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16 bits software directdraw engine. Mainly for win ce users, I guess 

SVN revision: 32020
This commit is contained in:
doursse 2007-10-08 19:08:42 +00:00 committed by doursse
parent 1bb9022482
commit 2898660d8a
12 changed files with 953 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
legacy/evas/Makefile.am
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@ -21,6 +21,7 @@ MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess \
evas-xrender-x11.pc \
evas-xrender-xcb.pc \
evas-software-ddraw.pc \
evas-software-16-ddraw.pc \
evas-direct3d.pc \
evas-sdl.pc \
evas.pc \
@ -46,6 +47,7 @@ EXTRA_DIST = AUTHORS COPYING COPYING-PLAIN evas.c.in gendoc \
evas-xrender-x11.pc \
evas-xrender-xcb.pc \
evas-software-ddraw.pc \
evas-software-16-ddraw.pc \
evas-direct3d.pc \
evas-sdl.pc \
evas.pc \
@ -130,6 +132,10 @@ if BUILD_ENGINE_SOFTWARE_DDRAW
psoftwareddraw = evas-software-ddraw.pc
endif
if BUILD_ENGINE_SOFTWARE_16_DDRAW
psoftwared16draw = evas-software-16-ddraw.pc
endif
if BUILD_ENGINE_DIRECT3D
pdirect3d = evas-direct3d.pc
endif
@ -143,4 +149,4 @@ pkgconfig_DATA = \
evas.pc $(psoftwarex11) $(psoftwarexcb) $(pdirectfb) $(pframebuffer) \
$(psoftwarebuffer) $(psoftwareqtopia) $(popenglx11) $(pcairox11) \
$(pxrenderx11) $(pxrenderxcb) $(pglitzx11) $(psoftwareddraw) $(psdl) \
$(psoftware16x11) $(pdirect3d)
$(psoftware16x11) $(pdirect3d) $(psoftwared16draw)

