forked from KolibriOS/kolibrios
1136 lines
33 KiB
C
1136 lines
33 KiB
C
#include <float.h>
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#ifndef PIXMAN_PRIVATE_H
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#define PIXMAN_PRIVATE_H
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/*
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* The defines which are shared between C and assembly code
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*/
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/* bilinear interpolation precision (must be <= 8) */
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#define BILINEAR_INTERPOLATION_BITS 7
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#define BILINEAR_INTERPOLATION_RANGE (1 << BILINEAR_INTERPOLATION_BITS)
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/*
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* C specific part
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*/
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#ifndef __ASSEMBLER__
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#ifndef PACKAGE
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# error config.h must be included before pixman-private.h
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#endif
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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 <stddef.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 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 struct argb_t argb_t;
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struct argb_t
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{
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float a;
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float r;
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float g;
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float b;
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};
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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 argb_t (*fetch_pixel_float_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 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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property_changed_func_t property_changed;
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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 solid_fill
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{
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image_common_t common;
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pixman_color_t color;
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uint32_t color_32;
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argb_t color_float;
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};
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struct gradient
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{
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image_common_t common;
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int n_stops;
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pixman_gradient_stop_t *stops;
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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_float;
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fetch_pixel_float_t fetch_pixel_float;
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store_scanline_t store_scanline_float;
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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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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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typedef struct pixman_iter_t pixman_iter_t;
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typedef uint32_t *(* pixman_iter_get_scanline_t) (pixman_iter_t *iter, const uint32_t *mask);
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typedef void (* pixman_iter_write_back_t) (pixman_iter_t *iter);
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typedef enum
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{
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ITER_NARROW = (1 << 0),
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/* "Localized alpha" is when the alpha channel is used only to compute
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* the alpha value of the destination. This means that the computation
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* of the RGB values of the result is independent of the alpha value.
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*
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* For example, the OVER operator has localized alpha for the
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* destination, because the RGB values of the result can be computed
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* without knowing the destination alpha. Similarly, ADD has localized
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* alpha for both source and destination because the RGB values of the
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* result can be computed without knowing the alpha value of source or
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* destination.
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*
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* When he destination is xRGB, this is useful knowledge, because then
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* we can treat it as if it were ARGB, which means in some cases we can
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* avoid copying it to a temporary buffer.
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*/
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ITER_LOCALIZED_ALPHA = (1 << 1),
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ITER_IGNORE_ALPHA = (1 << 2),
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ITER_IGNORE_RGB = (1 << 3)
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} iter_flags_t;
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struct pixman_iter_t
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{
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/* These are initialized by _pixman_implementation_{src,dest}_init */
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pixman_image_t * image;
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uint32_t * buffer;
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int x, y;
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int width;
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int height;
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iter_flags_t iter_flags;
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uint32_t image_flags;
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/* These function pointers are initialized by the implementation */
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pixman_iter_get_scanline_t get_scanline;
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pixman_iter_write_back_t write_back;
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/* These fields are scratch data that implementations can use */
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void * data;
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uint8_t * bits;
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int stride;
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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_bits_image_src_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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void
