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add in the work I did for a 16bit engine - for now, a dormant project until i 

can be convinced it provides real and significant speedups that warrant the
significant effort.


SVN revision: 29770
This commit is contained in:
Carsten Haitzler 2007-04-29 15:45:40 +00:00
parent d1b66f89e6
commit 16df9e0047
14 changed files with 2245 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
legacy/evas/configure.in
View File

@ -177,6 +177,53 @@ if test "x$have_evas_software_x11" = "xyes"; then
fi
AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_X11, test "x$have_evas_software_x11" = "xyes")
#######################################
## Check if we should build the software_x11 engine
have_evas_software_16_x11="no";
## Automatic check...
# -- disable software_16 by default - its usefulness as a speedup in 16bit
# seems dubious at this stage.
#AC_CHECK_HEADER(X11/X.h,
# [ have_evas_software_16_x11="yes" ],
# [ have_evas_software_16_x11="no" ]
#)
## Manual override
AC_MSG_CHECKING(whether software 16bit x11 backend is to be built)
AC_ARG_ENABLE(software-16-x11,
AC_HELP_STRING([--enable-software-16-x11],[enable the Software 16bit X11 rendering backend]), [
if test x"$enableval" = x"yes" ; then
AC_MSG_RESULT(yes)
have_evas_software_16_x11="yes"
else
AC_MSG_RESULT(no)
have_evas_software_16_x11="no"
fi
], [
AC_MSG_RESULT($have_evas_software_16_x11)
]
)
if test "x$have_evas_software_16_x11" = "xyes"; then
AC_PATH_XTRA
AC_CHECK_HEADER(X11/X.h,
[
AC_DEFINE(BUILD_ENGINE_SOFTWARE_16_X11, 1, [Software 16bit X11 Rendering Backend])
x_dir=${x_dir:-/usr/X11R6}
x_cflags=${x_cflags:--I${x_includes:-$x_dir/include}}
x_libs="${x_libs:--L${x_libraries:-$x_dir/lib}} -lX11 -lXext"
],
[
AC_MSG_RESULT(disabling software 16bit X11 engine)
have_evas_software_16_x11="no"
]
)
fi
AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_16_X11, test "x$have_evas_software_16_x11" = "xyes")
### if software 16 x11 is enabled - build software_16 (the generic 16bit
### engine). later enable it fb_16 or other "16" bit engines are enabled.
have_evas_software_16=$have_evas_software_16_x11
AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_16, test "x$have_evas_software_16" = "xyes")
#######################################
## Check if we should build the software_xcb engine
have_evas_software_xcb="no";
@ -1985,6 +2032,8 @@ src/modules/engines/cairo_x11/Makefile
src/modules/engines/xrender_x11/Makefile
src/modules/engines/xrender_xcb/Makefile
src/modules/engines/glitz_x11/Makefile
src/modules/engines/software_16/Makefile
src/modules/engines/software_16_x11/Makefile
src/modules/loaders/Makefile
src/modules/loaders/edb/Makefile
src/modules/loaders/eet/Makefile
@ -2033,6 +2082,7 @@ echo " Cairo X11...............: $have_evas_cairo_x11"
echo " XRender X11.............: $have_evas_xrender_x11"
echo " XRender Xcb.............: $have_evas_xrender_xcb"
echo " Glitz X11...............: $have_evas_glitz_x11"
echo " Software 16bit X11......: $have_evas_software_16_x11"
# FIXME: opengl engine needs to be fixed and tested lots for all drivers
# FIXME: xrender engine to be written
echo

4
legacy/evas/src/lib/Evas.h
View File

@ -66,7 +66,9 @@ typedef enum _Evas_Colorspace
EVAS_COLORSPACE_ARGB8888, /**< ARGB 32 bits per pixel, high-byte is Alpha, accessed 1 32bit word at a time */
/* these are not currently supported - but planned for the future */
EVAS_COLORSPACE_YCBCR422P601_PL, /**< YCbCr 4:2:2 Planar, ITU.BT-601 specifications. The data poitned to is just an array of row pointer, pointing to the Y rows, then the Cb, then Cr rows */
EVAS_COLORSPACE_YCBCR422P709_PL /**< YCbCr 4:2:2 Planar, ITU.BT-709 specifications. The data poitned to is just an array of row pointer, pointing to the Y rows, then the Cb, then Cr rows */
EVAS_COLORSPACE_YCBCR422P709_PL,/**< YCbCr 4:2:2 Planar, ITU.BT-709 specifications. The data poitned to is just an array of row pointer, pointing to the Y rows, then the Cb, then Cr rows */
EVAS_COLORSPACE_RGB565, /**< 16bit rgb565 */
EVAS_COLORSPACE_RGB565_A5P /**< 16bit rgb565 + Alpha plane at end - 5 bits of the 8 being used per alpha byte */
} Evas_Colorspace; /**< Colorspaces for pixel data supported by Evas */
typedef struct _Evas_List Evas_List; /**< A generic linked list node handle */

5
legacy/evas/src/lib/canvas/evas_main.c
View File

@ -692,7 +692,7 @@ evas_render_method_list(void)
{
Evas_List *methods = NULL;
/* FIXME: get from modules */
/* FIXME: get from modules - this is currently coded-in */
#ifdef BUILD_ENGINE_SOFTWARE_X11
methods = evas_list_append(methods, strdup("software_x11"));
#endif
@ -705,6 +705,9 @@ evas_render_method_list(void)
#ifdef BUILD_ENGINE_XRENDER_XCB
methods = evas_list_append(methods, strdup("xrender_xcb"));
#endif
#ifdef BUILD_ENGINE_SOFTWARE_16_X11
methods = evas_list_append(methods, strdup("software_16_x11"));
#endif
#ifdef BUILD_ENGINE_GL_X11
methods = evas_list_append(methods, strdup("gl_x11"));
#endif

2
legacy/evas/src/lib/engines/common/evas_image_main.c
View File

@ -425,7 +425,7 @@ evas_common_image_get_cache(void)
EAPI void
evas_common_image_store(RGBA_Image *im)
{
char buf[4096 + 1204];
char buf[4096 + 1024];
if (im->flags & RGBA_IMAGE_IS_DIRTY) return;
if (im->flags & RGBA_IMAGE_INDEXED) return;

4
legacy/evas/src/modules/engines/Makefile.am
View File

@ -15,4 +15,6 @@ software_x11 \
software_xcb \
xrender_x11 \
xrender_xcb \
glitz_x11
glitz_x11 \
software_16 \
software_16_x11

26
legacy/evas/src/modules/engines/software_16/Makefile.am Normal file
View File

@ -0,0 +1,26 @@
AUTOMAKE_OPTIONS = 1.4 foreign
MAINTAINERCLEANFILES = Makefile.in
INCLUDES = -I. -I$(top_srcdir)/src/lib -I$(top_srcdir)/src/lib/include -I$(top_srcdir)/src/modules/engines @FREETYPE_CFLAGS@
if BUILD_ENGINE_SOFTWARE_16
pkgdir = $(libdir)/evas/modules/engines/software_16/$(MODULE_ARCH)
pkg_LTLIBRARIES = module.la
module_la_SOURCES = \
evas_engine.c \
evas_soft16.h \
evas_soft16_main.c
module_la_LIBADD = $(top_builddir)/src/lib/libevas.la
module_la_LDFLAGS = -module -avoid-version -L$(top_builddir)/src/lib -L$(top_builddir)/src/lib/.libs
module_la_DEPENDENCIES = $(top_builddir)/config.h
endif
EXTRA_DIST = \
evas_engine.c \
evas_soft16.h \
evas_soft16_main.c

763
legacy/evas/src/modules/engines/software_16/evas_engine.c Normal file
View File