51
legacy/evas/configure.in
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@ -170,16 +170,14 @@ AC_CHECK_HEADER(ddraw.h,
AC_MSG_CHECKING(whether software directdraw backend is to be built)
AC_ARG_ENABLE(software-ddraw, AC_HELP_STRING([--enable-software-ddraw],[enable the Software DirectDraw rendering backend]), [
if test x"$enableval" = x"yes" ; then
AC_MSG_RESULT(yes)
have_evas_software_ddraw="yes"
else
AC_MSG_RESULT(no)
have_evas_software_ddraw="no"
fi
], [
AC_MSG_RESULT($have_evas_software_ddraw)
]
]
)
AC_MSG_RESULT($have_evas_software_ddraw)
if test "x$have_evas_software_ddraw" = "xyes"; then
AC_CHECK_HEADER(ddraw.h,
[
@ -194,6 +192,40 @@ if test "x$have_evas_software_ddraw" = "xyes"; then
fi
AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_DDRAW, test "x$have_evas_software_ddraw" = "xyes")
#######################################
## Check if we should build the 16bit software_ddraw engine
have_evas_software_16_ddraw="no";
## Automatic check...
AC_CHECK_HEADER(ddraw.h,
[ have_evas_software_16_ddraw="yes" ],
[ have_evas_software_16_ddraw="no" ]
)
## Manual override
AC_MSG_CHECKING(whether 16bit software directdraw backend is to be built)
AC_ARG_ENABLE(software-16-ddraw, AC_HELP_STRING([--enable-software-16-ddraw],[enable the 16bit Software DirectDraw rendering backend]), [
if test x"$enableval" = x"yes" ; then
have_evas_software_16_ddraw="yes"
else
have_evas_software_16_ddraw="no"
fi
]
)
AC_MSG_RESULT($have_evas_software_16_ddraw)
if test "x$have_evas_software_16_ddraw" = "xyes"; then
AC_CHECK_HEADER(ddraw.h,
[
AC_DEFINE(BUILD_ENGINE_SOFTWARE_16_DDRAW, 1, [16bit Software DirectDraw Rendering Backend])
ddraw_16_libs="-lddraw -lgdi32"
],
[
AC_MSG_RESULT(disabling software DirectDraw engine)
have_evas_software_16_ddraw="no"
]
)
fi
AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_16_DDRAW, test "x$have_evas_software_16_ddraw" = "xyes")
#######################################
## Check if we should build the direct3d engine
@ -317,7 +349,10 @@ AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_16_X11, test "x$have_evas_software_16_x11"
### if software 16 x11 is enabled - build software_16 (the generic 16bit
### engine). later enable it fb_16 or other "16" bit engines are enabled.
have_evas_software_16=$have_evas_software_16_x11
have_evas_software_16="no"
if test "x$have_evas_software_16_x11" = "xyes" -o "x$have_evas_software_16_ddraw" = "xyes"; then
have_evas_software_16="yes"
fi
AM_CONDITIONAL(BUILD_ENGINE_SOFTWARE_16, test "x$have_evas_software_16" = "xyes")
#######################################
@ -2128,6 +2163,7 @@ fi
AC_SUBST(VALGRIND_CFLAGS)
AC_SUBST(ddraw_libs)
AC_SUBST(ddraw_16_libs)
AC_SUBST(direct3d_libs)
AC_SUBST(glew_libs)
@ -2185,6 +2221,7 @@ evas-software-xcb.pc
evas-xrender-x11.pc
evas-xrender-xcb.pc
evas-software-ddraw.pc
evas-software-16-ddraw.pc
evas-direct3d.pc
evas-sdl.pc
evas.pc
@ -2226,6 +2263,7 @@ src/modules/engines/software_sdl/Makefile
src/modules/engines/glitz_x11/Makefile
src/modules/engines/software_16/Makefile
src/modules/engines/software_16_x11/Makefile
src/modules/engines/software_16_ddraw/Makefile
src/modules/loaders/Makefile
src/modules/loaders/edb/Makefile
src/modules/loaders/eet/Makefile
@ -2276,6 +2314,7 @@ 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"
echo " Software 16bit Directdraw...: $have_evas_software_16_ddraw"
# FIXME: opengl engine needs to be fixed and tested lots for all drivers
# FIXME: xrender engine to be written
echo

3
legacy/evas/evas-software-16-ddraw.pc.in Normal file
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@ -0,0 +1,3 @@
Name: evas-software-16-ddraw
Description: Evas 16bit software DirectDaw engine
Version: @VERSION@

3
legacy/evas/src/lib/canvas/evas_main.c
View File

@ -706,6 +706,9 @@ evas_render_method_list(void)
#ifdef BUILD_ENGINE_SOFTWARE_DDRAW
methods = evas_list_append(methods, strdup("software_ddraw"));
#endif
#ifdef BUILD_ENGINE_SOFTWARE_16_DDRAW
methods = evas_list_append(methods, strdup("software_16_ddraw"));
#endif
#ifdef BUILD_ENGINE_DIRECT3D
methods = evas_list_append(methods, strdup("direct3d"));
#endif

3
legacy/evas/src/modules/engines/Makefile.am
View File

@ -21,4 +21,5 @@ software_sdl \
glitz_x11 \
software_16 \
software_16_x11 \
direct3d
direct3d \
software_16_ddraw

2
legacy/evas/src/modules/engines/software_16/Makefile.am
View File

@ -20,7 +20,7 @@ evas_soft16_font.c \
evas_soft16_rectangle.c
module_la_LIBADD = $(top_builddir)/src/lib/libevas.la
module_la_LDFLAGS = -module -avoid-version -L$(top_builddir)/src/lib -L$(top_builddir)/src/lib/.libs
module_la_LDFLAGS = @create_shared_lib@ -module -avoid-version -L$(top_builddir)/src/lib -L$(top_builddir)/src/lib/.libs
module_la_DEPENDENCIES = $(top_builddir)/config.h
endif

