| #ifndef PACKAGE |
| # error config.h must be included before pixman-private.h |
| #endif |
| |
| #ifndef PIXMAN_PRIVATE_H |
| #define PIXMAN_PRIVATE_H |
| |
| #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 "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 void (*fetch_scanline_t) (pixman_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 uint64_t (*fetch_pixel_64_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; |
| uint64_t color_64; |
| }; |
| |
| 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 get_scanline_32; |
| fetch_scanline_t get_scanline_64; |
| |
| fetch_scanline_t fetch_scanline_32; |
| fetch_pixel_32_t fetch_pixel_32; |
| store_scanline_t store_scanline_32; |
| |
| fetch_scanline_t fetch_scanline_64; |
| fetch_pixel_64_t fetch_pixel_64; |
| store_scanline_t store_scanline_64; |
| |
| /* 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 enum |
| { |
| ITER_NARROW = (1 << 0), |
| |
| /* "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; |
| |
| 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 flags; |
| |
| /* These function pointers are initialized by the implementation */ |
| pixman_iter_get_scanline_t get_scanline; |
| pixman_iter_write_back_t write_back; |
| |
| /* These fields are scratch data that implementations can use */ |
| uint8_t * bits; |
| int stride; |
| }; |
| |
| 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_solid_fill_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 |
| _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 |
| { |
| uint32_t left_ag; |
| uint32_t left_rb; |
| uint32_t right_ag; |
| uint32_t right_rb; |
| pixman_fixed_t left_x; |
| pixman_fixed_t right_x; |
| pixman_fixed_t stepper; |
| |
| 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_64_func_t) (pixman_implementation_t *imp, |
| pixman_op_t op, |
| uint64_t * dest, |
| const uint64_t * src, |
| const uint64_t * mask, |
| int width); |
| |
| 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 xor); |
| typedef void (*pixman_iter_init_func_t) (pixman_implementation_t *imp, |
| pixman_iter_t *iter); |
| |
| void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp); |
| void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp); |
| |
| typedef struct |
| { |
| pixman_op_t op; |
| pixman_format_code_t src_format; |
| uint32_t src_flags; |
| pixman_format_code_t mask_format; |
| uint32_t mask_flags; |
| pixman_format_code_t dest_format; |
| uint32_t dest_flags; |
| pixman_composite_func_t func; |
| } pixman_fast_path_t; |
| |
| struct pixman_implementation_t |
| { |
| pixman_implementation_t * toplevel; |
| pixman_implementation_t * delegate; |
| const pixman_fast_path_t * fast_paths; |
| |
| pixman_blt_func_t blt; |
| pixman_fill_func_t fill; |
| pixman_iter_init_func_t src_iter_init; |
| pixman_iter_init_func_t dest_iter_init; |
| |
| pixman_combine_32_func_t combine_32[PIXMAN_N_OPERATORS]; |
| pixman_combine_32_func_t combine_32_ca[PIXMAN_N_OPERATORS]; |
| pixman_combine_64_func_t combine_64[PIXMAN_N_OPERATORS]; |
| pixman_combine_64_func_t combine_64_ca[PIXMAN_N_OPERATORS]; |
| }; |
| |
| 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 *delegate, |
| const pixman_fast_path_t *fast_paths); |
| |
| 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 xor); |
| |
| void |
| _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); |
| |
| void |
| _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); |
| |
| /* Specific implementations */ |
| pixman_implementation_t * |
| _pixman_implementation_create_general (void); |
| |
| pixman_implementation_t * |
| _pixman_implementation_create_fast_path (pixman_implementation_t *fallback); |
| |
| pixman_implementation_t * |
| _pixman_implementation_create_noop (pixman_implementation_t *fallback); |
