gallium: add pipe cap for scissored clears and pass scissor state to clear() hook

this adds a new pipe cap that drivers can support which enables passing buffer
clears with scissor test enabled through to be handled by the driver instead
of having mesa draw a quad

also adjust all existing clear() hooks to have the new parameter

Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: Vasily Khoruzhick <[email protected]>
Reviewed-by: Kristian H. Kristensen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4310>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gallium/tests/graw/vs-test.c b/src/gallium/tests/graw/vs-test.c
index b3714543b3a..1b96914ad2a 100644
--- a/src/gallium/tests/graw/vs-test.c
+++ b/src/gallium/tests/graw/vs-test.c
@@ -220,7 +220,7 @@ static void draw( void )
 {
    union pipe_color_union clear_color = { {.1,.3,.5,0} };
 
-   ctx->clear(ctx, PIPE_CLEAR_COLOR, &clear_color, 0, 0);
+   ctx->clear(ctx, PIPE_CLEAR_COLOR, NULL, &clear_color, 0, 0);
    util_draw_arrays(ctx, PIPE_PRIM_POINTS, 0, ARRAY_SIZE(vertices));
    ctx->flush(ctx, NULL, 0);