0,0 → 1,1135 |
#include <float.h> |
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#ifndef PIXMAN_PRIVATE_H |
#define PIXMAN_PRIVATE_H |
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/* |
* The defines which are shared between C and assembly code |
*/ |
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/* bilinear interpolation precision (must be <= 8) */ |
#define BILINEAR_INTERPOLATION_BITS 7 |
#define BILINEAR_INTERPOLATION_RANGE (1 << BILINEAR_INTERPOLATION_BITS) |
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/* |
* C specific part |
*/ |
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#ifndef __ASSEMBLER__ |
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#ifndef PACKAGE |
# error config.h must be included before pixman-private.h |
#endif |
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#define PIXMAN_DISABLE_DEPRECATED |
#define PIXMAN_USE_INTERNAL_API |
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#include "pixman.h" |
#include <time.h> |
#include <assert.h> |
#include <stdio.h> |
#include <string.h> |
#include <stddef.h> |
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#include "pixman-compiler.h" |
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/* |
* Images |
*/ |
typedef struct image_common image_common_t; |
typedef struct solid_fill solid_fill_t; |
typedef struct gradient gradient_t; |
typedef struct linear_gradient linear_gradient_t; |
typedef struct horizontal_gradient horizontal_gradient_t; |
typedef struct vertical_gradient vertical_gradient_t; |
typedef struct conical_gradient conical_gradient_t; |
typedef struct radial_gradient radial_gradient_t; |
typedef struct bits_image bits_image_t; |
typedef struct circle circle_t; |
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typedef struct argb_t argb_t; |
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struct argb_t |
{ |
float a; |
float r; |
float g; |
float b; |
}; |
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typedef void (*fetch_scanline_t) (pixman_image_t *image, |
int x, |
int y, |
int width, |
uint32_t *buffer, |
const uint32_t *mask); |
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typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image, |
int x, |
int y); |
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typedef argb_t (*fetch_pixel_float_t) (bits_image_t *image, |
int x, |
int y); |
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typedef void (*store_scanline_t) (bits_image_t * image, |
int x, |
int y, |
int width, |
const uint32_t *values); |
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typedef enum |
{ |
BITS, |
LINEAR, |
CONICAL, |
RADIAL, |
SOLID |
} image_type_t; |
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typedef void (*property_changed_func_t) (pixman_image_t *image); |
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struct image_common |
{ |
image_type_t type; |
int32_t ref_count; |
pixman_region32_t clip_region; |
int32_t alpha_count; /* How many times this image is being used as an alpha map */ |
pixman_bool_t have_clip_region; /* FALSE if there is no clip */ |
pixman_bool_t client_clip; /* Whether the source clip was |
set by a client */ |
pixman_bool_t clip_sources; /* Whether the clip applies when |
* the image is used as a source |
*/ |
pixman_bool_t dirty; |
pixman_transform_t * transform; |
pixman_repeat_t repeat; |
pixman_filter_t filter; |
pixman_fixed_t * filter_params; |
int n_filter_params; |
bits_image_t * alpha_map; |
int alpha_origin_x; |
int alpha_origin_y; |
pixman_bool_t component_alpha; |
property_changed_func_t property_changed; |
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pixman_image_destroy_func_t destroy_func; |
void * destroy_data; |
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uint32_t flags; |
pixman_format_code_t extended_format_code; |
}; |
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struct solid_fill |
{ |
image_common_t common; |
pixman_color_t color; |
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uint32_t color_32; |
argb_t color_float; |
}; |
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struct gradient |
{ |
image_common_t common; |
int n_stops; |
pixman_gradient_stop_t *stops; |
}; |
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struct linear_gradient |
{ |
gradient_t common; |
pixman_point_fixed_t p1; |
pixman_point_fixed_t p2; |
}; |
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struct circle |
{ |
pixman_fixed_t x; |
pixman_fixed_t y; |
pixman_fixed_t radius; |
}; |
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struct radial_gradient |
{ |
gradient_t common; |
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circle_t c1; |
circle_t c2; |
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circle_t delta; |
double a; |
double inva; |
double mindr; |
}; |
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struct conical_gradient |
{ |
gradient_t common; |
pixman_point_fixed_t center; |
double angle; |
}; |
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struct bits_image |
{ |
image_common_t common; |
pixman_format_code_t format; |
const pixman_indexed_t * indexed; |
int width; |
int height; |
uint32_t * bits; |
uint32_t * free_me; |
int rowstride; /* in number of uint32_t's */ |
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fetch_scanline_t fetch_scanline_32; |
fetch_pixel_32_t fetch_pixel_32; |
store_scanline_t store_scanline_32; |
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fetch_scanline_t fetch_scanline_float; |
fetch_pixel_float_t fetch_pixel_float; |
store_scanline_t store_scanline_float; |
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/* Used for indirect access to the bits */ |
pixman_read_memory_func_t read_func; |
pixman_write_memory_func_t write_func; |
}; |
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union pixman_image |
{ |
image_type_t type; |
image_common_t common; |
bits_image_t bits; |
gradient_t gradient; |
linear_gradient_t linear; |
conical_gradient_t conical; |
radial_gradient_t radial; |
solid_fill_t solid; |
}; |
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typedef struct pixman_iter_t pixman_iter_t; |
typedef uint32_t *(* pixman_iter_get_scanline_t) (pixman_iter_t *iter, const uint32_t *mask); |
typedef void (* pixman_iter_write_back_t) (pixman_iter_t *iter); |
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typedef enum |
{ |
