lima: implement EGL_KHR_partial_update

This extension set a damage region for each
buffer swap which can be used to reduce buffer
reload cost by only feed damage region's tile
buffer address for PP.

Reviewed-and-Tested-by: Vasily Khoruzhick <[email protected]>
Signed-off-by: Qiang Yu <[email protected]>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/gallium/drivers/lima/lima_resource.h b/src/gallium/drivers/lima/lima_resource.h
index ba88b0696fe..7e7a9628a86 100644
--- a/src/gallium/drivers/lima/lima_resource.h
+++ b/src/gallium/drivers/lima/lima_resource.h
@@ -38,9 +38,16 @@ struct lima_resource_level {
    uint32_t offset;
 };
 
+struct lima_damage_region {
+   struct pipe_scissor_state *region;
+   unsigned num_region;
+   bool aligned;
+};
+
 struct lima_resource {
    struct pipe_resource base;
 
+   struct lima_damage_region damage;
    struct renderonly_scanout *scanout;
    struct lima_bo *bo;
    bool tiled;