From: Kenneth Graunke Date: Fri, 11 Mar 2016 00:04:01 +0000 (-0800) Subject: i965: Include the viewport in the scissor rectangle. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d000a4989f66921832a33742ea07fa191393231b;p=mesa.git i965: Include the viewport in the scissor rectangle. We'll need to use scissoring to restrict fragments to the viewport soon. It seems harmless to include it generally, so let's do that. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94453 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94454 Signed-off-by: Kenneth Graunke Reviewed-by: Jordan Justen --- diff --git a/src/mesa/drivers/dri/i965/gen6_scissor_state.c b/src/mesa/drivers/dri/i965/gen6_scissor_state.c index 17b4a7fba96..a20673282f2 100644 --- a/src/mesa/drivers/dri/i965/gen6_scissor_state.c +++ b/src/mesa/drivers/dri/i965/gen6_scissor_state.c @@ -58,10 +58,10 @@ gen6_upload_scissor_state(struct brw_context *brw) for (unsigned i = 0; i < ctx->Const.MaxViewports; i++) { int bbox[4]; - bbox[0] = 0; - bbox[1] = fb_width; - bbox[2] = 0; - bbox[3] = fb_height; + bbox[0] = MAX2(ctx->ViewportArray[i].X, 0); + bbox[1] = MIN2(bbox[0] + ctx->ViewportArray[i].Width, fb_width); + bbox[2] = MAX2(ctx->ViewportArray[i].Y, 0); + bbox[3] = MIN2(bbox[2] + ctx->ViewportArray[i].Height, fb_height); _mesa_intersect_scissor_bounding_box(ctx, i, bbox); if (bbox[0] == bbox[1] || bbox[2] == bbox[3]) {