// Go down shadow layer tree and apply transformations for scrollable layers.
static void
TransformShadowTree(nsDisplayListBuilder* aBuilder, nsFrameLoader* aFrameLoader,
nsIFrame* aFrame, Layer* aLayer,
const ViewTransform& aTransform)
{
ShadowLayer* shadow = aLayer->AsShadowLayer();
shadow->SetShadowClipRect(aLayer->GetClipRect());
shadow->SetShadowVisibleRegion(aLayer->GetVisibleRegion());
const FrameMetrics* metrics = GetFrameMetrics(aLayer);
gfx3DMatrix shadowTransform;
ViewTransform layerTransform = aTransform;
if (metrics && metrics->IsScrollable()) {
const ViewID scrollId = metrics->mScrollId;
const nsContentView* view =
aFrameLoader->GetCurrentRemoteFrame()->GetContentView(scrollId);
NS_ABORT_IF_FALSE(view, "Array of views should be consistent with layer tree");
const gfx3DMatrix& currentTransform = aLayer->GetTransform();
ViewTransform viewTransform = ComputeShadowTreeTransform(
aFrame, aFrameLoader, metrics, view->GetViewConfig(),
1 / (GetXScale(currentTransform)*layerTransform.mXScale),
1 / (GetYScale(currentTransform)*layerTransform.mYScale)
);
// Apply the layer's own transform *before* the view transform
shadowTransform = gfx3DMatrix(viewTransform) * currentTransform;
if (metrics->IsRootScrollable()) {
layerTransform.mTranslation = viewTransform.mTranslation;
// Apply the root frame translation *before* we do the rest of the transforms.
nsIntPoint rootFrameOffset = GetRootFrameOffset(aFrame, aBuilder);
shadowTransform = shadowTransform *
gfx3DMatrix::Translation(float(rootFrameOffset.x), float(rootFrameOffset.y), 0.0);
layerTransform.mXScale *= GetXScale(currentTransform);
layerTransform.mYScale *= GetYScale(currentTransform);
}
} else {
shadowTransform = aLayer->GetTransform();
}
if (aLayer->GetIsFixedPosition() &&
!aLayer->GetParent()->GetIsFixedPosition()) {
ReverseTranslate(shadowTransform, layerTransform);
const nsIntRect* clipRect = shadow->GetShadowClipRect();
if (clipRect) {
nsIntRect transformedClipRect(*clipRect);
transformedClipRect.MoveBy(shadowTransform._41, shadowTransform._42);
shadow->SetShadowClipRect(&transformedClipRect);
}
}
shadow->SetShadowTransform(shadowTransform);
for (Layer* child = aLayer->GetFirstChild();
child; child = child->GetNextSibling()) {
TransformShadowTree(aBuilder, aFrameLoader, aFrame, child, layerTransform);
}
}
// Use shadow layer tree to build display list for the browser's frame.
static void
BuildListForLayer(Layer* aLayer,
nsFrameLoader* aRootFrameLoader,
const gfx3DMatrix& aTransform,
nsDisplayListBuilder* aBuilder,
nsDisplayList& aShadowTree,
nsIFrame* aSubdocFrame)
{
const FrameMetrics* metrics = GetFrameMetrics(aLayer);
gfx3DMatrix transform;
if (metrics && metrics->IsScrollable()) {
const ViewID scrollId = metrics->mScrollId;
// We need to figure out the bounds of the scrollable region using the
// shadow layer tree from the remote process. The metrics viewport is
// defined based on all the transformations of its parent layers and
// the scale of the current layer.
// Calculate transform for this layer.
nsContentView* view =
aRootFrameLoader->GetCurrentRemoteFrame()->GetContentView(scrollId);
// XXX why don't we include aLayer->GetTransform() in the inverse-scale here?