@ -0,0 +1,763 @@
#include "evas_common.h"
#include "evas_private.h"
#include "evas_soft16.h"
/*
*****
**
** ENGINE ROUTINES
**
*****
*/
static int cpunum = 0;
static void *
eng_context_new(void *data)
{
return evas_common_draw_context_new();
}
static void
eng_context_free(void *data, void *context)
{
evas_common_draw_context_free(context);
}
static void
eng_context_clip_set(void *data, void *context, int x, int y, int w, int h)
{
evas_common_draw_context_set_clip(context, x, y, w, h);
}
static void
eng_context_clip_clip(void *data, void *context, int x, int y, int w, int h)
{
evas_common_draw_context_clip_clip(context, x, y, w, h);
}
static void
eng_context_clip_unset(void *data, void *context)
{
evas_common_draw_context_unset_clip(context);
}
static int
eng_context_clip_get(void *data, void *context, int *x, int *y, int *w, int *h)
{
*x = ((RGBA_Draw_Context *)context)->clip.x;
*y = ((RGBA_Draw_Context *)context)->clip.y;
*w = ((RGBA_Draw_Context *)context)->clip.w;
*h = ((RGBA_Draw_Context *)context)->clip.h;
return ((RGBA_Draw_Context *)context)->clip.use;
}
static void
eng_context_color_set(void *data, void *context, int r, int g, int b, int a)
{
evas_common_draw_context_set_color(context, r, g, b, a);
}
static int
eng_context_color_get(void *data, void *context, int *r, int *g, int *b, int *a)
{
*r = (int)(R_VAL(&((RGBA_Draw_Context *)context)->col.col));
*g = (int)(G_VAL(&((RGBA_Draw_Context *)context)->col.col));
*b = (int)(B_VAL(&((RGBA_Draw_Context *)context)->col.col));
*a = (int)(A_VAL(&((RGBA_Draw_Context *)context)->col.col));
return 1;
}
static void
eng_context_multiplier_set(void *data, void *context, int r, int g, int b, int a)
{
evas_common_draw_context_set_multiplier(context, r, g, b, a);
}
static void
eng_context_multiplier_unset(void *data, void *context)
{
evas_common_draw_context_unset_multiplier(context);
}
static int
eng_context_multiplier_get(void *data, void *context, int *r, int *g, int *b, int *a)
{
*r = (int)(R_VAL(&((RGBA_Draw_Context *)context)->mul.col));
*g = (int)(G_VAL(&((RGBA_Draw_Context *)context)->mul.col));
*b = (int)(B_VAL(&((RGBA_Draw_Context *)context)->mul.col));
*a = (int)(A_VAL(&((RGBA_Draw_Context *)context)->mul.col));
return ((RGBA_Draw_Context *)context)->mul.use;
}
static void
eng_context_cutout_add(void *data, void *context, int x, int y, int w, int h)
{
evas_common_draw_context_add_cutout(context, x, y, w, h);
}
static void
eng_context_cutout_clear(void *data, void *context)
{
evas_common_draw_context_clear_cutouts(context);
}
static void
eng_context_anti_alias_set(void *data, void *context, unsigned char aa)
{
evas_common_draw_context_set_anti_alias(context, aa);
}
static unsigned char
eng_context_anti_alias_get(void *data, void *context)
{
return ((RGBA_Draw_Context *)context)->anti_alias;
}
static void
eng_context_color_interpolation_set(void *data, void *context, int color_space)
{
evas_common_draw_context_set_color_interpolation(context, color_space);
}
static int
eng_context_color_interpolation_get(void *data, void *context)
{
return ((RGBA_Draw_Context *)context)->interpolation.color_space;
}
static void
eng_context_render_op_set(void *data, void *context, int op)
{
evas_common_draw_context_set_render_op(context, op);
}
static int
eng_context_render_op_get(void *data, void *context)
{
return ((RGBA_Draw_Context *)context)->render_op;
}
static void
eng_rectangle_draw(void *data, void *context, void *surface, int x, int y, int w, int h)
{
// evas_common_rectangle_draw(surface, context, x, y, w, h);
// evas_common_cpu_end_opt();
}
static void
eng_line_draw(void *data, void *context, void *surface, int x1, int y1, int x2, int y2)
{
// evas_common_line_draw(surface, context, x1, y1, x2, y2);
// evas_common_cpu_end_opt();
}
static void *
eng_polygon_point_add(void *data, void *context, void *polygon, int x, int y)
{
return NULL;
// return evas_common_polygon_point_add(polygon, x, y);
}
static void *
eng_polygon_points_clear(void *data, void *context, void *polygon)
{
return NULL;
// return evas_common_polygon_points_clear(polygon);
}
static void
eng_polygon_draw(void *data, void *context, void *surface, void *polygon)
{
// evas_common_polygon_draw(surface, context, polygon);
// evas_common_cpu_end_opt();
}
static void *
eng_gradient_new(void *data)
{
return NULL;
// return evas_common_gradient_new();
}
static void
eng_gradient_free(void *data, void *gradient)
{
// evas_common_gradient_free(gradient);
}
static void
eng_gradient_color_stop_add(void *data, void *gradient, int r, int g, int b, int a, int delta)
{
// evas_common_gradient_color_stop_add(gradient, r, g, b, a, delta);
}
static void
eng_gradient_alpha_stop_add(void *data, void *gradient, int a, int delta)
{
// evas_common_gradient_alpha_stop_add(gradient, a, delta);
}
static void
eng_gradient_color_data_set(void *data, void *gradient, void *map, int len, int has_alpha)
{
// evas_common_gradient_color_data_set(gradient, map, len, has_alpha);
}
static void
eng_gradient_alpha_data_set(void *data, void *gradient, void *alpha_map, int len)
{
// evas_common_gradient_alpha_data_set(gradient, alpha_map, len);
}
static void
eng_gradient_clear(void *data, void *gradient)
{
// evas_common_gradient_clear(gradient);
}
static void
eng_gradient_fill_set(void *data, void *gradient, int x, int y, int w, int h)
{
// evas_common_gradient_fill_set(gradient, x, y, w, h);
}
static void
eng_gradient_fill_angle_set(void *data, void *gradient, double angle)
{
// evas_common_gradient_fill_angle_set(gradient, angle);
}
static void
eng_gradient_fill_spread_set(void *data, void *gradient, int spread)
{
// evas_common_gradient_fill_spread_set(gradient, spread);
}
static void
eng_gradient_angle_set(void *data, void *gradient, double angle)
{
// evas_common_gradient_map_angle_set(gradient, angle);
}
static void
eng_gradient_offset_set(void *data, void *gradient, float offset)
{
// evas_common_gradient_map_offset_set(gradient, offset);
}
static void
eng_gradient_direction_set(void *data, void *gradient, int direction)
{
// evas_common_gradient_map_direction_set(gradient, direction);
}
static void
eng_gradient_type_set(void *data, void *gradient, char *name, char *params)
{
// evas_common_gradient_type_set(gradient, name, params);
}
static int
eng_gradient_is_opaque(void *data, void *context, void *gradient, int x, int y, int w, int h)
{
return 0;
// RGBA_Draw_Context *dc = (RGBA_Draw_Context *)context;
// RGBA_Gradient *gr = (RGBA_Gradient *)gradient;
//
// if (!dc || !gr || !gr->type.geometer) return 0;
// return !(gr->type.geometer->has_alpha(gr, dc->render_op) |
// gr->type.geometer->has_mask(gr, dc->render_op));
}
static int
eng_gradient_is_visible(void *data, void *context, void *gradient, int x, int y, int w, int h)
{
return 0;
// RGBA_Draw_Context *dc = (RGBA_Draw_Context *)context;
//
// if (!dc || !gradient) return 0;
// return 1;
}
static void
eng_gradient_render_pre(void *data, void *context, void *gradient)
{
// RGBA_Draw_Context *dc = (RGBA_Draw_Context *)context;
// RGBA_Gradient *gr = (RGBA_Gradient *)gradient;
// int len;
//
// if (!dc || !gr || !gr->type.geometer) return;
// gr->type.geometer->geom_set(gr);
// len = gr->type.geometer->get_map_len(gr);
// evas_common_gradient_map(dc, gr, len);
}
static void
eng_gradient_render_post(void *data, void *gradient)
{
}
static void
eng_gradient_draw(void *data, void *context, void *surface, void *gradient, int x, int y, int w, int h)
{
// evas_common_gradient_draw(surface, context, x, y, w, h, gradient);
// evas_common_cpu_end_opt();
}
static int
eng_image_alpha_get(void *data, void *image)
{
Soft16_Image *im;
if (!image) return 0;
im = image;
if (im->have_alpha) return 1;
return 0;
}
static int
eng_image_colorspace_get(void *data, void *image)
{
Soft16_Image *im;
if (!image) return EVAS_COLORSPACE_RGB565;
im = image;
if (im->have_alpha) return EVAS_COLORSPACE_RGB565_A5P;
return EVAS_COLORSPACE_RGB565;
}
static void *
eng_image_alpha_set(void *data, void *image, int has_alpha)
{
// FIXME: implement
return image;
}
static void *
eng_image_border_set(void *data, void *image, int l, int r, int t, int b)
{
return image;
}
static void
eng_image_border_get(void *data, void *image, int *l, int *r, int *t, int *b)
{
}
static char *
eng_image_comment_get(void *data, void *image, char *key)
{
return NULL;
}
static char *
eng_image_format_get(void *data, void *image)
{
return NULL;
}
static void
eng_image_colorspace_set(void *data, void *image, int cspace)
{
// FIXME: implement
}
static void
eng_image_native_set(void *data, void *image, void *native)
{
}
static void *
eng_image_native_get(void *data, void *image)
{
return NULL;
}
static void *
eng_image_load(void *data, const char *file, const char *key, int *error, Evas_Image_Load_Opts *lo)
{
return soft16_image_load(file, key, error, lo);
}
static void *
eng_image_new_from_data(void *data, int w, int h, DATA32 *image_data, int alpha, int cspace)
{
// FIXME: implement
return NULL;
}
static void *
eng_image_new_from_copied_data(void *data, int w, int h, DATA32 *image_data, int alpha, int cspace)
{
// FIXME: implement
return NULL;
}
static void
eng_image_free(void *data, void *image)
{
soft16_image_free(image);
}
static void
eng_image_size_get(void *data, void *image, int *w, int *h)
{
Soft16_Image *im;
if (w) *w = 0;
if (h) *h = 0;
if (!image) return;
im = image;
if (w) *w = im->w;
if (h) *h = im->h;
}
static void *
eng_image_size_set(void *data, void *image, int w, int h)
{
// FIXME: implement
return image;
}
static void *
eng_image_dirty_region(void *data, void *image, int x, int y, int w, int h)
{
// FIXME: implement
return image;
}
static void *
eng_image_data_get(void *data, void *image, int to_write, DATA32 **image_data)
{
// FIXME: implement
*image_data = NULL;
return image;
}
static void *
eng_image_data_put(void *data, void *image, DATA32 *image_data)
{
// FIXME: implement
return image;
}
static void
eng_image_draw(void *data, void *context, void *surface, void *image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int dst_w, int dst_h, int smooth)
{
soft16_image_load_data(image);
soft16_image_draw(image, surface, context,
src_x, src_y, src_w, src_h,
dst_x, dst_y, dst_w, dst_h,
smooth);
}
static void
eng_image_cache_flush(void *data)
{
int tmp_size;
tmp_size = evas_common_image_get_cache();
evas_common_image_set_cache(0);
evas_common_image_set_cache(tmp_size);
}
static void
eng_image_cache_set(void *data, int bytes)
{
evas_common_image_set_cache(bytes);
}
static int
eng_image_cache_get(void *data)
{
return evas_common_image_get_cache();
}
static void *
eng_font_load(void *data, const char *name, int size)
{
return evas_common_font_load(name, size);
}
static void *
eng_font_memory_load(void *data, char *name, int size, const void *fdata, int fdata_size)
{
return evas_common_font_memory_load(name, size, fdata, fdata_size);
}
static void *
eng_font_add(void *data, void *font, const char *name, int size)
{
return evas_common_font_add(font, name, size);
}
static void *
eng_font_memory_add(void *data, void *font, char *name, int size, const void *fdata, int fdata_size)
{
return evas_common_font_memory_add(font, name, size, fdata, fdata_size);
}
static void
eng_font_free(void *data, void *font)
{
evas_common_font_free(font);
}
static int
eng_font_ascent_get(void *data, void *font)
{
return evas_common_font_ascent_get(font);
}
static int
eng_font_descent_get(void *data, void *font)
{
return evas_common_font_descent_get(font);
}
static int
eng_font_max_ascent_get(void *data, void *font)
{
return evas_common_font_max_ascent_get(font);
}
static int
eng_font_max_descent_get(void *data, void *font)
{
return evas_common_font_max_descent_get(font);
}
static void
eng_font_string_size_get(void *data, void *font, const char *text, int *w, int *h)
{
evas_common_font_query_size(font, text, w, h);
}
static int
eng_font_inset_get(void *data, void *font, const char *text)
{
return evas_common_font_query_inset(font, text);
}
static int
eng_font_h_advance_get(void *data, void *font, const char *text)
{
int h, v;
evas_common_font_query_advance(font, text, &h, &v);
return h;
}
static int
eng_font_v_advance_get(void *data, void *font, const char *text)
{
int h, v;
evas_common_font_query_advance(font, text, &h, &v);
return v;
}
static int
eng_font_char_coords_get(void *data, void *font, const char *text, int pos, int *cx, int *cy, int *cw, int *ch)
{
return evas_common_font_query_char_coords(font, text, pos, cx, cy, cw, ch);
}
static int
eng_font_char_at_coords_get(void *data, void *font, const char *text, int x, int y, int *cx, int *cy, int *cw, int *ch)
{
return evas_common_font_query_text_at_pos(font, text, x, y, cx, cy, cw, ch);
}
static void
eng_font_draw(void *data, void *context, void *surface, void *font, int x, int y, int w, int h, int ow, int oh, const char *text)
{
// evas_common_font_draw(surface, context, font, x, y, text);
// evas_common_cpu_end_opt();
}
static void
eng_font_cache_flush(void *data)
{
evas_common_font_flush();
}
static void
eng_font_cache_set(void *data, int bytes)
{
evas_common_font_cache_set(bytes);
}
static int
eng_font_cache_get(void *data)
{
return evas_common_font_cache_get();
}
static void
eng_font_hinting_set(void *data, void *font, int hinting)
{
evas_common_font_hinting_set(font, hinting);
}
static int
eng_font_hinting_can_hint(void *data, int hinting)
{
return evas_common_hinting_available(hinting);
}
/*
*****
**
** ENGINE API
**
*****
*/
static Evas_Func func =
{
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
/* draw context virtual methods */
eng_context_new,
eng_context_free,
eng_context_clip_set,
eng_context_clip_clip,
eng_context_clip_unset,
eng_context_clip_get,
eng_context_color_set,
eng_context_color_get,
eng_context_multiplier_set,
eng_context_multiplier_unset,
eng_context_multiplier_get,
eng_context_cutout_add,
eng_context_cutout_clear,
eng_context_anti_alias_set,
eng_context_anti_alias_get,
eng_context_color_interpolation_set,
eng_context_color_interpolation_get,
eng_context_render_op_set,
eng_context_render_op_get,
/* rect draw funcs */
eng_rectangle_draw,
/* line draw funcs */
eng_line_draw,
/* polygon draw funcs */
eng_polygon_point_add,
eng_polygon_points_clear,
eng_polygon_draw,
/* gradient draw funcs */
eng_gradient_new,
eng_gradient_free,
eng_gradient_color_stop_add,
eng_gradient_alpha_stop_add,
eng_gradient_color_data_set,
eng_gradient_alpha_data_set,
eng_gradient_clear,
eng_gradient_fill_set,
eng_gradient_fill_angle_set,
eng_gradient_fill_spread_set,
eng_gradient_angle_set,
eng_gradient_offset_set,
eng_gradient_direction_set,
eng_gradient_type_set,
eng_gradient_is_opaque,
eng_gradient_is_visible,
eng_gradient_render_pre,
eng_gradient_render_post,
eng_gradient_draw,
/* image draw funcs */
eng_image_load,
eng_image_new_from_data,
eng_image_new_from_copied_data,
eng_image_free,
eng_image_size_get,
eng_image_size_set,
eng_image_dirty_region,
eng_image_data_get,
eng_image_data_put,
eng_image_alpha_set,
eng_image_alpha_get,
eng_image_border_set,
eng_image_border_get,
eng_image_draw,
eng_image_comment_get,
eng_image_format_get,
eng_image_colorspace_set,
eng_image_colorspace_get,
eng_image_native_set,
eng_image_native_get,
/* image cache funcs */
eng_image_cache_flush,
eng_image_cache_set,
eng_image_cache_get,
/* font draw functions */
eng_font_load,
eng_font_memory_load,
eng_font_add,
eng_font_memory_add,
eng_font_free,
eng_font_ascent_get,
eng_font_descent_get,
eng_font_max_ascent_get,
eng_font_max_descent_get,
eng_font_string_size_get,
eng_font_inset_get,
eng_font_h_advance_get,
eng_font_v_advance_get,
eng_font_char_coords_get,
eng_font_char_at_coords_get,
eng_font_draw,
/* font cache functions */
eng_font_cache_flush,
eng_font_cache_set,
eng_font_cache_get,
/* font hinting functions */
eng_font_hinting_set,
eng_font_hinting_can_hint
/* FUTURE software generic calls go here */
};
/*
*****
**
** MODULE ACCESSIBLE API API
**
*****
*/
EAPI int
module_open(Evas_Module *em)
{
if (!em) return 0;
em->functions = (void *)(&func);
cpunum = evas_common_cpu_count();
return 1;
}
EAPI void
module_close(void)
{
}
EAPI Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION,
EVAS_MODULE_TYPE_ENGINE,
"software_16",
"none"
};

