/*
* Create a surface on the stack for quick blit operations
*/
static SDL_INLINE SDL_bool
SDL_CreateSurfaceOnStack(int width, int height, Uint32 pixel_format,
void * pixels, int pitch, SDL_Surface * surface,
SDL_PixelFormat * format, SDL_BlitMap * blitmap)
{
if (SDL_ISPIXELFORMAT_INDEXED(pixel_format)) {
SDL_SetError("Indexed pixel formats not supported");
return SDL_FALSE;
}
if (SDL_InitFormat(format, pixel_format) < 0) {
return SDL_FALSE;
}
SDL_zerop(surface);
surface->flags = SDL_PREALLOC;
surface->format = format;
surface->pixels = pixels;
surface->w = width;
surface->h = height;
surface->pitch = pitch;
/* We don't actually need to set up the clip rect for our purposes */
/* SDL_SetClipRect(surface, NULL); */
/* Allocate an empty mapping */
SDL_zerop(blitmap);
blitmap->info.r = 0xFF;
blitmap->info.g = 0xFF;
blitmap->info.b = 0xFF;
blitmap->info.a = 0xFF;
surface->map = blitmap;
/* The surface is ready to go */
surface->refcount = 1;
return SDL_TRUE;
}
void
DirectFB_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
{
SDL_DFB_DEVICEDATA(_this);
SDL_DFB_WINDOWDATA(window);
SDL_Surface *surface = NULL;
DFBResult ret;
if (icon) {
SDL_PixelFormat format;
DFBSurfaceDescription dsc;
Uint32 *dest;
Uint32 *p;
int pitch, i;
/* Convert the icon to ARGB for modern window managers */
SDL_InitFormat(&format, 32, 0x00FF0000, 0x0000FF00, 0x000000FF,
0xFF000000);
surface = SDL_ConvertSurface(icon, &format, 0);
if (!surface) {
return;
}
dsc.flags =
DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
dsc.caps = DSCAPS_VIDEOONLY;
dsc.width = surface->w;
dsc.height = surface->h;
dsc.pixelformat = DSPF_ARGB;
SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
&windata->icon));
SDL_DFB_CHECKERR(windata->icon->Lock(windata->icon, DSLF_WRITE,
(void *) &dest, &pitch));
p = surface->pixels;
for (i = 0; i < surface->h; i++)
memcpy((char *) dest + i * pitch,
(char *) p + i * surface->pitch, 4 * surface->w);
windata->icon->Unlock(windata->icon);
SDL_FreeSurface(surface);
} else {
SDL_DFB_RELEASE(windata->icon);
}
return;
error:
if (surface)
SDL_FreeSurface(surface);
SDL_DFB_RELEASE(windata->icon);
return;
}
int
Android_VideoInit(_THIS)
{
SDL_DisplayMode mode;
mode.format = Android_ScreenFormat;
mode.w = Android_ScreenWidth;
mode.h = Android_ScreenHeight;
mode.refresh_rate = Android_ScreenRate;
mode.driverdata = NULL;
// Urho3D: merge patch found in https://bugzilla.libsdl.org/show_bug.cgi?id=2291 submitted by Thomas Faller
SDL_PixelFormat pixelFormat;
Uint32 mask;
int bitCount;
/* We need to set color sizes */
if(!SDL_InitFormat(&pixelFormat, mode.format)){
for(mask = pixelFormat.Rmask >> pixelFormat.Rshift,
bitCount = 0; mask > 0; mask >>= 1)
bitCount += 1;
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, bitCount);
for(mask = pixelFormat.Gmask >> pixelFormat.Gshift,
bitCount = 0; mask > 0; mask >>= 1)
bitCount += 1;
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, bitCount);
for(mask = pixelFormat.Bmask >> pixelFormat.Bshift,
bitCount = 0; mask > 0; mask >>= 1)
bitCount += 1;
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, bitCount);
for(mask = pixelFormat.Amask >> pixelFormat.Ashift,
bitCount = 0; mask > 0; mask >>= 1)
bitCount += 1;
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, bitCount);
}
if (SDL_AddBasicVideoDisplay(&mode) < 0) {
return -1;
}
SDL_AddDisplayMode(&_this->displays[0], &mode);
Android_InitKeyboard();
Android_InitTouch();
Android_InitMouse();
/* We're done! */
return 0;
}
/*
* Allocate a pixel format structure and fill it according to the given info.