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_pixman_bits_image_dest_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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void
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_pixman_linear_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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void
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_pixman_radial_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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void
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_pixman_conical_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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void
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_pixman_image_init (pixman_image_t *image);
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pixman_bool_t
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_pixman_bits_image_init (pixman_image_t * image,
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pixman_format_code_t format,
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int width,
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int height,
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uint32_t * bits,
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int rowstride,
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pixman_bool_t clear);
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pixman_bool_t
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_pixman_image_fini (pixman_image_t *image);
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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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#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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float a_s, a_b;
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float r_s, r_b;
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float g_s, g_b;
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float b_s, b_b;
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pixman_fixed_t left_x;
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pixman_fixed_t right_x;
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pixman_gradient_stop_t *stops;
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int num_stops;
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pixman_repeat_t repeat;
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pixman_bool_t 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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pixman_repeat_t repeat);
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void
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_pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
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pixman_fixed_48_16_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_48_16_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 struct
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{
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pixman_op_t op;
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pixman_image_t * src_image;
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pixman_image_t * mask_image;
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pixman_image_t * dest_image;
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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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uint32_t src_flags;
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uint32_t mask_flags;
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uint32_t dest_flags;
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} pixman_composite_info_t;
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#define PIXMAN_COMPOSITE_ARGS(info) \
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MAYBE_UNUSED pixman_op_t op = info->op; \
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MAYBE_UNUSED pixman_image_t * src_image = info->src_image; \
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MAYBE_UNUSED pixman_image_t * mask_image = info->mask_image; \
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MAYBE_UNUSED pixman_image_t * dest_image = info->dest_image; \
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MAYBE_UNUSED int32_t src_x = info->src_x; \
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MAYBE_UNUSED int32_t src_y = info->src_y; \
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MAYBE_UNUSED int32_t mask_x = info->mask_x; \
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MAYBE_UNUSED int32_t mask_y = info->mask_y; \
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MAYBE_UNUSED int32_t dest_x = info->dest_x; \
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MAYBE_UNUSED int32_t dest_y = info->dest_y; \
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MAYBE_UNUSED int32_t width = info->width; \
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MAYBE_UNUSED int32_t height = info->height
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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_float_func_t) (pixman_implementation_t *imp,
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pixman_op_t op,
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float * dest,
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const float * src,
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const float * mask,
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int n_pixels);
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typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp,
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pixman_composite_info_t *info);
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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,
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int dest_x,
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int dest_y,
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int width,
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int height);
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typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
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uint32_t * bits,
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int stride,
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int bpp,
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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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uint32_t filler);
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typedef pixman_bool_t (*pixman_iter_init_func_t) (pixman_implementation_t *imp,
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pixman_iter_t *iter);
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void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
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void _pixman_setup_combiner_functions_float (pixman_implementation_t *imp);
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typedef struct
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{
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pixman_op_t op;
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pixman_format_code_t src_format;
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uint32_t src_flags;
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pixman_format_code_t mask_format;
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uint32_t mask_flags;
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pixman_format_code_t dest_format;
