874 lines
27 KiB
C
874 lines
27 KiB
C
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#ifndef PIXMAN_PRIVATE_H
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#define PIXMAN_PRIVATE_H
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#define PIXMAN_DISABLE_DEPRECATED
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#define PIXMAN_USE_INTERNAL_API
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#include "pixman.h"
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#include <time.h>
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include "pixman-compiler.h"
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/*
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* Images
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*/
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typedef struct image_common image_common_t;
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typedef struct source_image source_image_t;
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typedef struct solid_fill solid_fill_t;
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typedef struct gradient gradient_t;
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typedef struct linear_gradient linear_gradient_t;
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typedef struct horizontal_gradient horizontal_gradient_t;
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typedef struct vertical_gradient vertical_gradient_t;
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typedef struct conical_gradient conical_gradient_t;
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typedef struct radial_gradient radial_gradient_t;
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typedef struct bits_image bits_image_t;
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typedef struct circle circle_t;
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typedef void (*fetch_scanline_t) (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t *buffer,
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const uint32_t *mask);
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typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image,
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int x,
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int y);
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typedef uint64_t (*fetch_pixel_64_t) (bits_image_t *image,
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int x,
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int y);
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typedef void (*store_scanline_t) (bits_image_t * image,
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int x,
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int y,
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int width,
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const uint32_t *values);
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typedef enum
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{
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BITS,
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LINEAR,
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CONICAL,
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RADIAL,
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SOLID
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} image_type_t;
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typedef enum
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{
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SOURCE_IMAGE_CLASS_UNKNOWN,
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SOURCE_IMAGE_CLASS_HORIZONTAL,
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} source_image_class_t;
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typedef source_image_class_t (*classify_func_t) (pixman_image_t *image,
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int x,
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int y,
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int width,
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int height);
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typedef void (*property_changed_func_t) (pixman_image_t *image);
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struct image_common
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{
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image_type_t type;
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int32_t ref_count;
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pixman_region32_t clip_region;
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int32_t alpha_count; /* How many times this image is being used as an alpha map */
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pixman_bool_t have_clip_region; /* FALSE if there is no clip */
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pixman_bool_t client_clip; /* Whether the source clip was
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set by a client */
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pixman_bool_t clip_sources; /* Whether the clip applies when
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* the image is used as a source
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*/
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pixman_bool_t dirty;
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pixman_transform_t * transform;
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pixman_repeat_t repeat;
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pixman_filter_t filter;
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pixman_fixed_t * filter_params;
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int n_filter_params;
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bits_image_t * alpha_map;
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int alpha_origin_x;
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int alpha_origin_y;
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pixman_bool_t component_alpha;
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classify_func_t classify;
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property_changed_func_t property_changed;
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fetch_scanline_t get_scanline_32;
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fetch_scanline_t get_scanline_64;
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pixman_image_destroy_func_t destroy_func;
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void * destroy_data;
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uint32_t flags;
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pixman_format_code_t extended_format_code;
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};
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struct source_image
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{
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image_common_t common;
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};
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struct solid_fill
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{
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source_image_t common;
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pixman_color_t color;
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uint32_t color_32;
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uint64_t color_64;
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};
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struct gradient
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{
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source_image_t common;
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int n_stops;
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pixman_gradient_stop_t *stops;
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int stop_range;
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};
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struct linear_gradient
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{
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gradient_t common;
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pixman_point_fixed_t p1;
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pixman_point_fixed_t p2;
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};
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struct circle
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{
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pixman_fixed_t x;
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pixman_fixed_t y;
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pixman_fixed_t radius;
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};
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struct radial_gradient
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{
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gradient_t common;
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circle_t c1;
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circle_t c2;
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circle_t delta;
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double a;
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double inva;
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double mindr;
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};
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struct conical_gradient
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{
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gradient_t common;
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pixman_point_fixed_t center;
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double angle;
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};
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struct bits_image
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{
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image_common_t common;
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pixman_format_code_t format;
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const pixman_indexed_t * indexed;
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int width;
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int height;
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uint32_t * bits;
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uint32_t * free_me;
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int rowstride; /* in number of uint32_t's */
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fetch_scanline_t fetch_scanline_32;
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fetch_pixel_32_t fetch_pixel_32;
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store_scanline_t store_scanline_32;
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fetch_scanline_t fetch_scanline_64;
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fetch_pixel_64_t fetch_pixel_64;
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store_scanline_t store_scanline_64;
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/* Used for indirect access to the bits */
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pixman_read_memory_func_t read_func;
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pixman_write_memory_func_t write_func;
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};
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union pixman_image
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{
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image_type_t type;
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image_common_t common;
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bits_image_t bits;
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source_image_t source;
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gradient_t gradient;
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linear_gradient_t linear;
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conical_gradient_t conical;
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radial_gradient_t radial;
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solid_fill_t solid;
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};
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void
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_pixman_bits_image_setup_accessors (bits_image_t *image);
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void
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_pixman_image_get_scanline_generic_64 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask);
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source_image_class_t
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_pixman_image_classify (pixman_image_t *image,
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int x,
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int y,
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int width,
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int height);
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void
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_pixman_image_get_scanline_32 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *mask);
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/* Even thought the type of buffer is uint32_t *, the function actually expects
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* a uint64_t *buffer.
