#ifndef PACKAGE # error config.h must be included before pixman-private.h #endif #ifndef PIXMAN_PRIVATE_H #define PIXMAN_PRIVATE_H #include "pixman.h" #include #include #include "pixman-compiler.h" /* * Images */ typedef struct image_common image_common_t; typedef struct source_image source_image_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, uint32_t mask_bits); 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 enum { SOURCE_IMAGE_CLASS_UNKNOWN, SOURCE_IMAGE_CLASS_HORIZONTAL, SOURCE_IMAGE_CLASS_VERTICAL, } source_image_class_t; typedef source_image_class_t (*classify_func_t) (pixman_image_t *image, int x, int y, int width, int height); 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; 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_bool_t need_workaround; 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; classify_func_t classify; property_changed_func_t property_changed; fetch_scanline_t get_scanline_32; fetch_scanline_t get_scanline_64; pixman_image_destroy_func_t destroy_func; void * destroy_data; }; struct source_image { image_common_t common; source_image_class_t class; }; struct solid_fill { source_image_t common; uint32_t color; /* FIXME: shouldn't this be a pixman_color_t? */ }; struct gradient { source_image_t common; int n_stops; pixman_gradient_stop_t *stops; int stop_range; uint32_t * color_table; int color_table_size; }; 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; double cdx; double cdy; double dr; double A; }; struct conical_gradient { gradient_t common; pixman_point_fixed_t center; pixman_fixed_t 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 a pixel, disregarding alpha maps, transformations etc. */ fetch_pixel_32_t fetch_pixel_raw_32; fetch_pixel_64_t fetch_pixel_raw_64; /* Fetch a pixel, taking alpha maps into account */ fetch_pixel_32_t fetch_pixel_32; fetch_pixel_64_t fetch_pixel_64; /* Fetch raw scanlines, with no regard for transformations, alpha maps etc. */ fetch_scanline_t fetch_scanline_raw_32; fetch_scanline_t fetch_scanline_raw_64; /* Store scanlines with no regard for alpha maps */ store_scanline_t store_scanline_raw_32; store_scanline_t store_scanline_raw_64; /* Store a scanline, taking alpha maps into account */ store_scanline_t store_scanline_32; 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; source_image_t source; gradient_t gradient; linear_gradient_t linear; conical_gradient_t conical; radial_gradient_t radial; solid_fill_t solid; }; void _pixman_bits_image_setup_raw_accessors (bits_image_t *image); void _pixman_image_get_scanline_generic_64 (pixman_image_t *image, int x, int y, int width, uint32_t * buffer, const uint32_t *mask, uint32_t mask_bits); source_image_class_t _pixman_image_classify (pixman_image_t *image, int x, int y, int width, int height); void _pixman_image_get_scanline_32 (pixman_image_t *image, int x, int y, int width, uint32_t * buffer, const uint32_t *mask, uint32_t mask_bits); /* Even thought the type of buffer is uint32_t *, the function actually expects * a uint64_t *buffer. */ void _pixman_image_get_scanline_64 (pixman_image_t *image, int x, int y, int width, uint32_t * buffer, const uint32_t *unused, uint32_t unused2); void _pixman_image_store_scanline_32 (bits_image_t * image, int x, int y, int width, const uint32_t *buffer); void _pixman_image_fetch_pixels (bits_image_t *image, uint32_t * buffer, int n_pixels); /* Even though the type of buffer is uint32_t *, the function * actually expects a uint64_t *buffer. */ void _pixman_image_store_scanline_64 (bits_image_t * image, int x, int y, int width, const uint32_t *buffer); 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); pixman_bool_t _pixman_image_is_opaque (pixman_image_t *image); pixman_bool_t _pixman_image_is_solid (pixman_image_t *image); uint32_t _pixman_image_get_solid (pixman_image_t * image, pixman_format_code_t format); #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; int32_t left_x; int32_t right_x; int32_t stepper; pixman_gradient_stop_t *stops; int num_stops; unsigned int spread; int need_reset; } pixman_gradient_walker_t; void _pixman_gradient_walker_init (pixman_gradient_walker_t *walker, gradient_t * gradient, unsigned int spread); void _pixman_gradient_walker_reset (pixman_gradient_walker_t *walker, pixman_fixed_32_32_t pos); uint32_t _pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker, pixman_fixed_32_32_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_SMALL (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_SMALL (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 