Module: Mesa
Branch: master
Commit: 16e17ce04b60ac6f3d9a89535ea583fabebead7a
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=16e17ce04b60ac6f3d9a89535ea583fabebead7a
Author: Eric Anholt <e...@anholt.net>
Date: Mon Jul 24 14:45:49 2017 -0700
broadcom/vc4: Scissor blits performed using the rendering engine.
Without this, a BlitFramebuffer would mark the whole framebuffer as being
changed (so we emit loads/stores of all of it) rather than just the
modified subset.
---
src/gallium/drivers/vc4/vc4_blit.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/gallium/drivers/vc4/vc4_blit.c
b/src/gallium/drivers/vc4/vc4_blit.c
index 0e4ab5bfa0..7f4c76968e 100644
--- a/src/gallium/drivers/vc4/vc4_blit.c
+++ b/src/gallium/drivers/vc4/vc4_blit.c
@@ -195,6 +195,15 @@ vc4_render_blit(struct pipe_context *ctx, struct
pipe_blit_info *info)
return false;
}
+ /* Enable the scissor, so we get a minimal set of tiles rendered. */
+ if (!info->scissor_enable) {
+ info->scissor_enable = true;
+ info->scissor.minx = info->dst.box.x;
+ info->scissor.miny = info->dst.box.y;
+ info->scissor.maxx = info->dst.box.x + info->dst.box.width;
+ info->scissor.maxy = info->dst.box.y + info->dst.box.height;
+ }
+
vc4_blitter_save(vc4);
util_blitter_blit(vc4->blitter, info);
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