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*/
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void
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_pixman_image_get_scanline_64 (pixman_image_t *image,
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int x,
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int y,
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int width,
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uint32_t * buffer,
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const uint32_t *unused);
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void
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_pixman_image_store_scanline_32 (bits_image_t * image,
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int x,
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int y,
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int width,
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const uint32_t *buffer);
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/* Even though the type of buffer is uint32_t *, the function
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* actually expects a uint64_t *buffer.
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*/
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void
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_pixman_image_store_scanline_64 (bits_image_t * image,
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int x,
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int y,
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int width,
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const uint32_t *buffer);
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pixman_image_t *
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_pixman_image_allocate (void);
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pixman_bool_t
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_pixman_init_gradient (gradient_t * gradient,
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const pixman_gradient_stop_t *stops,
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int n_stops);
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void
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_pixman_image_reset_clip_region (pixman_image_t *image);
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void
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_pixman_image_validate (pixman_image_t *image);
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uint32_t
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_pixman_image_get_solid (pixman_image_t * image,
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pixman_format_code_t format);
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#define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
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do \
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{ \
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uint32_t *__bits__; \
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int __stride__; \
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\
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__bits__ = image->bits.bits; \
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__stride__ = image->bits.rowstride; \
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(out_stride) = \
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__stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
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(line) = \
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((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \
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} while (0)
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/*
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* Gradient walker
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*/
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typedef struct
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{
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uint32_t left_ag;
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uint32_t left_rb;
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uint32_t right_ag;
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uint32_t right_rb;
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int32_t left_x;
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int32_t right_x;
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int32_t stepper;