| |
| #if defined USE_X86_MMX || defined USE_ARM_IWMMXT || defined USE_LOONGSON_MMI |
| pixman_implementation_t * |
| _pixman_implementation_create_mmx (pixman_implementation_t *fallback); |
| #endif |
| |
| #ifdef USE_SSE2 |
| pixman_implementation_t * |
| _pixman_implementation_create_sse2 (pixman_implementation_t *fallback); |
| #endif |
| |
| #ifdef USE_ARM_SIMD |
| pixman_implementation_t * |
| _pixman_implementation_create_arm_simd (pixman_implementation_t *fallback); |
| #endif |
| |
| #ifdef USE_ARM_NEON |
| pixman_implementation_t * |
| _pixman_implementation_create_arm_neon (pixman_implementation_t *fallback); |
| #endif |
| |
| #ifdef USE_MIPS_DSPR2 |
| pixman_implementation_t * |
| _pixman_implementation_create_mips_dspr2 (pixman_implementation_t *fallback); |
| #endif |
| |
| #ifdef USE_VMX |
| pixman_implementation_t * |
| _pixman_implementation_create_vmx (pixman_implementation_t *fallback); |
| #endif |
| |
| pixman_implementation_t * |
| _pixman_choose_implementation (void); |
| |
| |
| |
| /* |
| * Utilities |
| */ |
| uint32_t * |
| _pixman_iter_get_scanline_noop (pixman_iter_t *iter, const uint32_t *mask); |
| |
| /* These "formats" all have depth 0, so they |
| * will never clash with any real ones |
| */ |
| #define PIXMAN_null PIXMAN_FORMAT (0, 0, 0, 0, 0, 0) |
| #define PIXMAN_solid PIXMAN_FORMAT (0, 1, 0, 0, 0, 0) |
| #define PIXMAN_pixbuf PIXMAN_FORMAT (0, 2, 0, 0, 0, 0) |
| #define PIXMAN_rpixbuf PIXMAN_FORMAT (0, 3, 0, 0, 0, 0) |
| #define PIXMAN_unknown PIXMAN_FORMAT (0, 4, 0, 0, 0, 0) |
| #define PIXMAN_any PIXMAN_FORMAT (0, 5, 0, 0, 0, 0) |
| |
| #define PIXMAN_OP_any (PIXMAN_N_OPERATORS + 1) |
| |
| #define FAST_PATH_ID_TRANSFORM (1 << 0) |
| #define FAST_PATH_NO_ALPHA_MAP (1 << 1) |
| #define FAST_PATH_NO_CONVOLUTION_FILTER (1 << 2) |
| #define FAST_PATH_NO_PAD_REPEAT (1 << 3) |
| #define FAST_PATH_NO_REFLECT_REPEAT (1 << 4) |
| #define FAST_PATH_NO_ACCESSORS (1 << 5) |
| #define FAST_PATH_NARROW_FORMAT (1 << 6) |
| #define FAST_PATH_COMPONENT_ALPHA (1 << 8) |
| #define FAST_PATH_SAMPLES_OPAQUE (1 << 7) |
| #define FAST_PATH_UNIFIED_ALPHA (1 << 9) |
| #define FAST_PATH_SCALE_TRANSFORM (1 << 10) |
| #define FAST_PATH_NEAREST_FILTER (1 << 11) |
| #define FAST_PATH_HAS_TRANSFORM (1 << 12) |
| #define FAST_PATH_IS_OPAQUE (1 << 13) |
| #define FAST_PATH_NO_NORMAL_REPEAT (1 << 14) |
| #define FAST_PATH_NO_NONE_REPEAT (1 << 15) |
| #define FAST_PATH_X_UNIT_POSITIVE (1 << 16) |
| #define FAST_PATH_AFFINE_TRANSFORM (1 << 17) |
| #define FAST_PATH_Y_UNIT_ZERO (1 << 18) |
| #define FAST_PATH_BILINEAR_FILTER (1 << 19) |
| #define FAST_PATH_ROTATE_90_TRANSFORM (1 << 20) |
| #define FAST_PATH_ROTATE_180_TRANSFORM (1 << 21) |
| #define FAST_PATH_ROTATE_270_TRANSFORM (1 << 22) |
| #define FAST_PATH_SAMPLES_COVER_CLIP_NEAREST (1 << 23) |
| #define FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR (1 << 24) |
| #define FAST_PATH_BITS_IMAGE (1 << 25) |
| |
| #define FAST_PATH_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) } |
| |
| /* 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 (uint64_t * dst, |
| const uint32_t * src, |
| pixman_format_code_t format, |
| int width); |
| |
| void |
| pixman_contract (uint32_t * dst, |
| const uint64_t *src, |
| int width); |
| |
| pixman_bool_t |
| _pixman_lookup_composite_function (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); |
| |
| /* Region Helpers */ |
| pixman_bool_t |
| pixman_region32_copy_from_region16 (pixman_region32_t *dst, |
| pixman_region16_t *src); |
| |
| pixman_bool_t |
| pixman_region16_copy_from_region32 (pixman_region16_t *dst, |
| pixman_region32_t *src); |
| |
| |
| /* Misc macros */ |
| |
| #ifndef FALSE |
| # define FALSE 0 |
| #endif |
| |
| #ifndef TRUE |
| # define TRUE 1 |
| #endif |
| |