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#ifndef EVAS_SOFT16_H
#define EVAS_SOFT16_H
#include "Evas.h"
#include "evas_private.h"
#include "evas_common.h"
typedef struct _Soft16_Image Soft16_Image;
struct _Soft16_Image
{
const char *file; // file source - optional
const char *key; // key within file source - optional
time_t timestamp; // file modified timestamp
time_t laststat; // last time this file was statted
int w, h; // width and height in pixels
int stride; // pixel stride - likely a multiple of 2
DATA16 *pixels; // 16bpp pixels rgb565
DATA8 *alpha; // 8bit alpha mask - optional. points into pixels
int references; // refcount
RGBA_Image *source_im; // original source rgba image - if still reffed
Evas_Image_Load_Opts lo; // load options
unsigned char have_alpha : 1; // 1 if we have halpha
unsigned char free_pixels : 1; // 1 if pixels should be freed
unsigned char free_alpha : 1; // 1 if alpha mask should be freed
};
Soft16_Image *soft16_image_new(int w, int h, int stride, int have_alpha,
DATA16 *pixels, int copy);
void soft16_image_free(Soft16_Image *im);
Soft16_Image *soft16_image_load(const char *file, const char *key, int *error,
Evas_Image_Load_Opts *lo);
void soft16_image_load_data(Soft16_Image *im);
void soft16_image_draw(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h,
int smooth);
#endif

