#include <stdio.h>
+#include <math.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <SDL.h>
#include <SDL_syswm.h>
-#if CONF_XSP || CONF_HD
+#if CONF_XSP
# include <X11/extensions/Xsp.h>
#endif
+#if CONF_HD
+# include <X11/Xatom.h>
+# include <sys/ipc.h>
+# include <sys/shm.h>
+#endif
#include "snes9x.h"
#include "display.h"
ATOM_HILDON_ANIMATION_CLIENT_MESSAGE_SCALE,
ATOM_HILDON_ANIMATION_CLIENT_MESSAGE_ANCHOR,
ATOM_HILDON_ANIMATION_CLIENT_MESSAGE_PARENT,
+ ATOM_HILDON_WM_WINDOW_TYPE_REMOTE_TEXTURE,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_SHM,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_DAMAGE,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_SHOW,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_POSITION,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_OFFSET,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_SCALE,
+ ATOM_HILDON_TEXTURE_CLIENT_MESSAGE_PARENT,
+ ATOM_HILDON_TEXTURE_CLIENT_READY,
ATOM_COUNT
};
"_HILDON_ANIMATION_CLIENT_MESSAGE_SCALE",
"_HILDON_ANIMATION_CLIENT_MESSAGE_ANCHOR",
"_HILDON_ANIMATION_CLIENT_MESSAGE_PARENT",
+ "_HILDON_WM_WINDOW_TYPE_REMOTE_TEXTURE",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_SHM",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_DAMAGE",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_SHOW",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_POSITION",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_OFFSET",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_SCALE",
+ "_HILDON_TEXTURE_CLIENT_MESSAGE_PARENT",
+ "_HILDON_TEXTURE_CLIENT_READY",
""
};
wminfo.info.x11.unlock_func();
}
+class HDScalerBase : public Scaler
+{
+ SDL_Surface * m_screen;
+ SDL_Rect m_area;
+ const int m_w, m_h, m_Bpp;
+ const float ratio_x, ratio_y;
+
+ // SDL/X11 stuff we save for faster access.
+ SDL_SysWMinfo wminfo;
+ Display* display;
+ Window window;
+
+ // Shared memory segment info.
+ key_t shmkey;
+ int shmid;
+ void *shmaddr;
+
+private:
+ /** Sends a message to hildon-desktop.
+ * This function comes mostly straight from libhildon.
+ */
+ void sendMessage(Atom message_type,
+ uint32 l0, uint32 l1, uint32 l2, uint32 l3, uint32 l4)
+ {
+ XEvent event = { 0 };
+
+ event.xclient.type = ClientMessage;
+ event.xclient.window = window;
+ event.xclient.message_type = message_type;
+ event.xclient.format = 32;
+ event.xclient.data.l[0] = l0;
+ event.xclient.data.l[1] = l1;
+ event.xclient.data.l[2] = l2;
+ event.xclient.data.l[3] = l3;
+ event.xclient.data.l[4] = l4;
+
+ XSendEvent (display, window, True,
+ StructureNotifyMask,
+ (XEvent *)&event);
+ }
+
+ /** Sends all configuration parameters for the remote texture. */
+ void reconfigure()
+ {
+ SDL_VERSION(&wminfo.version);
+ if (!SDL_GetWMInfo(&wminfo)) {
+ DIE("Bad SDL version!");
+ }
+
+ Window parent;
+ int yoffset = 0;
+ if (Config.fullscreen) {
+ parent = wminfo.info.x11.fswindow;
+ } else {
+ parent = wminfo.info.x11.wmwindow;
+ yoffset = 60; // Hardcode the title bar size for now.
+ }
+
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_SHM),
+ (uint32) shmkey, m_w, m_h, m_Bpp, 0);
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_PARENT),
+ (uint32) parent, 0, 0, 0, 0);
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_POSITION),
+ m_area.x, yoffset + m_area.y, m_area.w, m_area.h, 0);
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_SCALE),
+ ratio_x * (1 << 16), ratio_y * (1 << 16), 0, 0, 0);
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_SHOW),
+ 1, 255, 0, 0, 0);
+ }
+
+protected:
+ HDScalerBase(SDL_Surface* screen, int w, int h, float r_x, float r_y)
+ : m_screen(screen), m_w(w), m_h(h),
+ m_Bpp(m_screen->format->BitsPerPixel / 8),
+ ratio_x(r_x), ratio_y(r_y)
+ {
+ centerRectangle(m_area, GUI.Width, GUI.Height, w * r_x, h * r_y);
+
+ // What we're going to do:
+ // - Create a new window that we're going to manage
+ // - Set up that window as a Hildon Remote Texture
+ // - Render to that new window, instead of the SDL window ("screen").
+ // Yet another load of uglyness, but hey.
+
+ // Barf if this is not a known SDL version.
+ SDL_VERSION(&wminfo.version);
+ if (!SDL_GetWMInfo(&wminfo)) {
+ DIE("Bad SDL version!");
+ }
+
+ // Clear the SDL screen with black, just in case it gets drawn.
+ SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
+
+ // Get the SDL gfxdisplay (this is where events end up).
+ display = wminfo.info.x11.display;
+
+ // The parent window needs to be mapped, so we sync it.
+ XSync(display, True);
+
+ // Ensure hildon atoms are synced, and that hildon-desktop is up.
+ hildon_load_atoms(display);
+
+ // Create our alternative window.