| #ifndef MIN |
| # define MIN(a, b) ((a < b) ? a : b) |
| #endif |
| |
| #ifndef MAX |
| # define MAX(a, b) ((a > b) ? a : b) |
| #endif |
| |
| /* Integer division that rounds towards -infinity */ |
| #define DIV(a, b) \ |
| ((((a) < 0) == ((b) < 0)) ? (a) / (b) : \ |
| ((a) - (b) + 1 - (((b) < 0) << 1)) / (b)) |
| |
| /* Modulus that produces the remainder wrt. DIV */ |
| #define MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b)) |
| |
| #define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v))) |
| |
| /* Conversion between 8888 and 0565 */ |
| |
| #define CONVERT_8888_TO_0565(s) \ |
| ((((s) >> 3) & 0x001f) | \ |
| (((s) >> 5) & 0x07e0) | \ |
| (((s) >> 8) & 0xf800)) |
| |
| #define CONVERT_0565_TO_0888(s) \ |
| (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \ |
| ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \ |
| ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000))) |
| |
| #define CONVERT_0565_TO_8888(s) (CONVERT_0565_TO_0888(s) | 0xff000000) |
| |
| /* Trivial versions that are useful in macros */ |
| #define CONVERT_8888_TO_8888(s) (s) |
| #define CONVERT_x888_TO_8888(s) ((s) | 0xff000000) |
| #define CONVERT_0565_TO_0565(s) (s) |
| |
| #define PIXMAN_FORMAT_IS_WIDE(f) \ |
| (PIXMAN_FORMAT_A (f) > 8 || \ |
| PIXMAN_FORMAT_R (f) > 8 || \ |
| PIXMAN_FORMAT_G (f) > 8 || \ |
| PIXMAN_FORMAT_B (f) > 8) |
| |
| #ifdef WORDS_BIGENDIAN |
| # define SCREEN_SHIFT_LEFT(x,n) ((x) << (n)) |
| # define SCREEN_SHIFT_RIGHT(x,n) ((x) >> (n)) |
| #else |
| # define SCREEN_SHIFT_LEFT(x,n) ((x) >> (n)) |
| # define SCREEN_SHIFT_RIGHT(x,n) ((x) << (n)) |
| #endif |
| |
| 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; |
| } |
| |
| /* |
| * Various debugging code |
| */ |
| |
| #undef DEBUG |
| |
| #define COMPILE_TIME_ASSERT(x) \ |
| do { typedef int compile_time_assertion [(x)?1:-1]; } while (0) |
| |
| /* Turn on debugging depending on what type of release this is |
| */ |
| #if (((PIXMAN_VERSION_MICRO % 2) == 0) && ((PIXMAN_VERSION_MINOR % 2) == 1)) |
| |
| /* Debugging gets turned on for development releases because these |
| * are the things that end up in bleeding edge distributions such |
| * as Rawhide etc. |
| * |
| * For performance reasons we don't turn it on for stable releases or |
| * random git checkouts. (Random git checkouts are often used for |
| * performance work). |
| */ |
| |
| # define DEBUG |
| |
| #endif |
| |
| #ifdef DEBUG |
| |
| void |
| _pixman_log_error (const char *function, const char *message); |
| |
| #define return_if_fail(expr) \ |
| do \ |
| { \ |
| if (!(expr)) \ |
| { \ |
| _pixman_log_error (FUNC, "The expression " # expr " was false"); \ |
| return; \ |
| } \ |
| } \ |
| while (0) |
| |
| #define return_val_if_fail(expr, retval) \ |
| do \ |
| { \ |
| if (!(expr)) \ |
| { \ |
| _pixman_log_error (FUNC, "The expression " # expr " was false"); \ |
| return (retval); \ |
| } \ |
| } \ |
| while (0) |
| |
| #define critical_if_fail(expr) \ |
| do \ |
| { \ |
| if (!(expr)) \ |
| _pixman_log_error (FUNC, "The expression " # expr " was false"); \ |
| } \ |
| while (0) |
| |
| |
| #else |
| |
| #define _pixman_log_error(f,m) do { } while (0) \ |
| |
| #define return_if_fail(expr) \ |
| do \ |
| { \ |
| if (!(expr)) \ |
| return; \ |
| } \ |
| while (0) |
| |
| #define return_val_if_fail(expr, retval) \ |
| do \ |
| { \ |
| if (!(expr)) \ |
| return (retval); \ |
| } \ |
| while (0) |
| |
| #define critical_if_fail(expr) \ |
| do \ |
| { \ |
| } \ |
| while (0) |
| #endif |
| |
| /* |
| * Timers |
| */ |
| |
| #ifdef PIXMAN_TIMERS |
| |
| static inline uint64_t |
| oil_profile_stamp_rdtsc (void) |
| { |
| 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; \ |
| } |
| |
| #endif /* PIXMAN_TIMERS */ |
| |
| #endif /* PIXMAN_PRIVATE_H */ |