// This seems wrong, but it doesn't seem to cause bugs!
gfx3DMatrix applyTransform = ComputeShadowTreeTransform(
aSubdocFrame, aRootFrameLoader, metrics, view->GetViewConfig(),
1 / GetXScale(aTransform), 1 / GetYScale(aTransform));
transform = applyTransform * aLayer->GetTransform() * aTransform;
// As mentioned above, bounds calculation also depends on the scale
// of this layer.
gfx3DMatrix tmpTransform = aTransform;
Scale(tmpTransform, GetXScale(applyTransform), GetYScale(applyTransform));
// Calculate rect for this layer based on aTransform.
nsRect bounds;
{
nscoord auPerDevPixel = aSubdocFrame->PresContext()->AppUnitsPerDevPixel();
bounds = metrics->mViewport.ToAppUnits(auPerDevPixel);
ApplyTransform(bounds, tmpTransform, auPerDevPixel);
}
aShadowTree.AppendToTop(
new (aBuilder) nsDisplayRemoteShadow(aBuilder, aSubdocFrame, bounds, scrollId));
} else {
transform = aLayer->GetTransform() * aTransform;
}
for (Layer* child = aLayer->GetFirstChild(); child;
child = child->GetNextSibling()) {
BuildListForLayer(child, aRootFrameLoader, transform,
aBuilder, aShadowTree, aSubdocFrame);
}
}
// --------------------------------------------------------------
// Called by: GRPage, GRStaff, GRSystem
void
GDeviceWin32::OffsetOrigin( float x, float y )
{
// const float prevX = mOriginX;
// const float prevY = mOriginY;
mOriginX += x;
mOriginY += y;
mWinOriginX += (x) * GetXScale(); // (JB) test
mWinOriginY += (y) * GetYScale();
::SetViewportOrgEx( mHDC, RInt( mWinOriginX ), RInt( mWinOriginY ), NULL );
}
// Recursively create a new array of scrollables, preserving any scrollables
// that are still in the layer tree.
//
// aXScale and aYScale are used to calculate any values that need to be in
// chrome-document CSS pixels and aren't part of the rendering loop, such as
// the initial scroll offset for a new view.
static void
BuildViewMap(ViewMap& oldContentViews, ViewMap& newContentViews,
nsFrameLoader* aFrameLoader, Layer* aLayer,
float aXScale = 1, float aYScale = 1)
{
ContainerLayer* container = aLayer->AsContainerLayer();
if (!container)
return;
const FrameMetrics metrics = container->GetFrameMetrics();
const ViewID scrollId = metrics.mScrollId;
const gfx3DMatrix transform = aLayer->GetTransform();
aXScale *= GetXScale(transform);
aYScale *= GetYScale(transform);
if (metrics.IsScrollable()) {
nscoord auPerDevPixel = aFrameLoader->GetPrimaryFrameOfOwningContent()
->PresContext()->AppUnitsPerDevPixel();
nsContentView* view = FindViewForId(oldContentViews, scrollId);
if (view) {
// View already exists. Be sure to propagate scales for any values
// that need to be calculated something in chrome-doc CSS pixels.
ViewConfig config = view->GetViewConfig();
aXScale *= config.mXScale;
aYScale *= config.mYScale;
view->mFrameLoader = aFrameLoader;
} else {
// View doesn't exist, so generate one. We start the view scroll offset at
// the same position as the framemetric's scroll offset from the layer.
// The default scale is 1, so no need to propagate scale down.
ViewConfig config;
config.mScrollOffset = nsPoint(
NSIntPixelsToAppUnits(metrics.mViewportScrollOffset.x, auPerDevPixel) * aXScale,
NSIntPixelsToAppUnits(metrics.mViewportScrollOffset.y, auPerDevPixel) * aYScale);
view = new nsContentView(aFrameLoader, scrollId, config);
}
view->mViewportSize = nsSize(
NSIntPixelsToAppUnits(metrics.mViewport.width, auPerDevPixel) * aXScale,
NSIntPixelsToAppUnits(metrics.mViewport.height, auPerDevPixel) * aYScale);
view->mContentSize = nsSize(
NSIntPixelsToAppUnits(metrics.mContentSize.width, auPerDevPixel) * aXScale,
NSIntPixelsToAppUnits(metrics.mContentSize.height, auPerDevPixel) * aYScale);
newContentViews[scrollId] = view;
}
for (Layer* child = aLayer->GetFirstChild();
child; child = child->GetNextSibling()) {
BuildViewMap(oldContentViews, newContentViews, aFrameLoader, child,
aXScale, aYScale);
}
}
// --------------------------------------------------------------
void
GDeviceWin32::SetOrigin( float x, float y )
{
const float prevX = mOriginX;
const float prevY = mOriginY;
mOriginX = x; // voir def dans VGDev.cpp
mOriginY = y;
mWinOriginX += (x - prevX) * GetXScale(); // (JB) test
mWinOriginY += (y - prevY) * GetYScale();
// mWinOriginX += (x - prevX) ; // (JB) test
// mWinOriginY += (y - prevY) ;
::SetViewportOrgEx( mHDC, RInt( mWinOriginX ), RInt( mWinOriginY ), NULL );
}
// --------------------------------------------------------------
bool GDeviceWin32::Win32ApplyTransform()
{
const float xScale = GetXScale();
const float yScale = GetYScale();
float width, height, newWidth, newHeight;
// - Original code, the standard way to calculate new size.
