| #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 <time.h> |
| #include <assert.h> |
| |
| #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 */ |
