_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);
+_pixman_bits_image_src_iter_init (pixman_image_t *image, pixman_iter_t *iter);
+
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);
+_pixman_bits_image_dest_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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);
+_pixman_solid_fill_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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);
+_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,
- int x, int y, int width, int height,
- uint8_t *buffer, iter_flags_t flags);
+_pixman_radial_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
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);
+_pixman_conical_gradient_iter_init (pixman_image_t *image, pixman_iter_t *iter);
pixman_image_t *
_pixman_image_allocate (void);
*/
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 height,
uint32_t xor);
typedef void (*pixman_iter_init_func_t) (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);
+ pixman_iter_t *iter);
void _pixman_setup_combiner_functions_32 (pixman_implementation_t *imp);
void _pixman_setup_combiner_functions_64 (pixman_implementation_t *imp);
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);
pixman_implementation_t *
_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 (pixman_implementation_t *fallback);
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
*/