Attachment 41551 Details for Bug 32764 – Hacky workaround for buggy(?) cpp

[patch] Hacky workaround for buggy(?) cpp

suncpp_workaround.patch (text/plain), 5.90 KB, created by Peter O'Gorman, The Written Word, Inc. on 2010-12-31 15:21:25 UTC

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Creator: Peter O'Gorman, The Written Word, Inc.

Created: 2010-12-31 15:21:25 UTC

Size: 5.90 KB

patch

obsolete

>Index: pixman/pixman-fast-path.h
>===================================================================
>--- pixman/pixman-fast-path.h.orig	2010-12-30 20:24:07.000000000 +0000
>+++ pixman/pixman-fast-path.h	2010-12-30 22:09:11.751655614 +0000
>@@ -374,12 +374,141 @@
>     }												\
> }
> 
>+#define FAST_NEAREST_MAINLOOP_INT(scale_func_name, scanline_func, src_type_t, dst_type_t,		\
>+			      repeat_mode)							\
>+static void											\
>+scale_func_name (pixman_implementation_t *imp,		\
>+						   pixman_op_t              op,			\
>+						   pixman_image_t *         src_image,		\
>+						   pixman_image_t *         mask_image,		\
>+						   pixman_image_t *         dst_image,		\
>+						   int32_t                  src_x,		\
>+						   int32_t                  src_y,		\
>+						   int32_t                  mask_x,		\
>+						   int32_t                  mask_y,		\
>+						   int32_t                  dst_x,		\
>+						   int32_t                  dst_y,		\
>+						   int32_t                  width,		\
>+						   int32_t                  height)		\
>+{												\
>+    dst_type_t *dst_line;									\
>+    src_type_t *src_first_line;									\
>+    int       y;										\
>+    pixman_fixed_t max_vx = max_vx; /* suppress uninitialized variable warning */		\
>+    pixman_fixed_t max_vy;									\
>+    pixman_vector_t v;										\
>+    pixman_fixed_t vx, vy;									\
>+    pixman_fixed_t unit_x, unit_y;								\
>+    int32_t left_pad, right_pad;								\
>+												\
>+    src_type_t *src;										\
>+    dst_type_t *dst;										\
>+    int       src_stride, dst_stride;								\
>+												\
>+    PIXMAN_IMAGE_GET_LINE (dst_image, dst_x, dst_y, dst_type_t, dst_stride, dst_line, 1);	\
>+    /* pass in 0 instead of src_x and src_y because src_x and src_y need to be			\
>+     * transformed from destination space to source space */					\
>+    PIXMAN_IMAGE_GET_LINE (src_image, 0, 0, src_type_t, src_stride, src_first_line, 1);		\
>+												\
>+    /* reference point is the center of the pixel */						\
>+    v.vector[0] = pixman_int_to_fixed (src_x) + pixman_fixed_1 / 2;				\
>+    v.vector[1] = pixman_int_to_fixed (src_y) + pixman_fixed_1 / 2;				\
>+    v.vector[2] = pixman_fixed_1;								\
>+												\
>+    if (!pixman_transform_point_3d (src_image->common.transform, &v))				\
>+	return;											\
>+												\
>+    unit_x = src_image->common.transform->matrix[0][0];						\
>+    unit_y = src_image->common.transform->matrix[1][1];						\
>+												\
>+    /* Round down to closest integer, ensuring that 0.5 rounds to 0, not 1 */			\
>+    v.vector[0] -= pixman_fixed_e;								\
>+    v.vector[1] -= pixman_fixed_e;								\
>+												\
>+    vx = v.vector[0];										\
>+    vy = v.vector[1];										\
>+												\
>+    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)					\
>+    {												\
>+	/* Clamp repeating positions inside the actual samples */				\
>+	max_vx = src_image->bits.width << 16;							\
>+	max_vy = src_image->bits.height << 16;							\
>+												\
>+	repeat (PIXMAN_REPEAT_NORMAL, &vx, max_vx);						\
>+	repeat (PIXMAN_REPEAT_NORMAL, &vy, max_vy);						\
>+    }												\
>+												\
>+    if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_PAD ||					\
>+	PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NONE)					\
>+    {												\
>+	pad_repeat_get_scanline_bounds (src_image->bits.width, vx, unit_x,			\
>+					&width, &left_pad, &right_pad);				\
>+	vx += left_pad * unit_x;								\
>+    }												\
>+												\
>+    while (--height >= 0)									\
>+    {												\
>+	dst = dst_line;										\
>+	dst_line += dst_stride;									\
>+												\
>+	y = vy >> 16;										\
>+	vy += unit_y;										\
>+	if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NORMAL)				\
>+	    repeat (PIXMAN_REPEAT_NORMAL, &vy, max_vy);						\
>+	if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_PAD)					\
>+	{											\
>+	    repeat (PIXMAN_REPEAT_PAD, &y, src_image->bits.height);				\
>+	    src = src_first_line + src_stride * y;						\
>+	    if (left_pad > 0)									\
>+	    {											\
>+		scanline_func (dst, src, left_pad, 0, 0, 0);					\
>+	    }											\
>+	    if (width > 0)									\
>+	    {											\
>+		scanline_func (dst + left_pad, src, width, vx, unit_x, 0);			\
>+	    }											\
>+	    if (right_pad > 0)									\
>+	    {											\
>+		scanline_func (dst + left_pad + width, src + src_image->bits.width - 1,		\
>+			        right_pad, 0, 0, 0);						\
>+	    }											\
>+	}											\
>+	else if (PIXMAN_REPEAT_ ## repeat_mode == PIXMAN_REPEAT_NONE)				\
>+	{											\
>+	    static src_type_t zero = 0;								\
>+	    if (y < 0 || y >= src_image->bits.height)						\
>+	    {											\
>+		scanline_func (dst, &zero, left_pad + width + right_pad, 0, 0, 0);		\
>+		continue;									\
>+	    }											\
>+	    src = src_first_line + src_stride * y;						\
>+	    if (left_pad > 0)									\
>+	    {											\
>+		scanline_func (dst, &zero, left_pad, 0, 0, 0);					\
>+	    }											\
>+	    if (width > 0)									\
>+	    {											\
>+		scanline_func (dst + left_pad, src, width, vx, unit_x, 0);			\
>+	    }											\
>+	    if (right_pad > 0)									\
>+	    {											\
>+		scanline_func (dst + left_pad + width, &zero, right_pad, 0, 0, 0);		\
>+	    }											\
>+	}											\
>+	else											\
>+	{											\
>+	    src = src_first_line + src_stride * y;						\
>+	    scanline_func (dst, src, width, vx, unit_x, max_vx);				\
>+	}											\
>+    }												\
>+}
>+
> #define FAST_NEAREST(scale_func_name, SRC_FORMAT, DST_FORMAT,				\
> 		     src_type_t, dst_type_t, OP, repeat_mode)				\
>     FAST_NEAREST_SCANLINE(scaled_nearest_scanline_ ## scale_func_name ## _ ## OP,	\
> 			  SRC_FORMAT, DST_FORMAT, src_type_t, dst_type_t,		\
> 			  OP, repeat_mode)						\
>-    FAST_NEAREST_MAINLOOP(scale_func_name##_##OP,					\
>+    FAST_NEAREST_MAINLOOP_INT(fast_composite_scaled_nearest_ ##scale_func_name##_##OP,					\
> 			  scaled_nearest_scanline_ ## scale_func_name ## _ ## OP,	\
> 			  src_type_t, dst_type_t, repeat_mode)				\
> 											\

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