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uint32_t dest_flags;
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pixman_composite_func_t func;
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} pixman_fast_path_t;
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struct pixman_implementation_t
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{
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pixman_implementation_t * toplevel;
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pixman_implementation_t * fallback;
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const pixman_fast_path_t * fast_paths;
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pixman_blt_func_t blt;
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pixman_fill_func_t fill;
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pixman_iter_init_func_t src_iter_init;
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pixman_iter_init_func_t dest_iter_init;
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pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS];
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pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS];
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pixman_combine_float_func_t combine_float[PIXMAN_N_OPERATORS];
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pixman_combine_float_func_t combine_float_ca[PIXMAN_N_OPERATORS];
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};
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uint32_t
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_pixman_image_get_solid (pixman_implementation_t *imp,
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pixman_image_t * image,
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pixman_format_code_t format);
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pixman_implementation_t *
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_pixman_implementation_create (pixman_implementation_t *fallback,
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const pixman_fast_path_t *fast_paths);
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void
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_pixman_implementation_lookup_composite (pixman_implementation_t *toplevel,
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pixman_op_t op,
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pixman_format_code_t src_format,
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uint32_t src_flags,
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pixman_format_code_t mask_format,
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uint32_t mask_flags,
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pixman_format_code_t dest_format,
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uint32_t dest_flags,
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pixman_implementation_t **out_imp,
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pixman_composite_func_t *out_func);
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pixman_combine_32_func_t
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_pixman_implementation_lookup_combiner (pixman_implementation_t *imp,
|
|
pixman_op_t op,
|
|
pixman_bool_t component_alpha,
|
|
pixman_bool_t wide);
|
|
|
|
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 dest_x,
|
|
int dest_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 filler);
|
|
|
|
pixman_bool_t
|
|
_pixman_implementation_src_iter_init (pixman_implementation_t *imp,
|
|
pixman_iter_t *iter,
|
|
pixman_image_t *image,
|
|
int x,
|
|
int y,
|
|
int width,
|
|
int height,
|
|
uint8_t *buffer,
|
|
iter_flags_t flags,
|
|
uint32_t image_flags);
|
|
|
|
pixman_bool_t
|
|
_pixman_implementation_dest_iter_init (pixman_implementation_t *imp,
|
|
pixman_iter_t *iter,
|
|
pixman_image_t *image,
|
|
int x,
|
|
int y,
|
|
int width,
|
|
int height,
|
|
uint8_t *buffer,
|
|
iter_flags_t flags,
|
|
uint32_t image_flags);
|
|
|
|
/* Specific implementations */
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_general (void);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_fast_path (pixman_implementation_t *fallback);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_noop (pixman_implementation_t *fallback);
|
|
|
|
#if defined USE_X86_MMX || defined USE_ARM_IWMMXT || defined USE_LOONGSON_MMI
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_mmx (pixman_implementation_t *fallback);
|
|
#endif
|
|
|
|
#ifdef USE_SSE2
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_sse2 (pixman_implementation_t *fallback);
|
|
#endif
|
|
|
|
#ifdef USE_ARM_SIMD
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_arm_simd (pixman_implementation_t *fallback);
|
|
#endif
|
|
|
|
#ifdef USE_ARM_NEON
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_arm_neon (pixman_implementation_t *fallback);
|
|
#endif
|
|
|
|
#ifdef USE_MIPS_DSPR2
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_mips_dspr2 (pixman_implementation_t *fallback);
|
|
#endif
|
|
|
|
#ifdef USE_VMX
|
|
pixman_implementation_t *
|
|
_pixman_implementation_create_vmx (pixman_implementation_t *fallback);
|
|
#endif
|
|
|
|
pixman_bool_t
|
|
_pixman_implementation_disabled (const char *name);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_x86_get_implementations (pixman_implementation_t *imp);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_arm_get_implementations (pixman_implementation_t *imp);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_ppc_get_implementations (pixman_implementation_t *imp);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_mips_get_implementations (pixman_implementation_t *imp);
|
|
|
|
pixman_implementation_t *
|
|
_pixman_choose_implementation (void);
|
|
|
|
pixman_bool_t
|
|
_pixman_disabled (const char *name);
|
|
|
|
|
|
/*
|
|
* Utilities
|
|
*/
|
|
pixman_bool_t
|
|
_pixman_compute_composite_region32 (pixman_region32_t * region,
|
|
pixman_image_t * src_image,
|
|
pixman_image_t * mask_image,
|
|
pixman_image_t * dest_image,
|
|
int32_t src_x,
|
|
int32_t src_y,
|
|
int32_t mask_x,
|
|
int32_t mask_y,
|
|
int32_t dest_x,
|
|
int32_t dest_y,
|
|
int32_t width,
|
|
int32_t height);
|
|
uint32_t *
|
|
_pixman_iter_get_scanline_noop (pixman_iter_t *iter, const uint32_t *mask);
|
|
|
|
/* 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_NO_NORMAL_REPEAT (1 << 14)
|
|
#define FAST_PATH_NO_NONE_REPEAT (1 << 15)
|
|
#define FAST_PATH_X_UNIT_POSITIVE (1 << 16)
|
|
#define FAST_PATH_AFFINE_TRANSFORM (1 << 17)
|
|
#define FAST_PATH_Y_UNIT_ZERO (1 << 18)
|
|
#define FAST_PATH_BILINEAR_FILTER (1 << 19)
|
|
#define FAST_PATH_ROTATE_90_TRANSFORM (1 << 20)
|
|
#define FAST_PATH_ROTATE_180_TRANSFORM (1 << 21)
|
|
#define FAST_PATH_ROTATE_270_TRANSFORM (1 << 22)
|
|
#define FAST_PATH_SAMPLES_COVER_CLIP_NEAREST (1 << 23)
|
|
#define FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR (1 << 24)
|
|
#define FAST_PATH_BITS_IMAGE (1 << 25)
|
|
#define FAST_PATH_SEPARABLE_CONVOLUTION_FILTER (1 << 26)
|
|
|
|
#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_NEAREST | FAST_PATH_NEAREST_FILTER | 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) }
|
|
|
|
extern pixman_implementation_t *global_implementation;
|
|
|
|
static force_inline pixman_implementation_t *
|
|
get_implementation (void)
|
|
{
|
|
#ifndef TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR
|
|
if (!global_implementation)
|
|
global_implementation = _pixman_choose_implementation ();
|
|
#endif
|
|
return global_implementation;
|
|
}
|
|
|
|
/* This function is exported for the sake of the test suite and not part
|
|
* of the ABI.