width = (float)GetWidth();
height = (float)GetHeight();
newWidth = width * xScale;
newHeight = height * yScale;
// Win95 : Coordinates can't be larger than 16 bit.
if( mMaximizeAxis || width > 32000 || height > 32000
|| newWidth > 32000 || newHeight > 32000 )
{
// Then, use the largest extent possible, but under 32000
if( xScale <= 1 ) {
width = 32000;
newWidth = width * xScale;
} else {
newWidth = 32000;
width = newWidth / xScale;
}
if( yScale <= 1 ) {
height = 32000;
newHeight = height * yScale;
} else {
newHeight = 32000;
height = newHeight / yScale;
}
}
BOOL result;
// OK for everything but print preview ->
result = ::SetWindowExtEx( mHDC, RInt( width ), RInt( height ), NULL );
result = ::SetViewportExtEx( mHDC, RInt( newWidth ), RInt( newHeight ), NULL );
return true;
}
/**
* Attempts to initialize the graphical video display. Returns 0 on
* success, -1 on failure.
*/
int
InitVideo(FCEUGI *gi)
{
// XXX soules - const? is this necessary?
const SDL_VideoInfo *vinf;
int error, flags = 0;
int doublebuf, xstretch, ystretch, xres, yres, show_fps;
FCEUI_printf("Initializing video...");
// load the relevant configuration variables
g_config->getOption("SDL.Fullscreen", &s_fullscreen);
g_config->getOption("SDL.DoubleBuffering", &doublebuf);
#ifdef OPENGL
g_config->getOption("SDL.OpenGL", &s_useOpenGL);
#endif
g_config->getOption("SDL.SpecialFilter", &s_sponge);
g_config->getOption("SDL.XStretch", &xstretch);
g_config->getOption("SDL.YStretch", &ystretch);
g_config->getOption("SDL.LastXRes", &xres);
g_config->getOption("SDL.LastYRes", &yres);
g_config->getOption("SDL.ClipSides", &s_clipSides);
g_config->getOption("SDL.NoFrame", &noframe);
g_config->getOption("SDL.ShowFPS", &show_fps);
// check the starting, ending, and total scan lines
FCEUI_GetCurrentVidSystem(&s_srendline, &s_erendline);
s_tlines = s_erendline - s_srendline + 1;
// check if we should auto-set x/y resolution
// check for OpenGL and set the global flags
#if OPENGL
if(s_useOpenGL && !s_sponge) {
flags = SDL_OPENGL;
}
#endif
// initialize the SDL video subsystem if it is not already active
if(!SDL_WasInit(SDL_INIT_VIDEO)) {
error = SDL_InitSubSystem(SDL_INIT_VIDEO);
if(error) {
FCEUD_PrintError(SDL_GetError());
return -1;
}
}
s_inited = 1;
// shows the cursor within the display window
SDL_ShowCursor(1);
// determine if we can allocate the display on the video card
vinf = SDL_GetVideoInfo();
if(vinf->hw_available) {
flags |= SDL_HWSURFACE;
}
// get the monitor's current resolution if we do not already have it
if(s_nativeWidth < 0) {
s_nativeWidth = vinf->current_w;
}
if(s_nativeHeight < 0) {
s_nativeHeight = vinf->current_h;
}
// check to see if we are showing FPS
FCEUI_SetShowFPS(show_fps);
// check if we are rendering fullscreen