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#include "evas_common.h"
#include "evas_private.h"
#include "evas_soft16.h"
#define BLEND(s, a, d) \
{ DATA32 wsp, wdp; \
wsp = (*s | (*s << 16)) & 0x07e0f81f; \
wdp = (*d | (*d << 16)) & 0x07e0f81f; \
wdp = (((wdp * (32 - *a)) >> 5) & 0x07e0f81f) + wsp; \
*d = wdp | (wdp >> 16); \
}
typedef void (*Scanline_Func) (DATA16 *s, DATA8 *a, DATA8 *m, DATA32 c, DATA16 *d, int l);
static void
_soft16_image_rgba32_import(Soft16_Image *im, DATA32 *src);
static void
_soft16_image_draw_sampled_int(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h);
static void
_soft16_scanline_blend(DATA16 *s, DATA8 *a, DATA8 *m, DATA32 c, DATA16 *d, int l);
static void
_soft16_scanline_copy(DATA16 *s, DATA8 *a, DATA8 *m, DATA32 c, DATA16 *d, int l);
static Evas_Hash *_soft16_image_cache_hash = NULL;
Soft16_Image *
soft16_image_new(int w, int h, int stride, int have_alpha, DATA16 *pixels, int copy)
{
Soft16_Image *im;
im = calloc(1, sizeof(Soft16_Image));
if (!im) return NULL;
im->w = w;
im->h = h;
im->stride = w;
if (copy)
{
if (have_alpha)
{
im->pixels = malloc((im->stride * im->h * sizeof(DATA16)) +
(im->stride * im->h * sizeof(DATA8)));
if (!im->pixels)
{
free(im);
return NULL;
}
im->alpha = (DATA8 *)(im->pixels + (im->stride * im->h));
if (pixels)
memcpy(im->pixels, pixels,
(im->stride * im->h * sizeof(DATA16)) +
(im->stride * im->h * sizeof(DATA8)));
}
else
{
im->pixels = malloc(im->stride * im->h * sizeof(DATA16));
if (!im->pixels)
{
free(im);
return NULL;
}
if (pixels)
memcpy(im->pixels, pixels,
im->stride * im->h * sizeof(DATA16));
}
im->free_pixels = 1;
}
else
{
im->pixels = pixels;
if (have_alpha) im->alpha = (DATA8 *)(im->pixels + (im->stride * im->h));
}
im->references = 1;
return im;
}
void
soft16_image_free(Soft16_Image *im)
{
if (!im) return;
im->references--;
if (im->references > 0) return;
if (im->file)
{
char buf[4096 + 1024];
if ((im->lo.scale_down_by == 0) && (im->lo.dpi == 0.0) &&
((im->lo.w == 0) || (im->lo.h == 0)))
{
if (im->key)
snprintf(buf, sizeof(buf), "%s//://%s", im->file, im->key);
else
snprintf(buf, sizeof(buf), "%s", im->file);
}
else
{
if (im->key)
snprintf(buf, sizeof(buf), "//@/%i/%1.5f/%ix%i//%s//://%s",
im->lo.scale_down_by, im->lo.dpi, im->lo.w, im->lo.h,
im->file, im->key);
else
snprintf(buf, sizeof(buf), "//@/%i/%1.5f/%ix%i//%s",
im->lo.scale_down_by, im->lo.dpi, im->lo.w, im->lo.h,
im->file);
}
_soft16_image_cache_hash = evas_hash_del(_soft16_image_cache_hash,
buf, im);
}
if (im->file) evas_stringshare_del(im->file);
if (im->key) evas_stringshare_del(im->key);
if (im->free_pixels) free(im->pixels);
free(im);
}
#define STAT_GAP 2
Soft16_Image *
soft16_image_load(const char *file, const char *key, int *error,
Evas_Image_Load_Opts *lo)
{
Soft16_Image *im;
RGBA_Image *sim;
char buf[4096 + 1024];
struct stat st;
static time_t laststat = 0;
time_t t, mt = 0;
*error = 0;
if (!(lo) ||
((lo->scale_down_by == 0) && (lo->dpi == 0.0) &&
((lo->w == 0) || (lo->h == 0))))
{
if (key)
snprintf(buf, sizeof(buf), "%s//://%s", file, key);
else
snprintf(buf, sizeof(buf), "%s", file);
}
else
{
if (key)
snprintf(buf, sizeof(buf), "//@/%i/%1.5f/%ix%i//%s//://%s",
lo->scale_down_by, lo->dpi, lo->w, lo->h, file, key);
else
snprintf(buf, sizeof(buf), "//@/%i/%1.5f/%ix%i//%s",
lo->scale_down_by, lo->dpi, lo->w, lo->h, file);
}
im = evas_hash_find(_soft16_image_cache_hash, buf);
if (im)
{
if ((t - im->laststat) < STAT_GAP)
{
im->references++;
return im;
}
else
{
struct stat st;
if (stat(file, &st) < 0) return NULL;
mt = st.st_mtime;
if (mt == im->timestamp)
{
im->laststat = t;
laststat = t;
im->references++;
return im;
}
}
}
sim = evas_common_load_image_from_file(file, key, lo);
if (!sim) return NULL;
im = calloc(1, sizeof(Soft16_Image));
if (!im)
{
evas_common_image_unref(sim);
return NULL;
}
im->source_im = sim;
im->w = im->source_im->image->w;
im->h = im->source_im->image->h;
im->stride = im->w;
im->timestamp = im->source_im->timestamp;
im->laststat = im->source_im->laststat;
if (lo) im->lo = *lo;
if (file) im->file = evas_stringshare_add(file);
if (key) im->key = evas_stringshare_add(key);
if (im->source_im->flags & RGBA_IMAGE_HAS_ALPHA) im->have_alpha = 1;
im->references = 1;
_soft16_image_cache_hash = evas_hash_add(_soft16_image_cache_hash, buf, im);
return im;
}
static void
_soft16_image_rgba32_import(Soft16_Image *im, DATA32 *src)
{
DATA32 *sp, r, g, b, a;
DATA16 *dp, *dpl;
DATA8 *da, *dal;
int x, y;
/* FIXME: dither and optimize */
sp = src;
dpl = im->pixels;
dal = im->alpha;
if (dal)
{
for (y = 0; y < im->h; y++)
{
dp = dpl;
da = dal;
for (x = 0; x < im->w; x++)
{
a = (A_VAL(sp) * 32) / 255;
r = (R_VAL(sp) >> 3);
g = (G_VAL(sp) >> 2);
b = (B_VAL(sp) >> 3);
/* FIXME: not sure about this yet - also need to check alpha is not letss that G when alpha is upscaled to 6bits */
*da = a; /* scale 0-32 - yes, 1 over 5bits - makes bitshift math later work better */
if ((*da << 1) < g) g--;
*dp = (r << 11) | (g << 5) | (b);
dp++;
da++;
sp++;
}
dpl += im->stride;
dal += im->stride;
}
}
else
{
for (y = 0; y < im->h; y++)
{
dp = dpl;
for (x = 0; x < im->w; x++)
{
*dp =
((R_VAL(sp) >> 3) << 11) |
((G_VAL(sp) >> 2) << 5 ) |
((B_VAL(sp) >> 3) );
dp++;
sp++;
}
dpl += im->stride;
}
}
}
void
soft16_image_load_data(Soft16_Image *im)
{
if (!im) return;
if (im->pixels) return;
if (!im->source_im) return;
evas_common_load_image_data_from_file(im->source_im);
if (im->source_im->image->data)
{
if (im->source_im->flags & RGBA_IMAGE_HAS_ALPHA)
{
im->pixels = malloc((im->stride * im->h * sizeof(DATA16)) +
(im->stride * im->h * sizeof(DATA8)));
if (!im->pixels) goto done;
im->alpha = (DATA8 *)(im->pixels + (im->stride * im->h));
}
else
{
im->pixels = malloc(im->stride * im->h * sizeof(DATA16));
if (!im->pixels) goto done;
}
_soft16_image_rgba32_import(im, im->source_im->image->data);
im->free_pixels = 1;
}
done:
evas_common_image_unref(im->source_im);
im->source_im = NULL;
}
static void
_soft16_image_draw_sampled_int(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h)
{
Scanline_Func func;
int x, y;
int *lin_ptr;
DATA16 *buf, *dptr;
DATA16 **row_ptr = NULL;
DATA16 *ptr, *dst_ptr, *src_data, *dst_data;
DATA8 *bufa, *daptr;
DATA8 **rowa_ptr = NULL;
DATA8 *aptr, *dsta_ptr, *srca_data, *dsta_data;
int dst_jump, dst_stride, src_stride;
int dst_clip_x, dst_clip_y, dst_clip_w, dst_clip_h;
int src_w, src_h, dst_w, dst_h;
if (!(RECTS_INTERSECT(dst_region_x, dst_region_y, dst_region_w, dst_region_h, 0, 0, dst->w, dst->h)))
return;
if (!(RECTS_INTERSECT(src_region_x, src_region_y, src_region_w, src_region_h, 0, 0, src->w, src->h)))
return;
src_w = src->w;
src_h = src->h;
dst_w = dst->w;
dst_h = dst->h;
if (dc->clip.use)
{
dst_clip_x = dc->clip.x;
dst_clip_y = dc->clip.y;
dst_clip_w = dc->clip.w;
dst_clip_h = dc->clip.h;
if (dst_clip_x < 0)
{
dst_clip_w += dst_clip_x;
dst_clip_x = 0;
}
if (dst_clip_y < 0)
{
dst_clip_h += dst_clip_y;
dst_clip_y = 0;
}
if ((dst_clip_x + dst_clip_w) > dst_w)
dst_clip_w = dst_w - dst_clip_x;
if ((dst_clip_y + dst_clip_h) > dst_h)
dst_clip_h = dst_h - dst_clip_y;
}
else
{
dst_clip_x = 0;
dst_clip_y = 0;
dst_clip_w = dst_w;
dst_clip_h = dst_h;
}
if (dst_clip_x < dst_region_x)
{
dst_clip_w += dst_clip_x - dst_region_x;
dst_clip_x = dst_region_x;
}
if ((dst_clip_x + dst_clip_w) > (dst_region_x + dst_region_w))
dst_clip_w = dst_region_x + dst_region_w - dst_clip_x;
if (dst_clip_y < dst_region_y)
{
dst_clip_h += dst_clip_y - dst_region_y;
dst_clip_y = dst_region_y;
}
if ((dst_clip_y + dst_clip_h) > (dst_region_y + dst_region_h))
dst_clip_h = dst_region_y + dst_region_h - dst_clip_y;
if ((src_region_w <= 0) || (src_region_h <= 0) ||
(dst_region_w <= 0) || (dst_region_h <= 0) ||
(dst_clip_w <= 0) || (dst_clip_h <= 0))
return;
/* sanitise x */
if (src_region_x < 0)
{
dst_region_x -= (src_region_x * dst_region_w) / src_region_w;
dst_region_w += (src_region_x * dst_region_w) / src_region_w;
src_region_w += src_region_x;
src_region_x = 0;
}
if (src_region_x >= src_w) return;
if ((src_region_x + src_region_w) > src_w)
{
dst_region_w = (dst_region_w * (src_w - src_region_x)) / (src_region_w);
src_region_w = src_w - src_region_x;
}
if (dst_region_w <= 0) return;
