#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"
-#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
-
-
/*
* 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;
-/* FIXME - the types and structures below should be give proper names
- */
-
-typedef void (*fetchProc32)(bits_image_t *pict, int x, int y, int width,
- uint32_t *buffer);
-typedef uint32_t (*fetchPixelProc32)(bits_image_t *pict, int offset, int line);
-typedef void (*storeProc32)(pixman_image_t *, uint32_t *bits,
- const uint32_t *values, int x, int width);
-
-typedef void (*fetchProc64)(bits_image_t *pict, int x, int y, int width,
- uint64_t *buffer);
-typedef uint64_t (*fetchPixelProc64)(bits_image_t *pict, int offset, int line);
-typedef void (*storeProc64)(pixman_image_t *, uint32_t *bits,
- const uint64_t *values, int x, int width);
-
-typedef void (* fetch_pixels_32_t) (bits_image_t *image, uint32_t *buffer, int n_pixels);
-typedef void (* fetch_pixels_64_t) (bits_image_t *image, uint64_t *buffer, int n_pixels);
-
-void _pixman_bits_image_setup_raw_accessors (bits_image_t *image);
+typedef void (*fetch_scanline_t) (pixman_image_t *image,
+ int x,
+ int y,
+ int width,
+ uint32_t *buffer,
+ const uint32_t *mask);
-void pixman_expand(uint64_t *dst, const uint32_t *src, pixman_format_code_t, int width);
-void pixman_contract(uint32_t *dst, const uint64_t *src, int width);
+typedef uint32_t (*fetch_pixel_32_t) (bits_image_t *image,
+ int x,
+ int y);
-void _pixman_image_get_scanline_64_generic (pixman_image_t * pict, int x, int y, int width,
- uint64_t *buffer, uint64_t *mask, uint32_t maskBits);
+typedef uint64_t (*fetch_pixel_64_t) (bits_image_t *image,
+ int x,
+ int y);
-/* end */
+typedef void (*store_scanline_t) (bits_image_t * image,
+ int x,
+ int y,
+ int width,
+ const uint32_t *values);
typedef enum
{
{
SOURCE_IMAGE_CLASS_UNKNOWN,
SOURCE_IMAGE_CLASS_HORIZONTAL,
- SOURCE_IMAGE_CLASS_VERTICAL,
-} source_pict_class_t;
-
-typedef void (*scanStoreProc)(bits_image_t *img, int x, int y, int width, uint32_t *buffer);
-typedef void (*scanFetchProc)(pixman_image_t *, int, int, int, uint32_t *,
- uint32_t *, uint32_t);
-
-source_pict_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, 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, uint32_t *unused, uint32_t unused2);
-
-void
-_pixman_image_store_scanline_32 (bits_image_t *image, int x, int y, int width,
- uint32_t *buffer);
-void
-_pixman_image_fetch_pixels (bits_image_t *image, uint32_t *buffer, int n_pixels);
-
-/* Even thought 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,
- 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);
+} source_image_class_t;
-typedef source_pict_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);
+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
+ 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_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;
- pixman_read_memory_func_t read_func;
- pixman_write_memory_func_t write_func;
- classify_func_t classify;
- property_changed_func_t property_changed;
- scanFetchProc get_scanline_32;
- scanFetchProc get_scanline_64;
+ 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;
+ 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;
-};
+ 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;
- int n_stops;
- pixman_gradient_stop_t * stops;
- int stop_range;
- uint32_t * color_table;
- int color_table_size;
+ 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;
+ gradient_t common;
+ pixman_point_fixed_t p1;
+ pixman_point_fixed_t p2;
};
struct circle
struct radial_gradient
{
- gradient_t common;
-
- circle_t c1;
- circle_t c2;
- double cdx;
- double cdy;
- double dr;
- double A;
+ 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;
- pixman_fixed_t angle;
+ 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 raw pixels, with no regard for transformations, alpha map etc. */
- fetch_pixels_32_t fetch_pixels_raw_32;
- fetch_pixels_64_t fetch_pixels_raw_64;
-
- /* Fetch raw scanlines, with no regard for transformations, alpha maps etc. */
- fetchProc32 fetch_scanline_raw_32;
- fetchProc64 fetch_scanline_raw_64;
-
- /* Store scanlines with no regard for alpha maps */
- storeProc32 store_scanline_raw_32;
- storeProc64 store_scanline_raw_64;
-
- /* Store a scanline, taking alpha maps into account */
- scanStoreProc store_scanline_32;
- scanStoreProc store_scanline_64;
+ 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_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;
+ 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;
+ 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;
};
-/*
- * Gradient walker
- */
-typedef struct
+typedef struct pixman_iter_t pixman_iter_t;
+typedef enum
{
- 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;