if(s_fullscreen) {
int no_cursor;
g_config->getOption("SDL.NoFullscreenCursor", &no_cursor);
flags |= SDL_FULLSCREEN;
SDL_ShowCursor(!no_cursor);
}
else {
SDL_ShowCursor(1);
}
if(noframe) {
flags |= SDL_NOFRAME;
}
// gives the SDL exclusive palette control... ensures the requested colors
// flags |= SDL_HWPALETTE;
// enable double buffering if requested and we have hardware support
#ifdef OPENGL
if(s_useOpenGL) {
FCEU_printf("Initializing with OpenGL (Disable with '--opengl 0').\n");
if(doublebuf) {
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
}
} else
#endif
if(doublebuf && (flags & SDL_HWSURFACE)) {
flags |= SDL_DOUBLEBUF;
}
if(s_fullscreen) {
int desbpp, autoscale;
g_config->getOption("SDL.BitsPerPixel", &desbpp);
g_config->getOption("SDL.AutoScale", &autoscale);
if (autoscale)
{
double auto_xscale = GetXScale(xres);
double auto_yscale = GetYScale(yres);
double native_ratio = ((double)NWIDTH) / s_tlines;
double screen_ratio = ((double)xres) / yres;
int keep_ratio;
g_config->getOption("SDL.KeepRatio", &keep_ratio);
// Try to choose resolution
if (screen_ratio < native_ratio)
{
// The screen is narrower than the original. Maximizing width will not clip
auto_xscale = auto_yscale = GetXScale(xres);
if (keep_ratio)
auto_yscale = GetYScale(yres);
}
else
{
auto_yscale = auto_xscale = GetYScale(yres);
if (keep_ratio)
auto_xscale = GetXScale(xres);
}
s_exs = auto_xscale;
s_eys = auto_yscale;
}
else
{
g_config->getOption("SDL.XScale", &s_exs);
g_config->getOption("SDL.YScale", &s_eys);
}
g_config->getOption("SDL.SpecialFX", &s_eefx);
#ifdef OPENGL
if(!s_useOpenGL) {
s_exs = (int)s_exs;
s_eys = (int)s_eys;
} else {
desbpp = 0;
}
// -Video Modes Tag-
if(s_sponge) {
if(s_sponge == 4 || s_sponge == 5) {
s_exs = s_eys = 3;
} else {
s_exs = s_eys = 2;
}
s_eefx = 0;
if(s_sponge == 1 || s_sponge == 4) {
desbpp = 32;
}
}
if((s_useOpenGL && !xstretch) || !s_useOpenGL)
#endif
if(xres < (NWIDTH * s_exs) || s_exs <= 0.01) {
FCEUD_PrintError("xscale out of bounds.");
KillVideo();
return -1;
}
#ifdef OPENGL
if((s_useOpenGL && !ystretch) || !s_useOpenGL)
#endif
if(yres < s_tlines * s_eys || s_eys <= 0.01) {
FCEUD_PrintError("yscale out of bounds.");
KillVideo();
return -1;
}
#ifdef OPENGL
s_screen = SDL_SetVideoMode(s_useOpenGL ? s_nativeWidth : xres,
s_useOpenGL ? s_nativeHeight : yres,
desbpp, flags);
#else
s_screen = SDL_SetVideoMode(xres, yres, desbpp, flags);
#endif
if(!s_screen) {
FCEUD_PrintError(SDL_GetError());
return -1;
}
} else {
int desbpp;
g_config->getOption("SDL.BitsPerPixel", &desbpp);
g_config->getOption("SDL.XScale", &s_exs);
g_config->getOption("SDL.YScale", &s_eys);
g_config->getOption("SDL.SpecialFX", &s_eefx);
// -Video Modes Tag-
if(s_sponge) {
if(s_sponge >= 4) {