ITER_NARROW = (1 << 0), |
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/* "Localized alpha" is when the alpha channel is used only to compute |
* the alpha value of the destination. This means that the computation |
* of the RGB values of the result is independent of the alpha value. |
* |
* For example, the OVER operator has localized alpha for the |
* destination, because the RGB values of the result can be computed |
* without knowing the destination alpha. Similarly, ADD has localized |
* alpha for both source and destination because the RGB values of the |
* result can be computed without knowing the alpha value of source or |
* destination. |
* |
* When he destination is xRGB, this is useful knowledge, because then |
* we can treat it as if it were ARGB, which means in some cases we can |
* avoid copying it to a temporary buffer. |
*/ |
ITER_LOCALIZED_ALPHA = (1 << 1), |
ITER_IGNORE_ALPHA = (1 << 2), |
ITER_IGNORE_RGB = (1 << 3) |
} iter_flags_t; |
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struct pixman_iter_t |
{ |
/* These are initialized by _pixman_implementation_{src,dest}_init */ |
pixman_image_t * image; |
uint32_t * buffer; |
int x, y; |
int width; |
int height; |
iter_flags_t iter_flags; |
uint32_t image_flags; |
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/* These function pointers are initialized by the implementation */ |
pixman_iter_get_scanline_t get_scanline; |
pixman_iter_write_back_t write_back; |
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/* These fields are scratch data that implementations can use */ |
void * data; |
uint8_t * bits; |
int stride; |
}; |
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void |
_pixman_bits_image_setup_accessors (bits_image_t *image); |
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void |
_pixman_bits_image_src_iter_init (pixman_image_t *image, pixman_iter_t *iter); |
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void |
_pixman_bits_image_dest_iter_init (pixman_image_t *image, pixman_iter_t *iter); |
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void |
_pixman_linear_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter); |
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void |
_pixman_radial_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter); |
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void |
_pixman_conical_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter); |
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void |
_pixman_image_init (pixman_image_t *image); |
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pixman_bool_t |
_pixman_bits_image_init (pixman_image_t * image, |
pixman_format_code_t format, |
int width, |
int height, |
uint32_t * bits, |
int rowstride, |
pixman_bool_t clear); |
pixman_bool_t |
_pixman_image_fini (pixman_image_t *image); |
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pixman_image_t * |
_pixman_image_allocate (void); |
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pixman_bool_t |
_pixman_init_gradient (gradient_t * gradient, |
const pixman_gradient_stop_t *stops, |
int n_stops); |
void |
_pixman_image_reset_clip_region (pixman_image_t *image); |
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void |
_pixman_image_validate (pixman_image_t *image); |
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#define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \ |
do \ |
{ \ |
uint32_t *__bits__; \ |
int __stride__; \ |
\ |
__bits__ = image->bits.bits; \ |
__stride__ = image->bits.rowstride; \ |
(out_stride) = \ |
__stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \ |
(line) = \ |
((type *) __bits__) + (out_stride) * (y) + (mul) * (x); \ |
} while (0) |
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/* |
* Gradient walker |
*/ |
typedef struct |
{ |
float a_s, a_b; |
float r_s, r_b; |
float g_s, g_b; |
float b_s, b_b; |
pixman_fixed_t left_x; |
pixman_fixed_t right_x; |
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pixman_gradient_stop_t *stops; |
int num_stops; |
pixman_repeat_t repeat; |
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pixman_bool_t need_reset; |
} pixman_gradient_walker_t; |
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void |
_pixman_gradient_walker_init (pixman_gradient_walker_t *walker, |
gradient_t * gradient, |
pixman_repeat_t repeat); |
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void |
_pixman_gradient_walker_reset (pixman_gradient_walker_t *walker, |
pixman_fixed_48_16_t pos); |
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uint32_t |
_pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker, |
pixman_fixed_48_16_t x); |
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/* |
* Edges |
*/ |
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#define MAX_ALPHA(n) ((1 << (n)) - 1) |
#define N_Y_FRAC(n) ((n) == 1 ? 1 : (1 << ((n) / 2)) - 1) |
#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)) |
#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) |
#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)) |
#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) |
#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) \ |
((n) == 1? 0 : (pixman_fixed_frac (x) + \ |
X_FRAC_FIRST (n)) / STEP_X_SMALL (n)) |
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void |
pixman_rasterize_edges_accessors (pixman_image_t *image, |
pixman_edge_t * l, |
pixman_edge_t * r, |
pixman_fixed_t t, |
pixman_fixed_t b); |
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/* |
* Implementations |
*/ |
typedef struct pixman_implementation_t pixman_implementation_t; |
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typedef struct |
{ |
pixman_op_t op; |
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; |
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uint32_t src_flags; |
uint32_t mask_flags; |
uint32_t dest_flags; |
} pixman_composite_info_t; |
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#define PIXMAN_COMPOSITE_ARGS(info) \ |
MAYBE_UNUSED pixman_op_t op = info->op; \ |
MAYBE_UNUSED pixman_image_t * src_image = info->src_image; \ |
MAYBE_UNUSED pixman_image_t * mask_image = info->mask_image; \ |
MAYBE_UNUSED pixman_image_t * dest_image = info->dest_image; \ |
MAYBE_UNUSED int32_t src_x = info->src_x; \ |
MAYBE_UNUSED int32_t src_y = info->src_y; \ |
MAYBE_UNUSED int32_t mask_x = info->mask_x; \ |