29
legacy/evas/src/modules/engines/software_16_ddraw/Evas_Engine_Software_16_DDraw.h Normal file
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@ -0,0 +1,29 @@
#ifndef __EVAS_ENGINE_SOFTWARE_16_DDRAW_H__
#define __EVAS_ENGINE_SOFTWARE_16_DDRAW_H__
#include <windows.h>
#include <ddraw.h>
typedef struct _Evas_Engine_Info_Software_16_DDraw Evas_Engine_Info_Software_16_DDraw;
struct _Evas_Engine_Info_Software_16_DDraw
{
/* PRIVATE - don't mess with this baby or evas will poke its tongue out */
/* at you and make nasty noises */
Evas_Engine_Info magic;
struct {
HWND window;
LPDIRECTDRAW object; /* DirectDraw object */
LPDIRECTDRAWSURFACE surface_primary; /* DirectDraw primary surface */
LPDIRECTDRAWSURFACE surface_back; /* DirectDraw back surface */
LPDIRECTDRAWSURFACE surface_source; /* DirectDraw source surface */
int depth;
int rotation;
} info;
};
#endif /* __EVAS_ENGINE_SOFTWARE_16_DDRAW_H__ */

32
legacy/evas/src/modules/engines/software_16_ddraw/Makefile.am Normal file
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@ -0,0 +1,32 @@
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@
if BUILD_ENGINE_SOFTWARE_16_DDRAW
pkgdir = $(libdir)/evas/modules/engines/software_16_ddraw/$(MODULE_ARCH)
pkg_LTLIBRARIES = module.la
module_la_SOURCES = \
evas_engine.h \
evas_engine.c \
evas_ddraw_buffer.c \
evas_ddraw_main.c
module_la_LIBADD = @ddraw_16_libs@ $(top_builddir)/src/lib/libevas.la
module_la_LDFLAGS = @create_shared_lib@ -module -avoid-version -L$(top_builddir)/src/lib -L$(top_builddir)/src/lib/.libs
module_la_DEPENDENCIES = $(top_builddir)/config.h
include_HEADERS = Evas_Engine_Software_16_DDraw.h
endif
EXTRA_DIST = \
evas_engine.h \
evas_engine.c \
evas_ddraw_buffer.c \
evas_ddraw_main.c \
Evas_Engine_Software_16_DDraw.h

86
legacy/evas/src/modules/engines/software_16_ddraw/evas_ddraw_buffer.c Normal file
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@ -0,0 +1,86 @@
#include "evas_common.h"
#include "evas_engine.h"
DDraw_Output_Buffer *
evas_software_ddraw_output_buffer_new(HWND window,
LPDIRECTDRAW object,
LPDIRECTDRAWSURFACE surface_primary,
LPDIRECTDRAWSURFACE surface_back,
LPDIRECTDRAWSURFACE surface_source,
int width,
int height)
{
DDSURFACEDESC2 surface_desc;
DDraw_Output_Buffer *ddob;
ddob = calloc(1, sizeof(DDraw_Output_Buffer));
if (!ddob) return NULL;
ddob->dd.window = window;
ddob->dd.object = object;
ddob->dd.surface_primary = surface_primary;
ddob->dd.surface_back = surface_back;
ddob->dd.surface_source = surface_source;
ddob->width = width;
ddob->height = height;
ddob->pitch = width * 2;
ZeroMemory(&surface_desc, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
if (FAILED(IDirectDrawSurface7_Lock(ddob->dd.surface_source, NULL,
&surface_desc,
DDLOCK_WAIT | DDLOCK_SURFACEMEMORYPTR,
NULL)))
{
free(ddob);
return NULL;
}
ddob->im.pixels = surface_desc.lpSurface;
ddob->im.w = width;
ddob->im.h = height;
ddob->im.stride = width;
ddob->im.references = 1;
if (FAILED(IDirectDrawSurface7_Unlock(ddob->dd.surface_source, NULL)))
{
free(ddob);
return NULL;
}
return ddob;
}
void
evas_software_ddraw_output_buffer_free(DDraw_Output_Buffer *ddob, int sync)
{
free(ddob);
}
void
evas_software_ddraw_output_buffer_paste(DDraw_Output_Buffer *ddob)
{
RECT dst_rect;
RECT src_rect;
POINT p;
SetRect(&src_rect, 0, 0, ddob->width, ddob->height);
if (FAILED(IDirectDrawSurface7_BltFast(ddob->dd.surface_back,
0, 0,
ddob->dd.surface_source,
&src_rect,
DDBLTFAST_NOCOLORKEY | DDBLTFAST_WAIT)))
return;
p.x = 0;
p.y = 0;
ClientToScreen(ddob->dd.window, &p);
GetClientRect(ddob->dd.window, &dst_rect);
OffsetRect(&dst_rect, p.x, p.y);
IDirectDrawSurface7_Blt(ddob->dd.surface_primary, &dst_rect,
ddob->dd.surface_back, &src_rect,
DDBLT_WAIT, NULL);
}

