[Mesa-dev] [RFC 3/3] radeonsi: Add ARB_clear_texture support

[Edward O'Callaghan]

Unfortantly we may not toggle on PIPE_CAP_CLEAR_TEXTURE
and update GL3.txt at this time as the piglit
ARB_clear_texture-float test still fails for unknown
reasons.

However, this does allow a user to fake this extention
now and get some reasonable level of support should
they urgently need this.

Signed-off-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
---
 src/gallium/drivers/radeonsi/si_blit.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index 13d8e6f..e1185c9 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -439,6 +439,15 @@ static void si_clear_depth_stencil(struct pipe_context *ctx,
 	si_blitter_end(ctx);
 }
 
+static void si_pipe_clear_texture(struct pipe_context *ctx,
+				  struct pipe_resource *res,
+				  unsigned level,
+				  const struct pipe_box *box,
+				  const void *data)
+{
+	util_surface_clear_texture(ctx, res, level, box, data);
+}
+
 /* Helper for decompressing a portion of a color or depth resource before
  * blitting if any decompression is needed.
  * The driver doesn't decompress resources automatically while u_blitter is
@@ -800,6 +809,7 @@ void si_init_blit_functions(struct si_context *sctx)
 	sctx->b.b.clear_buffer = si_pipe_clear_buffer;
 	sctx->b.b.clear_render_target = si_clear_render_target;
 	sctx->b.b.clear_depth_stencil = si_clear_depth_stencil;
+	sctx->b.b.clear_texture = si_pipe_clear_texture;
 	sctx->b.b.resource_copy_region = si_resource_copy_region;
 	sctx->b.b.blit = si_blit;
 	sctx->b.b.flush_resource = si_flush_resource;
-- 
2.5.0