diff options
Diffstat (limited to 'libs/pixman-0.40.0/pixman/pixman-private.h')
| -rw-r--r-- | libs/pixman-0.40.0/pixman/pixman-private.h | 1188 |
1 files changed, 0 insertions, 1188 deletions
diff --git a/libs/pixman-0.40.0/pixman/pixman-private.h b/libs/pixman-0.40.0/pixman/pixman-private.h deleted file mode 100644 index d836cc5..0000000 --- a/libs/pixman-0.40.0/pixman/pixman-private.h +++ /dev/null @@ -1,1188 +0,0 @@ -#ifndef PIXMAN_PRIVATE_H -#define PIXMAN_PRIVATE_H - -/* - * The defines which are shared between C and assembly code - */ - -/* bilinear interpolation precision (must be < 8) */ -#define BILINEAR_INTERPOLATION_BITS 7 -#define BILINEAR_INTERPOLATION_RANGE (1 << BILINEAR_INTERPOLATION_BITS) - -/* - * C specific part - */ - -#ifndef __ASSEMBLER__ - -#ifndef PACKAGE -# error config.h must be included before pixman-private.h -#endif - -#define PIXMAN_DISABLE_DEPRECATED -#define PIXMAN_USE_INTERNAL_API - -#include "pixman.h" -#include <time.h> -#include <assert.h> -#include <stdio.h> -#include <string.h> -#include <stddef.h> -#include <float.h> - -#include "pixman-compiler.h" - -/* - * 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; - -typedef struct argb_t argb_t; - -struct argb_t -{ - float a; - float r; - float g; - float b; -}; - -typedef void (*fetch_scanline_t) (bits_image_t *image, - int x, - int y, - int width, - uint32_t *buffer, - const uint32_t *mask); - -typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image, - int x, - int y); - -typedef argb_t (*fetch_pixel_float_t) (bits_image_t *image, - int x, - int y); - -typedef void (*store_scanline_t) (bits_image_t * image, - int x, - int y, - int width, - const uint32_t *values); - -typedef enum -{ - BITS, - LINEAR, - CONICAL, - RADIAL, - SOLID -} image_type_t; - -typedef void (*property_changed_func_t) (pixman_image_t *image); - -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; - - pixman_image_destroy_func_t destroy_func; - void * destroy_data; - - uint32_t flags; - pixman_format_code_t extended_format_code; -}; - -struct solid_fill -{ - image_common_t common; - pixman_color_t color; - - uint32_t color_32; - argb_t color_float; -}; - -struct gradient -{ - image_common_t common; - int n_stops; - pixman_gradient_stop_t *stops; -}; - -struct linear_gradient -{ - gradient_t common; - pixman_point_fixed_t p1; - pixman_point_fixed_t p2; -}; - -struct circle -{ - pixman_fixed_t x; - pixman_fixed_t y; - pixman_fixed_t radius; -}; - -struct radial_gradient -{ - gradient_t common; - - circle_t c1; - circle_t c2; - - circle_t delta; - double a; - double inva; - double mindr; -}; - -struct conical_gradient -{ - gradient_t common; - pixman_point_fixed_t center; - double angle; -}; - -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 */ - - pixman_dither_t dither; - uint32_t dither_offset_y; - uint32_t dither_offset_x; - - fetch_scanline_t fetch_scanline_32; - fetch_pixel_32_t fetch_pixel_32; - store_scanline_t store_scanline_32; - - fetch_scanline_t fetch_scanline_float; - fetch_pixel_float_t fetch_pixel_float; - store_scanline_t store_scanline_float; - - /* Used for indirect access to the bits */ - pixman_read_memory_func_t read_func; - pixman_write_memory_func_t write_func; -}; - -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; -}; - -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); -typedef void (* pixman_iter_fini_t) (pixman_iter_t *iter); - -typedef enum -{ - ITER_NARROW = (1 << 0), - ITER_WIDE = (1 << 1), - - /* "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 << 2), - ITER_IGNORE_ALPHA = (1 << 3), - ITER_IGNORE_RGB = (1 << 4), - - /* These indicate whether the iterator is for a source - * or a destination image - */ - ITER_SRC = (1 << 5), - ITER_DEST = (1 << 6) -} iter_flags_t; - -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; - - /* These function pointers are initialized by the implementation */ - pixman_iter_get_scanline_t get_scanline; - pixman_iter_write_back_t write_back; - pixman_iter_fini_t fini; - - /* These fields are scratch data that implementations can use */ - void * data; - uint8_t * bits; - int stride; -}; - -typedef struct pixman_iter_info_t pixman_iter_info_t; -typedef void (* pixman_iter_initializer_t) (pixman_iter_t *iter, - const pixman_iter_info_t *info); -struct pixman_iter_info_t -{ - pixman_format_code_t format; - uint32_t image_flags; - iter_flags_t iter_flags; - pixman_iter_initializer_t initializer; - pixman_iter_get_scanline_t get_scanline; - pixman_iter_write_back_t write_back; -}; - -void -_pixman_bits_image_setup_accessors (bits_image_t *image); - -void -_pixman_bits_image_src_iter_init (pixman_image_t *image, pixman_iter_t *iter); - -void -_pixman_bits_image_dest_iter_init (pixman_image_t *image, pixman_iter_t *iter); - -void -_pixman_linear_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter); - -void -_pixman_radial_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter); - -void -_pixman_conical_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter); - -void -_pixman_image_init (pixman_image_t *image); - -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); - -pixman_image_t * -_pixman_image_allocate (void); - -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); - -void -_pixman_image_validate (pixman_image_t *image); - -#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) - -/* - * 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_48_16_t left_x; - pixman_fixed_48_16_t right_x; - - pixman_gradient_stop_t *stops; - int num_stops; - pixman_repeat_t repeat; - - pixman_bool_t need_reset; -} pixman_gradient_walker_t; - -void -_pixman_gradient_walker_init (pixman_gradient_walker_t *walker, - gradient_t * gradient, - pixman_repeat_t repeat); - -void -_pixman_gradient_walker_reset (pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t pos); - -typedef void (*pixman_gradient_walker_write_t) ( - pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t x, - uint32_t *buffer); - -void -_pixman_gradient_walker_write_narrow(pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t x, - uint32_t *buffer); - -void -_pixman_gradient_walker_write_wide(pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t x, - uint32_t *buffer); - -typedef void (*pixman_gradient_walker_fill_t) ( - pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t x, - uint32_t *buffer, - uint32_t *end); - -void -_pixman_gradient_walker_fill_narrow(pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t x, - uint32_t *buffer, - uint32_t *end); - -void -_pixman_gradient_walker_fill_wide(pixman_gradient_walker_t *walker, - pixman_fixed_48_16_t x, - uint32_t *buffer, - uint32_t *end); - -/* - * Edges - */ - -#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) - -#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)) - -#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)) - -#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)) - -#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)) - -#define RENDER_SAMPLES_X(x, n) \ - ((n) == 1? 0 : (pixman_fixed_frac (x) + \ - X_FRAC_FIRST (n)) / STEP_X_SMALL (n)) - -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); - -/* - * Implementations - */ -typedef struct pixman_implementation_t pixman_implementation_t; - -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; - - uint32_t src_flags; - uint32_t mask_flags; - uint32_t dest_flags; -} pixman_composite_info_t; - -#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 - -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); - -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); - -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); - -void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp); -void _pixman_setup_combiner_functions_float (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 * fallback; - const pixman_fast_path_t * fast_paths; - const pixman_iter_info_t * iter_info; - - 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_float_func_t combine_float[PIXMAN_N_OPERATORS]; - pixman_combine_float_func_t combine_float_ca[PIXMAN_N_OPERATORS]; -}; - -uint32_t -_pixman_image_get_solid (pixman_implementation_t *imp, - pixman_image_t * image, - pixman_format_code_t format); - -pixman_implementation_t * -_pixman_implementation_create (pixman_implementation_t *fallback, - const pixman_fast_path_t *fast_paths); - -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); - -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); - -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); - -void -_pixman_implementation_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_SSSE3 -pixman_implementation_t * -_pixman_implementation_create_ssse3 (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); - -void -_pixman_iter_init_bits_stride (pixman_iter_t *iter, const pixman_iter_info_t *info); - -/* 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); - -void * -pixman_malloc_ab_plus_c (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_EXPORT -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); - -PIXMAN_EXPORT -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); - -PIXMAN_EXPORT -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 */ |