83
legacy/evas/src/modules/engines/software_16_ddraw/evas_ddraw_main.c Normal file
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@ -0,0 +1,83 @@
#include "evas_engine.h"
void *
evas_software_ddraw_lock(DDraw_Output_Buffer *ddob, int *ddraw_width, int *ddraw_height, int *ddraw_pitch, int *ddraw_depth)
{
DDSURFACEDESC2 surface_desc;
DDSURFACEDESC *sd;
ZeroMemory(&surface_desc, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
sd = (DDSURFACEDESC *)&surface_desc;
if (FAILED(IDirectDrawSurface7_Lock(ddob->dd.surface_back, NULL,
sd,
DDLOCK_WAIT | DDLOCK_SURFACEMEMORYPTR,
NULL)))
return NULL;
*ddraw_width = surface_desc.dwWidth;
*ddraw_height = surface_desc.dwHeight;
*ddraw_pitch = surface_desc.lPitch;
*ddraw_depth = surface_desc.ddpfPixelFormat.dwRGBBitCount >> 3;
return surface_desc.lpSurface;
}
void
evas_software_ddraw_unlock_and_flip(DDraw_Output_Buffer *ddob)
{
RECT dst_rect;
RECT src_rect;
POINT p;
if (FAILED(IDirectDrawSurface7_Unlock(ddob->dd.surface_back, NULL)))
return;
/* we figure out where on the primary surface our window lives */
p.x = 0;
p.y = 0;
ClientToScreen(ddob->dd.window, &p);
GetClientRect(ddob->dd.window, &dst_rect);
OffsetRect(&dst_rect, p.x, p.y);
SetRect(&src_rect, 0, 0, ddob->width, ddob->height);
/* nothing to do if the function fails, so we don't check the result */
IDirectDrawSurface7_BltFast(ddob->dd.surface_primary, 0, 0,
ddob->dd.surface_back, &dst_rect,
DDBLTFAST_WAIT || DDBLTFAST_NOCOLORKEY);
}
void
evas_software_ddraw_surface_resize(DDraw_Output_Buffer *ddob)
{
DDSURFACEDESC2 surface_desc;
DDSURFACEDESC2 *sd;
if (!ddob)
printf (" AIE AIE pas de ddob\n");
if (!ddob->dd.surface_back)
printf (" AIE AIE pas de surface_back\n");
IDirectDrawSurface7_Release(ddob->dd.surface_back);
memset (&surface_desc, 0, sizeof (surface_desc));
surface_desc.dwSize = sizeof (surface_desc);
/* FIXME: that code does not compile. Must know why */
#if 0
surface_desc.dwFlags = DDSD_HEIGHT | DDSD_WIDTH;
surface_desc.dwWidth = width;
surface_desc.dwHeight = height;
IDirectDrawSurface7_SetSurfaceDesc(ddob->dd.surface_back, &surface_desc, NULL);
#else
surface_desc.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
surface_desc.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
surface_desc.dwWidth = ddob->width;
surface_desc.dwHeight = ddob->height;
/* Hack to cleanly remove a warning */
sd = &surface_desc;
IDirectDraw7_CreateSurface(ddob->dd.object,
(DDSURFACEDESC *)sd,
&ddob->dd.surface_back,
NULL);
#endif
}

