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broadcom/vc4: Scissor blits performed using the rendering engine.

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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.
This commit is contained in:
Eric Anholt
2017-07-24 14:45:49 -07:00
parent 93fec49a75
commit 16e17ce04b
1 changed files with 9 additions and 0 deletions
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src/gallium/drivers/vc4/vc4_blit.c
+9
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@@ -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);