#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 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 bits_image bits_image_t;
typedef struct circle circle_t;
-typedef void (*fetch_scanline_t) (pixman_image_t *pict,
+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);
+ const uint32_t *mask);
+
+typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image,
+ int x,
+ int y);
-typedef void (*fetch_pixels_t) (bits_image_t * image,
- uint32_t * buffer,
- int n_pixels);
+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,
{
SOURCE_IMAGE_CLASS_UNKNOWN,
SOURCE_IMAGE_CLASS_HORIZONTAL,
- SOURCE_IMAGE_CLASS_VERTICAL,
-} source_pict_class_t;
+} source_image_class_t;
-typedef source_pict_class_t (*classify_func_t) (pixman_image_t *image,
+typedef source_image_class_t (*classify_func_t) (pixman_image_t *image,
int x,
int y,
int width,
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 need_workaround;
+ pixman_bool_t dirty;
pixman_transform_t * transform;
pixman_repeat_t repeat;
pixman_filter_t filter;
int alpha_origin_x;
int alpha_origin_y;
pixman_bool_t component_alpha;
- pixman_read_memory_func_t read_func;
- pixman_write_memory_func_t write_func;
classify_func_t classify;
property_changed_func_t property_changed;
fetch_scanline_t get_scanline_32;
pixman_image_destroy_func_t destroy_func;
void * destroy_data;
-};
-struct source_image
-{
- image_common_t common;
- source_pict_class_t class;
+ uint32_t flags;
+ pixman_format_code_t extended_format_code;
};
struct solid_fill
{
- source_image_t common;
- uint32_t color; /* FIXME: shouldn't this be a pixman_color_t? */
+ image_common_t common;
+ pixman_color_t color;
+
+ uint32_t color_32;
+ uint64_t color_64;
};
struct gradient
{
- source_image_t common;
+ image_common_t common;
int n_stops;
pixman_gradient_stop_t *stops;
- int stop_range;
- uint32_t * color_table;
- int color_table_size;
};
struct linear_gradient
circle_t c1;
circle_t c2;
- double cdx;
- double cdy;
- double dr;
- double A;
+
+ circle_t delta;
+ double a;
+ double inva;
+ double mindr;
};
struct conical_gradient
{
gradient_t common;
pixman_point_fixed_t center;
- pixman_fixed_t angle;
+ double angle;
};
struct bits_image
uint32_t * free_me;
int rowstride; /* in number of uint32_t's */
- /* Fetch raw pixels, with no regard for transformations, alpha map etc. */
- fetch_pixels_t fetch_pixels_raw_32;
- fetch_pixels_t fetch_pixels_raw_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 */
+ 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 */
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;
solid_fill_t solid;
};
+typedef struct pixman_iter_t pixman_iter_t;
+typedef enum
+{
+ ITER_NARROW = (1 << 0),
+} iter_flags_t;
+
+struct pixman_iter_t
+{
+ uint32_t *(* get_scanline) (pixman_iter_t *iter, const uint32_t *mask);
+ void (* write_back) (pixman_iter_t *iter);
+
+ pixman_image_t * image;
+ uint32_t * buffer;
+ int x, y;
+ int width;
+};
+
+void
+_pixman_bits_image_setup_accessors (bits_image_t *image);
void
-_pixman_bits_image_setup_raw_accessors (bits_image_t *image);
+_pixman_bits_image_src_iter_init (pixman_image_t *image,
+ pixman_iter_t *iter,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags);
+void
+_pixman_bits_image_dest_iter_init (pixman_image_t *image,
+ pixman_iter_t *iter,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags);
+
+void
+_pixman_solid_fill_iter_init (pixman_image_t *image,
+ pixman_iter_t *iter,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags);
void
-_pixman_image_get_scanline_generic_64 (pixman_image_t *pict,
+_pixman_linear_gradient_iter_init (pixman_image_t *image,
+ pixman_iter_t *iter,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags);
+
+void
+_pixman_radial_gradient_iter_init (pixman_image_t *image,
+ pixman_iter_t *iter,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags);
+
+void
+_pixman_conical_gradient_iter_init (pixman_image_t *image,
+ pixman_iter_t *iter,
+ int x, int y, int width, int height,
+ uint8_t *buffer, iter_flags_t flags);
+
+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);
+ const uint32_t *mask);
-source_pict_class_t
+source_image_class_t
_pixman_image_classify (pixman_image_t *image,
int x,
int y,
int y,
int width,
uint32_t * buffer,
- const uint32_t *mask,
- uint32_t mask_bits);
+ const uint32_t *mask);
/* Even thought the type of buffer is uint32_t *, the function actually expects
* a uint64_t *buffer.
