diff options
| author | Brian Paul <[email protected]> | 2016-02-09 09:58:39 -0700 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2016-02-09 11:27:48 -0700 |
| commit | fe14110f359b0665cb0c09aa14f13a5ebb33b1bc (patch) | |
| tree | ab96a6369db77867a077e937a4edeed8f54c4b72 /src/mesa | |
| parent | 0193e20df531039e89de089bdb33abd4e2095e19 (diff) | |
mesa: fix incorrect viewport position when GL_CLIP_ORIGIN = GL_LOWER_LEFT
Ilia Mirkin found/fixed the mistake.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93813
Cc: "11.1" <[email protected]>
Reviewed-by: Jose Fonseca <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/viewport.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c index 7d8914291c3..681e46bfcf7 100644 --- a/src/mesa/main/viewport.c +++ b/src/mesa/main/viewport.c @@ -456,11 +456,11 @@ _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i, translate[0] = half_width + x; if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) { scale[1] = -half_height; - translate[1] = half_height - y; } else { scale[1] = half_height; - translate[1] = half_height + y; } + translate[1] = half_height + y; + if (ctx->Transform.ClipDepthMode == GL_NEGATIVE_ONE_TO_ONE) { scale[2] = 0.5 * (f - n); translate[2] = 0.5 * (n + f); |