int
WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
HWND hwnd = (HWND) data;
LPTSTR title;
int titleLen;
/* Query the title from the existing window */
titleLen = GetWindowTextLength(hwnd);
title = SDL_stack_alloc(TCHAR, titleLen + 1);
if (title) {
titleLen = GetWindowText(hwnd, title, titleLen);
} else {
titleLen = 0;
}
if (titleLen > 0) {
window->title = WIN_StringToUTF8(title);
}
if (title) {
SDL_stack_free(title);
}
if (SetupWindowData(_this, window, hwnd, SDL_FALSE) < 0) {
return -1;
}
return 0;
}
static int
GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
int i;
GLshort *vertices;
GLES_SetBlendMode(data, renderer->blendMode, 1);
data->glColor4f((GLfloat) renderer->r * inv255f,
(GLfloat) renderer->g * inv255f,
(GLfloat) renderer->b * inv255f,
(GLfloat) renderer->a * inv255f);
vertices = SDL_stack_alloc(GLshort, count*2);
for (i = 0; i < count; ++i) {
vertices[2*i+0] = (GLshort)points[i].x;
vertices[2*i+1] = (GLshort)points[i].y;
}
data->glVertexPointer(2, GL_SHORT, 0, vertices);
data->glEnableClientState(GL_VERTEX_ARRAY);
if (count > 2 &&
points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
/* GL_LINE_LOOP takes care of the final segment */
--count;
data->glDrawArrays(GL_LINE_LOOP, 0, count);
} else {
data->glDrawArrays(GL_LINE_STRIP, 0, count);
}
data->glDisableClientState(GL_VERTEX_ARRAY);
SDL_stack_free(vertices);
return 0;
}
static int
GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
int i;
GLshort *vertices;
GLES_SetBlendMode(data, renderer->blendMode, 1);
data->glColor4f((GLfloat) renderer->r * inv255f,
(GLfloat) renderer->g * inv255f,
(GLfloat) renderer->b * inv255f,
(GLfloat) renderer->a * inv255f);
vertices = SDL_stack_alloc(GLshort, count*2);
for (i = 0; i < count; ++i) {
vertices[2*i+0] = (GLshort)points[i].x;
vertices[2*i+1] = (GLshort)points[i].y;
}
data->glVertexPointer(2, GL_SHORT, 0, vertices);
data->glEnableClientState(GL_VERTEX_ARRAY);
data->glDrawArrays(GL_POINTS, 0, count);
data->glDisableClientState(GL_VERTEX_ARRAY);
SDL_stack_free(vertices);
return 0;
}
static int
GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
int i;
GLshort *vertices;
GLES_SetDrawingState(renderer);
vertices = SDL_stack_alloc(GLshort, count*2);
for (i = 0; i < count; ++i) {
vertices[2*i+0] = (GLshort)points[i].x;
vertices[2*i+1] = (GLshort)points[i].y;
}
data->glVertexPointer(2, GL_SHORT, 0, vertices);
if (count > 2 &&
points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
/* GL_LINE_LOOP takes care of the final segment */
--count;
data->glDrawArrays(GL_LINE_LOOP, 0, count);
} else {
data->glDrawArrays(GL_LINE_STRIP, 0, count);
/* We need to close the endpoint of the line */
data->glDrawArrays(GL_POINTS, count-1, 1);
}
SDL_stack_free(vertices);
return 0;
}
int
WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
HWND hwnd = (HWND) data;
LPTSTR title;
int titleLen;
/* Query the title from the existing window */
titleLen = GetWindowTextLength(hwnd);
title = SDL_stack_alloc(TCHAR, titleLen + 1);
if (title) {
titleLen = GetWindowText(hwnd, title, titleLen);
} else {
titleLen = 0;
}
if (titleLen > 0) {
window->title = WIN_StringToUTF8(title);
}
if (title) {
SDL_stack_free(title);
}
if (SetupWindowData(_this, window, hwnd, SDL_FALSE) < 0) {
return -1;
}
// Urho3D: if window will be used for OpenGL, choose pixel format
if (window->flags & SDL_WINDOW_OPENGL) {
if (WIN_GL_SetupWindow(_this, window) < 0) {
return -1;
}
}
return 0;
}
static int
GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
GLfloat *vertices;
int idx;
GLES_SetDrawingState(renderer);
/* Emit the specified vertices as points */
vertices = SDL_stack_alloc(GLfloat, count * 2);
for (idx = 0; idx < count; ++idx) {
GLfloat x = points[idx].x + 0.5f;
GLfloat y = points[idx].y + 0.5f;
vertices[idx * 2] = x;
vertices[(idx * 2) + 1] = y;
}
data->glVertexPointer(2, GL_FLOAT, 0, vertices);
data->glDrawArrays(GL_POINTS, 0, count);
SDL_stack_free(vertices);
return 0;
}
static int
GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
GLfloat *vertices;
int idx;
GLES_SetDrawingState(renderer);
/* Emit a line strip including the specified vertices */
vertices = SDL_stack_alloc(GLfloat, count * 2);
for (idx = 0; idx < count; ++idx) {
GLfloat x = points[idx].x + 0.5f;
GLfloat y = points[idx].y + 0.5f;
vertices[idx * 2] = x;
vertices[(idx * 2) + 1] = y;
}
data->glVertexPointer(2, GL_FLOAT, 0, vertices);
if (count > 2 &&
points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
/* GL_LINE_LOOP takes care of the final segment */
--count;
data->glDrawArrays(GL_LINE_LOOP, 0, count);
} else {
data->glDrawArrays(GL_LINE_STRIP, 0, count);
/* We need to close the endpoint of the line */