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);
+ const uint32_t *unused);
pixman_image_t *
_pixman_image_allocate (void);
void
_pixman_image_reset_clip_region (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);
+void
+_pixman_image_validate (pixman_image_t *image);
uint32_t
_pixman_image_get_solid (pixman_image_t * image,
pixman_format_code_t format);
-#define PIXMAN_IMAGE_GET_LINE(pict, x, y, type, out_stride, line, mul) \
+#define PIXMAN_IMAGE_GET_LINE(image, x, y, type, out_stride, line, mul) \
do \
{ \
uint32_t *__bits__; \
int __stride__; \
\
- __bits__ = pict->bits.bits; \
- __stride__ = pict->bits.rowstride; \
+ __bits__ = image->bits.bits; \
+ __stride__ = image->bits.rowstride; \
(out_stride) = \
__stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
(line) = \
#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_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_SMALL (n) / 2)
+#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) \
/*
* Implementations
*/
-
typedef struct pixman_implementation_t pixman_implementation_t;
typedef void (*pixman_combine_32_func_t) (pixman_implementation_t *imp,
void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
-struct pixman_implementation_t
+typedef struct
{
- pixman_implementation_t *toplevel;
- pixman_implementation_t *delegate;
-
- pixman_composite_func_t composite;
- pixman_blt_func_t blt;
- pixman_fill_func_t fill;
+ 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;
- 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];
+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_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];
};
pixman_implementation_t *
-_pixman_implementation_create (pixman_implementation_t *delegate);
+_pixman_implementation_create (pixman_implementation_t *delegate,
+ const pixman_fast_path_t *fast_paths);
void
_pixman_implementation_combine_32 (pixman_implementation_t *imp,
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,
/*
* Utilities
*/
+uint32_t *
+_pixman_iter_get_scanline_noop (pixman_iter_t *iter, const uint32_t *mask);
-/* These "formats" both have depth 0, so they
+/* 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 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;
+#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_SAMPLES_COVER_CLIP (1 << 16)
+#define FAST_PATH_X_UNIT_POSITIVE (1 << 17)
+#define FAST_PATH_AFFINE_TRANSFORM (1 << 18)
+#define FAST_PATH_Y_UNIT_ZERO (1 << 19)
+#define FAST_PATH_BILINEAR_FILTER (1 << 20)
+
+#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 | 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_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,
((((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_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
+
/*
* Various debugging code
*/
#undef DEBUG
-#define DEBUG 0
-#if 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)) \
- { \
- fprintf (stderr, "In %s: %s failed\n", FUNC, # expr); \
- return; \
- } \
+ if (!(expr)) \
+ { \
+ _pixman_log_error (FUNC, "The expression " # expr " was false"); \
+ return; \
+ } \
} \
while (0)
do \
{ \
if (!(expr)) \
- { \
- fprintf (stderr, "In %s: %s failed\n", FUNC, # expr); \
- return (retval); \
- } \
+ { \
+ _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 return_if_fail(expr) \
+#define _pixman_log_error(f,m) do { } while (0) \
+
+#define return_if_fail(expr) \
do \
{ \
if (!(expr)) \
} \
while (0)
+#define critical_if_fail(expr) \
+ do \
+ { \
+ } \
+ while (0)
#endif
/*