MAYBE_UNUSED int32_t mask_y = info->mask_y; \ |
MAYBE_UNUSED int32_t dest_x = info->dest_x; \ |
MAYBE_UNUSED int32_t dest_y = info->dest_y; \ |
MAYBE_UNUSED int32_t width = info->width; \ |
MAYBE_UNUSED int32_t height = info->height |
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typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp, |
pixman_op_t op, |
uint32_t * dest, |
const uint32_t * src, |
const uint32_t * mask, |
int width); |
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typedef void (*pixman_combine_float_func_t) (pixman_implementation_t *imp, |
pixman_op_t op, |
float * dest, |
const float * src, |
const float * mask, |
int n_pixels); |
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typedef void (*pixman_composite_func_t) (pixman_implementation_t *imp, |
pixman_composite_info_t *info); |
typedef pixman_bool_t (*pixman_blt_func_t) (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); |
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 filler); |
typedef pixman_bool_t (*pixman_iter_init_func_t) (pixman_implementation_t *imp, |
pixman_iter_t *iter); |
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void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp); |
void _pixman_setup_combiner_functions_float (pixman_implementation_t *imp); |
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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; |
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struct pixman_implementation_t |
{ |
pixman_implementation_t * toplevel; |
pixman_implementation_t * fallback; |
const pixman_fast_path_t * fast_paths; |
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pixman_blt_func_t blt; |
pixman_fill_func_t fill; |
pixman_iter_init_func_t src_iter_init; |
pixman_iter_init_func_t dest_iter_init; |
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pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS]; |
pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS]; |
pixman_combine_float_func_t combine_float[PIXMAN_N_OPERATORS]; |
pixman_combine_float_func_t combine_float_ca[PIXMAN_N_OPERATORS]; |
}; |
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uint32_t |
_pixman_image_get_solid (pixman_implementation_t *imp, |
pixman_image_t * image, |
pixman_format_code_t format); |
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pixman_implementation_t * |
_pixman_implementation_create (pixman_implementation_t *fallback, |
const pixman_fast_path_t *fast_paths); |
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void |
_pixman_implementation_lookup_composite (pixman_implementation_t *toplevel, |
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_implementation_t **out_imp, |
pixman_composite_func_t *out_func); |
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pixman_combine_32_func_t |
_pixman_implementation_lookup_combiner (pixman_implementation_t *imp, |
pixman_op_t op, |
pixman_bool_t component_alpha, |
pixman_bool_t wide); |
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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); |
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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); |
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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); |
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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); |
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/* Specific implementations */ |
pixman_implementation_t * |
_pixman_implementation_create_general (void); |
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pixman_implementation_t * |
_pixman_implementation_create_fast_path (pixman_implementation_t *fallback); |
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pixman_implementation_t * |
_pixman_implementation_create_noop (pixman_implementation_t *fallback); |
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#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 |
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#ifdef USE_SSE2 |
pixman_implementation_t * |
_pixman_implementation_create_sse2 (pixman_implementation_t *fallback); |
#endif |
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#ifdef USE_ARM_SIMD |
pixman_implementation_t * |
_pixman_implementation_create_arm_simd (pixman_implementation_t *fallback); |
#endif |
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#ifdef USE_ARM_NEON |
pixman_implementation_t * |
_pixman_implementation_create_arm_neon (pixman_implementation_t *fallback); |
#endif |
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#ifdef USE_MIPS_DSPR2 |
pixman_implementation_t * |
_pixman_implementation_create_mips_dspr2 (pixman_implementation_t *fallback); |
#endif |
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#ifdef USE_VMX |
pixman_implementation_t * |
_pixman_implementation_create_vmx (pixman_implementation_t *fallback); |
#endif |
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pixman_bool_t |
_pixman_implementation_disabled (const char *name); |
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pixman_implementation_t * |
_pixman_x86_get_implementations (pixman_implementation_t *imp); |
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pixman_implementation_t * |
_pixman_arm_get_implementations (pixman_implementation_t *imp); |
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pixman_implementation_t * |
_pixman_ppc_get_implementations (pixman_implementation_t *imp); |
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pixman_implementation_t * |
_pixman_mips_get_implementations (pixman_implementation_t *imp); |
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pixman_implementation_t * |
_pixman_choose_implementation (void); |
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pixman_bool_t |
_pixman_disabled (const char *name); |
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/* |
* 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); |
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/* 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) |
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#define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1) |
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#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) |
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#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 */ |