data->glDrawArrays(GL_POINTS, count-1, 1);
}
SDL_stack_free(vertices);
return 0;
}
int
WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
HWND hwnd = (HWND) data;
LPTSTR title;
int titleLen;
/* Query the title from the existing window */
titleLen = GetWindowTextLength(hwnd);
title = SDL_stack_alloc(TCHAR, titleLen + 1);
if (title) {
titleLen = GetWindowText(hwnd, title, titleLen);
} else {
titleLen = 0;
}
if (titleLen > 0) {
window->title = WIN_StringToUTF8(title);
}
if (title) {
SDL_stack_free(title);
}
if (SetupWindowData(_this, window, hwnd, SDL_FALSE) < 0) {
return -1;
}
// Urho3D: if window will be used for OpenGL, choose pixel format
if (window->flags & SDL_WINDOW_OPENGL) {
if (WIN_GL_SetupWindow(_this, window) < 0) {
return -1;
}
}
#if SDL_VIDEO_OPENGL_WGL
{
const char *hint = SDL_GetHint(SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT);
if (hint) {
// This hint is a pointer (in string form) of the address of
// the window to share a pixel format with
SDL_Window *otherWindow = NULL;
SDL_sscanf(hint, "%p", (void**)&otherWindow);
// Do some error checking on the pointer
if (otherWindow != NULL && otherWindow->magic == &_this->window_magic)
{
// If the otherWindow has SDL_WINDOW_OPENGL set, set it for the new window as well
if (otherWindow->flags & SDL_WINDOW_OPENGL)
{
window->flags |= SDL_WINDOW_OPENGL;
if(!WIN_GL_SetPixelFormatFrom(_this, otherWindow, window)) {
return -1;
}
}
}
}
}
#endif
return 0;
}
static int
GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 pixel_format, void * pixels, int pitch)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
Uint32 temp_format = SDL_PIXELFORMAT_ARGB8888;
void *temp_pixels;
int temp_pitch;
GLint internalFormat;
GLenum format, type;
Uint8 *src, *dst, *tmp;
int w, h, length, rows;
int status;
GL_ActivateRenderer(renderer);
temp_pitch = rect->w * SDL_BYTESPERPIXEL(temp_format);
temp_pixels = SDL_malloc(rect->h * temp_pitch);
if (!temp_pixels) {
SDL_OutOfMemory();
return -1;
}
convert_format(data, temp_format, &internalFormat, &format, &type);
SDL_GetWindowSize(window, &w, &h);
data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
data->glPixelStorei(GL_PACK_ROW_LENGTH,
(temp_pitch / SDL_BYTESPERPIXEL(temp_format)));
data->glReadPixels(rect->x, (h-rect->y)-rect->h, rect->w, rect->h,
format, type, temp_pixels);
/* Flip the rows to be top-down */
length = rect->w * SDL_BYTESPERPIXEL(temp_format);
src = (Uint8*)temp_pixels + (rect->h-1)*temp_pitch;
dst = (Uint8*)temp_pixels;
tmp = SDL_stack_alloc(Uint8, length);
rows = rect->h / 2;
while (rows--) {
SDL_memcpy(tmp, dst, length);
SDL_memcpy(dst, src, length);
SDL_memcpy(src, tmp, length);
dst += temp_pitch;
src -= temp_pitch;
}
SDL_stack_free(tmp);
status = SDL_ConvertPixels(rect->w, rect->h,
temp_format, temp_pixels, temp_pitch,
pixel_format, pixels, pitch);
SDL_free(temp_pixels);
return status;
}
void
WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
{
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
HICON hicon = NULL;
BYTE *icon_bmp;
int icon_len;
SDL_RWops *dst;
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 */
surface = SDL_ConvertSurfaceFormat(icon, SDL_PIXELFORMAT_ARGB8888, 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);
}
static int
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex *vertices;
int i;
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, count-1,
vertices, sizeof(*vertices));
/* DirectX 9 has the same line rasterization semantics as GDI,
so we need to close the endpoint of the line */
if (points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
vertices[0].x = (float) points[count-1].x;
vertices[0].y = (float) points[count-1].y;
result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1, vertices, sizeof(*vertices));
}
SDL_stack_free(vertices);
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
GDI_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
GDI_RenderData *data = (GDI_RenderData *) renderer->driverdata;
HPEN pen;
BOOL status;
if (data->makedirty) {
/* Get the smallest rectangle that contains everything */
SDL_Window *window = renderer->window;
SDL_Rect clip, rect;
clip.x = 0;
clip.y = 0;
clip.w = window->w;
clip.h = window->h;
SDL_EnclosePoints(points, count, NULL, &rect);
if (!SDL_IntersectRect(&rect, &clip, &rect)) {
/* Nothing to draw */
return 0;
}
SDL_AddDirtyRect(&data->dirty, &rect);
}
/* Should we cache the pen? .. it looks like GDI does for us. :) */
pen = CreatePen(PS_SOLID, 1, RGB(renderer->r, renderer->g, renderer->b));
SelectObject(data->current_hdc, pen);
{
LPPOINT p = SDL_stack_alloc(POINT, count);
int i;
for (i = 0; i < count; ++i) {
p[i].x = points[i].x;