614
legacy/evas/src/modules/engines/software_16_ddraw/evas_engine.c Normal file
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@ -0,0 +1,614 @@
#include "evas_common.h"
#include "evas_private.h"
#include "evas_engine.h"
#include "Evas_Engine_Software_16_DDraw.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
{
HWND window;
LPDIRECTDRAW object;
LPDIRECTDRAWSURFACE surface_primary;
LPDIRECTDRAWSURFACE surface_back;
LPDIRECTDRAWSURFACE surface_source;
int width;
int height;
int rotation;
Tilebuf *tb;
Tilebuf_Rect *rects;
Tilebuf_Rect *cur_rect;
DDraw_Output_Buffer *ddob;
Soft16_Image *tmp_out; /* used by indirect render, like rotation */
HRGN clip_rects;
unsigned char end : 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);
static void eng_output_idle_flush(void *data);
/* engine api this module provides */
static void *
eng_info(Evas *e)
{
Evas_Engine_Info_Software_16_DDraw *info;
info = calloc(1, sizeof(Evas_Engine_Info_Software_16_DDraw));
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_DDraw *in;
in = (Evas_Engine_Info_Software_16_DDraw *)info;
free(in);
}
static void
_tmp_out_free(Soft16_Image *tmp_out)
{
free(tmp_out->pixels);
free(tmp_out);
}
static void
_tmp_out_alloc(Render_Engine *re)
{
Tilebuf_Rect *r;
int w = 0, h = 0;
for (r = re->rects; r; r = (Tilebuf_Rect *)(r->_list_data.next))
{
if (r->w > w) w = r->w;
if (r->h > h) h = r->h;
}
if (re->tmp_out)
{
if ((re->tmp_out->w < w) || (re->tmp_out->h < h))
{
_tmp_out_free(re->tmp_out);
re->tmp_out = NULL;
}
}
if (!re->tmp_out)
{
Soft16_Image *im;
im = calloc(1, sizeof(Soft16_Image));
im->w = w;
im->h = h;
im->stride = w + ((w % 4) ? (4 - (w % 4)) : 0);
im->have_alpha = 0;
im->references = 1;
im->free_pixels = 1;
im->pixels = malloc(h * im->stride * sizeof(DATA16));
re->tmp_out = im;
}
}
static void
eng_setup(Evas *e, void *in)
{
Render_Engine *re;
Evas_Engine_Info_Software_16_DDraw *info;
info = (Evas_Engine_Info_Software_16_DDraw *)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 (info->info.depth != 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));
if (!re)
return;
e->engine.data.output = re;
re->window = info->info.window;
re->object = info->info.object;
re->surface_primary = info->info.surface_primary;
re->surface_back = info->info.surface_back;
re->surface_source = info->info.surface_source;
re->width = e->output.w;
re->height = e->output.h;
re->rotation = info->info.rotation;
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 (info->info.depth != 16)
return;
re = e->engine.data.output;
if (re->tb) evas_common_tilebuf_free(re->tb);
re->window = info->info.window;
re->object = info->info.object;
re->surface_primary = info->info.surface_primary;
re->surface_back = info->info.surface_back;
re->surface_source = info->info.surface_source;
re->width = e->output.w;
re->height = e->output.h;
re->rotation = info->info.rotation;
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 (re->tmp_out)
{
_tmp_out_free(re->tmp_out);
re->tmp_out = NULL;
}
}
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);
}
static void
eng_output_free(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
if (re->ddob) evas_software_ddraw_output_buffer_free(re->ddob, 0);
if (re->clip_rects) DeleteObject(re->clip_rects);
if (re->tb) evas_common_tilebuf_free(re->tb);
if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
if (re->tmp_out) _tmp_out_free(re->tmp_out);
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;
if ((re->width == w) && (re->height == h)) return;
if (re->ddob)
evas_software_ddraw_surface_resize(re->ddob);
evas_common_tilebuf_free(re->tb);
re->width = w;
re->height = h;
re->tb = evas_common_tilebuf_new(w, h);
if (re->tb)
evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
if (re->ddob)
{
evas_software_ddraw_output_buffer_free(re->ddob, 0);
re->ddob = NULL;
}
if (re->clip_rects)
{
DeleteObject(re->clip_rects);
re->clip_rects = NULL;
}
if (re->tmp_out)
{
_tmp_out_free(re->tmp_out);
re->tmp_out = NULL;
}
}
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 inline void
_output_buffer_alloc(Render_Engine *re)
{
int width;
int height;
if (re->ddob) return;
if ((re->rotation == 0) || (re->rotation == 180))
{
width = re->width;
height = re->height;
}
else
{
width = re->height;
height = re->width;
