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#include <cstdio>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <ddraw.h>
#include "evas_common.h"
#include "evas_engine.h"
typedef LONG (*fct_DirectDrawCreate)(LPGUID, LPUNKNOWN *, LPUNKNOWN *);
fct_DirectDrawCreate lib_DirectDrawCreate;
typedef struct Evas_Engine_WinCE_DDraw_Priv Evas_Engine_WinCE_DDraw_Priv;
struct Evas_Engine_WinCE_DDraw_Priv
{
HMODULE module;
LPDIRECTDRAW object;
LPDIRECTDRAWSURFACE surface;
int width;
int height;
int stride;
};
void *
evas_software_wince_ddraw_init(HWND window,
int width,
int height)
{
DDSURFACEDESC surface_desc;
Evas_Engine_WinCE_DDraw_Priv *priv;
HRESULT res;
priv = (Evas_Engine_WinCE_DDraw_Priv *)malloc(sizeof(Evas_Engine_WinCE_DDraw_Priv));
if (!priv)
return NULL;
priv->module = LoadLibrary(L"ddraw.dll");
if (!priv->module)
{
fprintf(stderr, "[Engine] [WinCE DDraw] Can not load ddraw.dll\n");
goto free_priv;
}
lib_DirectDrawCreate = (fct_DirectDrawCreate)GetProcAddress(priv->module, L"DirectDrawCreate");
if (!lib_DirectDrawCreate)
{
fprintf(stderr, "[Engine] [WinCE DDraw] Can not initialize DirectDraw\n");
goto free_lib;
}
res = lib_DirectDrawCreate(NULL, (IUnknown**)&priv->object, NULL);
if (FAILED(res))
{
fprintf(stderr, "[Engine] [WinCE DDraw] Can not create DirectDraw object\n");
goto free_lib;
}
res = priv->object->SetCooperativeLevel(window, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN);
if (FAILED(res))
{
fprintf(stderr, "[Engine] [WinCE DDraw] Can not set window to fullscreen\n");
goto release_object;
}
memset(&surface_desc, 0, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
surface_desc.dwFlags = DDSD_CAPS;
surface_desc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
res = priv->object->CreateSurface(&surface_desc, &priv->surface, NULL);
if (FAILED(res))
{
fprintf(stderr, "[Engine] [WinCE DDraw] Can not create surface\n");
goto release_object;
}
memset(&surface_desc, 0, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
res = priv->surface->Lock(NULL, &surface_desc, DDLOCK_READONLY, NULL);
if (FAILED(res))
{
fprintf(stderr, "[Evas] [Engine] [WinCE DDraw] Can not lock surface\n");
goto release_surface;
}
priv->width = surface_desc.dwWidth;
priv->height = surface_desc.dwHeight;
priv->stride = surface_desc.lPitch / 2;
if ((priv->width != width) ||
(priv->height != height))
{
fprintf(stderr, "[Engine] [WinCE DDraw] Size mismatch\n");
fprintf(stderr, "[Engine] [WinCE DDraw] asked : %dx%d\n", width, height);
fprintf(stderr, "[Engine] [WinCE DDraw] got : %dx%d\n", priv->width, priv->height);
goto release_surface;
}
res = priv->surface->Unlock(NULL);
if (FAILED(res))
{
fprintf(stderr, "[Engine] [WinCE DDraw] Can not unlock surface\n");
goto release_surface;
}
return priv;
release_surface:
priv->surface->Release();
release_object:
priv->object->Release();
free_lib:
FreeLibrary(priv->module);
free_priv:
free(priv);
return 0;
}
void
evas_software_wince_ddraw_shutdown(void *priv)
{
((Evas_Engine_WinCE_DDraw_Priv *)priv)->surface->Release();
((Evas_Engine_WinCE_DDraw_Priv *)priv)->object->Release();
FreeLibrary(((Evas_Engine_WinCE_DDraw_Priv *)priv)->module);
free(priv);
}
FB_Output_Buffer *
evas_software_wince_ddraw_output_buffer_new(void *priv,
int width,
int height)
{
FB_Output_Buffer *fbob;
void *buffer;
fbob = (FB_Output_Buffer *)calloc(1, sizeof(FB_Output_Buffer));
if (!fbob) return NULL;
buffer = malloc (width * height * 2); /* we are sure to have 16bpp */
if (!buffer)
{
free(fbob);
return NULL;
}
fbob->priv = priv;
fbob->im = (Soft16_Image *) evas_cache_image_data(evas_common_soft16_image_cache_get(), width, height, (DATA32 *)buffer, 0, EVAS_COLORSPACE_RGB565_A5P);
if (fbob->im)
fbob->im->stride = ((Evas_Engine_WinCE_DDraw_Priv *)priv)->stride;
return fbob;
}
void
evas_software_wince_ddraw_output_buffer_free(FB_Output_Buffer *fbob)
{
free(fbob->im->pixels);
free(fbob);
}
void
evas_software_wince_ddraw_output_buffer_paste(FB_Output_Buffer *fbob)
{
DDSURFACEDESC surface_desc;
Evas_Engine_WinCE_DDraw_Priv *priv;
HRESULT res;
priv = (Evas_Engine_WinCE_DDraw_Priv *)fbob->priv;
memset(&surface_desc, 0, sizeof(surface_desc));
surface_desc.dwSize = sizeof(surface_desc);
res = priv->surface->Lock(NULL, &surface_desc, DDLOCK_WRITEONLY, NULL);
if (FAILED(res))
return;
if ((fbob->im->cache_entry.w == surface_desc.dwWidth) &&
(fbob->im->cache_entry.h == surface_desc.dwHeight))
memcpy(surface_desc.lpSurface, fbob->im->pixels,
surface_desc.dwWidth * surface_desc.dwHeight * 2);
priv->surface->Unlock(NULL);
}
void
evas_software_wince_ddraw_surface_resize(FB_Output_Buffer *fbob)
{
}
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