[PATCH 55/71] 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 32d53398f..850c3157f 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 1f979e85e..8753f8abd 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 c5b66e4fb..cebcb43a4 100644
--- a/src/drm/cairo-drm-i915-surface.c
+++ b/src/drm/cairo-drm-i915-surface.c
@@ -111,6 +111,7 @@
 #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>
@@ -1875,8 +1876,7 @@ 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;
 
@@ -1903,15 +1903,12 @@ 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;
     }
@@ -1974,8 +1971,7 @@ 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;
 }
@@ -1990,8 +1986,7 @@ 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);
@@ -2009,15 +2004,12 @@ 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;
     }
@@ -2048,8 +2040,7 @@ 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;
 }
@@ -2083,10 +2074,9 @@ 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) {
@@ -2106,16 +2096,8 @@ 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.);
 
@@ -2210,8 +2192,7 @@ 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;
 }
@@ -2233,8 +2214,7 @@ 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,
@@ -2251,15 +2231,12 @@ 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;
     }
@@ -2324,8 +2301,7 @@ 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 814c98faa..2ff338acb 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 499e53de0..5b9e136f0 100644
--- a/src/drm/cairo-drm-i965-surface.c
+++ b/src/drm/cairo-drm-i965-surface.c
@@ -59,6 +59,7 @@
 #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>
@@ -764,13 +765,8 @@ 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 &&
@@ -888,9 +884,8 @@ 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);
     }
 
@@ -993,7 +988,6 @@ _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;
@@ -1017,10 +1011,8 @@ _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);
     }
 
@@ -1098,8 +1090,7 @@ 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;
 
@@ -1115,16 +1106,12 @@ 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;
     }
 
@@ -1135,8 +1122,7 @@ 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;
 }
@@ -1152,10 +1138,8 @@ 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,
@@ -1167,16 +1151,8 @@ 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);
 
@@ -1195,10 +1171,8 @@ 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);
     }
 
@@ -1239,8 +1213,7 @@ 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;
 }
@@ -1294,8 +1267,7 @@ 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,
@@ -1309,16 +1281,12 @@ 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;
     }
 
@@ -1380,8 +1348,7 @@ 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;
 }
@@ -1400,8 +1367,7 @@ 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;
 
@@ -1417,16 +1383,12 @@ 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;
     }
 
@@ -1485,8 +1447,7 @@ 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;
 }
-- 
2.11.0.rc0.7.gbe5a750

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