|
|
*/
|
|
PIXMAN_EXPORT pixman_implementation_t *
|
|
_pixman_internal_only_get_implementation (void);
|
|
|
|
/* 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_size (size_t a, size_t b);
|
|
|
|
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_to_float (argb_t *dst,
|
|
const uint32_t *src,
|
|
pixman_format_code_t format,
|
|
int width);
|
|
|
|
void
|
|
pixman_contract_from_float (uint32_t *dst,
|
|
const argb_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);
|
|
|
|
/* Doubly linked lists */
|
|
typedef struct pixman_link_t pixman_link_t;
|
|
struct pixman_link_t
|
|
{
|
|
pixman_link_t *next;
|
|
pixman_link_t *prev;
|
|
};
|
|
|
|
typedef struct pixman_list_t pixman_list_t;
|
|
struct pixman_list_t
|
|
{
|
|
pixman_link_t *head;
|
|
pixman_link_t *tail;
|
|
};
|
|
|
|
static force_inline void
|
|
pixman_list_init (pixman_list_t *list)
|
|
{
|
|
list->head = (pixman_link_t *)list;
|
|
list->tail = (pixman_link_t *)list;
|
|
}
|
|
|
|
static force_inline void
|
|
pixman_list_prepend (pixman_list_t *list, pixman_link_t *link)
|
|
{
|
|
link->next = list->head;
|
|
link->prev = (pixman_link_t *)list;
|
|
list->head->prev = link;
|
|
list->head = link;
|
|
}
|
|
|
|
static force_inline void
|
|
pixman_list_unlink (pixman_link_t *link)
|
|
{
|
|
link->prev->next = link->next;
|
|
link->next->prev = link->prev;
|
|
}
|
|
|
|
static force_inline void
|
|
pixman_list_move_to_front (pixman_list_t *list, pixman_link_t *link)
|
|
{
|
|
pixman_list_unlink (link);
|
|
pixman_list_prepend (list, link);
|
|
}
|
|
|
|
/* 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)))
|
|
|
|
#define FLOAT_IS_ZERO(f) (-FLT_MIN < (f) && (f) < FLT_MIN)
|
|
|
|
/* Conversion between 8888 and 0565 */
|
|
|
|
static force_inline uint16_t
|
|
convert_8888_to_0565 (uint32_t s)
|
|
{
|
|
/* The following code can be compiled into just 4 instructions on ARM */
|
|
uint32_t a, b;
|
|
a = (s >> 3) & 0x1F001F;
|
|
b = s & 0xFC00;
|
|
a |= a >> 5;
|
|
a |= b >> 5;
|
|
return (uint16_t)a;
|
|
}
|
|
|
|
static force_inline uint32_t
|
|
convert_0565_to_0888 (uint16_t s)
|
|
{
|
|
return (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) |
|
|
((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) |
|
|
((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)));
|
|
}
|
|
|
|
static force_inline uint32_t
|
|
convert_0565_to_8888 (uint16_t s)
|
|
{
|
|
return convert_0565_to_0888 (s) | 0xff000000;
|
|
}
|
|
|
|
/* Trivial versions that are useful in macros */
|
|
|
|
static force_inline uint32_t
|
|
convert_8888_to_8888 (uint32_t s)
|
|
{
|
|
return s;
|
|
}
|
|
|
|
static force_inline uint32_t
|
|
convert_x888_to_8888 (uint32_t s)
|
|
{
|
|
return s | 0xff000000;
|
|
}
|
|
|
|
static force_inline uint16_t
|
|
convert_0565_to_0565 (uint16_t s)
|
|
{
|
|
return 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 || \
|
|
PIXMAN_FORMAT_TYPE (f) == PIXMAN_TYPE_ARGB_SRGB)
|
|
|
|
#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
|
|
|
|
static force_inline uint32_t
|
|
unorm_to_unorm (uint32_t val, int from_bits, int to_bits)
|
|
{
|
|
uint32_t result;
|
|
|
|
if (from_bits == 0)
|
|
return 0;
|
|
|
|
/* Delete any extra bits */
|
|
val &= ((1 << from_bits) - 1);
|
|
|
|
if (from_bits >= to_bits)
|
|
return val >> (from_bits - to_bits);
|
|
|
|
/* Start out with the high bit of val in the high bit of result. */
|
|
result = val << (to_bits - from_bits);
|
|
|
|
/* Copy the bits in result, doubling the number of bits each time, until
|
|
* we fill all to_bits. Unrolled manually because from_bits and to_bits
|
|
* are usually known statically, so the compiler can turn all of this
|
|
* into a few shifts.