s_exs = s_eys = 3;
} else {
s_exs = s_eys = 2;
}
s_eefx = 0;
}
#ifdef OPENGL
if(!s_useOpenGL) {
s_exs = (int)s_exs;
s_eys = (int)s_eys;
}
if(s_exs <= 0.01) {
FCEUD_PrintError("xscale out of bounds.");
KillVideo();
return -1;
}
if(s_eys <= 0.01) {
FCEUD_PrintError("yscale out of bounds.");
KillVideo();
return -1;
}
if(s_sponge && s_useOpenGL) {
FCEUD_PrintError("scalers not compatible with openGL mode.");
KillVideo();
return -1;
}
#endif
#if defined(_GTK) && defined(SDL_VIDEO_DRIVER_X11)
if(noGui == 0)
{
while (gtk_events_pending())
gtk_main_iteration_do(FALSE);
char SDL_windowhack[128];
sprintf(SDL_windowhack, "SDL_WINDOWID=%u", (unsigned int)GDK_WINDOW_XID(gtk_widget_get_window(evbox)));
SDL_putenv(SDL_windowhack);
// init SDL video
if (SDL_WasInit(SDL_INIT_VIDEO))
SDL_QuitSubSystem(SDL_INIT_VIDEO);
if ( SDL_InitSubSystem(SDL_INIT_VIDEO) < 0 )
{
fprintf(stderr, "Couldn't init SDL video: %s\n", SDL_GetError());
gtk_main_quit();
}
}
#endif
s_screen = SDL_SetVideoMode((int)(NWIDTH * s_exs),
(int)(s_tlines * s_eys),
desbpp, flags);
if(!s_screen) {
FCEUD_PrintError(SDL_GetError());
return -1;
}
#ifdef _GTK
if(noGui == 0)
{
GtkRequisition req;
gtk_widget_size_request(GTK_WIDGET(MainWindow), &req);
gtk_window_resize(GTK_WINDOW(MainWindow), req.width, req.height);
}
#endif
}
s_curbpp = s_screen->format->BitsPerPixel;
if(!s_screen) {
FCEUD_PrintError(SDL_GetError());
KillVideo();
return -1;
}
#if 0
// XXX soules - this would be creating a surface on the video
// card, but was commented out for some reason...
s_BlitBuf = SDL_CreateRGBSurface(SDL_HWSURFACE, 256, 240,
s_screen->format->BitsPerPixel,
s_screen->format->Rmask,
s_screen->format->Gmask,
s_screen->format->Bmask, 0);
#endif
FCEU_printf(" Video Mode: %d x %d x %d bpp %s\n",
s_screen->w, s_screen->h, s_screen->format->BitsPerPixel,
s_fullscreen ? "full screen" : "");
if(s_curbpp != 8 && s_curbpp != 16 && s_curbpp != 24 && s_curbpp != 32) {
FCEU_printf(" Sorry, %dbpp modes are not supported by FCE Ultra. Supported bit depths are 8bpp, 16bpp, and 32bpp.\n", s_curbpp);
KillVideo();
return -1;
}
// if the game being run has a name, set it as the window name
if(gi)
{
if(gi->name) {
SDL_WM_SetCaption((const char *)gi->name, (const char *)gi->name);
} else {
SDL_WM_SetCaption(FCEU_NAME_AND_VERSION,"FCE Ultra");
}
}
// create the surface for displaying graphical messages
#ifdef LSB_FIRST
s_IconSurface = SDL_CreateRGBSurfaceFrom((void *)fceu_playicon.pixel_data,
32, 32, 24, 32 * 3,
0xFF, 0xFF00, 0xFF0000, 0x00);
#else
s_IconSurface = SDL_CreateRGBSurfaceFrom((void *)fceu_playicon.pixel_data,
32, 32, 24, 32 * 3,
0xFF0000, 0xFF00, 0xFF, 0x00);
#endif
SDL_WM_SetIcon(s_IconSurface,0);
s_paletterefresh = 1;
// XXX soules - can't SDL do this for us?
