X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=pixman%2Fpixman.c;h=8fb53568fbe73598cabfa98d9186295c982d3e7f;hb=17acc7a4c707db4804b6bf47db30883745049fdb;hp=12b4c5ac1f62d2434b321f13bdf48a5ca050a956;hpb=6bd17f1e9861693262fa88bfeff5d3279b3f6e7d;p=profile%2Fivi%2Fpixman.git diff --git a/pixman/pixman.c b/pixman/pixman.c index 12b4c5a..8fb5356 100644 --- a/pixman/pixman.c +++ b/pixman/pixman.c @@ -28,128 +28,695 @@ #endif #include "pixman-private.h" -/* - * Operator optimizations based on source or destination opacity - */ -typedef struct +#include + +static pixman_implementation_t *global_implementation; + +#ifdef TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR +static void __attribute__((constructor)) +pixman_constructor (void) +{ + global_implementation = _pixman_choose_implementation (); +} +#endif + +static force_inline pixman_implementation_t * +get_implementation (void) { - pixman_op_t op; - pixman_op_t op_src_dst_opaque; - pixman_op_t op_src_opaque; - pixman_op_t op_dst_opaque; -} optimized_operator_info_t; +#ifndef TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR + if (!global_implementation) + global_implementation = _pixman_choose_implementation (); +#endif + return global_implementation; +} + +typedef struct operator_info_t operator_info_t; -static const optimized_operator_info_t optimized_operators[] = +struct operator_info_t { - /* Input Operator SRC&DST Opaque SRC Opaque DST Opaque */ - { PIXMAN_OP_OVER, PIXMAN_OP_SRC, PIXMAN_OP_SRC, PIXMAN_OP_OVER }, - { PIXMAN_OP_OVER_REVERSE, PIXMAN_OP_DST, PIXMAN_OP_OVER_REVERSE, PIXMAN_OP_DST }, - { PIXMAN_OP_IN, PIXMAN_OP_SRC, PIXMAN_OP_IN, PIXMAN_OP_SRC }, - { PIXMAN_OP_IN_REVERSE, PIXMAN_OP_DST, PIXMAN_OP_DST, PIXMAN_OP_IN_REVERSE }, - { PIXMAN_OP_OUT, PIXMAN_OP_CLEAR, PIXMAN_OP_OUT, PIXMAN_OP_CLEAR }, - { PIXMAN_OP_OUT_REVERSE, PIXMAN_OP_CLEAR, PIXMAN_OP_CLEAR, PIXMAN_OP_OUT_REVERSE }, - { PIXMAN_OP_ATOP, PIXMAN_OP_SRC, PIXMAN_OP_IN, PIXMAN_OP_OVER }, - { PIXMAN_OP_ATOP_REVERSE, PIXMAN_OP_DST, PIXMAN_OP_OVER_REVERSE, PIXMAN_OP_IN_REVERSE }, - { PIXMAN_OP_XOR, PIXMAN_OP_CLEAR, PIXMAN_OP_OUT, PIXMAN_OP_OUT_REVERSE }, - { PIXMAN_OP_SATURATE, PIXMAN_OP_DST, PIXMAN_OP_OVER_REVERSE, PIXMAN_OP_DST }, - { PIXMAN_OP_NONE } + uint8_t opaque_info[4]; }; -static pixman_implementation_t *imp; +#define PACK(neither, src, dest, both) \ + {{ (uint8_t)PIXMAN_OP_ ## neither, \ + (uint8_t)PIXMAN_OP_ ## src, \ + (uint8_t)PIXMAN_OP_ ## dest, \ + (uint8_t)PIXMAN_OP_ ## both }} + +static const operator_info_t operator_table[] = +{ + /* Neither Opaque Src Opaque Dst Opaque Both Opaque */ + PACK (CLEAR, CLEAR, CLEAR, CLEAR), + PACK (SRC, SRC, SRC, SRC), + PACK (DST, DST, DST, DST), + PACK (OVER, SRC, OVER, SRC), + PACK (OVER_REVERSE, OVER_REVERSE, DST, DST), + PACK (IN, IN, SRC, SRC), + PACK (IN_REVERSE, DST, IN_REVERSE, DST), + PACK (OUT, OUT, CLEAR, CLEAR), + PACK (OUT_REVERSE, CLEAR, OUT_REVERSE, CLEAR), + PACK (ATOP, IN, OVER, SRC), + PACK (ATOP_REVERSE, OVER_REVERSE, IN_REVERSE, DST), + PACK (XOR, OUT, OUT_REVERSE, CLEAR), + PACK (ADD, ADD, ADD, ADD), + PACK (SATURATE, OVER_REVERSE, DST, DST), + + {{ 0 /* 0x0e */ }}, + {{ 0 /* 0x0f */ }}, + + PACK (CLEAR, CLEAR, CLEAR, CLEAR), + PACK (SRC, SRC, SRC, SRC), + PACK (DST, DST, DST, DST), + PACK (DISJOINT_OVER, DISJOINT_OVER, DISJOINT_OVER, DISJOINT_OVER), + PACK (DISJOINT_OVER_REVERSE, DISJOINT_OVER_REVERSE, DISJOINT_OVER_REVERSE, DISJOINT_OVER_REVERSE), + PACK (DISJOINT_IN, DISJOINT_IN, DISJOINT_IN, DISJOINT_IN), + PACK (DISJOINT_IN_REVERSE, DISJOINT_IN_REVERSE, DISJOINT_IN_REVERSE, DISJOINT_IN_REVERSE), + PACK (DISJOINT_OUT, DISJOINT_OUT, DISJOINT_OUT, DISJOINT_OUT), + PACK (DISJOINT_OUT_REVERSE, DISJOINT_OUT_REVERSE, DISJOINT_OUT_REVERSE, DISJOINT_OUT_REVERSE), + PACK (DISJOINT_ATOP, DISJOINT_ATOP, DISJOINT_ATOP, DISJOINT_ATOP), + PACK (DISJOINT_ATOP_REVERSE, DISJOINT_ATOP_REVERSE, DISJOINT_ATOP_REVERSE, DISJOINT_ATOP_REVERSE), + PACK (DISJOINT_XOR, DISJOINT_XOR, DISJOINT_XOR, DISJOINT_XOR), + + {{ 0 /* 0x1c */ }}, + {{ 0 /* 0x1d */ }}, + {{ 0 /* 0x1e */ }}, + {{ 0 /* 0x1f */ }}, + + PACK (CLEAR, CLEAR, CLEAR, CLEAR), + PACK (SRC, SRC, SRC, SRC), + PACK (DST, DST, DST, DST), + PACK (CONJOINT_OVER, CONJOINT_OVER, CONJOINT_OVER, CONJOINT_OVER), + PACK (CONJOINT_OVER_REVERSE, CONJOINT_OVER_REVERSE, CONJOINT_OVER_REVERSE, CONJOINT_OVER_REVERSE), + PACK (CONJOINT_IN, CONJOINT_IN, CONJOINT_IN, CONJOINT_IN), + PACK (CONJOINT_IN_REVERSE, CONJOINT_IN_REVERSE, CONJOINT_IN_REVERSE, CONJOINT_IN_REVERSE), + PACK (CONJOINT_OUT, CONJOINT_OUT, CONJOINT_OUT, CONJOINT_OUT), + PACK (CONJOINT_OUT_REVERSE, CONJOINT_OUT_REVERSE, CONJOINT_OUT_REVERSE, CONJOINT_OUT_REVERSE), + PACK (CONJOINT_ATOP, CONJOINT_ATOP, CONJOINT_ATOP, CONJOINT_ATOP), + PACK (CONJOINT_ATOP_REVERSE, CONJOINT_ATOP_REVERSE, CONJOINT_ATOP_REVERSE, CONJOINT_ATOP_REVERSE), + PACK (CONJOINT_XOR, CONJOINT_XOR, CONJOINT_XOR, CONJOINT_XOR), + + {{ 0 /* 0x2c */ }}, + {{ 0 /* 0x2d */ }}, + {{ 0 /* 0x2e */ }}, + {{ 0 /* 0x2f */ }}, + + PACK (MULTIPLY, MULTIPLY, MULTIPLY, MULTIPLY), + PACK (SCREEN, SCREEN, SCREEN, SCREEN), + PACK (OVERLAY, OVERLAY, OVERLAY, OVERLAY), + PACK (DARKEN, DARKEN, DARKEN, DARKEN), + PACK (LIGHTEN, LIGHTEN, LIGHTEN, LIGHTEN), + PACK (COLOR_DODGE, COLOR_DODGE, COLOR_DODGE, COLOR_DODGE), + PACK (COLOR_BURN, COLOR_BURN, COLOR_BURN, COLOR_BURN), + PACK (HARD_LIGHT, HARD_LIGHT, HARD_LIGHT, HARD_LIGHT), + PACK (SOFT_LIGHT, SOFT_LIGHT, SOFT_LIGHT, SOFT_LIGHT), + PACK (DIFFERENCE, DIFFERENCE, DIFFERENCE, DIFFERENCE), + PACK (EXCLUSION, EXCLUSION, EXCLUSION, EXCLUSION), + PACK (HSL_HUE, HSL_HUE, HSL_HUE, HSL_HUE), + PACK (HSL_SATURATION, HSL_SATURATION, HSL_SATURATION, HSL_SATURATION), + PACK (HSL_COLOR, HSL_COLOR, HSL_COLOR, HSL_COLOR), + PACK (HSL_LUMINOSITY, HSL_LUMINOSITY, HSL_LUMINOSITY, HSL_LUMINOSITY), +}; /* - * Check if the current operator could be optimized + * Optimize the current operator based on opacity of source or destination + * The output operator should be mathematically equivalent to the source. */ -static const optimized_operator_info_t* -pixman_operator_can_be_optimized (pixman_op_t op) +static pixman_op_t +optimize_operator (pixman_op_t op, + uint32_t src_flags, + uint32_t mask_flags, + uint32_t dst_flags) { - const optimized_operator_info_t *info; + pixman_bool_t is_source_opaque, is_dest_opaque; - for (info = optimized_operators; info->op != PIXMAN_OP_NONE; info++) +#define OPAQUE_SHIFT 13 + + COMPILE_TIME_ASSERT (FAST_PATH_IS_OPAQUE == (1 << OPAQUE_SHIFT)); + + is_dest_opaque = (dst_flags & FAST_PATH_IS_OPAQUE); + is_source_opaque = ((src_flags & mask_flags) & FAST_PATH_IS_OPAQUE); + + is_dest_opaque >>= OPAQUE_SHIFT - 1; + is_source_opaque >>= OPAQUE_SHIFT; + + return operator_table[op].opaque_info[is_dest_opaque | is_source_opaque]; +} + +/* + * Computing composite region + */ +static inline pixman_bool_t +clip_general_image (pixman_region32_t * region, + pixman_region32_t * clip, + int dx, + int dy) +{ + if (pixman_region32_n_rects (region) == 1 && + pixman_region32_n_rects (clip) == 1) { - if (info->op == op) - return info; + pixman_box32_t * rbox = pixman_region32_rectangles (region, NULL); + pixman_box32_t * cbox = pixman_region32_rectangles (clip, NULL); + int v; + + if (rbox->x1 < (v = cbox->x1 + dx)) + rbox->x1 = v; + if (rbox->x2 > (v = cbox->x2 + dx)) + rbox->x2 = v; + if (rbox->y1 < (v = cbox->y1 + dy)) + rbox->y1 = v; + if (rbox->y2 > (v = cbox->y2 + dy)) + rbox->y2 = v; + if (rbox->x1 >= rbox->x2 || rbox->y1 >= rbox->y2) + { + pixman_region32_init (region); + return FALSE; + } + } + else if (!pixman_region32_not_empty (clip)) + { + return FALSE; } - return NULL; + else + { + if (dx || dy) + pixman_region32_translate (region, -dx, -dy); + + if (!pixman_region32_intersect (region, region, clip)) + return FALSE; + + if (dx || dy) + pixman_region32_translate (region, dx, dy); + } + + return pixman_region32_not_empty (region); +} + +static inline pixman_bool_t +clip_source_image (pixman_region32_t * region, + pixman_image_t * image, + int dx, + int dy) +{ + /* Source clips are ignored, unless they are explicitly turned on + * and the clip in question was set by an X client. (Because if + * the clip was not set by a client, then it is a hierarchy + * clip and those should always be ignored for sources). + */ + if (!image->common.clip_sources || !image->common.client_clip) + return TRUE; + + return clip_general_image (region, + &image->common.clip_region, + dx, dy); } /* - * Optimize the current operator based on opacity of source or destination - * The output operator should be mathematically equivalent to the source. + * returns FALSE if the final region is empty. Indistinguishable from + * an allocation failure, but rendering ignores those anyways. */ -static pixman_op_t -pixman_optimize_operator (pixman_op_t op, - pixman_image_t *src_image, - pixman_image_t *mask_image, - pixman_image_t *dst_image) +static pixman_bool_t +pixman_compute_composite_region32 (pixman_region32_t * region, + 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_bool_t is_source_opaque; - pixman_bool_t is_dest_opaque; - const optimized_operator_info_t *info = pixman_operator_can_be_optimized (op); + region->extents.x1 = dest_x; + region->extents.x2 = dest_x + width; + region->extents.y1 = dest_y; + region->extents.y2 = dest_y + height; - if (!info || mask_image) - return op; + region->extents.x1 = MAX (region->extents.x1, 0); + region->extents.y1 = MAX (region->extents.y1, 0); + region->extents.x2 = MIN (region->extents.x2, dest_image->bits.width); + region->extents.y2 = MIN (region->extents.y2, dest_image->bits.height); - is_source_opaque = _pixman_image_is_opaque (src_image); - is_dest_opaque = _pixman_image_is_opaque (dst_image); + region->data = 0; - if (is_source_opaque == FALSE && is_dest_opaque == FALSE) - return op; + /* Check for empty operation */ + if (region->extents.x1 >= region->extents.x2 || + region->extents.y1 >= region->extents.y2) + { + region->extents.x1 = 0; + region->extents.x2 = 0; + region->extents.y1 = 0; + region->extents.y2 = 0; + return FALSE; + } - if (is_source_opaque && is_dest_opaque) - return info->op_src_dst_opaque; - else if (is_source_opaque) - return info->op_src_opaque; - else if (is_dest_opaque) - return info->op_dst_opaque; + if (dest_image->common.have_clip_region) + { + if (!clip_general_image (region, &dest_image->common.clip_region, 0, 0)) + return FALSE; + } - return op; + if (dest_image->common.alpha_map) + { + if (!pixman_region32_intersect_rect (region, region, + dest_image->common.alpha_origin_x, + dest_image->common.alpha_origin_y, + dest_image->common.alpha_map->width, + dest_image->common.alpha_map->height)) + { + return FALSE; + } + if (!pixman_region32_not_empty (region)) + return FALSE; + if (dest_image->common.alpha_map->common.have_clip_region) + { + if (!clip_general_image (region, &dest_image->common.alpha_map->common.clip_region, + -dest_image->common.alpha_origin_x, + -dest_image->common.alpha_origin_y)) + { + return FALSE; + } + } + } + + /* clip against src */ + if (src_image->common.have_clip_region) + { + if (!clip_source_image (region, src_image, dest_x - src_x, dest_y - src_y)) + return FALSE; + } + if (src_image->common.alpha_map && src_image->common.alpha_map->common.have_clip_region) + { + if (!clip_source_image (region, (pixman_image_t *)src_image->common.alpha_map, + dest_x - (src_x - src_image->common.alpha_origin_x), + dest_y - (src_y - src_image->common.alpha_origin_y))) + { + return FALSE; + } + } + /* clip against mask */ + if (mask_image && mask_image->common.have_clip_region) + { + if (!clip_source_image (region, mask_image, dest_x - mask_x, dest_y - mask_y)) + return FALSE; + + if (mask_image->common.alpha_map && mask_image->common.alpha_map->common.have_clip_region) + { + if (!clip_source_image (region, (pixman_image_t *)mask_image->common.alpha_map, + dest_x - (mask_x - mask_image->common.alpha_origin_x), + dest_y - (mask_y - mask_image->common.alpha_origin_y))) + { + return FALSE; + } + } + } + + return TRUE; +} + +typedef struct +{ + pixman_fixed_48_16_t x1; + pixman_fixed_48_16_t y1; + pixman_fixed_48_16_t x2; + pixman_fixed_48_16_t y2; +} box_48_16_t; + +static pixman_bool_t +compute_transformed_extents (pixman_transform_t *transform, + const pixman_box32_t *extents, + box_48_16_t *transformed) +{ + pixman_fixed_48_16_t tx1, ty1, tx2, ty2; + pixman_fixed_t x1, y1, x2, y2; + int i; + + x1 = pixman_int_to_fixed (extents->x1) + pixman_fixed_1 / 2; + y1 = pixman_int_to_fixed (extents->y1) + pixman_fixed_1 / 2; + x2 = pixman_int_to_fixed (extents->x2) - pixman_fixed_1 / 2; + y2 = pixman_int_to_fixed (extents->y2) - pixman_fixed_1 / 2; + + if (!transform) + { + transformed->x1 = x1; + transformed->y1 = y1; + transformed->x2 = x2; + transformed->y2 = y2; + + return TRUE; + } + + tx1 = ty1 = INT64_MAX; + tx2 = ty2 = INT64_MIN; + + for (i = 0; i < 4; ++i) + { + pixman_fixed_48_16_t tx, ty; + pixman_vector_t v; + + v.vector[0] = (i & 0x01)? x1 : x2; + v.vector[1] = (i & 0x02)? y1 : y2; + v.vector[2] = pixman_fixed_1; + if (!pixman_transform_point (transform, &v)) + return FALSE; + + tx = (pixman_fixed_48_16_t)v.vector[0]; + ty = (pixman_fixed_48_16_t)v.vector[1]; + + if (tx < tx1) + tx1 = tx; + if (ty < ty1) + ty1 = ty; + if (tx > tx2) + tx2 = tx; + if (ty > ty2) + ty2 = ty; + } + + transformed->x1 = tx1; + transformed->y1 = ty1; + transformed->x2 = tx2; + transformed->y2 = ty2; + + return TRUE; } -static void -apply_workaround (pixman_image_t *image, - int16_t * x, - int16_t * y, - uint32_t ** save_bits, - int * save_dx, - int * save_dy) +#define IS_16BIT(x) (((x) >= INT16_MIN) && ((x) <= INT16_MAX)) +#define ABS(f) (((f) < 0)? (-(f)) : (f)) +#define IS_16_16(f) (((f) >= pixman_min_fixed_48_16 && ((f) <= pixman_max_fixed_48_16))) + +static pixman_bool_t +analyze_extent (pixman_image_t *image, + const pixman_box32_t *extents, + uint32_t *flags) { - /* Some X servers generate images that point to the - * wrong place in memory, but then set the clip region - * to point to the right place. Because of an old bug - * in pixman, this would actually work. - * - * Here we try and undo the damage + pixman_transform_t *transform; + pixman_fixed_t x_off, y_off; + pixman_fixed_t width, height; + pixman_fixed_t *params; + box_48_16_t transformed; + pixman_box32_t exp_extents; + + if (!image) + return TRUE; + + /* Some compositing functions walk one step + * outside the destination rectangle, so we + * check here that the expanded-by-one source + * extents in destination space fits in 16 bits */ - int bpp = PIXMAN_FORMAT_BPP (image->bits.format) / 8; - pixman_box32_t *extents; - uint8_t *t; - int dx, dy; + if (!IS_16BIT (extents->x1 - 1) || + !IS_16BIT (extents->y1 - 1) || + !IS_16BIT (extents->x2 + 1) || + !IS_16BIT (extents->y2 + 1)) + { + return FALSE; + } - extents = pixman_region32_extents (&(image->common.clip_region)); - dx = extents->x1; - dy = extents->y1; + transform = image->common.transform; + if (image->common.type == BITS) + { + /* During repeat mode calculations we might convert the + * width/height of an image to fixed 16.16, so we need + * them to be smaller than 16 bits. + */ + if (image->bits.width >= 0x7fff || image->bits.height >= 0x7fff) + return FALSE; - *save_bits = image->bits.bits; + if ((image->common.flags & FAST_PATH_ID_TRANSFORM) == FAST_PATH_ID_TRANSFORM && + extents->x1 >= 0 && + extents->y1 >= 0 && + extents->x2 <= image->bits.width && + extents->y2 <= image->bits.height) + { + *flags |= FAST_PATH_SAMPLES_COVER_CLIP_NEAREST; + return TRUE; + } - *x -= dx; - *y -= dy; - pixman_region32_translate (&(image->common.clip_region), -dx, -dy); + switch (image->common.filter) + { + case PIXMAN_FILTER_CONVOLUTION: + params = image->common.filter_params; + x_off = - pixman_fixed_e - ((params[0] - pixman_fixed_1) >> 1); + y_off = - pixman_fixed_e - ((params[1] - pixman_fixed_1) >> 1); + width = params[0]; + height = params[1]; + break; - t = (uint8_t *)image->bits.bits; - t += dy * image->bits.rowstride * 4 + dx * bpp; - image->bits.bits = (uint32_t *)t; + case PIXMAN_FILTER_GOOD: + case PIXMAN_FILTER_BEST: + case PIXMAN_FILTER_BILINEAR: + x_off = - pixman_fixed_1 / 2; + y_off = - pixman_fixed_1 / 2; + width = pixman_fixed_1; + height = pixman_fixed_1; + break; - *save_dx = dx; - *save_dy = dy; + case PIXMAN_FILTER_FAST: + case PIXMAN_FILTER_NEAREST: + x_off = - pixman_fixed_e; + y_off = - pixman_fixed_e; + width = 0; + height = 0; + break; + + default: + return FALSE; + } + } + else + { + x_off = 0; + y_off = 0; + width = 0; + height = 0; + } + + if (!compute_transformed_extents (transform, extents, &transformed)) + return FALSE; + + /* Expand the source area by a tiny bit so account of different rounding that + * may happen during sampling. Note that (8 * pixman_fixed_e) is very far from + * 0.5 so this won't cause the area computed to be overly pessimistic. + */ + transformed.x1 -= 8 * pixman_fixed_e; + transformed.y1 -= 8 * pixman_fixed_e; + transformed.x2 += 8 * pixman_fixed_e; + transformed.y2 += 8 * pixman_fixed_e; + + if (image->common.type == BITS) + { + if (pixman_fixed_to_int (transformed.x1) >= 0 && + pixman_fixed_to_int (transformed.y1) >= 0 && + pixman_fixed_to_int (transformed.x2) < image->bits.width && + pixman_fixed_to_int (transformed.y2) < image->bits.height) + { + *flags |= FAST_PATH_SAMPLES_COVER_CLIP_NEAREST; + } + + if (pixman_fixed_to_int (transformed.x1 - pixman_fixed_1 / 2) >= 0 && + pixman_fixed_to_int (transformed.y1 - pixman_fixed_1 / 2) >= 0 && + pixman_fixed_to_int (transformed.x2 + pixman_fixed_1 / 2) < image->bits.width && + pixman_fixed_to_int (transformed.y2 + pixman_fixed_1 / 2) < image->bits.height) + { + *flags |= FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR; + } + } + + /* Check we don't overflow when the destination extents are expanded by one. + * This ensures that compositing functions can simply walk the source space + * using 16.16 variables without worrying about overflow. + */ + exp_extents = *extents; + exp_extents.x1 -= 1; + exp_extents.y1 -= 1; + exp_extents.x2 += 1; + exp_extents.y2 += 1; + + if (!compute_transformed_extents (transform, &exp_extents, &transformed)) + return FALSE; + + if (!IS_16_16 (transformed.x1 + x_off - 8 * pixman_fixed_e) || + !IS_16_16 (transformed.y1 + y_off - 8 * pixman_fixed_e) || + !IS_16_16 (transformed.x2 + x_off + 8 * pixman_fixed_e + width) || + !IS_16_16 (transformed.y2 + y_off + 8 * pixman_fixed_e + height)) + { + return FALSE; + } + + return TRUE; } -static void -unapply_workaround (pixman_image_t *image, uint32_t *bits, int dx, int dy) +/* + * Work around GCC bug causing crashes in Mozilla with SSE2 + * + * When using -msse, gcc generates movdqa instructions assuming that + * the stack is 16 byte aligned. Unfortunately some applications, such + * as Mozilla and Mono, end up aligning the stack to 4 bytes, which + * causes the movdqa instructions to fail. + * + * The __force_align_arg_pointer__ makes gcc generate a prologue that + * realigns the stack pointer to 16 bytes. + * + * On x86-64 this is not necessary because the standard ABI already + * calls for a 16 byte aligned stack. + * + * See https://bugs.freedesktop.org/show_bug.cgi?id=15693 + */ +#if defined (USE_SSE2) && defined(__GNUC__) && !defined(__x86_64__) && !defined(__amd64__) +__attribute__((__force_align_arg_pointer__)) +#endif +PIXMAN_EXPORT void +pixman_image_composite32 (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) { - image->bits.bits = bits; - pixman_region32_translate (&image->common.clip_region, dx, dy); + pixman_format_code_t src_format, mask_format, dest_format; + uint32_t src_flags, mask_flags, dest_flags; + pixman_region32_t region; + pixman_box32_t extents; + pixman_implementation_t *imp; + pixman_composite_func_t func; + + _pixman_image_validate (src); + if (mask) + _pixman_image_validate (mask); + _pixman_image_validate (dest); + + src_format = src->common.extended_format_code; + src_flags = src->common.flags; + + if (mask) + { + mask_format = mask->common.extended_format_code; + mask_flags = mask->common.flags; + } + else + { + mask_format = PIXMAN_null; + mask_flags = FAST_PATH_IS_OPAQUE; + } + + dest_format = dest->common.extended_format_code; + dest_flags = dest->common.flags; + + /* Check for pixbufs */ + if ((mask_format == PIXMAN_a8r8g8b8 || mask_format == PIXMAN_a8b8g8r8) && + (src->type == BITS && src->bits.bits == mask->bits.bits) && + (src->common.repeat == mask->common.repeat) && + (src_x == mask_x && src_y == mask_y)) + { + if (src_format == PIXMAN_x8b8g8r8) + src_format = mask_format = PIXMAN_pixbuf; + else if (src_format == PIXMAN_x8r8g8b8) + src_format = mask_format = PIXMAN_rpixbuf; + } + + pixman_region32_init (®ion); + + if (!pixman_compute_composite_region32 ( + ®ion, src, mask, dest, + src_x, src_y, mask_x, mask_y, dest_x, dest_y, width, height)) + { + goto out; + } + + extents = *pixman_region32_extents (®ion); + + extents.x1 -= dest_x - src_x; + extents.y1 -= dest_y - src_y; + extents.x2 -= dest_x - src_x; + extents.y2 -= dest_y - src_y; + + if (!analyze_extent (src, &extents, &src_flags)) + goto out; + + extents.x1 -= src_x - mask_x; + extents.y1 -= src_y - mask_y; + extents.x2 -= src_x - mask_x; + extents.y2 -= src_y - mask_y; + + if (!analyze_extent (mask, &extents, &mask_flags)) + goto out; + + /* If the clip is within the source samples, and the samples are + * opaque, then the source is effectively opaque. + */ +#define NEAREST_OPAQUE (FAST_PATH_SAMPLES_OPAQUE | \ + FAST_PATH_NEAREST_FILTER | \ + FAST_PATH_SAMPLES_COVER_CLIP_NEAREST) +#define BILINEAR_OPAQUE (FAST_PATH_SAMPLES_OPAQUE | \ + FAST_PATH_BILINEAR_FILTER | \ + FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR) + + if ((src_flags & NEAREST_OPAQUE) == NEAREST_OPAQUE || + (src_flags & BILINEAR_OPAQUE) == BILINEAR_OPAQUE) + { + src_flags |= FAST_PATH_IS_OPAQUE; + } + + if ((mask_flags & NEAREST_OPAQUE) == NEAREST_OPAQUE || + (mask_flags & BILINEAR_OPAQUE) == BILINEAR_OPAQUE) + { + mask_flags |= FAST_PATH_IS_OPAQUE; + } + + /* + * Check if we can replace our operator by a simpler one + * if the src or dest are opaque. The output operator should be + * mathematically equivalent to the source. + */ + op = optimize_operator (op, src_flags, mask_flags, dest_flags); + + if (_pixman_lookup_composite_function ( + get_implementation (), op, + src_format, src_flags, mask_format, mask_flags, dest_format, dest_flags, + &imp, &func)) + { + pixman_composite_info_t info; + const pixman_box32_t *pbox; + int n; + + info.op = op; + info.src_image = src; + info.mask_image = mask; + info.dest_image = dest; + info.src_flags = src_flags; + info.mask_flags = mask_flags; + info.dest_flags = dest_flags; + + pbox = pixman_region32_rectangles (®ion, &n); + + while (n--) + { + info.src_x = pbox->x1 + src_x - dest_x; + info.src_y = pbox->y1 + src_y - dest_y; + info.mask_x = pbox->x1 + mask_x - dest_x; + info.mask_y = pbox->y1 + mask_y - dest_y; + info.dest_x = pbox->x1; + info.dest_y = pbox->y1; + info.width = pbox->x2 - pbox->x1; + info.height = pbox->y2 - pbox->y1; + + func (imp, &info); + + pbox++; + } + } + +out: + pixman_region32_fini (®ion); } PIXMAN_EXPORT void @@ -166,49 +733,8 @@ pixman_image_composite (pixman_op_t op, uint16_t width, uint16_t height) { - uint32_t *src_bits; - int src_dx, src_dy; - uint32_t *mask_bits; - int mask_dx, mask_dy; - uint32_t *dest_bits; - int dest_dx, dest_dy; - - /* - * Check if we can replace our operator by a simpler one - * if the src or dest are opaque. The output operator should be - * mathematically equivalent to the source. - */ - op = pixman_optimize_operator(op, src, mask, dest); - if (op == PIXMAN_OP_DST || - op == PIXMAN_OP_CONJOINT_DST || - op == PIXMAN_OP_DISJOINT_DST) - { - return; - } - - if (!imp) - imp = _pixman_choose_implementation (); - - if (src->common.need_workaround) - apply_workaround (src, &src_x, &src_y, &src_bits, &src_dx, &src_dy); - if (mask && mask->common.need_workaround) - apply_workaround (mask, &mask_x, &mask_y, &mask_bits, &mask_dx, &mask_dy); - if (dest->common.need_workaround) - apply_workaround (dest, &dest_x, &dest_y, &dest_bits, &dest_dx, &dest_dy); - - _pixman_implementation_composite (imp, op, - src, mask, dest, - src_x, src_y, - mask_x, mask_y, - dest_x, dest_y, - width, height); - - if (src->common.need_workaround) - unapply_workaround (src, src_bits, src_dx, src_dy); - if (mask && mask->common.need_workaround) - unapply_workaround (mask, mask_bits, mask_dx, mask_dy); - if (dest->common.need_workaround) - unapply_workaround (dest, dest_bits, dest_dx, dest_dy); + pixman_image_composite32 (op, src, mask, dest, src_x, src_y, + mask_x, mask_y, dest_x, dest_y, width, height); } PIXMAN_EXPORT pixman_bool_t @@ -220,18 +746,16 @@ pixman_blt (uint32_t *src_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) { - if (!imp) - imp = _pixman_choose_implementation (); - - return _pixman_implementation_blt (imp, src_bits, dst_bits, src_stride, dst_stride, + return _pixman_implementation_blt (get_implementation(), + src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp, src_x, src_y, - dst_x, dst_y, + dest_x, dest_y, width, height); } @@ -245,10 +769,8 @@ pixman_fill (uint32_t *bits, int height, uint32_t xor) { - if (!imp) - imp = _pixman_choose_implementation (); - - return _pixman_implementation_fill (imp, bits, stride, bpp, x, y, width, height, xor); + return _pixman_implementation_fill ( + get_implementation(), bits, stride, bpp, x, y, width, height, xor); } static uint32_t @@ -274,9 +796,12 @@ color_to_pixel (pixman_color_t * color, format == PIXMAN_x8b8g8r8 || format == PIXMAN_b8g8r8a8 || format == PIXMAN_b8g8r8x8 || + format == PIXMAN_r8g8b8a8 || + format == PIXMAN_r8g8b8x8 || format == PIXMAN_r5g6b5 || format == PIXMAN_b5g6r5 || - format == PIXMAN_a8)) + format == PIXMAN_a8 || + format == PIXMAN_a1)) { return FALSE; } @@ -295,8 +820,12 @@ color_to_pixel (pixman_color_t * color, ((c & 0x0000ff00) << 8) | ((c & 0x000000ff) << 24); } + if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_RGBA) + c = ((c & 0xff000000) >> 24) | (c << 8); - if (format == PIXMAN_a8) + if (format == PIXMAN_a1) + c = c >> 31; + else if (format == PIXMAN_a8) c = c >> 24; else if (format == PIXMAN_r5g6b5 || format == PIXMAN_b5g6r5) @@ -318,77 +847,116 @@ pixman_image_fill_rectangles (pixman_op_t op, int n_rects, const pixman_rectangle16_t *rects) { + pixman_box32_t stack_boxes[6]; + pixman_box32_t *boxes; + pixman_bool_t result; + int i; + + if (n_rects > 6) + { + boxes = pixman_malloc_ab (sizeof (pixman_box32_t), n_rects); + if (boxes == NULL) + return FALSE; + } + else + { + boxes = stack_boxes; + } + + for (i = 0; i < n_rects; ++i) + { + boxes[i].x1 = rects[i].x; + boxes[i].y1 = rects[i].y; + boxes[i].x2 = boxes[i].x1 + rects[i].width; + boxes[i].y2 = boxes[i].y1 + rects[i].height; + } + + result = pixman_image_fill_boxes (op, dest, color, n_rects, boxes); + + if (boxes != stack_boxes) + free (boxes); + + return