p[i].y = points[i].y;
}
status = Polyline(data->current_hdc, p, count);
SDL_stack_free(p);
}
DeleteObject(pen);
/* Need to close the endpoint of the line */
if (points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
SetPixel(data->current_hdc, points[count-1].x, points[count-1].y,
RGB(renderer->r, renderer->g, renderer->b));
}
if (!status) {
WIN_SetError("Polyline()");
return -1;
}
return 0;
}
void
WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
{
HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
HICON hicon = NULL;
BYTE *icon_bmp;
int icon_len, mask_len, y;
SDL_RWops *dst;
/* Create temporary buffer for ICONIMAGE structure */
mask_len = (icon->h * (icon->w + 7)/8);
icon_len = 40 + icon->h * icon->w * sizeof(Uint32) + mask_len;
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 * sizeof(Uint32));
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
/* Write the pixels upside down into the bitmap buffer */
SDL_assert(icon->format->format == SDL_PIXELFORMAT_ARGB8888);
y = icon->h;
while (y--) {
Uint8 *src = (Uint8 *) icon->pixels + y * icon->pitch;
SDL_RWwrite(dst, src, icon->w * sizeof(Uint32), 1);
}
/* Write the mask */
SDL_memset(icon_bmp + icon_len - mask_len, 0xFF, mask_len);
hicon = CreateIconFromResource(icon_bmp, icon_len, TRUE, 0x00030000);
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);
}
static int
GLES_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 pixel_format, void * pixels, int pitch)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
Uint32 temp_format = renderer->target ? renderer->target->format : SDL_PIXELFORMAT_ABGR8888;
void *temp_pixels;
int temp_pitch;
Uint8 *src, *dst, *tmp;
int w, h, length, rows;
int status;
GLES_ActivateRenderer(renderer);
temp_pitch = rect->w * SDL_BYTESPERPIXEL(temp_format);
temp_pixels = SDL_malloc(rect->h * temp_pitch);
if (!temp_pixels) {
return SDL_OutOfMemory();
}
SDL_GetRendererOutputSize(renderer, &w, &h);
data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
data->glReadPixels(rect->x, renderer->target ? rect->y : (h-rect->y)-rect->h,
rect->w, rect->h, GL_RGBA, GL_UNSIGNED_BYTE, temp_pixels);
/* Flip the rows to be top-down if necessary */
if (!renderer->target) {
length = rect->w * SDL_BYTESPERPIXEL(temp_format);
src = (Uint8*)temp_pixels + (rect->h-1)*temp_pitch;
dst = (Uint8*)temp_pixels;
tmp = SDL_stack_alloc(Uint8, length);
rows = rect->h / 2;
while (rows--) {
SDL_memcpy(tmp, dst, length);
SDL_memcpy(dst, src, length);
SDL_memcpy(src, tmp, length);
dst += temp_pitch;
src -= temp_pitch;
}
SDL_stack_free(tmp);
}
status = SDL_ConvertPixels(rect->w, rect->h,
temp_format, temp_pixels, temp_pitch,
pixel_format, pixels, pitch);
SDL_free(temp_pixels);
return status;
}
static int
X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
unsigned long foreground;
XPoint *xpoints, *xpoint;
int i, xcount;
if (data->makedirty) {
SDL_Rect rect;
/* Get the smallest rectangle that contains everything */
rect.x = 0;
rect.y = 0;
rect.w = window->w;
rect.h = window->h;
if (!SDL_EnclosePoints(points, count, &rect, &rect)) {
/* Nothing to draw */
return 0;
}
SDL_AddDirtyRect(&data->dirty, &rect);
}
foreground = renderdrawcolor(renderer, 1);
XSetForeground(data->display, data->gc, foreground);
xpoint = xpoints = SDL_stack_alloc(XPoint, count);
xcount = 0;
for (i = 0; i < count; ++i) {
int x = points[i].x;
int y = points[i].y;
if (x < 0 || x >= window->w || y < 0 || y >= window->h) {
continue;
}
xpoint->x = (short)x;
xpoint->y = (short)y;
++xpoint;
++xcount;
}
if (xcount > 0) {
XDrawPoints(data->display, data->drawable, data->gc, xpoints, xcount,
CoordModeOrigin);
}
SDL_stack_free(xpoints);
return 0;
}
static int
SW_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects, int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Rect *final_rects;
int i, status;
if (!surface) {
return -1;
}
final_rects = SDL_stack_alloc(SDL_Rect, count);
if (!final_rects) {
return SDL_OutOfMemory();
}
if (renderer->viewport.x || renderer->viewport.y) {
int x = renderer->viewport.x;
int y = renderer->viewport.y;
for (i = 0; i < count; ++i) {
final_rects[i].x = (int)(x + rects[i].x);
final_rects[i].y = (int)(y + rects[i].y);
final_rects[i].w = SDL_max((int)rects[i].w, 1);
final_rects[i].h = SDL_max((int)rects[i].h, 1);
}
} else {
for (i = 0; i < count; ++i) {
final_rects[i].x = (int)rects[i].x;
final_rects[i].y = (int)rects[i].y;
final_rects[i].w = SDL_max((int)rects[i].w, 1);
final_rects[i].h = SDL_max((int)rects[i].h, 1);
}
}
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
status = SDL_FillRects(surface, final_rects, count, color);
} else {
status = SDL_BlendFillRects(surface, final_rects, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