*/
SDL_PixelFormat *
SDL_AllocFormat(int bpp,
Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
{
SDL_PixelFormat *format;
/* Allocate an empty pixel format structure */
format = SDL_malloc(sizeof(*format));
if (format == NULL) {
SDL_OutOfMemory();
return (NULL);
}
/* Set up the format */
return SDL_InitFormat(format, bpp, Rmask, Gmask, Bmask, Amask);
}
int
SDL_SaveBMP_RW(SDL_Surface * saveme, SDL_RWops * dst, int freedst)
{
long fp_offset;
int i, pad;
SDL_Surface *surface;
Uint8 *bits;
/* The Win32 BMP file header (14 bytes) */
char magic[2] = { 'B', 'M' };
Uint32 bfSize;
Uint16 bfReserved1;
Uint16 bfReserved2;
Uint32 bfOffBits;
/* The Win32 BITMAPINFOHEADER struct (40 bytes) */
Uint32 biSize;
Sint32 biWidth;
Sint32 biHeight;
Uint16 biPlanes;
Uint16 biBitCount;
Uint32 biCompression;
Uint32 biSizeImage;
Sint32 biXPelsPerMeter;
Sint32 biYPelsPerMeter;
Uint32 biClrUsed;
Uint32 biClrImportant;
/* Make sure we have somewhere to save */
surface = NULL;
if (dst) {
SDL_bool save32bit = SDL_FALSE;
#ifdef SAVE_32BIT_BMP
/* We can save alpha information in a 32-bit BMP */
if (saveme->map->info.flags & SDL_COPY_COLORKEY ||
saveme->format->Amask) {
save32bit = SDL_TRUE;
}
#endif /* SAVE_32BIT_BMP */
if (saveme->format->palette && !save32bit) {
if (saveme->format->BitsPerPixel == 8) {
surface = saveme;
} else {
SDL_SetError("%d bpp BMP files not supported",
saveme->format->BitsPerPixel);
}
} else if ((saveme->format->BitsPerPixel == 24) &&
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
(saveme->format->Rmask == 0x00FF0000) &&
(saveme->format->Gmask == 0x0000FF00) &&
(saveme->format->Bmask == 0x000000FF)
#else
(saveme->format->Rmask == 0x000000FF) &&
(saveme->format->Gmask == 0x0000FF00) &&
(saveme->format->Bmask == 0x00FF0000)
#endif
) {
surface = saveme;
} else {
SDL_PixelFormat format;
/* If the surface has a colorkey or alpha channel we'll save a
32-bit BMP with alpha channel, otherwise save a 24-bit BMP. */
if (save32bit) {
SDL_InitFormat(&format,
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
SDL_PIXELFORMAT_ARGB8888
#else
SDL_PIXELFORMAT_BGRA8888
#endif
);
} else {
SDL_InitFormat(&format, SDL_PIXELFORMAT_BGR24);
}
surface = SDL_ConvertSurface(saveme, &format, 0);
if (!surface) {
SDL_SetError("Couldn't convert image to %d bpp",
format.BitsPerPixel);
}
}
}
if (surface && (SDL_LockSurface(surface) == 0)) {
const int bw = surface->w * surface->format->BytesPerPixel;
/* Set the BMP file header values */
bfSize = 0; /* We'll write this when we're done */
bfReserved1 = 0;
bfReserved2 = 0;
bfOffBits = 0; /* We'll write this when we're done */
/* Write the BMP file header values */
fp_offset = SDL_RWtell(dst);
SDL_ClearError();
SDL_RWwrite(dst, magic, 2, 1);
SDL_WriteLE32(dst, bfSize);
SDL_WriteLE16(dst, bfReserved1);
SDL_WriteLE16(dst, bfReserved2);
SDL_WriteLE32(dst, bfOffBits);
/* Set the BMP info values */
biSize = 40;
biWidth = surface->w;
biHeight = surface->h;
biPlanes = 1;
biBitCount = surface->format->BitsPerPixel;
biCompression = BI_RGB;
biSizeImage = surface->h * surface->pitch;
biXPelsPerMeter = 0;
biYPelsPerMeter = 0;
if (surface->format->palette) {
biClrUsed = surface->format->palette->ncolors;
} else {
biClrUsed = 0;
}
biClrImportant = 0;
/* Write the BMP info values */
