[cairo-commit] 2 commits - src/cairo-meta-surface.c

[Chris Wilson]

 src/cairo-meta-surface.c |   17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

New commits:
commit f916e2178b6f52e3b3600d100dfe75bfa4bf12cb
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Aug 7 23:54:25 2008 +0100

    [meta] Use the pre-computed device_transform_inverse.
    
    Avoid repeatedly inverting the same matrix by using the pre-computed
    inverse.

diff --git a/src/cairo-meta-surface.c b/src/cairo-meta-surface.c
index 2b61825..ee52b49 100644
--- a/src/cairo-meta-surface.c
+++ b/src/cairo-meta-surface.c
@@ -844,14 +844,12 @@ _cairo_meta_surface_replay_internal (cairo_surface_t	     *surface,
 	{
 	    cairo_matrix_t dev_ctm = command->stroke.ctm;
 	    cairo_matrix_t dev_ctm_inverse = command->stroke.ctm_inverse;
-	    cairo_matrix_t tmp;
 
 	    if (has_device_transform) {
 		cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
-		tmp = surface->device_transform;
-		status = cairo_matrix_invert (&tmp);
-		assert (status == CAIRO_STATUS_SUCCESS);
-		cairo_matrix_multiply (&dev_ctm_inverse, &tmp, &dev_ctm_inverse);
+		cairo_matrix_multiply (&dev_ctm_inverse,
+				       &surface->device_transform_inverse,
+				       &dev_ctm_inverse);
 	    }
 
 	    status = _cairo_surface_stroke (target,
@@ -885,17 +883,15 @@ _cairo_meta_surface_replay_internal (cairo_surface_t	     *surface,
 		_cairo_path_fixed_is_equal (dev_path, _cairo_command_get_path (stroke_command))) {
 		cairo_matrix_t dev_ctm;
 		cairo_matrix_t dev_ctm_inverse;
-		cairo_matrix_t tmp;
 
 		dev_ctm = stroke_command->stroke.ctm;
 		dev_ctm_inverse = stroke_command->stroke.ctm_inverse;
 
 		if (has_device_transform) {
 		    cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
-		    tmp = surface->device_transform;
-		    status = cairo_matrix_invert (&tmp);
-		    assert (status == CAIRO_STATUS_SUCCESS);
-		    cairo_matrix_multiply (&dev_ctm_inverse, &tmp, &dev_ctm_inverse);
+		    cairo_matrix_multiply (&dev_ctm_inverse,
+					   &surface->device_transform_inverse,
+					   &dev_ctm_inverse);
 		}
 
 		status = _cairo_surface_fill_stroke (target,
commit 523f7258014f9db421297d14804e71e1da9f9761
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Aug 7 22:00:30 2008 +0100

    [meta] Remove debugging assert.
    
    Remove an old assertion that no error occurred.

diff --git a/src/cairo-meta-surface.c b/src/cairo-meta-surface.c
index 427266b..2b61825 100644
--- a/src/cairo-meta-surface.c
+++ b/src/cairo-meta-surface.c
@@ -973,7 +973,6 @@ _cairo_meta_surface_replay_internal (cairo_surface_t	     *surface,
 					   command->intersect_clip_path.tolerance,
 					   command->intersect_clip_path.antialias,
 					   target);
-            assert (status == 0);
 	    break;
 	default:
 	    ASSERT_NOT_REACHED;