SDL_stack_free(final_rects);
return status;
}
static int
SW_RenderDrawLines(SDL_Renderer * renderer, const SDL_FPoint * points,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Point *final_points;
int i, status;
if (!surface) {
return -1;
}
final_points = SDL_stack_alloc(SDL_Point, count);
if (!final_points) {
return SDL_OutOfMemory();
}
if (renderer->viewport.x || renderer->viewport.y) {
int x = renderer->viewport.x;
int y = renderer->viewport.y;
for (i = 0; i < count; ++i) {
final_points[i].x = (int)(x + points[i].x);
final_points[i].y = (int)(y + points[i].y);
}
} else {
for (i = 0; i < count; ++i) {
final_points[i].x = (int)points[i].x;
final_points[i].y = (int)points[i].y;
}
}
/* Draw the lines! */
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
status = SDL_DrawLines(surface, final_points, count, color);
} else {
status = SDL_BlendLines(surface, final_points, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
SDL_stack_free(final_points);
return status;
}
static int
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex *vertices;
int i;
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, count,
vertices, sizeof(*vertices));
SDL_stack_free(vertices);
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
Uint32 pixel_format, void * pixels, int pitch)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
GLint internalFormat;
GLenum format, type;
Uint8 *src, *dst, *tmp;
int w, h, length, rows;
GL_ActivateRenderer(renderer);
if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
/* FIXME: Do a temp copy to a format that is supported */
SDL_SetError("Unsupported pixel format");
return -1;
}
SDL_GetWindowSize(window, &w, &h);
data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
data->glPixelStorei(GL_PACK_ROW_LENGTH,
(pitch / SDL_BYTESPERPIXEL(pixel_format)));
data->glReadPixels(rect->x, (h-rect->y)-rect->h, rect->w, rect->h,
format, type, pixels);
/* Flip the rows to be top-down */
length = rect->w * SDL_BYTESPERPIXEL(pixel_format);
src = (Uint8*)pixels + (rect->h-1)*pitch;
dst = (Uint8*)pixels;
tmp = SDL_stack_alloc(Uint8, length);
rows = rect->h / 2;
while (rows--) {
SDL_memcpy(tmp, dst, length);
SDL_memcpy(dst, src, length);
SDL_memcpy(src, tmp, length);
dst += pitch;
src -= pitch;
}
SDL_stack_free(tmp);
return 0;
}
static int
X11_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
{
X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
SDL_Rect clip, rect;
unsigned long foreground;
XRectangle *xrects, *xrect;
int i, xcount;
clip.x = 0;
clip.y = 0;
clip.w = window->w;
clip.h = window->h;
foreground = renderdrawcolor(renderer, 1);
XSetForeground(data->display, data->gc, foreground);
xrect = xrects = SDL_stack_alloc(XRectangle, count);
xcount = 0;
for (i = 0; i < count; ++i) {
if (!SDL_IntersectRect(rects[i], &clip, &rect)) {
continue;
}
xrect->x = (short)rect.x;
xrect->y = (short)rect.y;
xrect->width = (unsigned short)rect.w;
xrect->height = (unsigned short)rect.h;
++xrect;
++xcount;
if (data->makedirty) {
SDL_AddDirtyRect(&data->dirty, &rect);
}
}
if (xcount > 0) {
XFillRectangles(data->display, data->drawable, data->gc,
xrects, xcount);
}
SDL_stack_free(xpoints);
return 0;
}
static int
SW_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
SDL_Surface *surface = SW_ActivateRenderer(renderer);
SDL_Point *temp = NULL;
int status;
if (!surface) {
return -1;
}
if (renderer->viewport.x || renderer->viewport.y) {
int i;
int x = renderer->viewport.x;
int y = renderer->viewport.y;
temp = SDL_stack_alloc(SDL_Point, count);
for (i = 0; i < count; ++i) {
temp[i].x = x + points[i].x;
temp[i].y = y + points[i].y;
}
points = temp;
}
/* Draw the lines! */
if (renderer->blendMode == SDL_BLENDMODE_NONE) {
Uint32 color = SDL_MapRGBA(surface->format,
renderer->r, renderer->g, renderer->b,
renderer->a);
status = SDL_DrawLines(surface, points, count, color);
} else {
status = SDL_BlendLines(surface, points, count,
renderer->blendMode,
renderer->r, renderer->g, renderer->b,
renderer->a);
}
if (temp) {
SDL_stack_free(temp);
}
return status;
}
static int
GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
int i;
GLshort *vertices;
GLES_SetDrawingState(renderer);
vertices = SDL_stack_alloc(GLshort, count*2);
for (i = 0; i < count; ++i) {
vertices[2*i+0] = (GLshort)points[i].x;
vertices[2*i+1] = (GLshort)points[i].y;
}
data->glVertexPointer(2, GL_SHORT, 0, vertices);
data->glDrawArrays(GL_POINTS, 0, count);
SDL_stack_free(vertices);
return 0;
}
/*
* If there is an existing add event in the queue, it needs to be modified
* to have the right value for which, because the number of controllers in
* the system is now one less.