// if using more than 8bpp, initialize the conversion routines
if(s_curbpp > 8) {
InitBlitToHigh(s_curbpp >> 3,
s_screen->format->Rmask,
s_screen->format->Gmask,
s_screen->format->Bmask,
s_eefx, s_sponge, 0);
#ifdef OPENGL
if(s_useOpenGL)
{
int openGLip;
g_config->getOption("SDL.OpenGLip", &openGLip);
if(!InitOpenGL(NOFFSET, 256 - (s_clipSides ? 8 : 0),
s_srendline, s_erendline + 1,
s_exs, s_eys, s_eefx,
openGLip, xstretch, ystretch, s_screen))
{
FCEUD_PrintError("Error initializing OpenGL.");
KillVideo();
return -1;
}
}
#endif
}
// Recursively create a new array of scrollables, preserving any scrollables
// that are still in the layer tree.
//
// aXScale and aYScale are used to calculate any values that need to be in
// chrome-document CSS pixels and aren't part of the rendering loop, such as
// the initial scroll offset for a new view.
static void
BuildViewMap(ViewMap& oldContentViews, ViewMap& newContentViews,
nsFrameLoader* aFrameLoader, Layer* aLayer,
float aXScale = 1, float aYScale = 1,
float aAccConfigXScale = 1, float aAccConfigYScale = 1)
{
ContainerLayer* container = aLayer->AsContainerLayer();
if (!container)
return;
const FrameMetrics metrics = container->GetFrameMetrics();
const ViewID scrollId = metrics.mScrollId;
const gfx3DMatrix transform = aLayer->GetTransform();
aXScale *= GetXScale(transform);
aYScale *= GetYScale(transform);
if (metrics.IsScrollable()) {
nscoord auPerDevPixel = aFrameLoader->GetPrimaryFrameOfOwningContent()
->PresContext()->AppUnitsPerDevPixel();
nsContentView* view = FindViewForId(oldContentViews, scrollId);
if (view) {
// View already exists. Be sure to propagate scales for any values
// that need to be calculated something in chrome-doc CSS pixels.
ViewConfig config = view->GetViewConfig();
aXScale *= config.mXScale;
aYScale *= config.mYScale;
view->mFrameLoader = aFrameLoader;
// If scale has changed, then we should update
// current scroll offset to new scaled value
if (aAccConfigXScale != view->mParentScaleX ||
aAccConfigYScale != view->mParentScaleY) {
float xscroll = 0, yscroll = 0;
view->GetScrollX(&xscroll);
view->GetScrollY(&yscroll);
xscroll = xscroll * (aAccConfigXScale / view->mParentScaleX);
yscroll = yscroll * (aAccConfigYScale / view->mParentScaleY);
view->ScrollTo(xscroll, yscroll);
view->mParentScaleX = aAccConfigXScale;
view->mParentScaleY = aAccConfigYScale;
}
// Collect only config scale values for scroll compensation
aAccConfigXScale *= config.mXScale;
aAccConfigYScale *= config.mYScale;
} else {
// View doesn't exist, so generate one. We start the view scroll offset at
// the same position as the framemetric's scroll offset from the layer.
// The default scale is 1, so no need to propagate scale down.
ViewConfig config;
config.mScrollOffset = nsPoint(
NSIntPixelsToAppUnits(metrics.mViewportScrollOffset.x, auPerDevPixel) * aXScale,
NSIntPixelsToAppUnits(metrics.mViewportScrollOffset.y, auPerDevPixel) * aYScale);
view = new nsContentView(aFrameLoader, scrollId, config);
view->mParentScaleX = aAccConfigXScale;
view->mParentScaleY = aAccConfigYScale;
}
view->mViewportSize = nsSize(
NSIntPixelsToAppUnits(metrics.mViewport.width, auPerDevPixel) * aXScale,
NSIntPixelsToAppUnits(metrics.mViewport.height, auPerDevPixel) * aYScale);
view->mContentSize = nsSize(
nsPresContext::CSSPixelsToAppUnits(metrics.mCSSContentSize.width) * aXScale,
nsPresContext::CSSPixelsToAppUnits(metrics.mCSSContentSize.height) * aYScale);
newContentViews[scrollId] = view;
}
for (Layer* child = aLayer->GetFirstChild();
child; child = child->GetNextSibling()) {
BuildViewMap(oldContentViews, newContentViews, aFrameLoader, child,
aXScale, aYScale, aAccConfigXScale, aAccConfigYScale);
}
}