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pixman_gradient_stop_t *stops;
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int num_stops;
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unsigned int spread;
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int need_reset;
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} pixman_gradient_walker_t;
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void
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_pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
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gradient_t * gradient,
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unsigned int spread);
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void
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_pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
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pixman_fixed_32_32_t pos);
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uint32_t
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_pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
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pixman_fixed_32_32_t x);
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/*
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* Edges
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*/
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#define MAX_ALPHA(n) ((1 << (n)) - 1)
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#define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1)
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#define N_X_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) + 1)
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#define STEP_Y_SMALL(n) (pixman_fixed_1 / N_Y_FRAC (n))
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#define STEP_Y_BIG(n) (pixman_fixed_1 - (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
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#define Y_FRAC_FIRST(n) (STEP_Y_BIG (n) / 2)
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#define Y_FRAC_LAST(n) (Y_FRAC_FIRST (n) + (N_Y_FRAC (n) - 1) * STEP_Y_SMALL (n))
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#define STEP_X_SMALL(n) (pixman_fixed_1 / N_X_FRAC (n))
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#define STEP_X_BIG(n) (pixman_fixed_1 - (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
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#define X_FRAC_FIRST(n) (STEP_X_BIG (n) / 2)
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#define X_FRAC_LAST(n) (X_FRAC_FIRST (n) + (N_X_FRAC (n) - 1) * STEP_X_SMALL (n))
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#define RENDER_SAMPLES_X(x, n) \
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((n) == 1? 0 : (pixman_fixed_frac (x) + \
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X_FRAC_FIRST (n)) / STEP_X_SMALL (n))
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void
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pixman_rasterize_edges_accessors (pixman_image_t *image,
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pixman_edge_t * l,
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pixman_edge_t * r,
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pixman_fixed_t t,
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pixman_fixed_t b);
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/*
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* Implementations
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*/
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typedef struct pixman_implementation_t pixman_implementation_t;
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typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
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pixman_op_t op,
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uint32_t * dest,
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const uint32_t * src,
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const uint32_t * mask,
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int width);
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typedef void (*pixman_combine_64_func_t) (pixman_implementation_t *imp,
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pixman_op_t op,
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uint64_t * dest,
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const uint64_t * src,