if (src_region_w <= 0) return;
if (dst_clip_x < 0)
{
dst_clip_w += dst_clip_x;
dst_clip_x = 0;
}
if (dst_clip_w <= 0) return;
if (dst_clip_x >= dst_w) return;
if (dst_clip_x < dst_region_x)
{
dst_clip_w += (dst_clip_x - dst_region_x);
dst_clip_x = dst_region_x;
}
if ((dst_clip_x + dst_clip_w) > dst_w)
{
dst_clip_w = dst_w - dst_clip_x;
}
if (dst_clip_w <= 0) return;
/* sanitise y */
if (src_region_y < 0)
{
dst_region_y -= (src_region_y * dst_region_h) / src_region_h;
dst_region_h += (src_region_y * dst_region_h) / src_region_h;
src_region_h += src_region_y;
src_region_y = 0;
}
if (src_region_y >= src_h) return;
if ((src_region_y + src_region_h) > src_h)
{
dst_region_h = (dst_region_h * (src_h - src_region_y)) / (src_region_h);
src_region_h = src_h - src_region_y;
}
if (dst_region_h <= 0) return;
if (src_region_h <= 0) return;
if (dst_clip_y < 0)
{
dst_clip_h += dst_clip_y;
dst_clip_y = 0;
}
if (dst_clip_h <= 0) return;
if (dst_clip_y >= dst_h) return;
if (dst_clip_y < dst_region_y)
{
dst_clip_h += (dst_clip_y - dst_region_y);
dst_clip_y = dst_region_y;
}
if ((dst_clip_y + dst_clip_h) > dst_h)
{
dst_clip_h = dst_h - dst_clip_y;
}
if (dst_clip_h <= 0) return;
src_data = src->pixels;
srca_data = src->alpha;
dst_data = dst->pixels;
dsta_data = dst->alpha;
dst_stride = dst->stride;
src_stride = src->stride;
/* figure out dest start ptr */
dst_ptr = dst_data + dst_clip_x + (dst_clip_y * dst_stride);
dsta_ptr = dsta_data + dst_clip_x + (dst_clip_y * dst_stride);
func = _soft16_scanline_copy;
if (( src->alpha) && ( dst->alpha)) func = _soft16_scanline_blend;
else if (( src->alpha) && (!dst->alpha)) func = _soft16_scanline_blend;
else if ((!src->alpha) && ( dst->alpha)) func = _soft16_scanline_copy;
else if ((!src->alpha) && (!dst->alpha)) func = _soft16_scanline_copy;
/* not being scaled at all */
if ((dst_region_w == src_region_w) && (dst_region_h == src_region_h))
{
ptr = src_data + ((dst_clip_y - dst_region_y + src_region_y) * src_stride) + (dst_clip_x - dst_region_x) + src_region_x;
aptr = srca_data + ((dst_clip_y - dst_region_y + src_region_y) * src_stride) + (dst_clip_x - dst_region_x) + src_region_x;
for (y = 0; y < dst_clip_h; y++)
{
/* * blend here [clip_w *] ptr -> dst_ptr * */
func(ptr, aptr, NULL, dc->mul.col, dst_ptr, dst_clip_w);
ptr += src_stride;
aptr += src_stride;
dst_ptr += dst_stride;
}
}
else
{
/* allocate scale lookup tables */
lin_ptr = alloca(dst_clip_w * sizeof(int));
row_ptr = alloca(dst_clip_h * sizeof(DATA16 *));
rowa_ptr = alloca(dst_clip_h * sizeof(DATA8 *));
/* fill scale tables */
for (x = 0; x < dst_clip_w; x++)
lin_ptr[x] = (((x + dst_clip_x - dst_region_x) * src_region_w) / dst_region_w) + src_region_x;
for (y = 0; y < dst_clip_h; y++)
{
row_ptr[y] = src_data +
(((((y + dst_clip_y - dst_region_y) * src_region_h) /
dst_region_h) + src_region_y) * src_stride);
rowa_ptr[y] = srca_data +
(((((y + dst_clip_y - dst_region_y) * src_region_h) /
dst_region_h) + src_region_y) * src_stride);
}
/* scale to dst */
dptr = dst_ptr;
daptr = dsta_ptr;
if ((!(src->alpha)) && (!(dst->alpha)) && (!dc->mul.use))
{
for (y = 0; y < dst_clip_h; y++)
{
dst_ptr = dptr;
for (x = 0; x < dst_clip_w; x++)
{
ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
}
dptr += dst_stride;
}
}
else
{
/* a scanline buffer */
buf = alloca(dst_clip_w * sizeof(DATA16) * 2);
if (src->alpha)
{
bufa = alloca(dst_clip_w * sizeof(DATA8) * 2);
for (y = 0; y < dst_clip_h; y++)
{
dst_ptr = dptr;
for (x = 0; x < dst_clip_w; x++)
{
ptr = row_ptr[y] + lin_ptr[x];
aptr = rowa_ptr[y] + lin_ptr[x];
BLEND(ptr, aptr, dst_ptr);
dst_ptr++;
}
/*
dst_ptr = buf;
dsta_ptr = bufa;
for (x = 0; x < dst_clip_w; x++)
{
ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
aptr = rowa_ptr[y] + lin_ptr[x];
*dsta_ptr = *aptr;
dsta_ptr++;
}
func(buf, bufa, NULL, dc->mul.col, dptr, dst_clip_w);
*/
dptr += dst_stride;
}
}
else
{
for (y = 0; y < dst_clip_h; y++)
{
dst_ptr = dptr;
for (x = 0; x < dst_clip_w; x++)
{
ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
}
/*
dst_ptr = buf;
for (x = 0; x < dst_clip_w; x++)
{
ptr = row_ptr[y] + lin_ptr[x];
*dst_ptr = *ptr;
dst_ptr++;
}
func(buf, NULL, NULL, dc->mul.col, dptr, dst_clip_w);
*/
dptr += dst_stride;
}
}
}
}
}
void
soft16_image_draw(Soft16_Image *src, Soft16_Image *dst,
RGBA_Draw_Context *dc,
int src_region_x, int src_region_y,
int src_region_w, int src_region_h,
int dst_region_x, int dst_region_y,
int dst_region_w, int dst_region_h,
int smooth)
{
Cutout_Rects *rects;
Cutout_Rect *r;
int c, cx, cy, cw, ch;
int i;
/* handle cutouts here! */
if ((dst_region_w <= 0) || (dst_region_h <= 0)) return;
if (!(RECTS_INTERSECT(dst_region_x, dst_region_y, dst_region_w, dst_region_h, 0, 0, dst->w, dst->h)))
return;
/* no cutouts - cut right to the chase */
if (!dc->cutout.rects)
{
_soft16_image_draw_sampled_int(src, dst, dc,
src_region_x, src_region_y,
src_region_w, src_region_h,
dst_region_x, dst_region_y,
dst_region_w, dst_region_h);
return;
}
/* save out clip info */
c = dc->clip.use; cx = dc->clip.x; cy = dc->clip.y; cw = dc->clip.w; ch = dc->clip.h;
evas_common_draw_context_clip_clip(dc, 0, 0, dst->w, dst->h);
evas_common_draw_context_clip_clip(dc, dst_region_x, dst_region_y, dst_region_w, dst_region_h);
/* our clip is 0 size.. abort */
if ((dc->clip.w <= 0) || (dc->clip.h <= 0))
{
dc->clip.use = c; dc->clip.x = cx; dc->clip.y = cy; dc->clip.w = cw; dc->clip.h = ch;
return;
}
rects = evas_common_draw_context_apply_cutouts(dc);
for (i = 0; i < rects->active; i++)
{
r = rects->rects + i;
evas_common_draw_context_set_clip(dc, r->x, r->y, r->w, r->h);
_soft16_image_draw_sampled_int(src, dst, dc,
src_region_x, src_region_y,
src_region_w, src_region_h,
dst_region_x, dst_region_y,
dst_region_w, dst_region_h);
}
evas_common_draw_context_apply_clear_cutouts(rects);
/* restore clip info */
dc->clip.use = c; dc->clip.x = cx; dc->clip.y = cy; dc->clip.w = cw; dc->clip.h = ch;
}
static void
_soft16_scanline_blend(DATA16 *s, DATA8 *a, DATA8 *m, DATA32 c, DATA16 *d, int l)
{
DATA16 *e = d + l;
DATA32 wsp, wdp;
DATA32 xsp, xdp;
DATA32 ysp, ydp;
DATA32 zsp, zdp;
/*
if (((unsigned long)(((DATA8 *)s)) & 0x3) ==
(((unsigned long)((DATA8 *)d)) & 0x3))
{
if (((unsigned long)(((DATA8 *)s)) & 0x3) == 2)
{
wsp = (*s | (*s << 16)) & 0x07e0f81f;
wdp = (*d | (*d << 16)) & 0x07e0f81f;
wdp = (((wdp * (32 - *a)) >> 5) & 0x07e0f81f) + wsp;
*d = wdp | (wdp >> 16);
s++; a++; d++;
}
e -= 3;
while (d < e)
{
wsp = (s[0] | (s[0] << 16)) & 0x07e0f81f;
xsp = (s[1] | (s[1] << 16)) & 0x07e0f81f;
ysp = (s[2] | (s[2] << 16)) & 0x07e0f81f;
zsp = (s[3] | (s[3] << 16)) & 0x07e0f81f;
wdp = (d[0] | (d[0] << 16)) & 0x07e0f81f;
xdp = (d[1] | (d[1] << 16)) & 0x07e0f81f;
ydp = (d[2] | (d[2] << 16)) & 0x07e0f81f;
zdp = (d[3] | (d[3] << 16)) & 0x07e0f81f;
wdp = (((wdp * (32 - a[0])) >> 5) & 0x07e0f81f) + wsp;
xdp = (((xdp * (32 - a[1])) >> 5) & 0x07e0f81f) + xsp;
ydp = (((ydp * (32 - a[2])) >> 5) & 0x07e0f81f) + ysp;
zdp = (((zdp * (32 - a[3])) >> 5) & 0x07e0f81f) + zsp;
*((DATA32 *)d) =
((xdp | (xdp >> 16)) << 16) |
((wdp | (wdp >> 16)) & 0x0000ffff);
d += 2;
*((DATA32 *)d) =
((zdp | (zdp >> 16)) << 16) |
((ydp | (ydp >> 16)) & 0x0000ffff);
d += 2;
s += 4; a += 4;
}
e += 3;
while (d < e)
{
wsp = (*s | (*s << 16)) & 0x07e0f81f;
wdp = (*d | (*d << 16)) & 0x07e0f81f;
wdp = (((wdp * (32 - *a)) >> 5) & 0x07e0f81f) + wsp;
*d = wdp | (wdp >> 16);
s++; a++; d++;
}
}
else
*/
{
while (d < e)
{
wsp = (*s | (*s << 16)) & 0x07e0f81f;
wdp = (*d | (*d << 16)) & 0x07e0f81f;
wdp = (((wdp * (32 - *a)) >> 5) & 0x07e0f81f) + wsp;
*d = wdp | (wdp >> 16);
s++; a++; d++;
}
}
}
//#define MEMCPY 1
//#define SIMPLE 1
static void
_soft16_scanline_copy(DATA16 *s, DATA8 *a, DATA8 *m, DATA32 c, DATA16 *d, int l)
{
#ifdef MEMCPY
memcpy(d, s, l * sizeof(DATA16));
#else
DATA16 *e = d + l;
#ifdef SIMPLE
while (d < e)
{
*d = *s;
d++;
s++;
}
#else
if (((unsigned long)(((DATA8 *)s)) & 0x3) ==
(((unsigned long)((DATA8 *)d)) & 0x3))
{
if (((unsigned long)(((DATA8 *)s)) & 0x3) == 2)
{
*d = *s;
d++;
s++;
}
e -= 1;
while (d < e)
{
*((DATA32 *)d) = *((DATA32 *)s);
d += 2;
s += 2;
}
e += 1;
if (d < e)
{
*d = *s;
}
}
else
{
while (d < e)
{
*d = *s;
d++;
s++;
}
}
#endif
#endif
}