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_op_t op, pixman_image_t * src, pixman_image_t * mask, pixman_image_t * dest, 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); 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 dst_x, int dst_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); void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp); void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp); struct pixman_implementation_t { pixman_implementation_t *toplevel; pixman_implementation_t *delegate; pixman_composite_func_t composite; pixman_blt_func_t blt; pixman_fill_func_t fill; pixman_combine_32_func_t combine_32[PIXMAN_OP_LAST]; pixman_combine_32_func_t combine_32_ca[PIXMAN_OP_LAST]; pixman_combine_64_func_t combine_64[PIXMAN_OP_LAST]; pixman_combine_64_func_t combine_64_ca[PIXMAN_OP_LAST]; }; pixman_implementation_t * _pixman_implementation_create (pixman_implementation_t *delegate); void _pixman_implementation_combine_32 (pixman_implementation_t *imp, pixman_op_t op, uint32_t * dest, const uint32_t * src, const uint32_t * mask, int width); void _pixman_implementation_combine_64 (pixman_implementation_t *imp, pixman_op_t op, uint64_t * dest, const uint64_t * src, const uint64_t * mask, int width); void _pixman_implementation_combine_32_ca (pixman_implementation_t *imp, pixman_op_t op, uint32_t * dest, const uint32_t * src, const uint32_t * mask, int width); void _pixman_implementation_combine_64_ca (pixman_implementation_t *imp, pixman_op_t op, uint64_t * dest, const uint64_t * src, const uint64_t * mask, int width); void _pixman_implementation_composite (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src, pixman_image_t * mask, pixman_image_t * dest, 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); 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 dst_x, int dst_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); /* Specific implementations */ pixman_implementation_t * _pixman_implementation_create_general (void); pixman_implementation_t * _pixman_implementation_create_fast_path (void); #ifdef USE_MMX pixman_implementation_t * _pixman_implementation_create_mmx (void); #endif #ifdef USE_SSE2 pixman_implementation_t * _pixman_implementation_create_sse2 (void); #endif #ifdef USE_ARM_SIMD pixman_implementation_t * _pixman_implementation_create_arm_simd (void); #endif #ifdef USE_ARM_NEON pixman_implementation_t * _pixman_implementation_create_arm_neon (void); #endif #ifdef USE_VMX pixman_implementation_t * _pixman_implementation_create_vmx (void); #endif pixman_implementation_t * _pixman_choose_implementation (void); /* * Utilities */ /* These "formats" both 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 NEED_COMPONENT_ALPHA (1 << 0) #define NEED_PIXBUF (1 << 1) #define NEED_SOLID_MASK (1 << 2) typedef struct { pixman_op_t op; pixman_format_code_t src_format; pixman_format_code_t mask_format; pixman_format_code_t dest_format; pixman_composite_func_t func; uint32_t flags; } pixman_fast_path_t; /* 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_int (unsigned int a, unsigned int b); pixman_bool_t pixman_addition_overflows_int (unsigned int a, unsigned int b); /* Compositing utilities */ pixman_bool_t _pixman_run_fast_path (const pixman_fast_path_t *paths, pixman_implementation_t * imp, pixman_op_t op, pixman_image_t * src, pixman_image_t * mask, pixman_image_t * dest, 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); void _pixman_walk_composite_region (pixman_implementation_t *imp, pixman_op_t op, pixman_image_t * src_image, pixman_image_t * mask_image, pixman_image_t * dst_image, int16_t src_x, int16_t src_y, int16_t mask_x, int16_t mask_y, int16_t dest_x, int16_t dest_y, uint16_t width, uint16_t height, pixman_composite_func_t composite_rect); 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); /* 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 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) /* * Various debugging code */ #undef DEBUG #define DEBUG 0 #if DEBUG #define return_if_fail(expr) \ do \ { \ if (!(expr)) \ { \ fprintf (stderr, "In %s: %s failed\n", FUNC, # expr); \ return; \ } \ } \ while (0) #define return_val_if_fail(expr, retval) \ do \ { \ if (!(expr)) \ { \ fprintf (stderr, "In %s: %s failed\n", FUNC, # expr); \ return (retval); \ } \ } \ while (0) #else #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) #endif /* * Timers */ #ifdef PIXMAN_TIMERS static inline uint64_t oil_profile_stamp_rdtsc (void) { uint64_t ts; __asm__ __volatile__ ("rdtsc\n" : "=A" (ts)); return ts; } #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 */