+ ITER_NARROW = (1 << 0),
+} iter_flags_t;
-void
-_pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
- gradient_t *gradient,
- unsigned int spread);
+struct pixman_iter_t
+{
+ uint32_t *(* get_scanline) (pixman_iter_t *iter, const uint32_t *mask);
+ void (* write_back) (pixman_iter_t *iter);
-void
-_pixman_gradient_walker_reset (pixman_gradient_walker_t *walker,
- pixman_fixed_32_32_t pos);
+ pixman_image_t * image;
+ uint32_t * buffer;
+ int x, y;
+ int width;
+};
-uint32_t
-_pixman_gradient_walker_pixel (pixman_gradient_walker_t *walker,
- pixman_fixed_32_32_t x);
+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,
+ 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);
-#ifdef WORDS_BIGENDIAN
-#define Fetch24(img, a) ((unsigned long) (a) & 1 ? \
- ((READ(img, a) << 16) | READ(img, (uint16_t *) ((a)+1))) : \
- ((READ(img, (uint16_t *) (a)) << 8) | READ(img, (a)+2)))
-#define Store24(img,a,v) ((unsigned long) (a) & 1 ? \
- (WRITE(img, a, (uint8_t) ((v) >> 16)), \
- WRITE(img, (uint16_t *) ((a)+1), (uint16_t) (v))) : \
- (WRITE(img, (uint16_t *) (a), (uint16_t) ((v) >> 8)), \
- WRITE(img, (a)+2, (uint8_t) (v))))
-#else
-#define Fetch24(img,a) ((unsigned long) (a) & 1 ? \
- (READ(img, a) | (READ(img, (uint16_t *) ((a)+1)) << 8)) : \
- (READ(img, (uint16_t *) (a)) | (READ(img, (a)+2) << 16)))
-#define Store24(img,a,v) ((unsigned long) (a) & 1 ? \
- (WRITE(img, a, (uint8_t) (v)), \
- WRITE(img, (uint16_t *) ((a)+1), (uint16_t) ((v) >> 8))) : \
- (WRITE(img, (uint16_t *) (a), (uint16_t) (v)), \
- WRITE(img, (a)+2, (uint8_t) ((v) >> 16))))
-#endif
+void
+_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);
-#define FbIntMult(a,b,t) ( (t) = (a) * (b) + 0x80, ( ( ( (t)>>8 ) + (t) )>>8 ) )
-#define FbIntDiv(a,b) (((uint16_t) (a) * 255) / (b))
+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);
-#define FbGet8(v,i) ((uint16_t) (uint8_t) ((v) >> i))
+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);
+
+source_image_class_t
+_pixman_image_classify (pixman_image_t *image,
+ int x,
+ int y,
+ int width,
+ int height);
-#define cvt8888to0565(s) ((((s) >> 3) & 0x001f) | \
- (((s) >> 5) & 0x07e0) | \
- (((s) >> 8) & 0xf800))
-#define cvt0565to0888(s) (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
- ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
- ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
+void
+_pixman_image_get_scanline_32 (pixman_image_t *image,
+ int x,
+ int y,
+ int width,
+ uint32_t * buffer,
+ const uint32_t *mask);
-/*
- * There are two ways of handling alpha -- either as a single unified value or
- * a separate value for each component, hence each macro must have two
- * versions. The unified alpha version has a 'U' at the end of the name,
- * the component version has a 'C'. Similarly, functions which deal with
- * this difference will have two versions using the same convention.
+/* 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);
-#define FbOverU(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),(a),(t)) + FbGet8(x,i), \
- (uint32_t) ((uint8_t) ((t) | (0 - ((t) >> 8)))) << (i))
-
-#define FbOverC(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),FbGet8(a,i),(t)) + FbGet8(x,i), \
- (uint32_t) ((uint8_t) ((t) | (0 - ((t) >> 8)))) << (i))
-
-#define FbInU(x,i,a,t) ((uint32_t) FbIntMult(FbGet8(x,i),(a),(t)) << (i))
-
-#define FbInC(x,i,a,t) ((uint32_t) FbIntMult(FbGet8(x,i),FbGet8(a,i),(t)) << (i))
-
-#define FbAdd(x,y,i,t) ((t) = FbGet8(x,i) + FbGet8(y,i), \
- (uint32_t) ((uint8_t) ((t) | (0 - ((t) >> 8)))) << (i))
-
-#define div_255(x) (((x) + 0x80 + (((x) + 0x80) >> 8)) >> 8)
-#define div_65535(x) (((x) + 0x8000 + (((x) + 0x8000) >> 16)) >> 16)
-
-#ifdef PIXMAN_FB_ACCESSORS
+pixman_image_t *
+_pixman_image_allocate (void);
-#define ACCESS(sym) sym##_accessors
+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);
-#define READ(img, ptr) \
- ((img)->common.read_func ((ptr), sizeof(*(ptr))))
-#define WRITE(img, ptr,val) \
- ((img)->common.write_func ((ptr), (val), sizeof (*(ptr))))
+void
+_pixman_image_validate (pixman_image_t *image);
-#define MEMCPY_WRAPPED(img, dst, src, size) \
- do { \
- size_t _i; \
- uint8_t *_dst = (uint8_t*)(dst), *_src = (uint8_t*)(src); \
- for(_i = 0; _i < size; _i++) { \
- WRITE((img), _dst +_i, READ((img), _src + _i)); \
- } \
- } while (0)
+uint32_t
+_pixman_image_get_solid (pixman_image_t * image,
+ pixman_format_code_t format);
-#define MEMSET_WRAPPED(img, dst, val, size) \
- do { \
- size_t _i; \
- uint8_t *_dst = (uint8_t*)(dst); \
- for(_i = 0; _i < (size_t) size; _i++) { \
- WRITE((img), _dst +_i, (val)); \
- } \
+#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)
-#else
-
-#define ACCESS(sym) sym
-
-#define READ(img, ptr) (*(ptr))