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#ifndef _EVAS_ENGINE_SOFTWARE_16_X11_H
#define _EVAS_ENGINE_SOFTWARE_16_X11_H
#include <X11/Xlib.h>
typedef struct _Evas_Engine_Info_Software_16_X11 Evas_Engine_Info_Software_16_X11;
struct _Evas_Engine_Info_Software_16_X11
{
/* PRIVATE - don't mess with this baby or evas will poke its tongue out */
/* at you and make nasty noises */
Evas_Engine_Info magic;
/* engine specific data & parameters it needs to set up */
struct {
Display *display;
Drawable drawable;
} info;
};
#endif

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AUTOMAKE_OPTIONS = 1.4 foreign
MAINTAINERCLEANFILES = Makefile.in
INCLUDES = -I. -I$(top_srcdir)/src/lib -I$(top_srcdir)/src/lib/include -I$(top_srcdir)/src/modules/engines -I$(top_srcdir)/src/modules/engines/software_16 @FREETYPE_CFLAGS@ @x_cflags@
if BUILD_ENGINE_SOFTWARE_16_X11
pkgdir = $(libdir)/evas/modules/engines/software_16_x11/$(MODULE_ARCH)
pkg_LTLIBRARIES = module.la
module_la_SOURCES = \
evas_engine.h \
evas_engine.c \
evas_x_buffer.c
module_la_LIBADD = @x_libs@ $(top_builddir)/src/lib/libevas.la
module_la_LDFLAGS = -module -avoid-version -L$(top_builddir)/src/lib -L$(top_builddir)/src/lib/.libs
module_la_DEPENDENCIES = $(top_builddir)/config.h
include_HEADERS = Evas_Engine_Software_16_X11.h
endif
EXTRA_DIST = \
evas_engine.h \
evas_engine.c \
evas_x_buffer.c \
Evas_Engine_Software_16_X11.h