|
|
*/
|
|
#define REPLICATE() \
|
|
do \
|
|
{ \
|
|
if (from_bits < to_bits) \
|
|
{ \
|
|
result |= result >> from_bits; \
|
|
\
|
|
from_bits *= 2; \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
REPLICATE();
|
|
REPLICATE();
|
|
REPLICATE();
|
|
REPLICATE();
|
|
REPLICATE();
|
|
|
|
return result;
|
|
}
|
|
|
|
uint16_t pixman_float_to_unorm (float f, int n_bits);
|
|
float pixman_unorm_to_float (uint16_t u, int n_bits);
|
|
|
|
/*
|
|
* 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
|
|
|
|
void
|
|
_pixman_log_error (const char *function, const char *message);
|
|
|
|
#define return_if_fail(expr) \
|
|
do \
|
|
{ \
|
|
if (unlikely (!(expr))) \
|
|
{ \
|
|
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
|
|
return; \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
#define return_val_if_fail(expr, retval) \
|
|
do \
|
|
{ \
|
|
if (unlikely (!(expr))) \
|
|
{ \
|
|
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
|
|
return (retval); \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
#define critical_if_fail(expr) \
|
|
do \
|
|
{ \
|
|
if (unlikely (!(expr))) \
|
|
_pixman_log_error (FUNC, "The expression " # expr " was false"); \
|
|
} \
|
|
while (0)
|
|
|
|
/*
|
|
* Matrix
|
|
*/
|
|
|
|
typedef struct { pixman_fixed_48_16_t v[3]; } pixman_vector_48_16_t;
|
|
|
|
pixman_bool_t
|
|
pixman_transform_point_31_16 (const pixman_transform_t *t,
|
|
const pixman_vector_48_16_t *v,
|
|
pixman_vector_48_16_t *result);
|
|
|
|
void
|
|
pixman_transform_point_31_16_3d (const pixman_transform_t *t,
|
|
const pixman_vector_48_16_t *v,
|
|
pixman_vector_48_16_t *result);
|
|
|
|
void
|
|
pixman_transform_point_31_16_affine (const pixman_transform_t *t,
|
|
const pixman_vector_48_16_t *v,
|
|
pixman_vector_48_16_t *result);
|
|
|
|
/*
|
|
* Timers
|
|
*/
|
|
|
|
#ifdef PIXMAN_TIMERS
|
|
|
|
static inline uint64_t
|
|
oil_profile_stamp_rdtsc (void)
|
|
{
|
|
uint32_t hi, lo;
|
|
|
|
__asm__ __volatile__ ("rdtsc\n" : "=a" (lo), "=d" (hi));
|
|
|
|
return lo | (((uint64_t)hi) << 32);
|
|
}
|
|
|
|
#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; \
|
|
}
|
|
|
|
#else
|
|
|
|
#define TIMER_BEGIN(tname)
|
|
#define TIMER_END(tname)
|
|
|
|
#endif /* PIXMAN_TIMERS */
|
|
|
|
#endif /* __ASSEMBLER__ */
|
|
|
|
#endif /* PIXMAN_PRIVATE_H */
|