SDL_WriteLE32(dst, biSize);
SDL_WriteLE32(dst, biWidth);
SDL_WriteLE32(dst, biHeight);
SDL_WriteLE16(dst, biPlanes);
SDL_WriteLE16(dst, biBitCount);
SDL_WriteLE32(dst, biCompression);
SDL_WriteLE32(dst, biSizeImage);
SDL_WriteLE32(dst, biXPelsPerMeter);
SDL_WriteLE32(dst, biYPelsPerMeter);
SDL_WriteLE32(dst, biClrUsed);
SDL_WriteLE32(dst, biClrImportant);
/* Write the palette (in BGR color order) */
if (surface->format->palette) {
SDL_Color *colors;
int ncolors;
colors = surface->format->palette->colors;
ncolors = surface->format->palette->ncolors;
for (i = 0; i < ncolors; ++i) {
SDL_RWwrite(dst, &colors[i].b, 1, 1);
SDL_RWwrite(dst, &colors[i].g, 1, 1);
SDL_RWwrite(dst, &colors[i].r, 1, 1);
SDL_RWwrite(dst, &colors[i].unused, 1, 1);
}
}
/* Write the bitmap offset */
bfOffBits = SDL_RWtell(dst) - fp_offset;
if (SDL_RWseek(dst, fp_offset + 10, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
SDL_WriteLE32(dst, bfOffBits);
if (SDL_RWseek(dst, fp_offset + bfOffBits, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
/* Write the bitmap image upside down */
bits = (Uint8 *) surface->pixels + (surface->h * surface->pitch);
pad = ((bw % 4) ? (4 - (bw % 4)) : 0);
while (bits > (Uint8 *) surface->pixels) {
bits -= surface->pitch;
if (SDL_RWwrite(dst, bits, 1, bw) != bw) {
SDL_Error(SDL_EFWRITE);
break;
}
if (pad) {
const Uint8 padbyte = 0;
for (i = 0; i < pad; ++i) {
SDL_RWwrite(dst, &padbyte, 1, 1);
}
}
}
/* Write the BMP file size */
bfSize = SDL_RWtell(dst) - fp_offset;
if (SDL_RWseek(dst, fp_offset + 2, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
SDL_WriteLE32(dst, bfSize);
if (SDL_RWseek(dst, fp_offset + bfSize, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
/* Close it up.. */
SDL_UnlockSurface(surface);
if (surface != saveme) {
SDL_FreeSurface(surface);
}
}
if (freedst && dst) {
SDL_RWclose(dst);
}
return ((SDL_strcmp(SDL_GetError(), "") == 0) ? 0 : -1);
}
void
WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
{
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
HICON hicon = NULL;
if (icon) {
BYTE *icon_bmp;
int icon_len;
SDL_RWops *dst;
SDL_PixelFormat format;
SDL_Surface *surface;
/* Create temporary bitmap buffer */
icon_len = 40 + icon->h * icon->w * 4;
icon_bmp = SDL_stack_alloc(BYTE, icon_len);
dst = SDL_RWFromMem(icon_bmp, icon_len);
if (!dst) {
SDL_stack_free(icon_bmp);
return;
}
/* Write the BITMAPINFO header */
SDL_WriteLE32(dst, 40);
SDL_WriteLE32(dst, icon->w);
SDL_WriteLE32(dst, icon->h * 2);
SDL_WriteLE16(dst, 1);
SDL_WriteLE16(dst, 32);
SDL_WriteLE32(dst, BI_RGB);
SDL_WriteLE32(dst, icon->h * icon->w * 4);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
/* Convert the icon to a 32-bit surface with alpha channel */
SDL_InitFormat(&format, SDL_PIXELFORMAT_ARGB8888);
surface = SDL_ConvertSurface(icon, &format, 0);
if (surface) {
/* Write the pixels upside down into the bitmap buffer */
int y = surface->h;
while (y--) {
Uint8 *src = (Uint8 *) surface->pixels + y * surface->pitch;
SDL_RWwrite(dst, src, surface->pitch, 1);
}
SDL_FreeSurface(surface);
/* TODO: create the icon in WinCE (CreateIconFromResource isn't available) */
#ifndef _WIN32_WCE
hicon =
CreateIconFromResource(icon_bmp, icon_len, TRUE, 0x00030000);
#endif
}
SDL_RWclose(dst);