}
re->ddob = evas_software_ddraw_output_buffer_new(re->window,
re->object,
re->surface_primary,
re->surface_back,
re->surface_source,
width,
height);
}
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;
Tilebuf_Rect *rect;
int ux, uy, uw, uh;
re = (Render_Engine *)data;
if (re->end)
{
re->end = 0;
return NULL;
}
if (!re->rects)
{
re->rects = evas_common_tilebuf_get_render_rects(re->tb);
if (!re->rects) return NULL;
re->cur_rect = re->rects;
_output_buffer_alloc(re);
if (re->rotation != 0) _tmp_out_alloc(re); /* grows if required */
}
if (!re->cur_rect)
{
if (re->rects) evas_common_tilebuf_free_render_rects(re->rects);
re->rects = 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;
}
*x = ux; *y = uy; *w = uw; *h = uh;
if (re->rotation == 0)
{
*cx = ux; *cy = uy; *cw = uw; *ch = uh;
return &re->ddob->im;
}
else
{
*cx = 0; *cy = 0; *cw = uw; *ch = uh;
return re->tmp_out;
}
}
static void
_blit_rot_90(Soft16_Image *dst, const Soft16_Image *src,
int out_x, int out_y, int w, int h)
{
DATA16 *dp, *sp;
int x, y;
sp = src->pixels;
dp = dst->pixels + (out_x +
(w + out_y - 1) * dst->stride);
for (y = 0; y < h; y++)
{
DATA16 *dp_itr, *sp_itr;
sp_itr = sp;
dp_itr = dp;
for (x = 0; x < w; x++)
{
*dp_itr = *sp_itr;
sp_itr++;
dp_itr -= dst->stride;
}
sp += src->stride;
dp++;
}
}
static void
_blit_rot_180(Soft16_Image *dst, const Soft16_Image *src,
int out_x, int out_y, int w, int h)
{
DATA16 *dp, *sp;
int x, y;
sp = src->pixels;
dp = dst->pixels + ((w + out_x - 1) +
(h + out_y - 1) * dst->stride);
for (y = 0; y < h; y++)
{
DATA16 *dp_itr, *sp_itr;
sp_itr = sp;
dp_itr = dp;
for (x = 0; x < w; x++)
{
*dp_itr = *sp_itr;
sp_itr++;
dp_itr--;
}
sp += src->stride;
dp -= dst->stride;
}
}
static void
_blit_rot_270(Soft16_Image *dst, const Soft16_Image *src,
int out_x, int out_y, int w, int h)
{
DATA16 *dp, *sp;
int x, y;
sp = src->pixels;
dp = dst->pixels + ((h + out_x - 1) +
out_y * dst->stride);
for (y = 0; y < h; y++)
{
DATA16 *dp_itr, *sp_itr;
sp_itr = sp;
dp_itr = dp;
for (x = 0; x < w; x++)
{
*dp_itr = *sp_itr;
sp_itr++;
dp_itr += dst->stride;
}
sp += src->stride;
dp--;
}
}
static void
_tmp_out_process(Render_Engine *re, int out_x, int out_y, int w, int h)
{
Soft16_Image *d, *s;
d = &re->ddob->im;
s = re->tmp_out;
if ((w < 1) || (h < 1) || (out_x >= d->w) || (out_y >= d->h))
return;
if (re->rotation == 90)
_blit_rot_90(d, s, out_x, out_y, w, h);
else if (re->rotation == 180)
_blit_rot_180(d, s, out_x, out_y, w, h);
else if (re->rotation == 270)
_blit_rot_270(d, s, out_x, out_y, w, h);
}
static void
eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int w, int h)
{
Render_Engine *re;
HRGN region;
int xx;
int yy;
int width;
int height;
re = (Render_Engine *)data;
if (!re->clip_rects)
re->clip_rects = CreateRectRgn(0, 0, 0, 0);
if (re->rotation == 0)
{
xx = x;
yy = y;
width = w;
height = h;
}
else if (re->rotation == 90)
{
xx = y;
yy = re->width - w - x;
width = h;
height = w;
}
else if (re->rotation == 180)
{
xx = re->width - w - x;
yy = re->height - h - y;
width = w;
height = h;
}
else if (re->rotation == 270)
{
xx = re->height - h - y;
yy = x;
width = h;
height = w;
}
region = CreateRectRgn(xx, yy, xx + width, yy + height);
if (re->rotation != 0)
_tmp_out_process(re, xx, yy, w, h);
CombineRgn(re->clip_rects, re->clip_rects, region, RGN_OR);
}
static void
eng_output_flush(void *data)
{
Render_Engine *re;
void *ddraw_data;
int ddraw_width;
int ddraw_height;
int ddraw_pitch;
int ddraw_depth;
re = (Render_Engine *)data;
if (re->clip_rects)
{
/* FIXME : i have to manage that */
/* XSetRegion(re->disp, re->gc, re->clip_rects); */
DeleteObject(re->clip_rects);
re->clip_rects = NULL;
}
else return;
evas_software_ddraw_output_buffer_paste(re->ddob);
/* FIXME : i have to manage that */
/* XSetClipMask(re->disp, re->gc, None); */
}
static void
eng_output_idle_flush(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
if (re->ddob)
{
evas_software_ddraw_output_buffer_free(re->ddob, 0);
re->ddob = NULL;
}
if (re->clip_rects)
{
DeleteObject(re->clip_rects);
re->clip_rects = NULL;
}
if (re->tmp_out)
{
_tmp_out_free(re->tmp_out);
re->tmp_out = NULL;
}
}
/* 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);
ORD(output_idle_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_ddraw",
"none"
};