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const uint64_t * mask,
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int width);
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typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
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pixman_op_t op,
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pixman_image_t * src,
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pixman_image_t * mask,
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pixman_image_t * dest,
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int32_t src_x,
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int32_t src_y,
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int32_t mask_x,
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int32_t mask_y,
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int32_t dest_x,
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int32_t dest_y,
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int32_t width,
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int32_t height);
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typedef pixman_bool_t (*pixman_blt_func_t) (pixman_implementation_t *imp,
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uint32_t * src_bits,
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uint32_t * dst_bits,
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int src_stride,
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int dst_stride,
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int src_bpp,
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int dst_bpp,
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int src_x,
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int src_y,
|
||
|
|
int dst_x,
|
||
|
|
int dst_y,
|
||
|
|
int width,
|
||
|
|
int height);
|
||
|
|
typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
|
||
|
|
uint32_t * bits,
|
||
|
|
int stride,
|
||
|
|
int bpp,
|
||
|
|
int x,
|
||
|
|
int y,
|
||
|
|
int width,
|
||
|
|
int height,
|
||
|
|
uint32_t xor);
|
||
|
|
|
||
|
|
void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
|
||
|
|
void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
pixman_op_t op;
|
||
|
|
pixman_format_code_t src_format;
|
||
|
|
uint32_t src_flags;
|
||
|
|
pixman_format_code_t mask_format;
|
||
|
|
uint32_t mask_flags;
|
||
|
|
pixman_format_code_t dest_format;
|
||
|
|
uint32_t dest_flags;
|
||
|
|
pixman_composite_func_t func;
|
||
|
|
} pixman_fast_path_t;
|
||
|
|
|
||
|
|
struct pixman_implementation_t
|
||
|
|
{
|
||
|
|
pixman_implementation_t * toplevel;
|
||
|
|
pixman_implementation_t * delegate;
|
||
|
|
const pixman_fast_path_t * fast_paths;
|
||
|
|
|
||
|
|
pixman_blt_func_t blt;
|
||
|
|
pixman_fill_func_t fill;
|
||
|
|
|
||
|
|
pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
|
||
|
|
pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
|
||
|
|
pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS];
|
||
|
|
pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS];
|
||
|
|
};
|
||
|
|
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create (pixman_implementation_t *delegate,
|
||
|
|
const pixman_fast_path_t *fast_paths);
|
||
|
|
|
||
|
|
void
|
||
|
|
_pixman_implementation_combine_32 (pixman_implementation_t *imp,
|
||
|
|
pixman_op_t op,
|
||
|
|
uint32_t * dest,
|
||
|
|
const uint32_t * src,
|
||
|
|
const uint32_t * mask,
|
||
|
|
int width);
|
||
|
|
void
|
||
|
|
_pixman_implementation_combine_64 (pixman_implementation_t *imp,
|
||
|
|
pixman_op_t op,
|
||
|
|
uint64_t * dest,
|
||
|
|
const uint64_t * src,
|
||
|
|
const uint64_t * mask,
|
||
|
|
int width);
|
||
|
|
void
|
||
|
|
_pixman_implementation_combine_32_ca (pixman_implementation_t *imp,
|
||
|
|
pixman_op_t op,
|
||
|
|
uint32_t * dest,
|
||
|
|
const uint32_t * src,
|
||
|
|
const uint32_t * mask,
|
||
|
|
int width);
|
||
|
|
void
|
||
|
|
_pixman_implementation_combine_64_ca (pixman_implementation_t *imp,
|
||
|
|
pixman_op_t op,
|
||
|
|
uint64_t * dest,
|
||
|
|
const uint64_t * src,
|
||
|
|
const uint64_t * mask,
|
||
|
|
int width);
|
||
|
|
|
||
|
|
pixman_bool_t
|
||
|
|
_pixman_implementation_blt (pixman_implementation_t *imp,
|
||
|
|
uint32_t * src_bits,
|
||
|
|
uint32_t * dst_bits,
|
||
|
|
int src_stride,
|
||
|
|
int dst_stride,
|
||
|
|
int src_bpp,
|
||
|
|
int dst_bpp,
|
||
|
|
int src_x,
|
||
|
|
int src_y,
|
||
|
|
int dst_x,
|
||
|
|
int dst_y,
|
||
|
|
int width,
|
||
|
|