-#define WRITE(img, ptr, val) (*(ptr) = (val))
-#define MEMCPY_WRAPPED(img, dst, src, size) \
- memcpy(dst, src, size)
-#define MEMSET_WRAPPED(img, dst, val, size) \
- memset(dst, val, size)
+/*
+ * 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;
-#endif
+void
+_pixman_gradient_walker_init (pixman_gradient_walker_t *walker,
+ gradient_t * gradient,
+ unsigned int spread);
-#define fbComposeGetStart(pict,x,y,type,out_stride,line,mul) do { \
- uint32_t *__bits__; \
- int __stride__; \
- int __bpp__; \
- \
- __bits__ = pict->bits.bits; \
- __stride__ = pict->bits.rowstride; \
- __bpp__ = PIXMAN_FORMAT_BPP(pict->bits.format); \
- (out_stride) = __stride__ * (int) sizeof (uint32_t) / (int) sizeof (type); \
- (line) = ((type *) __bits__) + \
- (out_stride) * (y) + (mul) * (x); \
- } while (0)
+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);
-#define PIXMAN_FORMAT_16BPC(f) (PIXMAN_FORMAT_A(f) > 8 || \
- PIXMAN_FORMAT_R(f) > 8 || \
- PIXMAN_FORMAT_G(f) > 8 || \
- PIXMAN_FORMAT_B(f) > 8)
/*
* 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 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 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 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 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 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 RenderSamplesX(x,n) ((n) == 1 ? 0 : (pixman_fixed_frac (x) + X_FRAC_FIRST(n)) / 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))
-/*
- * Step across a small sample grid gap
- */
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);
-
-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);
+ 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);
+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);
+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;
-
- pixman_composite_func_t composite;
+ 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_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_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,
- 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);
+_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_32_ca (pixman_implementation_t * imp,
- pixman_op_t op,
- uint32_t * dest,
- const uint32_t * src,
- const uint32_t * mask,
- int width);
+_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_64_ca (pixman_implementation_t * imp,
- pixman_op_t op,
- uint64_t * dest,
- const uint64_t * src,
- const uint64_t * mask,
- int width);
+_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_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_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);
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_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);
-
+_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);
-
/*
* 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_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_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 * pSrc,
- pixman_image_t * pMask,
- pixman_image_t * pDst,
- int16_t xSrc,
- int16_t ySrc,
- int16_t xMask,
- int16_t yMask,
- int16_t xDst,
- int16_t yDst,
- uint16_t width,
- uint16_t height,
- pixman_composite_func_t compositeRect);
+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_region16_t *src);
pixman_bool_t
pixman_region16_copy_from_region32 (pixman_region16_t *dst,
- pixman_region32_t *src);
+ pixman_region32_t *src);
-/*
- * Various useful macros
- */
+/* Misc macros */
+
#ifndef FALSE
-#define FALSE 0
+# define FALSE 0
#endif
#ifndef TRUE
-#define TRUE 1
+# 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))
+#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 MOD(a, b) ((a) < 0 ? ((b) - ((-(a) - 1) % (b))) - 1 : (a) % (b))
-#define CLIP(a,b,c) ((a) < (b) ? (b) : ((a) > (c) ? (c) : (a)))
+#define CLIP(v, low, high) ((v) < (low) ? (low) : ((v) > (high) ? (high) : (v)))
-#ifndef MIN
-# define MIN(a,b) ((a < b)? a : b)
+/* 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_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
-#ifndef MAX
-# define MAX(a,b) ((a > b)? a : b)
+/*
+ * 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
-#ifdef PIXMAN_TIMERS
/*
* Timers
*/
+#ifdef PIXMAN_TIMERS
+
static inline uint64_t
oil_profile_stamp_rdtsc (void)
{
uint64_t ts;
- __asm__ __volatile__("rdtsc\n" : "=A" (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;
+ 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); \
- } \
+#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();
+ timer ## tname.n_times++; \
+ begin ## tname = OIL_STAMP ();
-#define TIMER_END(tname) \
- timer##tname.total += OIL_STAMP() - begin##tname; \
+#define TIMER_END(tname) \
+ timer ## tname.total += OIL_STAMP () - begin ## tname; \
}
#endif /* PIXMAN_TIMERS */