freedreno: add modifier param to fd_try_shadow_resource()

To uncompress UBWC, I want to re-use the shadow path, but we'll need a
way to request that the new buffer is not compressed.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>

diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index e83143f239c312ea0874dd836042a2503a7a80f3..dc5d146315592759949dab3fa75182a8a766e69c 100644 (file)
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -138,7 +138,7 @@ do_blit(struct fd_context *ctx, const struct pipe_blit_info *blit, bool fallback
 
 static bool
 fd_try_shadow_resource(struct fd_context *ctx, struct fd_resource *rsc,
-               unsigned level, const struct pipe_box *box)
+               unsigned level, const struct pipe_box *box, uint64_t modifier)
 {
        struct pipe_context *pctx = &ctx->base;
        struct pipe_resource *prsc = &rsc->base;
@@ -168,7 +168,8 @@ fd_try_shadow_resource(struct fd_context *ctx, struct fd_resource *rsc,
                return false;
 
        struct pipe_resource *pshadow =
-               pctx->screen->resource_create(pctx->screen, prsc);
+               pctx->screen->resource_create_with_modifiers(pctx->screen,
+                               prsc, &modifier, 1);
 
        if (!pshadow)
                return false;
@@ -582,7 +583,8 @@ fd_resource_transfer_map(struct pipe_context *pctx,
                        /* try shadowing only if it avoids a flush, otherwise staging would
                         * be better:
                         */
-                       if (needs_flush && fd_try_shadow_resource(ctx, rsc, level, box)) {
+                       if (needs_flush && fd_try_shadow_resource(ctx, rsc, level,
+                                                       box, DRM_FORMAT_MOD_LINEAR)) {
                                needs_flush = busy = false;
                                rebind_resource(ctx, prsc);
                                ctx->stats.shadow_uploads++;