int height);
|
||
|
|
|
||
|
|
pixman_bool_t
|
||
|
|
_pixman_implementation_fill (pixman_implementation_t *imp,
|
||
|
|
uint32_t * bits,
|
||
|
|
int stride,
|
||
|
|
int bpp,
|
||
|
|
int x,
|
||
|
|
int y,
|
||
|
|
int width,
|
||
|
|
int height,
|
||
|
|
uint32_t xor);
|
||
|
|
|
||
|
|
/* Specific implementations */
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_general (void);
|
||
|
|
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_fast_path (void);
|
||
|
|
|
||
|
|
#ifdef USE_MMX
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_mmx (void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef USE_SSE2
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_sse2 (void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef USE_ARM_SIMD
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_arm_simd (void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef USE_ARM_NEON
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_arm_neon (void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef USE_VMX
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_implementation_create_vmx (void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
pixman_implementation_t *
|
||
|
|
_pixman_choose_implementation (void);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Utilities
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* These "formats" all have depth 0, so they
|
||
|
|
* will never clash with any real ones
|
||
|
|
*/
|
||
|
|
#define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0)
|
||
|
|
#define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0)
|
||
|
|
#define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0)
|
||
|
|
#define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0)
|
||
|
|
#define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0)
|
||
|
|
#define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0)
|
||
|
|
|
||
|
|
#define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1)
|
||
|
|
|
||
|
|
#define FAST_PATH_ID_TRANSFORM (1 << 0)
|
||
|
|
#define FAST_PATH_NO_ALPHA_MAP (1 << 1)
|
||
|
|
#define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2)
|
||
|
|
#define FAST_PATH_NO_PAD_REPEAT (1 << 3)
|
||
|
|
#define FAST_PATH_NO_REFLECT_REPEAT (1 << 4)
|
||
|
|
#define FAST_PATH_NO_ACCESSORS (1 << 5)
|
||
|
|
#define FAST_PATH_NARROW_FORMAT (1 << 6)
|
||
|
|
#define FAST_PATH_COMPONENT_ALPHA (1 << 8)
|
||
|
|
#define FAST_PATH_SAMPLES_OPAQUE (1 << 7)
|
||
|
|
#define FAST_PATH_UNIFIED_ALPHA (1 << 9)
|
||
|
|
#define FAST_PATH_SCALE_TRANSFORM (1 << 10)
|
||
|
|
#define FAST_PATH_NEAREST_FILTER (1 << 11)
|
||
|
|
#define FAST_PATH_HAS_TRANSFORM (1 << 12)
|
||
|
|
#define FAST_PATH_IS_OPAQUE (1 << 13)
|
||
|
|
#define FAST_PATH_NEEDS_WORKAROUND (1 << 14)
|
||
|
|
#define FAST_PATH_NO_NONE_REPEAT (1 << 15)
|
||
|
|
#define FAST_PATH_SAMPLES_COVER_CLIP (1 << 16)
|
||
|
|
#define FAST_PATH_X_UNIT_POSITIVE (1 << 17)
|
||
|
|
#define FAST_PATH_AFFINE_TRANSFORM (1 << 18)
|
||
|
|
#define FAST_PATH_Y_UNIT_ZERO (1 << 19)
|
||
|
|
#define FAST_PATH_BILINEAR_FILTER (1 << 20)
|
||
|
|
#define FAST_PATH_NO_NORMAL_REPEAT (1 << 21)
|
||
|
|
|
||
|
|
#define FAST_PATH_PAD_REPEAT \
|
||
|
|
(FAST_PATH_NO_NONE_REPEAT | \
|
||
|
|
FAST_PATH_NO_NORMAL_REPEAT | \
|
||
|
|
FAST_PATH_NO_REFLECT_REPEAT)
|
||
|
|
|
||
|
|
#define FAST_PATH_NORMAL_REPEAT \
|
||
|
|
(FAST_PATH_NO_NONE_REPEAT | \
|
||
|
|
FAST_PATH_NO_PAD_REPEAT | \
|
||
|
|
FAST_PATH_NO_REFLECT_REPEAT)
|
||
|
|
|
||
|
|
#define FAST_PATH_NONE_REPEAT \
|
||
|
|
(FAST_PATH_NO_NORMAL_REPEAT | \
|
||
|
|
FAST_PATH_NO_PAD_REPEAT | \
|
||
|
|
FAST_PATH_NO_REFLECT_REPEAT)
|
||
|
|
|
||
|
|
#define FAST_PATH_REFLECT_REPEAT \
|
||
|
|
(FAST_PATH_NO_NONE_REPEAT | \
|
||
|
|
FAST_PATH_NO_NORMAL_REPEAT | \
|
||
|
|
FAST_PATH_NO_PAD_REPEAT)
|
||
|
|
|
||
|
|
#define FAST_PATH_STANDARD_FLAGS \
|
||
|
|
(FAST_PATH_NO_CONVOLUTION_FILTER | \
|
||
|
|
FAST_PATH_NO_ACCESSORS | \
|
||
|
|
FAST_PATH_NO_ALPHA_MAP | \
|
||
|
|
FAST_PATH_NARROW_FORMAT)
|
||
|
|
|
||
|
|
#define FAST_PATH_STD_DEST_FLAGS \
|
||
|
|
(FAST_PATH_NO_ACCESSORS | \
|
||
|
|
FAST_PATH_NO_ALPHA_MAP | \
|
||
|
|
FAST_PATH_NARROW_FORMAT)
|
||
|
|
|
||
|
|
#define SOURCE_FLAGS(format) \
|
||
|
|
(FAST_PATH_STANDARD_FLAGS | \
|
||
|
|
((PIXMAN_ ## format == PIXMAN_solid) ? \
|
||
|
|
0 : (FAST_PATH_SAMPLES_COVER_CLIP | FAST_PATH_ID_TRANSFORM)))
|
||
|
|
|
||
|
|
#define MASK_FLAGS(format, extra) \
|
||
|
|
((PIXMAN_ ## format == PIXMAN_null) ? 0 : (SOURCE_FLAGS (format) | extra))
|