SDL_stack_free(icon_bmp);
}
/* Set the icon for the window */
SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM) hicon);
/* Set the icon in the task manager (should we do this?) */
SendMessage(hwnd, WM_SETICON, ICON_BIG, (LPARAM) hicon);
}
int
SDL_SaveBMP_RW(SDL_Surface * saveme, SDL_RWops * dst, int freedst)
{
Sint64 fp_offset;
int i, pad;
SDL_Surface *surface;
Uint8 *bits;
SDL_bool save32bit = SDL_FALSE;
SDL_bool saveLegacyBMP = SDL_FALSE;
/* The Win32 BMP file header (14 bytes) */
char magic[2] = { 'B', 'M' };
Uint32 bfSize;
Uint16 bfReserved1;
Uint16 bfReserved2;
Uint32 bfOffBits;
/* The Win32 BITMAPINFOHEADER struct (40 bytes) */
Uint32 biSize;
Sint32 biWidth;
Sint32 biHeight;
Uint16 biPlanes;
Uint16 biBitCount;
Uint32 biCompression;
Uint32 biSizeImage;
Sint32 biXPelsPerMeter;
Sint32 biYPelsPerMeter;
Uint32 biClrUsed;
Uint32 biClrImportant;
/* The additional header members from the Win32 BITMAPV4HEADER struct (108 bytes in total) */
Uint32 bV4RedMask = 0;
Uint32 bV4GreenMask = 0;
Uint32 bV4BlueMask = 0;
Uint32 bV4AlphaMask = 0;
Uint32 bV4CSType = 0;
Sint32 bV4Endpoints[3 * 3] = {0};
Uint32 bV4GammaRed = 0;
Uint32 bV4GammaGreen = 0;
Uint32 bV4GammaBlue = 0;
/* Make sure we have somewhere to save */
surface = NULL;
if (dst) {
#ifdef SAVE_32BIT_BMP
/* We can save alpha information in a 32-bit BMP */
if (saveme->format->BitsPerPixel >= 8 && (saveme->format->Amask ||
saveme->map->info.flags & SDL_COPY_COLORKEY)) {
save32bit = SDL_TRUE;
}
#endif /* SAVE_32BIT_BMP */
if (saveme->format->palette && !save32bit) {
if (saveme->format->BitsPerPixel == 8) {
surface = saveme;
} else {
SDL_SetError("%d bpp BMP files not supported",
saveme->format->BitsPerPixel);
}
} else if ((saveme->format->BitsPerPixel == 24) && !save32bit &&
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
(saveme->format->Rmask == 0x00FF0000) &&
(saveme->format->Gmask == 0x0000FF00) &&
(saveme->format->Bmask == 0x000000FF)
#else
(saveme->format->Rmask == 0x000000FF) &&
(saveme->format->Gmask == 0x0000FF00) &&
(saveme->format->Bmask == 0x00FF0000)
#endif
) {
surface = saveme;
} else {
SDL_PixelFormat format;
/* If the surface has a colorkey or alpha channel we'll save a
32-bit BMP with alpha channel, otherwise save a 24-bit BMP. */
if (save32bit) {
SDL_InitFormat(&format, SDL_PIXELFORMAT_BGRA32);
} else {
SDL_InitFormat(&format, SDL_PIXELFORMAT_BGR24);
}
surface = SDL_ConvertSurface(saveme, &format, 0);
if (!surface) {
SDL_SetError("Couldn't convert image to %d bpp",
format.BitsPerPixel);
}
}
} else {
/* Set no error here because it may overwrite a more useful message from
SDL_RWFromFile() if SDL_SaveBMP_RW() is called from SDL_SaveBMP(). */
return -1;
}
if (save32bit) {
saveLegacyBMP = SDL_GetHintBoolean(SDL_HINT_BMP_SAVE_LEGACY_FORMAT, SDL_FALSE);
}
if (surface && (SDL_LockSurface(surface) == 0)) {
const int bw = surface->w * surface->format->BytesPerPixel;
/* Set the BMP file header values */
bfSize = 0; /* We'll write this when we're done */
bfReserved1 = 0;
bfReserved2 = 0;
bfOffBits = 0; /* We'll write this when we're done */
/* Write the BMP file header values */
fp_offset = SDL_RWtell(dst);
SDL_ClearError();
SDL_RWwrite(dst, magic, 2, 1);
SDL_WriteLE32(dst, bfSize);
SDL_WriteLE16(dst, bfReserved1);
