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i965: Include the viewport in the scissor rectangle.

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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 <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Kenneth Graunke 2016-03-10 16:04:01 -08:00
parent 47be5a64c7
commit d000a4989f
1 changed files with 4 additions and 4 deletions
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8
src/mesa/drivers/dri/i965/gen6_scissor_state.c
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@ -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]) {