||
|
|
|
||
|
|
#define FAST_PATH(op, src, src_flags, mask, mask_flags, dest, dest_flags, func) \
|
||
|
|
PIXMAN_OP_ ## op, \
|
||
|
|
PIXMAN_ ## src, \
|
||
|
|
src_flags, \
|
||
|
|
PIXMAN_ ## mask, \
|
||
|
|
mask_flags, \
|
||
|
|
PIXMAN_ ## dest, \
|
||
|
|
dest_flags, \
|
||
|
|
func
|
||
|
|
|
||
|
|
#define PIXMAN_STD_FAST_PATH(op, src, mask, dest, func) \
|
||
|
|
{ FAST_PATH ( \
|
||
|
|
op, \
|
||
|
|
src, SOURCE_FLAGS (src), \
|
||
|
|
mask, MASK_FLAGS (mask, FAST_PATH_UNIFIED_ALPHA), \
|
||
|
|
dest, FAST_PATH_STD_DEST_FLAGS, \
|
||
|
|
func) }
|
||
|
|
|
||
|
|
#define PIXMAN_STD_FAST_PATH_CA(op, src, mask, dest, func) \
|
||
|
|
{ FAST_PATH ( \
|
||
|
|
op, \
|
||
|
|
src, SOURCE_FLAGS (src), \
|
||
|
|
mask, MASK_FLAGS (mask, FAST_PATH_COMPONENT_ALPHA), \
|
||
|
|
dest, FAST_PATH_STD_DEST_FLAGS, \
|
||
|
|
func) }
|
||
|
|
|
||
|
|
/* Memory allocation helpers */
|
||
|
|
void *
|
||
|
|
pixman_malloc_ab (unsigned int n, unsigned int b);
|
||
|
|
|
||
|
|
void *
|
||
|
|
pixman_malloc_abc (unsigned int a, unsigned int b, unsigned int c);
|
||
|
|
|
||
|
|
pixman_bool_t
|
||
|
|
pixman_multiply_overflows_int (unsigned int a, unsigned int b);
|
||
|
|
|
||
|
|
pixman_bool_t
|
||
|
|
pixman_addition_overflows_int (unsigned int a, unsigned int b);
|
||
|
|
|
||
|
|
/* Compositing utilities */
|
||
|
|
void
|
||
|
|
pixman_expand (uint64_t * dst,
|
||
|
|
const uint32_t * src,
|
||
|
|
pixman_format_code_t format,
|
||
|
|
int width);
|
||
|
|
|
||
|
|
void
|
||
|
|
pixman_contract (uint32_t * dst,
|
||
|
|
const uint64_t *src,
|
||
|
|
int width);
|
||
|
|
|
||
|
|
|
||
|
|
/* Region Helpers */
|
||
|
|
pixman_bool_t
|
||
|
|
pixman_region32_copy_from_region16 (pixman_region32_t *dst,
|
||
|
|
pixman_region16_t *src);
|
||
|
|
|
||
|
|
pixman_bool_t
|
||
|
|
pixman_region16_copy_from_region32 (pixman_region16_t *dst,
|
||
|
|
pixman_region32_t *src);
|
||
|
|
|
||
|
|
|
||
|
|
/* Misc macros */
|
||
|
|
|
||
|
|
#ifndef FALSE
|
||
|
|
# define FALSE 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef TRUE
|
||
|
|
# define TRUE 1
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef MIN
|
||
|
|
# define MIN(a, b) ((a < b) ? a : b)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef MAX
|
||
|
|
# define MAX(a, b) ((a > b) ? a : b)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Integer division that rounds towards -infinity */
|
||
|
|
#define DIV(a, b) \
|
||
|
|
((((a) < 0) == ((b) < 0)) ? (a) / (b) : \
|
||
|
|
((a) - (b) + 1 - (((b) < 0) << 1)) / (b))
|
||
|
|
|
||
|
|
/* Modulus that produces the remainder wrt. DIV */
|
||
|
|
#define MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
|
||
|
|
|
||
|
|
#define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
|
||
|
|
|
||
|
|
/* Conversion between 8888 and 0565 */
|
||
|
|
|
||
|
|
#define CONVERT_8888_TO_0565(s) \
|
||
|
|
((((s) >> 3) & 0x001f) | \
|
||
|
|
(((s) >> 5) & 0x07e0) | \
|
||
|
|
(((s) >> 8) & 0xf800))
|
||
|
|
|
||
|
|
#define CONVERT_0565_TO_0888(s) \
|
||
|
|
(((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
|
||
|
|
((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
|
||
|
|
((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
|
||
|
|
|
||
|
|
#define CONVERT_0565_TO_8888(s) (CONVERT_0565_TO_0888(s) | 0xff000000)
|
||
|
|
|
||
|
|
/* Trivial versions that are useful in macros */
|
||
|
|
#define CONVERT_8888_TO_8888(s) (s)
|
||
|
|
#define CONVERT_0565_TO_0565(s) (s)
|
||
|
|
|
||
|
|
#define PIXMAN_FORMAT_IS_WIDE(f) \
|
||
|
|
(PIXMAN_FORMAT_A (f) > 8 || \
|
||
|
|
PIXMAN_FORMAT_R (f) > 8 || \
|
||
|
|
PIXMAN_FORMAT_G (f) > 8 || \
|
||
|
|
PIXMAN_FORMAT_B (f) > 8)
|
||
|
|
|
||
|
|
#ifdef WORDS_BIGENDIAN
|
||
|
|
# define SCREEN_SHIFT_LEFT(x,n) ((x) << (n))
|
||
|
|
# define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n))
|
||
|
|
#else
|
||
|
|
# define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n))
|
||
|
|
# define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Various debugging code
|
||
|
|
*/
|
||
|
|
|
||
|
|
#undef DEBUG
|
||
|
|
|
||
|
|
#define COMPILE_TIME_ASSERT(x) \
|
||
|
|
do { typedef int compile_time_assertion [(x)?1:-1]; } while (0)
|
||
|
|
|
||
|
|
/* Turn on debugging depending on what type of release this is
|
||
|
|
*/
|
||
|
|
#if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1))
|
||
|
|
|
||
|
|
/* Debugging gets turned on for development releases because these
|
||
|
|
* are the things that end up in bleeding edge distributions such
|
||
|
|
* as Rawhide etc.
