[PATCH 40/43] drm: fixed _cairo_clip_*() calls

With commit b132fae5e843c329d1414d1a65b2e8d66b99852f, the memory
handling of clip objects has changed - they're now managed in an
object pool. Therefore consumers need to be updated.

Signed-off-by: Enrico Weigelt, metux IT consult <[email protected]>
---
 src/drm/cairo-drm-i915-glyphs.c  | 19 +++-----
 src/drm/cairo-drm-i915-spans.c   |  3 +-
 src/drm/cairo-drm-i915-surface.c | 64 +++++++++------------------
 src/drm/cairo-drm-i965-glyphs.c  | 17 +++----
 src/drm/cairo-drm-i965-surface.c | 95 ++++++++++++----------------------------
 5 files changed, 59 insertions(+), 139 deletions(-)

diff --git a/src/drm/cairo-drm-i915-glyphs.c b/src/drm/cairo-drm-i915-glyphs.c
index 6c9a77a..74d0413 100644
--- a/src/drm/cairo-drm-i915-glyphs.c
+++ b/src/drm/cairo-drm-i915-glyphs.c
@@ -303,8 +303,7 @@ i915_surface_glyphs (void			*abstract_surface,
     i915_device_t *device;
     i915_shader_t shader;
     cairo_composite_rectangles_t extents;
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     cairo_bool_t overlap;
     cairo_region_t *clip_region = NULL;
     intel_bo_t *last_bo = NULL;
@@ -327,21 +326,14 @@ i915_surface_glyphs (void			*abstract_surface,
     if (_cairo_clip_contains_rectangle (clip, &extents.mask))
 	clip = NULL;
 
-    if (clip != NULL && extents.is_bounded) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	status = _cairo_clip_rectangle (clip, &extents.bounded);
-	if (unlikely (status))
-	    return status;
-
-	have_clip = TRUE;
-    }
+    if (clip != NULL && extents.is_bounded)
+	clip = local_clip = _cairo_clip_copy_intersect_rectangle (clip, &extents.bounded);
 
     if (clip != NULL) {
 	clip_region = _cairo_clip_get_region (clip);
 	if (unlikely (clip_region == NULL))
 	{
-	    if (have_clip)
-		_cairo_clip_fini (&local_clip);
+	    _cairo_clip_destroy (local_clip);
 	    return CAIRO_INT_STATUS_NOTHING_TO_DO;
 	}
     }
@@ -578,8 +570,7 @@ i915_surface_glyphs (void			*abstract_surface,
 	cairo_surface_destroy (&mask->intel.drm.base);
     }
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
diff --git a/src/drm/cairo-drm-i915-spans.c b/src/drm/cairo-drm-i915-spans.c
index 1f979e8..8753f8a 100644
--- a/src/drm/cairo-drm-i915-spans.c
+++ b/src/drm/cairo-drm-i915-spans.c
@@ -615,13 +615,12 @@ i915_spans_init (i915_spans_t *spans,
 	cairo_region_t *clip_region = NULL;
 
 	clip_region = _cairo_clip_get_region (clip);
-	assert (status == CAIRO_STATUS_SUCCESS || status == CAIRO_INT_STATUS_UNSUPPORTED);
 
 	if (clip_region != NULL && cairo_region_num_rectangles (clip_region) == 1)
 	    clip_region = NULL;
 
 	spans->clip_region = clip_region;
-	spans->need_clip_surface = status == CAIRO_INT_STATUS_UNSUPPORTED;
+	spans->need_clip_surface = (clip_region == NULL);
     }
 
     spans->head.next = NULL;
diff --git a/src/drm/cairo-drm-i915-surface.c b/src/drm/cairo-drm-i915-surface.c
index c09eeed..9d07bcb 100644
--- a/src/drm/cairo-drm-i915-surface.c
+++ b/src/drm/cairo-drm-i915-surface.c
@@ -112,6 +112,7 @@
 #include "cairo-surface-offset-private.h"
 #include "cairo-image-surface-private.h"
 #include "cairo-box-inline.h"
+#include "cairo-clip-inline.h"
 