+ const int blackColor = BlackPixel(display, DefaultScreen(display));
+ window = XCreateSimpleWindow(display, DefaultRootWindow(display),
+ 0, 0, m_w, m_h, 0, blackColor, blackColor);
+ XStoreName(display, window, "DrNokSnes Video output window");
+ Atom atom = HDATOM(_HILDON_WM_WINDOW_TYPE_REMOTE_TEXTURE);
+ XChangeProperty(display, window, HDATOM(_NET_WM_WINDOW_TYPE),
+ XA_ATOM, 32, PropModeReplace,
+ (unsigned char *) &atom, 1);
+ XSelectInput(display, window, PropertyChangeMask | StructureNotifyMask);
+ XMapWindow(display, window);
+
+ // Wait for "ready" property, set up by hildon-desktop after a while
+ // For now, loop here. In the future, merge with main event loop.
+ bool ready = false;
+ while (!ready) {
+ XEvent e;
+ XNextEvent(display, &e);
+ switch(e.type) {
+ case PropertyNotify:
+ if (e.xproperty.atom ==
+ HDATOM(_HILDON_TEXTURE_CLIENT_READY)) {
+ ready = true;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ // Create a shared memory segment with hildon-desktop
+ shmkey = ftok("/usr/bin/drnoksnes", 'd'); // TODO Put rom file here
+ shmid = shmget(shmkey, m_w * m_h * m_Bpp, IPC_CREAT | 0777);
+ if (shmid < 0) {
+ DIE("Failed to create shared memory");
+ }
+ shmaddr = shmat(shmid, 0, 0);
+ if (shmaddr == (void*)-1) {
+ DIE("Failed to attach shared memory");
+ }
+
+ // Send all configuration events to hildon-desktop
+ reconfigure();
+ }
+
+public:
+ virtual ~HDScalerBase()
+ {
+ // Hide, unparent and deattach the remote texture
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_SHOW),
+ 0, 255, 0, 0, 0);
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_PARENT),
+ 0, 0, 0, 0, 0);
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_SHM),
+ 0, 0, 0, 0, 0);
+ XFlush(display);
+ // Destroy our managed window and shared memory segment
+ XDestroyWindow(display, window);
+ XSync(display, True);
+ shmdt(shmaddr);
+ shmctl(shmid, IPC_RMID, 0);
+ };
+
+ virtual uint8* getDrawBuffer() const
+ {
+ return reinterpret_cast<uint8*>(shmaddr);
+ };
+
+ virtual unsigned int getDrawBufferPitch() const
+ {
+ return m_w * m_Bpp;
+ };
+
+ virtual void getRenderedGUIArea(unsigned short & x, unsigned short & y,
+ unsigned short & w, unsigned short & h) const
+ {
+ x = m_area.x; y = m_area.y; w = m_area.w; h = m_area.h;
+ };
+
+ virtual int getRatio() const
+ {
+ return ratio_y; // TODO
+ };
+
+ virtual void prepare()
+ {
+
+ };
+
+ virtual void finish()
+ {
+ // Send a damage event to hildon-desktop.
+ sendMessage(HDATOM(_HILDON_TEXTURE_CLIENT_MESSAGE_DAMAGE),
+ 0, 0, m_w, m_h, 0);
+ XSync(display, False);
+ };
+
+ virtual void pause() { };
+ virtual void resume() { };
+};
+
+class HDFillScaler : public HDScalerBase
+{
+ HDFillScaler(SDL_Surface* screen, int w, int h)
+ : HDScalerBase(screen, w, h,
+ GUI.Width / (float)w, GUI.Height / (float)h)
+ {
+ }
+
+public:
+ class Factory : public ScalerFactory
+ {
+ const char * getName() const
+ {
+ return "hdfill";
+ }
+
+ bool canEnable(int bpp, int w, int h) const
+ {
+ return true;
+ }
+
+ Scaler* instantiate(SDL_Surface* screen, int w, int h) const
+ {
+ return new HDFillScaler(screen, w, h-20);
+ }
+ };
+
+ static const Factory factory;
+
+ virtual const char * getName() const
+ {
+ return "hildon-desktop fill screen scaling";
+ }
+};
+const HDFillScaler::Factory HDFillScaler::factory;
+
+class HDSquareScaler : public HDScalerBase
+{
+ HDSquareScaler(SDL_Surface* screen, int w, int h, float ratio)
+ : HDScalerBase(screen, w, h, ratio, ratio)
+ {
+ }
+
+public:
+ class Factory : public ScalerFactory
+ {
+ const char * getName() const
+ {
+ return "hdsq";
+ }
+
+ bool canEnable(int bpp, int w, int h) const
+ {
+ return true;
+ }
+
+ Scaler* instantiate(SDL_Surface* screen, int w, int h) const
+ {
+ return new HDSquareScaler(screen, w, h,
+ fminf(GUI.Width / (float)w, GUI.Height / (float)h));
+ }
+ };
+
+ static const Factory factory;
+
+ virtual const char * getName() const
+ {
+ return "hildon-desktop square screen scaling";
+ }
+};
+const HDSquareScaler::Factory HDSquareScaler::factory;
+
class HDDummy : public DummyScaler
{
HDDummy(SDL_Surface* screen, int w, int h)
bool canEnable(int bpp, int w, int h) const
{
- return true;
+ return Config.fullscreen; // This makes sense only in fullscreen
}
Scaler* instantiate(SDL_Surface* screen, int w, int h) const
bool canEnable(int bpp, int w, int h) const
{
- return true;
+ return Config.fullscreen; // This makes sense only in fullscreen
}
Scaler* instantiate(SDL_Surface* screen, int w, int h) const
static const ScalerFactory* scalers[] = {
/* More useful scalers come first */
+#if CONF_HD
+ &HDFillScaler::factory,
+ &HDSquareScaler::factory,
+#endif
#if CONF_XSP
&XSPScaler::factory,
#endif
projects / drnoksnes / commitdiff