result; +} + +PIXMAN_EXPORT pixman_bool_t +pixman_image_fill_boxes (pixman_op_t op, + pixman_image_t * dest, + pixman_color_t * color, + int n_boxes, + const pixman_box32_t *boxes) +{ pixman_image_t *solid; pixman_color_t c; int i; + _pixman_image_validate (dest); + if (color->alpha == 0xffff) { - if (op == PIXMAN_OP_OVER) - op = PIXMAN_OP_SRC; + if (op == PIXMAN_OP_OVER) + op = PIXMAN_OP_SRC; } if (op == PIXMAN_OP_CLEAR) { - c.red = 0; - c.green = 0; - c.blue = 0; - c.alpha = 0; + c.red = 0; + c.green = 0; + c.blue = 0; + c.alpha = 0; - color = &c; + color = &c; - op = PIXMAN_OP_SRC; + op = PIXMAN_OP_SRC; } if (op == PIXMAN_OP_SRC) { - uint32_t pixel; + uint32_t pixel; - if (color_to_pixel (color, &pixel, dest->bits.format)) - { - for (i = 0; i < n_rects; ++i) - { - pixman_region32_t fill_region; - int n_boxes, j; - pixman_box32_t *boxes; - - pixman_region32_init_rect (&fill_region, rects[i].x, rects[i].y, rects[i].width, rects[i].height); - - if (dest->common.have_clip_region) - { - if (!pixman_region32_intersect (&fill_region, - &fill_region, - &dest->common.clip_region)) - return FALSE; - } - - boxes = pixman_region32_rectangles (&fill_region, &n_boxes); - for (j = 0; j < n_boxes; ++j) - { - const pixman_box32_t *box = &(boxes[j]); - pixman_fill (dest->bits.bits, dest->bits.rowstride, PIXMAN_FORMAT_BPP (dest->bits.format), - box->x1, box->y1, box->x2 - box->x1, box->y2 - box->y1, - pixel); - } - - pixman_region32_fini (&fill_region); - } - return TRUE; - } + if (color_to_pixel (color, &pixel, dest->bits.format)) + { + pixman_region32_t fill_region; + int n_rects, j; + pixman_box32_t *rects; + + if (!pixman_region32_init_rects (&fill_region, boxes, n_boxes)) + return FALSE; + + if (dest->common.have_clip_region) + { + if (!pixman_region32_intersect (&fill_region, + &fill_region, + &dest->common.clip_region)) + return FALSE; + } + + rects = pixman_region32_rectangles (&fill_region, &n_rects); + for (j = 0; j < n_rects; ++j) + { + const pixman_box32_t *rect = &(rects[j]); + pixman_fill (dest->bits.bits, dest->bits.rowstride, PIXMAN_FORMAT_BPP (dest->bits.format), + rect->x1, rect->y1, rect->x2 - rect->x1, rect->y2 - rect->y1, + pixel); + } + + pixman_region32_fini (&fill_region); + return TRUE; + } } solid = pixman_image_create_solid_fill (color); if (!solid) - return FALSE; + return FALSE; - for (i = 0; i < n_rects; ++i) + for (i = 0; i < n_boxes; ++i) { - const pixman_rectangle16_t *rect = &(rects[i]); + const pixman_box32_t *box = &(boxes[i]); - pixman_image_composite (op, solid, NULL, dest, - 0, 0, 0, 0, - rect->x, rect->y, - rect->width, rect->height); + pixman_image_composite32 (op, solid, NULL, dest, + 0, 0, 0, 0, + box->x1, box->y1, + box->x2 - box->x1, box->y2 - box->y1); } pixman_image_unref (solid); @@ -464,10 +1032,13 @@ pixman_format_supported_source (pixman_format_code_t format) case PIXMAN_x8b8g8r8: case PIXMAN_b8g8r8a8: case PIXMAN_b8g8r8x8: + case PIXMAN_r8g8b8a8: + case PIXMAN_r8g8b8x8: case PIXMAN_r8g8b8: case PIXMAN_b8g8r8: case PIXMAN_r5g6b5: case PIXMAN_b5g6r5: + case PIXMAN_x14r6g6b6: /* 16 bpp formats */ case PIXMAN_a1r5g5b5: case PIXMAN_x1r5g5b5: @@ -534,3 +1105,36 @@ pixman_format_supported_destination (pixman_format_code_t format) return pixman_format_supported_source (format); } +PIXMAN_EXPORT pixman_bool_t +pixman_compute_composite_region (pixman_region16_t * region, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dest_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_region32_t r32; + pixman_bool_t retval; + + pixman_region32_init (&r32); + + retval = pixman_compute_composite_region32 ( + &r32, src_image, mask_image, dest_image, + src_x, src_y, mask_x, mask_y, dest_x, dest_y, + width, height); + + if (retval) + { + if (!pixman_region16_copy_from_region32 (region, &r32)) + retval = FALSE; + } + + pixman_region32_fini (&r32); + return retval; +}