 #include <sys/ioctl.h>
 #include <sys/mman.h>
@@ -1877,8 +1878,7 @@ i915_surface_fill_with_alpha (void			*abstract_dst,
     cairo_composite_rectangles_t extents;
     composite_polygon_info_t info;
     cairo_box_t boxes_stack[32], *clip_boxes = boxes_stack;
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     int num_boxes = ARRAY_LENGTH (boxes_stack);
     cairo_int_status_t status;
 
@@ -1905,15 +1905,12 @@ i915_surface_fill_with_alpha (void			*abstract_dst,
 	}
     }
 
-    if (clip != NULL) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	have_clip = TRUE;
-    }
+    if (clip != NULL)
+	clip = local_clip = _cairo_clip_copy (clip);
 
     status = _cairo_clip_to_boxes (&clip, &extents, &clip_boxes, &num_boxes);
     if (unlikely (status)) {
-	if (have_clip)
-	    _cairo_clip_fini (&local_clip);
+	_cairo_clip_destroy (local_clip);
 
 	return status;
     }
@@ -1976,8 +1973,7 @@ CLEANUP_BOXES:
     if (clip_boxes != boxes_stack)
 	free (clip_boxes);
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
@@ -1991,8 +1987,7 @@ i915_surface_paint_with_alpha (void			*abstract_dst,
 {
     i915_surface_t *dst = abstract_dst;
     cairo_composite_rectangles_t extents;
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     cairo_clip_path_t *clip_path;
     cairo_boxes_t boxes;
     int num_boxes = ARRAY_LENGTH (boxes.boxes_embedded);
@@ -2010,15 +2005,12 @@ i915_surface_paint_with_alpha (void			*abstract_dst,
     if (_cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	have_clip = TRUE;
-    }
+    if (clip != NULL)
+	clip = local_clip = _cairo_clip_copy (clip);
 
     status = _cairo_clip_to_boxes (&clip, &extents, &clip_boxes, &num_boxes);
     if (unlikely (status)) {
-	if (have_clip)
-	    _cairo_clip_fini (&local_clip);
+	_cairo_clip_destroy (local_clip);
 
 	return status;
     }
@@ -2049,8 +2041,7 @@ i915_surface_paint_with_alpha (void			*abstract_dst,
     if (clip_boxes != boxes.boxes_embedded)
 	free (clip_boxes);
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
@@ -2084,10 +2075,9 @@ i915_surface_mask (void				*abstract_dst,
     i915_device_t *device;
     cairo_composite_rectangles_t extents;
     i915_shader_t shader;
-    cairo_clip_t local_clip;
+    cairo_clip_t *local_clip = NULL;
     cairo_region_t *clip_region = NULL;
     cairo_bool_t need_clip_surface = FALSE;
-    cairo_bool_t have_clip = FALSE;
     cairo_int_status_t status;
 
     if (mask->type == CAIRO_PATTERN_TYPE_SOLID) {
@@ -2107,16 +2097,8 @@ i915_surface_mask (void				*abstract_dst,
     if (_cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL && extents.is_bounded) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	status = _cairo_clip_rectangle (clip, &extents.bounded);
-	if (unlikely (status)) {
-	    _cairo_clip_fini (&local_clip);
-	    return status;
-	}
-
-	have_clip = TRUE;
-    }
+    if (clip != NULL && extents.is_bounded)
+	clip = local_clip = _cairo_clip_copy_intersect_rectangle (clip, &extents.bounded);
 
     i915_shader_init (&shader, dst, op, 1.);
 