SDL_WriteLE16(dst, bfReserved2);
SDL_WriteLE32(dst, bfOffBits);
/* Set the BMP info values */
biSize = 40;
biWidth = surface->w;
biHeight = surface->h;
biPlanes = 1;
biBitCount = surface->format->BitsPerPixel;
biCompression = BI_RGB;
biSizeImage = surface->h * surface->pitch;
biXPelsPerMeter = 0;
biYPelsPerMeter = 0;
if (surface->format->palette) {
biClrUsed = surface->format->palette->ncolors;
} else {
biClrUsed = 0;
}
biClrImportant = 0;
/* Set the BMP info values for the version 4 header */
if (save32bit && !saveLegacyBMP) {
biSize = 108;
biCompression = BI_BITFIELDS;
/* The BMP format is always little endian, these masks stay the same */
bV4RedMask = 0x00ff0000;
bV4GreenMask = 0x0000ff00;
bV4BlueMask = 0x000000ff;
bV4AlphaMask = 0xff000000;
bV4CSType = LCS_WINDOWS_COLOR_SPACE;
bV4GammaRed = 0;
bV4GammaGreen = 0;
bV4GammaBlue = 0;
}
/* Write the BMP info values */
SDL_WriteLE32(dst, biSize);
SDL_WriteLE32(dst, biWidth);
SDL_WriteLE32(dst, biHeight);
SDL_WriteLE16(dst, biPlanes);
SDL_WriteLE16(dst, biBitCount);
SDL_WriteLE32(dst, biCompression);
SDL_WriteLE32(dst, biSizeImage);
SDL_WriteLE32(dst, biXPelsPerMeter);
SDL_WriteLE32(dst, biYPelsPerMeter);
SDL_WriteLE32(dst, biClrUsed);
SDL_WriteLE32(dst, biClrImportant);
/* Write the BMP info values for the version 4 header */
if (save32bit && !saveLegacyBMP) {
SDL_WriteLE32(dst, bV4RedMask);
SDL_WriteLE32(dst, bV4GreenMask);
SDL_WriteLE32(dst, bV4BlueMask);
SDL_WriteLE32(dst, bV4AlphaMask);
SDL_WriteLE32(dst, bV4CSType);
for (i = 0; i < 3 * 3; i++) {
SDL_WriteLE32(dst, bV4Endpoints[i]);
}
SDL_WriteLE32(dst, bV4GammaRed);
SDL_WriteLE32(dst, bV4GammaGreen);
SDL_WriteLE32(dst, bV4GammaBlue);
}
/* Write the palette (in BGR color order) */
if (surface->format->palette) {
SDL_Color *colors;
int ncolors;
colors = surface->format->palette->colors;
ncolors = surface->format->palette->ncolors;
for (i = 0; i < ncolors; ++i) {
SDL_RWwrite(dst, &colors[i].b, 1, 1);
SDL_RWwrite(dst, &colors[i].g, 1, 1);
SDL_RWwrite(dst, &colors[i].r, 1, 1);
SDL_RWwrite(dst, &colors[i].a, 1, 1);
}
}
/* Write the bitmap offset */
bfOffBits = (Uint32)(SDL_RWtell(dst) - fp_offset);
if (SDL_RWseek(dst, fp_offset + 10, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
SDL_WriteLE32(dst, bfOffBits);
if (SDL_RWseek(dst, fp_offset + bfOffBits, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
/* Write the bitmap image upside down */
bits = (Uint8 *) surface->pixels + (surface->h * surface->pitch);
pad = ((bw % 4) ? (4 - (bw % 4)) : 0);
while (bits > (Uint8 *) surface->pixels) {
bits -= surface->pitch;
if (SDL_RWwrite(dst, bits, 1, bw) != bw) {
SDL_Error(SDL_EFWRITE);
break;
}
if (pad) {
const Uint8 padbyte = 0;
for (i = 0; i < pad; ++i) {
SDL_RWwrite(dst, &padbyte, 1, 1);
}
}
}
/* Write the BMP file size */
bfSize = (Uint32)(SDL_RWtell(dst) - fp_offset);
if (SDL_RWseek(dst, fp_offset + 2, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
SDL_WriteLE32(dst, bfSize);
if (SDL_RWseek(dst, fp_offset + bfSize, RW_SEEK_SET) < 0) {
SDL_Error(SDL_EFSEEK);
}
/* Close it up.. */
SDL_UnlockSurface(surface);
if (surface != saveme) {
SDL_FreeSurface(surface);
}
}
if (freedst && dst) {
SDL_RWclose(dst);
}
return ((SDL_strcmp(SDL_GetError(), "") == 0) ? 0 : -1);
}
SDL_Renderer *
