width, height);

src/gallium/drivers/radeonsi/si_pipe.h

@@ -1476,6 +1476,10 @@ void si_init_buffer_clear(struct si_clear_info *info,
                           uint32_t size, uint32_t clear_value);
 void si_execute_clears(struct si_context *sctx, struct si_clear_info *info,
                        unsigned num_clears, unsigned types);
+void si_gfx_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dst,
+                                const union pipe_color_union *color, unsigned dstx,
+                                unsigned dsty, unsigned width, unsigned height,
+                                bool render_condition_enabled);
 void si_init_clear_functions(struct si_context *sctx);
 
 /* si_compute.c */