@@ -2211,8 +2193,7 @@ i915_surface_mask (void				*abstract_dst,
     cairo_device_release (&device->intel.base.base);
   err_shader:
     i915_shader_fini (&shader);
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
@@ -2234,8 +2215,7 @@ i915_surface_stroke (void			*abstract_dst,
     composite_polygon_info_t info;
     cairo_box_t boxes_stack[32], *clip_boxes = boxes_stack;
     int num_boxes = ARRAY_LENGTH (boxes_stack);
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     cairo_int_status_t status;
 
     status = _cairo_composite_rectangles_init_for_stroke (&extents,
@@ -2252,15 +2232,12 @@ i915_surface_stroke (void			*abstract_dst,
     if (_cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	have_clip = TRUE;
-    }
+    if (clip != NULL)
+	clip = local_clip = _cairo_clip_copy (clip);
 
     status = _cairo_clip_to_boxes (&clip, &extents, &clip_boxes, &num_boxes);
     if (unlikely (status)) {
-	if (have_clip)
-	    _cairo_clip_fini (&local_clip);
+	_cairo_clip_destroy (local_clip);
 
 	return status;
     }
@@ -2325,8 +2302,7 @@ CLEANUP_BOXES:
     if (clip_boxes != boxes_stack)
 	free (clip_boxes);
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
diff --git a/src/drm/cairo-drm-i965-glyphs.c b/src/drm/cairo-drm-i965-glyphs.c
index 80cc3be..fd54cd4 100644
--- a/src/drm/cairo-drm-i965-glyphs.c
+++ b/src/drm/cairo-drm-i965-glyphs.c
@@ -39,6 +39,7 @@
 #include "cairo-drm-i965-private.h"
 #include "cairo-error-private.h"
 #include "cairo-rtree-private.h"
+#include "cairo-clip-inline.h"
 
 typedef struct _i965_glyphs i965_glyphs_t;
 
@@ -245,8 +246,7 @@ i965_surface_glyphs (void			*abstract_surface,
     i965_device_t *device;
     i965_glyphs_t glyphs;
     cairo_composite_rectangles_t extents;
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip;
     cairo_bool_t overlap;
     cairo_region_t *clip_region = NULL;
     intel_bo_t *last_bo = NULL;
@@ -268,14 +268,8 @@ i965_surface_glyphs (void			*abstract_surface,
     if (clip != NULL && _cairo_clip_contains_rectangle (clip, &extents.mask))
 	clip = NULL;
 
-    if (clip != NULL && extents.is_bounded) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	status = _cairo_clip_rectangle (clip, &extents.bounded);
-	if (unlikely (status))
-	    return status;
-
-	have_clip = TRUE;
-    }
+    if (clip != NULL && extents.is_bounded)
+	clip = local_clip = _cairo_clip_copy_intersect_rectangle (clip, &extents.bounded);
 
     if (overlap || ! extents.is_bounded) {
 	cairo_format_t format;
@@ -518,8 +512,7 @@ i965_surface_glyphs (void			*abstract_surface,
 	cairo_surface_destroy (&mask->intel.drm.base);
     }
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
diff --git a/src/drm/cairo-drm-i965-surface.c b/src/drm/cairo-drm-i965-surface.c
index 92e20ae..3d754e9 100644
--- a/src/drm/cairo-drm-i965-surface.c
+++ b/src/drm/cairo-drm-i965-surface.c
@@ -60,6 +60,7 @@
 #include "cairo-error-private.h"
 #include "cairo-region-private.h"
 #include "cairo-surface-offset-private.h"
+#include "cairo-clip-inline.h"
 
 #include <sys/ioctl.h>
 #include <errno.h>
@@ -766,13 +767,8 @@ i965_fixup_unbounded (i965_surface_t *dst,
     i965_shader_init (&shader, dst, CAIRO_OPERATOR_CLEAR);
 
