* 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;
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;
+ 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 */
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;
pixman_format_code_t extended_format_code;
};
-struct source_image
-{
- image_common_t common;
- source_image_class_t class;
-};
-
struct solid_fill
{
- source_image_t common;
+ image_common_t common;
pixman_color_t color;
uint32_t color_32;
struct gradient
{
- source_image_t common;
+ image_common_t common;
int n_stops;
pixman_gradient_stop_t *stops;
- int stop_range;
};
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
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 raw scanlines, with no regard for transformations, alpha maps etc. */
- fetch_scanline_t fetch_scanline_raw_32;
- fetch_scanline_t fetch_scanline_raw_64;
+ fetch_scanline_t get_scanline_32;
+ fetch_scanline_t get_scanline_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 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_raw_accessors (bits_image_t *image);
+_pixman_bits_image_setup_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);
-
-source_image_class_t
-_pixman_image_classify (pixman_image_t *image,
- int x,
- int y,
- int width,
- int height);
+_pixman_bits_image_src_iter_init (pixman_image_t *image, pixman_iter_t *iter);
void
-_pixman_image_get_scanline_32 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *mask);
-
-/* Even thought the type of buffer is uint32_t *, the function actually expects
- * a uint64_t *buffer.
- */
+_pixman_bits_image_dest_iter_init (pixman_image_t *image, pixman_iter_t *iter);
+
void
-_pixman_image_get_scanline_64 (pixman_image_t *image,
- int x,
- int y,
- int width,
- uint32_t * buffer,
- const uint32_t *unused);
+_pixman_solid_fill_iter_init (pixman_image_t *image, pixman_iter_t *iter);
void
-_pixman_image_store_scanline_32 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *buffer);
-
-/* Even though the type of buffer is uint32_t *, the function
- * actually expects a uint64_t *buffer.
- */
+_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_image_store_scanline_64 (bits_image_t * image,
- int x,
- int y,
- int width,
- const uint32_t *buffer);
+_pixman_conical_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
pixman_image_t *
_pixman_image_allocate (void);
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(image, x, y, type, out_stride, line, mul) \
do \
{ \
*/
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;
+} 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,
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);
+ 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 dst_bpp,
int src_x,
int src_y,
- int dst_x,
- int dst_y,
+ int dest_x,
+ int dest_y,
int width,
int height);
typedef pixman_bool_t (*pixman_fill_func_t) (pixman_implementation_t *imp,
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);
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_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);
int dst_bpp,
int src_x,
int src_y,
- int dst_x,
- int dst_y,
+ int dest_x,
+ int dest_y,
int width,
int height);
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 (void);
+_pixman_implementation_create_fast_path (pixman_implementation_t *fallback);
+
+pixman_implementation_t *
+_pixman_implementation_create_noop (pixman_implementation_t *fallback);
#ifdef USE_MMX
pixman_implementation_t *
-_pixman_implementation_create_mmx (void);
+_pixman_implementation_create_mmx (pixman_implementation_t *fallback);
#endif
#ifdef USE_SSE2
pixman_implementation_t *
-_pixman_implementation_create_sse2 (void);
+_pixman_implementation_create_sse2 (pixman_implementation_t *fallback);
#endif
#ifdef USE_ARM_SIMD
pixman_implementation_t *
-_pixman_implementation_create_arm_simd (void);
+_pixman_implementation_create_arm_simd (pixman_implementation_t *fallback);
#endif
#ifdef USE_ARM_NEON
pixman_implementation_t *
-_pixman_implementation_create_arm_neon (void);
+_pixman_implementation_create_arm_neon (pixman_implementation_t *fallback);
#endif
#ifdef USE_VMX
pixman_implementation_t *
-_pixman_implementation_create_vmx (void);
+_pixman_implementation_create_vmx (pixman_implementation_t *fallback);
#endif
pixman_implementation_t *
/*
* 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 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_NO_WIDE_FORMAT (1 << 6)
-#define FAST_PATH_COVERS_CLIP (1 << 7)
+#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_SIMPLE_REPEAT (1 << 12)
+#define FAST_PATH_HAS_TRANSFORM (1 << 12)
#define FAST_PATH_IS_OPAQUE (1 << 13)
-#define FAST_PATH_NEEDS_WORKAROUND (1 << 14)
+#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_ROTATE_90_TRANSFORM (1 << 21)
+#define FAST_PATH_ROTATE_180_TRANSFORM (1 << 22)
+#define FAST_PATH_ROTATE_270_TRANSFORM (1 << 23)
+
+#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_STANDARD_FLAGS \
- (FAST_PATH_ID_TRANSFORM | \
- FAST_PATH_NO_ALPHA_MAP | \
- FAST_PATH_NO_CONVOLUTION_FILTER | \
+#define FAST_PATH_NONE_REPEAT \
+ (FAST_PATH_NO_NORMAL_REPEAT | \
FAST_PATH_NO_PAD_REPEAT | \
- FAST_PATH_NO_REFLECT_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_WIDE_FORMAT | \
- FAST_PATH_COVERS_CLIP)
-
-#define FAST_PATH_STD_SRC_FLAGS \
- _FAST_PATH_STANDARD_FLAGS
-#define FAST_PATH_STD_MASK_U_FLAGS \
- (_FAST_PATH_STANDARD_FLAGS | \
- FAST_PATH_UNIFIED_ALPHA)
-#define FAST_PATH_STD_MASK_CA_FLAGS \
- (_FAST_PATH_STANDARD_FLAGS | \
- FAST_PATH_COMPONENT_ALPHA)
+ FAST_PATH_NO_ALPHA_MAP | \
+ FAST_PATH_NARROW_FORMAT)
+
#define FAST_PATH_STD_DEST_FLAGS \
(FAST_PATH_NO_ACCESSORS | \
- FAST_PATH_NO_WIDE_FORMAT)
+ 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, \
#define PIXMAN_STD_FAST_PATH(op, src, mask, dest, func) \
{ FAST_PATH ( \
- op, \
- src, FAST_PATH_STD_SRC_FLAGS, \
- mask, (PIXMAN_ ## mask) ? FAST_PATH_STD_MASK_U_FLAGS : 0, \
- dest, FAST_PATH_STD_DEST_FLAGS, \
- func) }
+ 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, FAST_PATH_STD_SRC_FLAGS, \
- mask, FAST_PATH_STD_MASK_CA_FLAGS, \
- dest, FAST_PATH_STD_DEST_FLAGS, \
- func) }
+ 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_abc (unsigned int a, unsigned int b, unsigned int c);
pixman_bool_t
-pixman_multiply_overflows_int (unsigned int a, unsigned int b);
+_pixman_multiply_overflows_size (size_t a, size_t b);
pixman_bool_t
-pixman_addition_overflows_int (unsigned int a, unsigned int b);
+_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
/* 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) \
# 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))
projects / profile / ivi / pixman.git / blobdiff