*/
static void UpdateEventsForDeviceRemoval()
{
int i, num_events;
SDL_Event *events;
num_events = SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, SDL_JOYDEVICEADDED, SDL_JOYDEVICEADDED);
if (num_events <= 0) {
return;
}
events = SDL_stack_alloc(SDL_Event, num_events);
if (!events) {
return;
}
num_events = SDL_PeepEvents(events, num_events, SDL_GETEVENT, SDL_JOYDEVICEADDED, SDL_JOYDEVICEADDED);
for (i = 0; i < num_events; ++i) {
--events[i].jdevice.which;
}
SDL_PeepEvents(events, num_events, SDL_ADDEVENT, 0, 0);
SDL_stack_free(events);
}
void
SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
{
int i;
if (screen == SDL_ShadowSurface) {
for (i = 0; i < numrects; ++i) {
SDL_LowerBlit(SDL_ShadowSurface, &rects[i], SDL_VideoSurface,
&rects[i]);
}
/* Fall through to video surface update */
screen = SDL_VideoSurface;
}
if (screen == SDL_VideoSurface) {
if (SDL_VideoViewport.x || SDL_VideoViewport.y) {
SDL_Rect *stackrects = SDL_stack_alloc(SDL_Rect, numrects);
SDL_Rect *stackrect;
const SDL_Rect *rect;
/* Offset all the rectangles before updating */
for (i = 0; i < numrects; ++i) {
rect = &rects[i];
stackrect = &stackrects[i];
stackrect->x = SDL_VideoViewport.x + rect->x;
stackrect->y = SDL_VideoViewport.y + rect->y;
stackrect->w = rect->w;
stackrect->h = rect->h;
}
SDL_UpdateWindowSurfaceRects(SDL_VideoWindow, stackrects, numrects);
SDL_stack_free(stackrects);
} else {
SDL_UpdateWindowSurfaceRects(SDL_VideoWindow, rects, numrects);
}
}
}
static int ANDROID_LockHWSurface(_THIS, SDL_Surface *surface)
{
if( !SDL_ANDROID_InsideVideoThread() )
{
__android_log_print(ANDROID_LOG_INFO, "libSDL", "Error: calling %s not from the main thread!", __PRETTY_FUNCTION__);
return -1;
}
if( surface == SDL_CurrentVideoSurface )
{
// Copy pixels from pixelbuffer to video surface - this is slow!