     if (clip != NULL) {
-	cairo_region_t *clip_region = NULL;
-
-	status = _cairo_clip_get_region (clip, &clip_region);
-	assert (status == CAIRO_STATUS_SUCCESS || CAIRO_INT_STATUS_UNSUPPORTED);
-	assert (clip_region == NULL);
-
-	if (status == CAIRO_INT_STATUS_UNSUPPORTED)
+	cairo_region_t *clip_region = _cairo_clip_get_region (clip);
+	if (clip_region == NULL)
 	    i965_shader_set_clip (&shader, clip);
     } else {
 	if (extents->bounded.width  == extents->unbounded.width &&
@@ -889,9 +885,8 @@ i965_fixup_unbounded_boxes (i965_surface_t *dst,
 
     i965_shader_init (&shader, dst, CAIRO_OPERATOR_CLEAR);
     if (clip != NULL) {
-	status = _cairo_clip_get_region (clip, &clip_region);
-	assert (status == CAIRO_STATUS_SUCCESS || CAIRO_INT_STATUS_UNSUPPORTED);
-	if (status == CAIRO_INT_STATUS_UNSUPPORTED)
+	clip_region = _cairo_clip_get_region (clip);
+	if (clip_region == NULL)
 	    i965_shader_set_clip (&shader, clip);
     }
 
@@ -994,7 +989,6 @@ _composite_boxes (i965_surface_t *dst,
 		  const cairo_clip_t *clip,
 		  const cairo_composite_rectangles_t *extents)
 {
-    cairo_bool_t need_clip_surface = FALSE;
     cairo_region_t *clip_region = NULL;
     const struct _cairo_boxes_chunk *chunk;
     cairo_int_status_t status;
@@ -1018,10 +1012,8 @@ _composite_boxes (i965_surface_t *dst,
 	return status;
 
     if (clip != NULL) {
-	status = _cairo_clip_get_region (clip, &clip_region);
-	assert (status == CAIRO_STATUS_SUCCESS || CAIRO_INT_STATUS_UNSUPPORTED);
-	need_clip_surface = status == CAIRO_INT_STATUS_UNSUPPORTED;
-	if (need_clip_surface)
+	clip_region = _cairo_clip_get_region (clip);
+	if (clip_region == NULL)
 	    i965_shader_set_clip (&shader, clip);
     }
 
@@ -1099,8 +1091,7 @@ i965_surface_paint (void			*abstract_dst,
     cairo_composite_rectangles_t extents;
     cairo_boxes_t boxes;
     cairo_box_t *clip_boxes = boxes.boxes_embedded;
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     int num_boxes = ARRAY_LENGTH (boxes.boxes_embedded);
     cairo_status_t status;
 
@@ -1116,16 +1107,12 @@ i965_surface_paint (void			*abstract_dst,
     if (clip != NULL && _cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	have_clip = TRUE;
-    }
+    if (clip != NULL)
+	clip = local_clip = _cairo_clip_copy (clip);
 
     status = _cairo_clip_to_boxes (&clip, &extents, &clip_boxes, &num_boxes);
     if (unlikely (status)) {
-	if (have_clip)
-	    _cairo_clip_fini (&local_clip);
-
+	_cairo_clip_destroy (local_clip);
 	return status;
     }
 
@@ -1136,8 +1123,7 @@ i965_surface_paint (void			*abstract_dst,
     if (clip_boxes != boxes.boxes_embedded)
 	free (clip_boxes);
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
@@ -1153,10 +1139,8 @@ i965_surface_mask (void				*abstract_dst,
     cairo_composite_rectangles_t extents;
     i965_shader_t shader;
     i965_device_t *device;
-    cairo_clip_t local_clip;
+    cairo_clip_t *local_clip = NULL;
     cairo_region_t *clip_region = NULL;
-    cairo_bool_t need_clip_surface = FALSE;
-    cairo_bool_t have_clip = FALSE;
     cairo_status_t status;
 
     status = _cairo_composite_rectangles_init_for_mask (&extents,
@@ -1168,16 +1152,8 @@ i965_surface_mask (void				*abstract_dst,
     if (clip != NULL && _cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL && extents.is_bounded) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	status = _cairo_clip_rectangle (clip, &extents.bounded);
-	if (unlikely (status)) {
-	    _cairo_clip_fini (&local_clip);
-	    return status;
-	}
-
-	have_clip = TRUE;
-    }
+    if (clip != NULL && extents.is_bounded)
+	clip = local_clip = _cairo_clip_copy_intersect_rectangle (clip, &extents.bounded);
 
     i965_shader_init (&shader, dst, op);
 
