| #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 */ |
| |
| 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); |
| |
| uint32_t |
| _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker, |
| pixman_fixed_48_16_t x); |
| |
| /* |
| * 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_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 */ |