Uint16 * row = NULL;
int fakeH = SDL_ANDROID_sFakeWindowHeight, fakeW = SDL_ANDROID_sFakeWindowWidth;
int realH = SDL_ANDROID_sWindowHeight, realW = SDL_ANDROID_sWindowWidth;
int x, y;
if( ! SDL_CurrentVideoSurface->pixels )
{
glPixelStorei(GL_PACK_ALIGNMENT, 1);
SDL_CurrentVideoSurface->pixels = SDL_malloc(SDL_ANDROID_sFakeWindowWidth * SDL_ANDROID_sFakeWindowHeight * SDL_ANDROID_BYTESPERPIXEL);
if ( ! SDL_CurrentVideoSurface->pixels ) {
__android_log_print(ANDROID_LOG_INFO, "libSDL", "Couldn't allocate buffer for SDL_CurrentVideoSurface");
SDL_SetError("Couldn't allocate buffer for SDL_CurrentVideoSurface");
return(-1);
}
}
if( ! SDL_CurrentVideoSurface->hwdata )
{
SDL_CurrentVideoSurface->hwdata = (struct private_hwdata *)SDL_CreateTexture(PixelFormatEnum, SDL_TEXTUREACCESS_STATIC, SDL_ANDROID_sFakeWindowWidth, SDL_ANDROID_sFakeWindowHeight);
if( !SDL_CurrentVideoSurface->hwdata ) {
__android_log_print(ANDROID_LOG_INFO, "libSDL", "Couldn't allocate texture for SDL_CurrentVideoSurface");
SDL_OutOfMemory();
return(-1);
}
if( SDL_ANDROID_SmoothVideo )
SDL_SetTextureScaleMode((SDL_Texture *)SDL_CurrentVideoSurface->hwdata, SDL_SCALEMODE_SLOW);
// Register main video texture to be recreated when needed
HwSurfaceCount++;
HwSurfaceList = SDL_realloc( HwSurfaceList, HwSurfaceCount * sizeof(SDL_Surface *) );
HwSurfaceList[HwSurfaceCount-1] = SDL_CurrentVideoSurface;
DEBUGOUT("ANDROID_SetVideoMode() HwSurfaceCount %d HwSurfaceList %p", HwSurfaceCount, HwSurfaceList);
}
row = SDL_stack_alloc(Uint16, SDL_ANDROID_sWindowWidth);
for(y=0; y<fakeH; y++)
{
// TODO: support 24bpp and 32bpp
glReadPixels(0, realH - 1 - (realH * y / fakeH),
realW, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, row);
for(x=0; x<fakeW; x++)
((Uint16 *)SDL_CurrentVideoSurface->pixels)[ fakeW * y + x ] = row[ x * fakeW / realW ];
}
SDL_stack_free(row);
}
if( !surface->hwdata )
return(-1);
// Extra check not necessary
/*
if( SDL_CurrentVideoSurface->format->BitsPerPixel == surface->format->BitsPerPixel &&
SDL_CurrentVideoSurface->format->Rmask == surface->format->Rmask &&
SDL_CurrentVideoSurface->format->Gmask == surface->format->Gmask &&
SDL_CurrentVideoSurface->format->Bmask == surface->format->Bmask &&
SDL_CurrentVideoSurface->format->Amask == surface->format->Amask )
return(0);
if( this->displayformatalphapixel->BitsPerPixel == surface->format->BitsPerPixel &&
this->displayformatalphapixel->Rmask == surface->format->Rmask &&
this->displayformatalphapixel->Gmask == surface->format->Gmask &&
this->displayformatalphapixel->Bmask == surface->format->Bmask &&
this->displayformatalphapixel->Amask == surface->format->Amask )
return(0);
return(-1);
*/
return(0);
}
static int
X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
X11_RenderData *data = (X11_RenderData *) renderer->driverdata;
SDL_Window *window = renderer->window;
SDL_Rect clip, rect;
unsigned long foreground;
XPoint *xpoints, *xpoint;
int i, xcount;
int minx, miny;
int maxx, maxy;
clip.x = 0;
clip.y = 0;
clip.w = window->w;
clip.h = window->h;
foreground = renderdrawcolor(renderer, 1);
XSetForeground(data->display, data->gc, foreground);
xpoint = xpoints = SDL_stack_alloc(XPoint, count);
xcount = 0;
minx = INT_MAX;
miny = INT_MAX;
maxx = INT_MIN;
maxy = INT_MIN;
for (i = 0; i < count; ++i) {
int x = points[i].x;
int y = points[i].y;
/* If the point is inside the window, add it to the list */
if (x >= 0 && x < window->w && y >= 0 && y < window->h) {
if (x < minx) {
minx = x;
} else if (x > maxx) {
maxx = x;
}
if (y < miny) {
miny = y;
} else if (y > maxy) {
maxy = y;
}
xpoint->x = (short)x;
xpoint->y = (short)y;
++xpoint;
++xcount;
continue;
}
/* We need to clip the line segments joined by this point */
if (xcount > 0) {
int x1 = xpoint[-1].x;
int y1 = xpoint[-1].y;
int x2 = x;
int y2 = y;
if (SDL_IntersectRectAndLine(&clip, &x1, &y1, &x2, &y2)) {
if (x2 < minx) {
minx = x2;
} else if (x2 > maxx) {
maxx = x2;
}
if (y2 < miny) {
miny = y2;
} else if (y2 > maxy) {
maxy = y2;
}
xpoint->x = (short)x2;
xpoint->y = (short)y2;
++xpoint;
++xcount;
}