|
||
|
|
*
|
||
|
|
* For performance reasons we don't turn it on for stable releases or
|
||
|
|
* random git checkouts. (Random git checkouts are often used for
|
||
|
|
* performance work).
|
||
|
|
*/
|
||
|
|
|
||
|
|
# define DEBUG
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
|
||
|
|
void
|
||
|
|
_pixman_log_error (const char *function, const char *message);
|
||
|
|
|
||
|
|
#define return_if_fail(expr) \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
if (!(expr)) \
|
||
|
|
{ \
|
||
|
|
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
|
||
|
|
return; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
while (0)
|
||
|
|
|
||
|
|
#define return_val_if_fail(expr, retval) \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
if (!(expr)) \
|
||
|
|
{ \
|
||
|
|
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
|
||
|
|
return (retval); \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
while (0)
|
||
|
|
|
||
|
|
#define critical_if_fail(expr) \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
if (!(expr)) \
|
||
|
|
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
|
||
|
|
} \
|
||
|
|
while (0)
|
||
|
|
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define _pixman_log_error(f,m) do { } while (0) \
|
||
|
|
|
||
|
|
#define return_if_fail(expr) \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
if (!(expr)) \
|
||
|
|
return; \
|
||
|
|
} \
|
||
|
|
while (0)
|
||
|
|
|
||
|
|
#define return_val_if_fail(expr, retval) \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
if (!(expr)) \
|
||
|
|
return (retval); \
|
||
|
|
} \
|
||
|
|
while (0)
|
||
|
|
|
||
|
|
#define critical_if_fail(expr) \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
} \
|
||
|
|
while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Timers
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef PIXMAN_TIMERS
|
||
|
|
|
||
|
|
static inline uint64_t
|
||
|
|
oil_profile_stamp_rdtsc (void)
|
||
|
|
{
|
||
|
|
uint64_t ts;
|
||
|
|
|
||
|
|
__asm__ __volatile__ ("rdtsc\n" : "=A" (ts));
|
||
|
|
return ts;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define OIL_STAMP oil_profile_stamp_rdtsc
|
||
|
|
|
||
|
|
typedef struct pixman_timer_t pixman_timer_t;
|
||
|
|
|
||
|
|
struct pixman_timer_t
|
||
|
|
{
|
||
|
|
int initialized;
|
||
|
|
const char * name;
|
||
|
|
uint64_t n_times;
|
||
|
|
uint64_t total;
|
||
|
|
pixman_timer_t *next;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int timer_defined;
|
||
|
|
|
||
|
|
void pixman_timer_register (pixman_timer_t *timer);
|
||
|
|
|
||
|
|
#define TIMER_BEGIN(tname) \
|
||
|
|
{ \
|
||
|
|
static pixman_timer_t timer ## tname; \
|
||
|
|
uint64_t begin ## tname; \
|
||
|
|
\
|
||
|
|
if (!timer ## tname.initialized) \
|
||
|
|
{ \
|
||
|
|
timer ## tname.initialized = 1; \
|
||
|
|
timer ## tname.name = # tname; \
|
||
|
|
pixman_timer_register (&timer ## tname); \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
timer ## tname.n_times++; \
|
||
|
|
begin ## tname = OIL_STAMP ();
|
||
|
|
|
||
|
|
#define TIMER_END(tname) \
|
||
|
|
timer ## tname.total += OIL_STAMP () - begin ## tname; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* PIXMAN_TIMERS */
|
||
|
|
|
||
|
|
#endif /* PIXMAN_PRIVATE_H */
|