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#include "evas_common.h"
#include "evas_private.h"
#include "evas_engine.h"
#include "Evas_Engine_Software_16_X11.h"
#include "evas_soft16.h"
/* function tables - filled in later (func and parent func) */
static Evas_Func func, pfunc;
/* engine struct data */
typedef struct _Render_Engine Render_Engine;
struct _Render_Engine
{
Display *disp;
Drawable draw;
GC gc;
int w, h;
Tilebuf *tb;
Tilebuf_Rect *rects;
Tilebuf_Rect *cur_rect;
X_Output_Buffer *shbuf;
unsigned char end : 1;
unsigned char shm : 1;
};
/* prototypes we will use here */
static void *eng_info(Evas *e);
static void eng_info_free(Evas *e, void *info);
static void eng_setup(Evas *e, void *info);
static void eng_output_free(void *data);
static void eng_output_resize(void *data, int w, int h);
static void eng_output_tile_size_set(void *data, int w, int h);
static void eng_output_redraws_rect_add(void *data, int x, int y, int w, int h);
static void eng_output_redraws_rect_del(void *data, int x, int y, int w, int h);
static void eng_output_redraws_clear(void *data);
static void *eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch);
static void eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h);
static void eng_output_flush(void *data);
/* engine api this module provides */
static void *
eng_info(Evas *e)
{
Evas_Engine_Info_Software_16_X11 *info;
info = calloc(1, sizeof(Evas_Engine_Info_Software_16_X11));
if (!info) return NULL;
info->magic.magic = rand();
return info;
e = NULL;
}
static void
eng_info_free(Evas *e, void *info)
{
Evas_Engine_Info_Software_16_X11 *in;
in = (Evas_Engine_Info_Software_16_X11 *)info;
free(in);
}
static void
eng_setup(Evas *e, void *in)
{
Render_Engine *re;
Evas_Engine_Info_Software_16_X11 *info;
X_Output_Buffer *xob;
XGCValues gcv;
info = (Evas_Engine_Info_Software_16_X11 *)in;
if (!e->engine.data.output)
{
/* the only check - simplistic, i know, but enough for this
* "special purpose" engine. Remember it is meant to be used
* for limited power devices that have a 16bit display mode
* and no real other acceleration, and high resolution so we
* can pre-dither into 16bpp. */
// if (DefaultDepth(info->info.display,
// DefaultScreen(info->info.display)) != 16)
// return;
/* do common routine init - we wil at least use it for core
* image loading and font loading/glyph rendering & placement */
evas_common_cpu_init();
evas_common_blend_init();
evas_common_image_init();
evas_common_convert_init();
evas_common_scale_init();
evas_common_rectangle_init();
evas_common_gradient_init();
evas_common_polygon_init();
evas_common_line_init();
evas_common_font_init();
evas_common_draw_init();
evas_common_tilebuf_init();
/* render engine specific data */
re = calloc(1, sizeof(Render_Engine));
e->engine.data.output = re;
re->disp = info->info.display;
re->draw = info->info.drawable;
re->gc = XCreateGC(re->disp, re->draw, 0, &gcv);
re->w = e->output.w;
re->h = e->output.h;
re->tb = evas_common_tilebuf_new(e->output.w, e->output.h);
if (re->tb)
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
}
else
{
/* we changed the info after first init - do a re-eval where
* appropriate */
// if (DefaultDepth(info->info.display,
// DefaultScreen(info->info.display)) != 16)
// return;
re = e->engine.data.output;
if (re->tb) evas_common_tilebuf_free(re->tb);
re->disp = info->info.display;
re->draw = info->info.drawable;
XFreeGC(re->disp, re->gc);
re->gc = XCreateGC(re->disp, re->draw, 0, &gcv);
re->w = e->output.w;
re->h = e->output.h;
re->tb = evas_common_tilebuf_new(e->output.w, e->output.h);
if (re->tb)
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
}
if (!e->engine.data.output) return;
/* add a draw context if we dont have one */
if (!e->engine.data.context)
e->engine.data.context =
e->engine.func->context_new(e->engine.data.output);
/* check if the display can do shm */
re->shm = evas_software_x11_x_can_do_shm(re->disp);
}
static void
eng_output_free(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
if (re->gc) XFreeGC(re->disp, re->gc);
if (re->tb) evas_common_tilebuf_free(re->tb);
if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
free(re);
evas_common_font_shutdown();
evas_common_image_shutdown();
}
static void
eng_output_resize(void *data, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_free(re->tb);
re->w = w;
re->h = h;
re->tb = evas_common_tilebuf_new(w, h);
if (re->tb)
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
}
static void
eng_output_tile_size_set(void *data, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_set_tile_size(re->tb, w, h);
}
static void
eng_output_redraws_rect_add(void *data, int x, int y, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_add_redraw(re->tb, x, y, w, h);
}
static void
eng_output_redraws_rect_del(void *data, int x, int y, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_del_redraw(re->tb, x, y, w, h);
}
static void
eng_output_redraws_clear(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_common_tilebuf_clear(re->tb);
}
static void *
eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, int *cx, int *cy, int *cw, int *ch)
{
Render_Engine *re;
Soft16_Image *surface = NULL;
Tilebuf_Rect *rect;
int ux, uy, uw, uh;
re = (Render_Engine *)data;
if (re->end)
{
if (re->shbuf)
{
evas_software_x11_x_output_buffer_free(re->shbuf, 0);
re->shbuf = NULL;
}
re->end = 0;
return NULL;
}
if (!re->rects)
{
int mw, mh;
mw = 0;
mh = 0;
re->rects = evas_common_tilebuf_get_render_rects(re->tb);
re->cur_rect = re->rects;
for (rect = re->cur_rect; rect; rect = (Tilebuf_Rect *)(rect->_list_data.next))
{
if (rect->w > mw) mw = rect->w;
if (rect->h > mh) mh = rect->h;
}
if (re->rects)
re->shbuf = evas_software_x11_x_output_buffer_new
(re->disp, DefaultVisual(re->disp, DefaultScreen(re->disp)),
DefaultDepth(re->disp, DefaultScreen(re->disp)), mw, mh, 1, NULL);
}
if ((!re->cur_rect) || (!re->shbuf))
{
if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
re->rects = NULL;
if (re->shbuf)
{
evas_software_x11_x_output_buffer_free(re->shbuf, 0);
re->shbuf = NULL;
}
return NULL;
}
rect = re->cur_rect;
ux = rect->x; uy = rect->y; uw = rect->w; uh = rect->h;
re->cur_rect = (Tilebuf_Rect *)(re->cur_rect->_list_data.next);
if (!re->cur_rect)
{
evas_common_tilebuf_free_render_rects(re->rects);
re->rects = NULL;
re->end = 1;
}
surface = re->shbuf;
surface->w = uw;
surface->h = uh;
*cx = 0; *cy = 0; *cw = uw; *ch = uh;
*x = ux; *y = uy; *w = uw; *h = uh;
return surface;
}
static void
eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h)
{
Render_Engine *re;
re = (Render_Engine *)data;
evas_software_x11_x_output_buffer_paste(surface, re->draw, re->gc,
x, y, w, h, 1);
// evas_software_x11_outbuf_push_updated_region(re->ob, surface, x, y, w, h);
// evas_software_x11_outbuf_free_region_for_update(re->ob, surface);
// evas_common_cpu_end_opt();
}
static void
eng_output_flush(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
/* FIXME: later on defer the eng_output_redraws_next_update_push() until
* flush and keep a list */
// evas_software_x11_outbuf_flush(re->ob);
}
/* module advertising code */
EAPI int
module_open(Evas_Module *em)
{
if (!em) return 0;
/* get whatever engine module we inherit from */
if (!_evas_module_engine_inherit(&pfunc, "software_16")) return 0;
/* store it for later use */
func = pfunc;
/* now to override methods */
#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
ORD(info);
ORD(info_free);
ORD(setup);
ORD(output_free);
ORD(output_resize);
ORD(output_tile_size_set);
ORD(output_redraws_rect_add);
ORD(output_redraws_rect_del);
ORD(output_redraws_clear);
ORD(output_redraws_next_update_get);
ORD(output_redraws_next_update_push);
ORD(output_flush);
/* now advertise out own api */
em->functions = (void *)(&func);
return 1;
}
EAPI void
module_close(void)
{
}
EAPI Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION,
EVAS_MODULE_TYPE_ENGINE,
"software_16_x11",
"none"
};