XDrawLines(data->display, data->drawable, data->gc,
xpoints, xcount, CoordModeOrigin);
if (xpoints[0].x != x2 || xpoints[0].y != y2) {
XDrawPoint(data->display, data->drawable, data->gc, x2, y2);
}
if (data->makedirty) {
SDL_Rect rect;
rect.x = minx;
rect.y = miny;
rect.w = (maxx - minx) + 1;
rect.h = (maxy - miny) + 1;
SDL_AddDirtyRect(&data->dirty, &rect);
}
xpoint = xpoints;
xcount = 0;
minx = INT_MAX;
miny = INT_MAX;
maxx = INT_MIN;
maxy = INT_MIN;
}
if (i < (count-1)) {
int x1 = x;
int y1 = y;
int x2 = points[i+1].x;
int y2 = points[i+1].y;
if (SDL_IntersectRectAndLine(&clip, &x1, &y1, &x2, &y2)) {
if (x1 < minx) {
minx = x1;
} else if (x1 > maxx) {
maxx = x1;
}
if (y1 < miny) {
miny = y1;
} else if (y1 > maxy) {
maxy = y1;
}
xpoint->x = (short)x1;
xpoint->y = (short)y1;
++xpoint;
++xcount;
}
}
}
if (xcount > 1) {
int x2 = xpoint[-1].x;
int y2 = xpoint[-1].y;
XDrawLines(data->display, data->drawable, data->gc, xpoints, xcount,
CoordModeOrigin);
if (xpoints[0].x != x2 || xpoints[0].y != y2) {
XDrawPoint(data->display, data->drawable, data->gc, x2, y2);
}
if (data->makedirty) {
SDL_Rect rect;
rect.x = minx;
rect.y = miny;
rect.w = (maxx - minx) + 1;
rect.h = (maxy - miny) + 1;
SDL_AddDirtyRect(&data->dirty, &rect);
}
}
SDL_stack_free(xpoints);
return 0;
}
static SDL_Cursor *
WIN_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
{
/* msdn says cursor mask has to be padded out to word alignment. Not sure
if that means machine word or WORD, but this handles either case. */
const size_t pad = (sizeof (size_t) * 8); /* 32 or 64, or whatever. */
SDL_Cursor *cursor;
HICON hicon;
HDC hdc;
BITMAPV4HEADER bmh;
LPVOID pixels;
LPVOID maskbits;
size_t maskbitslen;
ICONINFO ii;
SDL_zero(bmh);
bmh.bV4Size = sizeof(bmh);
bmh.bV4Width = surface->w;
bmh.bV4Height = -surface->h; /* Invert the image */
bmh.bV4Planes = 1;
bmh.bV4BitCount = 32;
bmh.bV4V4Compression = BI_BITFIELDS;
bmh.bV4AlphaMask = 0xFF000000;
bmh.bV4RedMask = 0x00FF0000;
bmh.bV4GreenMask = 0x0000FF00;
bmh.bV4BlueMask = 0x000000FF;
maskbitslen = ((surface->w + (pad - (surface->w % pad))) / 8) * surface->h;
maskbits = SDL_stack_alloc(Uint8,maskbitslen);
if (maskbits == NULL) {
SDL_OutOfMemory();
return NULL;
}
/* AND the cursor against full bits: no change. We already have alpha. */
SDL_memset(maskbits, 0xFF, maskbitslen);
hdc = GetDC(NULL);
SDL_zero(ii);
ii.fIcon = FALSE;
ii.xHotspot = (DWORD)hot_x;
ii.yHotspot = (DWORD)hot_y;
ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO*)&bmh, DIB_RGB_COLORS, &pixels, NULL, 0);
ii.hbmMask = CreateBitmap(surface->w, surface->h, 1, 1, maskbits);
ReleaseDC(NULL, hdc);
SDL_stack_free(maskbits);
SDL_assert(surface->format->format == SDL_PIXELFORMAT_ARGB8888);
SDL_assert(surface->pitch == surface->w * 4);
SDL_memcpy(pixels, surface->pixels, surface->h * surface->pitch);
hicon = CreateIconIndirect(&ii);
DeleteObject(ii.hbmColor);
DeleteObject(ii.hbmMask);
if (!hicon) {
WIN_SetError("CreateIconIndirect()");
return NULL;
}
cursor = SDL_calloc(1, sizeof(*cursor));
if (cursor) {
cursor->driverdata = hicon;
} else {
DestroyIcon(hicon);
SDL_OutOfMemory();
}
return cursor;
}
bool GraphicsHelps::setWindowIcon(SDL_Window *window, FIBITMAP *img, int iconSize)
{
#ifdef _WIN32
struct SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version);
if(-1 == SDL_GetWindowWMInfo(window, &wmInfo))
return false;
if(wmInfo.subsystem != SDL_SYSWM_WINDOWS)
return false;
HWND windowH = wmInfo.info.win.window;
HICON hicon = NULL;
BYTE *icon_bmp;
unsigned int icon_len, y;
SDL_RWops *dst;
unsigned int w = FreeImage_GetWidth(img);
unsigned int h = FreeImage_GetWidth(img);
Uint8 *bits = (Uint8 *)FreeImage_GetBits(img);
unsigned int pitch = FreeImage_GetPitch(img);
/* Create temporary bitmap buffer */
icon_len = 40 + h * 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 false;
}
/* Write the BITMAPINFO header */
SDL_WriteLE32(dst, 40);
SDL_WriteLE32(dst, w);
SDL_WriteLE32(dst, h * 2);
SDL_WriteLE16(dst, 1);
SDL_WriteLE16(dst, 32);
SDL_WriteLE32(dst, BI_RGB);
SDL_WriteLE32(dst, h * w * 4);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