@@ -1196,10 +1172,8 @@ i965_surface_mask (void				*abstract_dst,
 	goto err_shader;
 
     if (clip != NULL) {
-	status = _cairo_clip_get_region (clip, &clip_region);
-	assert (status == CAIRO_STATUS_SUCCESS || CAIRO_INT_STATUS_UNSUPPORTED);
-	need_clip_surface = status == CAIRO_INT_STATUS_UNSUPPORTED;
-	if (need_clip_surface)
+	clip_region = _cairo_clip_get_region (clip);
+	if (clip_region == NULL)
 	    i965_shader_set_clip (&shader, clip);
     }
 
@@ -1240,8 +1214,7 @@ i965_surface_mask (void				*abstract_dst,
     cairo_device_release (&device->intel.base.base);
   err_shader:
     i965_shader_fini (&shader);
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
@@ -1295,8 +1268,7 @@ i965_surface_stroke (void			*abstract_dst,
     composite_polygon_info_t info;
     cairo_box_t boxes_stack[32], *clip_boxes = boxes_stack;
     int num_boxes = ARRAY_LENGTH (boxes_stack);
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     cairo_int_status_t status;
 
     status = _cairo_composite_rectangles_init_for_stroke (&extents,
@@ -1310,16 +1282,12 @@ i965_surface_stroke (void			*abstract_dst,
     if (clip != NULL && _cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	have_clip = TRUE;
-    }
+    if (clip != NULL)
+	clip = local_clip = _cairo_clip_copy (clip);
 
     status = _cairo_clip_to_boxes (&clip, &extents, &clip_boxes, &num_boxes);
     if (unlikely (status)) {
-	if (have_clip)
-	    _cairo_clip_fini (&local_clip);
-
+	_cairo_clip_destroy (local_clip);
 	return status;
     }
 
@@ -1381,8 +1349,7 @@ CLEANUP_BOXES:
     if (clip_boxes != boxes_stack)
 	free (clip_boxes);
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
@@ -1401,8 +1368,7 @@ i965_surface_fill (void			*abstract_dst,
     cairo_composite_rectangles_t extents;
     composite_polygon_info_t info;
     cairo_box_t boxes_stack[32], *clip_boxes = boxes_stack;
-    cairo_clip_t local_clip;
-    cairo_bool_t have_clip = FALSE;
+    cairo_clip_t *local_clip = NULL;
     int num_boxes = ARRAY_LENGTH (boxes_stack);
     cairo_int_status_t status;
 
@@ -1418,16 +1384,12 @@ i965_surface_fill (void			*abstract_dst,
     if (clip != NULL && _cairo_clip_contains_extents (clip, &extents))
 	clip = NULL;
 
-    if (clip != NULL) {
-	clip = _cairo_clip_init_copy (&local_clip, clip);
-	have_clip = TRUE;
-    }
+    if (clip != NULL)
+	clip = local_clip = _cairo_clip_copy (clip);
 
     status = _cairo_clip_to_boxes (&clip, &extents, &clip_boxes, &num_boxes);
     if (unlikely (status)) {
-	if (have_clip)
-	    _cairo_clip_fini (&local_clip);
-
+	_cairo_clip_destroy (local_clip);
 	return status;
     }
 
@@ -1486,8 +1448,7 @@ CLEANUP_BOXES:
     if (clip_boxes != boxes_stack)
 	free (clip_boxes);
 
-    if (have_clip)
-	_cairo_clip_fini (&local_clip);
+    _cairo_clip_destroy (local_clip);
 
     return status;
 }
-- 
2.6.4.442.g545299f

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