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cogl/clip-stack: Set color and depth mask when drawing rectangle clips

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Just like with the other functions drawing to the stencil buffer, we
should make sure the depth and color masks are set to FALSE during
drawing.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1096
This commit is contained in:
Jonas Dreßler 2020-02-26 17:44:18 +01:00 committed by Carlos Garnacho
parent 1e0b015ce8
commit 46e38ff61a
1 changed files with 5 additions and 0 deletions
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5
cogl/cogl/driver/gl/cogl-clip-stack-gl.c
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@ -73,6 +73,9 @@ add_stencil_clip_rectangle (CoglFramebuffer *framebuffer,
ctx->current_projection_entry = projection_stack->last_entry;
ctx->current_modelview_entry = modelview_entry;
GE( ctx, glColorMask (FALSE, FALSE, FALSE, FALSE) );
GE( ctx, glDepthMask (FALSE) );
if (merge)
{
/* Add one to every pixel of the stencil buffer in the
@ -116,6 +119,8 @@ add_stencil_clip_rectangle (CoglFramebuffer *framebuffer,
ctx->current_modelview_entry = old_modelview_entry;
/* Restore the stencil mode */
GE( ctx, glDepthMask (TRUE) );
GE( ctx, glColorMask (TRUE, TRUE, TRUE, TRUE) );
GE( ctx, glStencilFunc (GL_EQUAL, 0x1, 0x1) );
GE( ctx, glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP) );
}