SDL_WriteLE32(dst, 0);
y = 0;
do
{
Uint8 *src = bits + y * pitch;
SDL_RWwrite(dst, src, pitch, 1);
}
while(++y < h);
hicon = CreateIconFromResource(icon_bmp, icon_len, TRUE, 0x00030000);
SDL_RWclose(dst);
SDL_stack_free(icon_bmp);
/* Set the icon for the window */
SendMessage(windowH, WM_SETICON, (iconSize < 32) ? ICON_SMALL : ICON_BIG, (LPARAM) hicon);
#else
(void)iconSize;
SDL_Surface *sicon = GraphicsHelps::fi2sdl(img);
SDL_SetWindowIcon(window, sicon);
SDL_FreeSurface(sicon);
const char *error = SDL_GetError();
if(*error != '\0')
return false;
#endif
return true;
}
int
main(int argc, char *argv[])
{
DrawState *drawstates;
int i, done;
SDL_Event event;
int frames;
Uint32 then, now;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
/* Initialize test framework */
state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
if (!state) {
return 1;
}
for (i = 1; i < argc;) {
int consumed;
consumed = SDLTest_CommonArg(state, i);
if (consumed == 0) {
SDL_Log("Usage: %s %s\n", argv[0], SDLTest_CommonUsage(state));
return 1;
}
i += consumed;
}
if (!SDLTest_CommonInit(state)) {
quit(2);
}
drawstates = SDL_stack_alloc(DrawState, state->num_windows);
for (i = 0; i < state->num_windows; ++i) {
DrawState *drawstate = &drawstates[i];
drawstate->window = state->windows[i];
drawstate->renderer = state->renderers[i];
drawstate->sprite = LoadTexture(drawstate->renderer, "icon.bmp", SDL_TRUE);
drawstate->background = LoadTexture(drawstate->renderer, "sample.bmp", SDL_FALSE);
if (!drawstate->sprite || !drawstate->background) {
quit(2);
}
SDL_QueryTexture(drawstate->sprite, NULL, NULL,
&drawstate->sprite_rect.w, &drawstate->sprite_rect.h);
drawstate->scale_direction = 1;
}
/* Main render loop */
frames = 0;
then = SDL_GetTicks();
done = 0;
while (!done) {
/* Check for events */
++frames;
while (SDL_PollEvent(&event)) {
SDLTest_CommonEvent(state, &event, &done);
}
for (i = 0; i < state->num_windows; ++i) {
if (state->windows[i] == NULL)
continue;
Draw(&drawstates[i]);
}
}
/* Print out some timing information */
now = SDL_GetTicks();
if (now > then) {
double fps = ((double) frames * 1000) / (now - then);
SDL_Log("%2.2f frames per second\n", fps);
}
SDL_stack_free(drawstates);
quit(0);
return 0;
}
int WIN_CreateWindowFramebuffer(_THIS, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
size_t size;
LPBITMAPINFO info;
HBITMAP hbm;
/* Free the old framebuffer surface */
if (data->mdc) {
DeleteDC(data->mdc);
}
if (data->hbm) {
DeleteObject(data->hbm);
}
/* Find out the format of the screen */
size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD);
info = (LPBITMAPINFO)SDL_stack_alloc(Uint8, size);
SDL_memset(info, 0, size);
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
/* The second call to GetDIBits() fills in the bitfields */
hbm = CreateCompatibleBitmap(data->hdc, 1, 1);
GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS);
GetDIBits(data->hdc, hbm, 0, 0, NULL, info, DIB_RGB_COLORS);
DeleteObject(hbm);
*format = SDL_PIXELFORMAT_UNKNOWN;
if (info->bmiHeader.biCompression == BI_BITFIELDS) {
int bpp;
Uint32 *masks;
bpp = info->bmiHeader.biPlanes * info->bmiHeader.biBitCount;
masks = (Uint32*)((Uint8*)info + info->bmiHeader.biSize);
*format = SDL_MasksToPixelFormatEnum(bpp, masks[0], masks[1], masks[2], 0);
}
if (*format == SDL_PIXELFORMAT_UNKNOWN)
{
/* We'll use RGB format for now */
*format = SDL_PIXELFORMAT_RGB888;
/* Create a new one */
SDL_memset(info, 0, size);
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = 32;
info->bmiHeader.biCompression = BI_RGB;
}
/* Fill in the size information */
*pitch = (((window->w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3);
info->bmiHeader.biWidth = window->w;
info->bmiHeader.biHeight = -window->h; /* negative for topdown bitmap */
info->bmiHeader.biSizeImage = window->h * (*pitch);
data->mdc = CreateCompatibleDC(data->hdc);
data->hbm = CreateDIBSection(data->hdc, info, DIB_RGB_COLORS, pixels, NULL, 0);
SDL_stack_free(info);
if (!data->hbm) {
return WIN_SetError("Unable to create DIB");
}
SelectObject(data->mdc, data->hbm);
return 0;
}