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#ifndef EVAS_ENGINE_H
#define EVAS_ENGINE_H
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/XShm.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include "evas_soft16.h"
typedef struct _X_Output_Buffer X_Output_Buffer;
struct _X_Output_Buffer
{
Soft16_Image im;
Display *display;
XImage *xim;
XShmSegmentInfo *shm_info;
void *data;
};
/****/
void evas_software_x11_x_init (void);
int evas_software_x11_x_can_do_shm (Display *d);
X_Output_Buffer *evas_software_x11_x_output_buffer_new (Display *d, Visual *v, int depth, int w, int h, int try_shm, void *data);
void evas_software_x11_x_output_buffer_free (X_Output_Buffer *xob, int sync);
void evas_software_x11_x_output_buffer_paste (X_Output_Buffer *xob, Drawable d, GC gc, int x, int y, int w, int h, int sync);
DATA8 *evas_software_x11_x_output_buffer_data (X_Output_Buffer *xob, int *bytes_per_line_ret);
int evas_software_x11_x_output_buffer_depth (X_Output_Buffer *xob);
int evas_software_x11_x_output_buffer_byte_order (X_Output_Buffer *xob);
int evas_software_x11_x_output_buffer_bit_order (X_Output_Buffer *xob);
#endif

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#include "evas_common.h"
#include "evas_engine.h"
static int _x_err = 0;
int
evas_software_x11_x_can_do_shm(Display *d)
{
static Display *cached_d = NULL;
static int cached_result = 0;
if (d == cached_d) return cached_result;
cached_d = d;
if (XShmQueryExtension(d))
{
X_Output_Buffer *xob;
xob = evas_software_x11_x_output_buffer_new
(d, DefaultVisual(d, DefaultScreen(d)),
DefaultDepth(d, DefaultScreen(d)), 16, 16, 2, NULL);
if (!xob)
{
cached_result = 0;
return 0;
}
evas_software_x11_x_output_buffer_free(xob, 1);
cached_result = 1;
return 1;
}
cached_result = 0;
return 0;
}
static void
x_output_tmp_x_err(Display * d, XErrorEvent * ev)
{
_x_err = 1;
return;
}
X_Output_Buffer *
evas_software_x11_x_output_buffer_new(Display *d, Visual *v, int depth, int w, int h, int try_shm, void *data)
{
X_Output_Buffer *xob;
xob = calloc(1, sizeof(X_Output_Buffer));
if (!xob) return NULL;
xob->display = d;
xob->xim = NULL;
xob->shm_info = NULL;
if (try_shm > 0)
{
xob->shm_info = malloc(sizeof(XShmSegmentInfo));
if (xob->shm_info)
{
xob->xim = XShmCreateImage(d, v, depth, ZPixmap, NULL,
xob->shm_info, w, h);
if (xob->xim)
{
xob->shm_info->shmid = shmget(IPC_PRIVATE,
xob->xim->bytes_per_line *
xob->xim->height,
IPC_CREAT | 0777);
if (xob->shm_info->shmid >= 0)
{
xob->shm_info->readOnly = False;
xob->shm_info->shmaddr = xob->xim->data =
shmat(xob->shm_info->shmid, 0, 0);
if (xob->shm_info->shmaddr != NULL)
{
XErrorHandler ph;
XSync(d, False);
_x_err = 0;
ph = XSetErrorHandler((XErrorHandler)
x_output_tmp_x_err);
XShmAttach(d, xob->shm_info);
XSync(d, False);
XSetErrorHandler((XErrorHandler)ph);
if (!_x_err)
{
xob->im.pixels = xob->xim->data;
xob->im.w = w;
xob->im.h = h;
xob->im.stride = xob->xim->bytes_per_line / sizeof(DATA16);
xob->im.references = 1;
return xob;
}
}
shmdt(xob->shm_info->shmaddr);
shmctl(xob->shm_info->shmid, IPC_RMID, 0);
}
if (xob->xim) XDestroyImage(xob->xim);
xob->xim = NULL;
}
if (xob->shm_info) free(xob->shm_info);
xob->shm_info = NULL;
}
}
if (try_shm > 1) return NULL;
xob->xim = XCreateImage(d, v, depth, ZPixmap, 0, data, w, h, 32, 0);
if (!xob->xim)
{
free(xob);
return NULL;
}
xob->data = data;
if (!xob->xim->data)
{
xob->xim->data = malloc(xob->xim->bytes_per_line * xob->xim->height);
if (!xob->xim->data)
{
XDestroyImage(xob->xim);
free(xob);
return NULL;
}
}
xob->im.pixels = xob->xim->data;
xob->im.w = w;
xob->im.h = h;
xob->im.stride = xob->xim->bytes_per_line / sizeof(DATA16);
xob->im.references = 1;
return xob;
}
void
evas_software_x11_x_output_buffer_free(X_Output_Buffer *xob, int sync)
{
if (xob->shm_info)
{
if (sync) XSync(xob->display, False);
XShmDetach(xob->display, xob->shm_info);
XDestroyImage(xob->xim);
shmdt(xob->shm_info->shmaddr);
shmctl(xob->shm_info->shmid, IPC_RMID, 0);
free(xob->shm_info);
}
else
{
if (xob->data) xob->xim->data = NULL;
XDestroyImage(xob->xim);
}
free(xob);
}
void
evas_software_x11_x_output_buffer_paste(X_Output_Buffer *xob, Drawable d, GC gc, int x, int y, int w, int h, int sync)
{
if (xob->shm_info)
{
XShmPutImage(xob->display, d, gc, xob->xim, 0, 0, x, y, w, h, False);
if (sync) XSync(xob->display, False);
}
else
XPutImage(xob->display, d, gc, xob->xim, 0, 0, x, y, w, h);
}
DATA8 *
evas_software_x11_x_output_buffer_data(X_Output_Buffer *xob, int *bytes_per_line_ret)
{
if (bytes_per_line_ret) *bytes_per_line_ret = xob->xim->bytes_per_line;
return xob->xim->data;
}
int
evas_software_x11_x_output_buffer_depth(X_Output_Buffer *xob)
{
return xob->xim->bits_per_pixel;
}
int
evas_software_x11_x_output_buffer_byte_order(X_Output_Buffer *xob)
{
return xob->xim->byte_order;
}
int
evas_software_x11_x_output_buffer_bit_order(X_Output_Buffer *xob)
{
return xob->xim->bitmap_bit_order;
}