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st/mesa: only flip stipple pattern for winsys fbo's

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Gallium is completely oblivious to whether the fbo is flipped or not.
Only flip the stipple pattern when the fbo is flipped as well. Otherwise
the driver has no idea when to unflip the pattern.

Fixes bin/gl-2.1-polygon-stipple-fs -fbo

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Brian Paul <brianp@vmware.com>
Tested-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Ilia Mirkin
2016-10-12 14:01:34 -04:00
parent a4622305e6
commit e6a693c447
1 changed files with 7 additions and 3 deletions
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src/mesa/state_tracker/st_atom_stipple.c
+7 -3
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@@ -61,7 +61,7 @@ invert_stipple(GLuint dest[32], const GLuint src[32], GLuint winHeight)
static void
static void
update_stipple( struct st_context *st )
{
const struct gl_context *ctx = st->ctx;
@@ -74,8 +74,12 @@ update_stipple( struct st_context *st )
memcpy(st->state.poly_stipple, ctx->PolygonStipple, sz);
invert_stipple(newStipple.stipple, ctx->PolygonStipple,
ctx->DrawBuffer->Height);
if (_mesa_is_user_fbo(ctx->DrawBuffer)) {
memcpy(newStipple.stipple, ctx->PolygonStipple, sizeof(newStipple.stipple));
} else {
invert_stipple(newStipple.stipple, ctx->PolygonStipple,
ctx->DrawBuffer->Height);
}
st->pipe->set_polygon_stipple(st->pipe, &newStipple);
}