X11_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_VideoDisplay *display = window->display;
SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
SDL_WindowData *windowdata = (SDL_WindowData *) window->driverdata;
SDL_Renderer *renderer;
SDL_RendererInfo *info;
X11_RenderData *data;
XGCValues gcv;
int i, n;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
if (!renderer) {
SDL_OutOfMemory();
return NULL;
}
data = (X11_RenderData *) SDL_calloc(1, sizeof(*data));
if (!data) {
X11_DestroyRenderer(renderer);
SDL_OutOfMemory();
return NULL;
}
data->display = windowdata->videodata->display;
data->screen = displaydata->screen;
data->visual = displaydata->visual;
data->depth = displaydata->depth;
data->scanline_pad = displaydata->scanline_pad;
data->xwindow = windowdata->xwindow;
renderer->DisplayModeChanged = X11_DisplayModeChanged;
renderer->CreateTexture = X11_CreateTexture;
renderer->QueryTexturePixels = X11_QueryTexturePixels;
renderer->SetTextureBlendMode = X11_SetTextureBlendMode;
renderer->SetTextureScaleMode = X11_SetTextureScaleMode;
renderer->UpdateTexture = X11_UpdateTexture;
renderer->LockTexture = X11_LockTexture;
renderer->UnlockTexture = X11_UnlockTexture;
renderer->SetDrawBlendMode = X11_SetDrawBlendMode;
renderer->RenderDrawPoints = X11_RenderDrawPoints;
renderer->RenderDrawLines = X11_RenderDrawLines;
renderer->RenderDrawRects = X11_RenderDrawRects;
renderer->RenderFillRects = X11_RenderFillRects;
renderer->RenderCopy = X11_RenderCopy;
renderer->RenderReadPixels = X11_RenderReadPixels;
renderer->RenderWritePixels = X11_RenderWritePixels;
renderer->RenderPresent = X11_RenderPresent;
renderer->DestroyTexture = X11_DestroyTexture;
renderer->DestroyRenderer = X11_DestroyRenderer;
renderer->info = X11_RenderDriver.info;
renderer->window = window;
renderer->driverdata = data;
renderer->info.flags = SDL_RENDERER_ACCELERATED;
if (flags & SDL_RENDERER_SINGLEBUFFER) {
renderer->info.flags |=
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY);
n = 0;
} else if (flags & SDL_RENDERER_PRESENTFLIP2) {
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
n = 2;
} else if (flags & SDL_RENDERER_PRESENTFLIP3) {
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
n = 3;
} else {
renderer->info.flags |= SDL_RENDERER_PRESENTCOPY;
n = 1;
}
for (i = 0; i < n; ++i) {
data->pixmaps[i] =
XCreatePixmap(data->display, data->xwindow, window->w, window->h,
displaydata->depth);
if (data->pixmaps[i] == None) {
X11_DestroyRenderer(renderer);
SDL_SetError("XCreatePixmap() failed");
return NULL;
}
}
if (n > 0) {
data->drawable = data->pixmaps[0];
data->makedirty = SDL_TRUE;
} else {
data->drawable = data->xwindow;
data->makedirty = SDL_FALSE;
}
data->current_pixmap = 0;
/* Get the format of the window */
if (!SDL_PixelFormatEnumToMasks
(display->current_mode.format, &bpp, &Rmask, &Gmask, &Bmask,
&Amask)) {
SDL_SetError("Unknown display format");
X11_DestroyRenderer(renderer);
return NULL;
}
SDL_InitFormat(&data->format, bpp, Rmask, Gmask, Bmask, Amask);
/* Create the drawing context */
gcv.graphics_exposures = False;
data->gc =
XCreateGC(data->display, data->xwindow, GCGraphicsExposures, &gcv);
if (!data->gc) {
X11_DestroyRenderer(renderer);
SDL_SetError("XCreateGC() failed");
return NULL;
}
return renderer;
}