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legacy/evas/src/modules/engines/software_16_ddraw/evas_engine.h Normal file
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#ifndef __EVAS_ENGINE_H__
#define __EVAS_ENGINE_H__
#include <windows.h>
#include <ddraw.h>
#include "evas_soft16.h"
typedef struct _DDraw_Output_Buffer DDraw_Output_Buffer;
struct _DDraw_Output_Buffer
{
Soft16_Image im;
struct {
HWND window;
LPDIRECTDRAW object;
LPDIRECTDRAWSURFACE surface_primary;
LPDIRECTDRAWSURFACE surface_back;
LPDIRECTDRAWSURFACE surface_source;
} dd;
int x;
int y;
int width;
int height;
int depth;
int pitch;
};
/****/
DDraw_Output_Buffer *evas_software_ddraw_output_buffer_new (HWND window,
LPDIRECTDRAW object,
LPDIRECTDRAWSURFACE surface_primary,
LPDIRECTDRAWSURFACE surface_back,
LPDIRECTDRAWSURFACE surface_source,
int width,
int height);
void evas_software_ddraw_output_buffer_free (DDraw_Output_Buffer *ddob, int sync);
void evas_software_ddraw_output_buffer_paste (DDraw_Output_Buffer *ddob);
void *evas_software_ddraw_lock(DDraw_Output_Buffer *ddob, int *ddraw_width, int *ddraw_height, int *ddraw_pitch, int *ddraw_depth);
void evas_software_ddraw_unlock_and_flip(DDraw_Output_Buffer *ddob);
void evas_software_ddraw_surface_resize(DDraw_Output_Buffer *ddob);
#endif /* __EVAS_ENGINE_H__ */