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-rw-r--r--src/video/win32_v.cpp259
-rw-r--r--src/video/win32_v.h16
2 files changed, 142 insertions, 133 deletions
diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp
index efef2182f..73c01dea1 100644
--- a/src/video/win32_v.cpp
+++ b/src/video/win32_v.cpp
@@ -182,23 +182,6 @@ static uint MapWindowsKey(uint sym)
return key;
}
-static bool AllocateDibSection(int w, int h, bool force = false);
-
-static void ClientSizeChanged(int w, int h)
-{
- /* allocate new dib section of the new size */
- if (AllocateDibSection(w, h)) {
- /* mark all palette colours dirty */
- _cur_palette.first_dirty = 0;
- _cur_palette.count_dirty = 256;
- _local_palette = _cur_palette;
-
- BlitterFactory::GetCurrentBlitter()->PostResize();
-
- GameSizeChanged();
- }
-}
-
#ifdef _DEBUG
/* Keep this function here..
* It allows you to redraw the screen from within the MSVC debugger */
@@ -327,69 +310,6 @@ bool VideoDriver_Win32Base::MakeWindow(bool full_screen)
return true; // the request succeeded
}
-/** Do palette animation and blit to the window. */
-void VideoDriver_Win32Base::Paint()
-{
- PerformanceMeasurer framerate(PFE_VIDEO);
-
- if (IsEmptyRect(_dirty_rect)) return;
-
- HDC dc = GetDC(_wnd.main_wnd);
- HDC dc2 = CreateCompatibleDC(dc);
-
- HBITMAP old_bmp = (HBITMAP)SelectObject(dc2, _wnd.dib_sect);
- HPALETTE old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);
-
- if (_cur_palette.count_dirty != 0) {
- Blitter *blitter = BlitterFactory::GetCurrentBlitter();
-
- switch (blitter->UsePaletteAnimation()) {
- case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
- UpdatePalette(dc2, _local_palette.first_dirty, _local_palette.count_dirty);
- break;
-
- case Blitter::PALETTE_ANIMATION_BLITTER:
- blitter->PaletteAnimate(_local_palette);
- break;
-
- case Blitter::PALETTE_ANIMATION_NONE:
- break;
-
- default:
- NOT_REACHED();
- }
- _cur_palette.count_dirty = 0;
- }
-
- BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);
- SelectPalette(dc, old_palette, TRUE);
- SelectObject(dc2, old_bmp);
- DeleteDC(dc2);
-
- ReleaseDC(_wnd.main_wnd, dc);
-
- _dirty_rect = {};
-}
-
-void VideoDriver_Win32Base::PaintThread()
-{
- /* First tell the main thread we're started */
- std::unique_lock<std::recursive_mutex> lock(*_draw_mutex);
- _draw_signal->notify_one();
-
- /* Now wait for the first thing to draw! */
- _draw_signal->wait(*_draw_mutex);
-
- while (_draw_continue) {
- this->Paint();
-
- /* Flush GDI buffer to ensure drawing here doesn't conflict with any GDI usage in the main WndProc. */
- GdiFlush();
-
- _draw_signal->wait(*_draw_mutex);
- }
-}
-
/* static */ void VideoDriver_Win32Base::PaintThreadThunk(VideoDriver_Win32Base *drv)
{
drv->PaintThread();
@@ -622,18 +542,9 @@ LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
if ((HWND)wParam == hwnd) return 0;
FALLTHROUGH;
- case WM_QUERYNEWPALETTE: {
- HDC hDC = GetWindowDC(hwnd);
- HPALETTE hOldPalette = SelectPalette(hDC, _wnd.gdi_palette, FALSE);
- UINT nChanged = RealizePalette(hDC);
-
- SelectPalette(hDC, hOldPalette, TRUE);
- ReleaseDC(hwnd, hDC);
- if (nChanged != 0) {
- video_driver->MakeDirty(0, 0, _screen.width, _screen.height);
- }
+ case WM_QUERYNEWPALETTE:
+ video_driver->PaletteChanged(hwnd);
return 0;
- }
case WM_CLOSE:
HandleExitGameRequest();
@@ -839,7 +750,7 @@ LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
* switched to fullscreen from a maximized state */
_window_maximize = (wParam == SIZE_MAXIMIZED || (_window_maximize && _fullscreen));
if (_window_maximize || _fullscreen) _bck_resolution = _cur_resolution;
- ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
+ video_driver->ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
}
return 0;
@@ -978,43 +889,6 @@ static void RegisterWndClass()
if (!RegisterClass(&wnd)) usererror("RegisterClass failed");
}
-static bool AllocateDibSection(int w, int h, bool force)
-{
- BITMAPINFO *bi;
- HDC dc;
- uint bpp = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
-
- w = std::max(w, 64);
- h = std::max(h, 64);
-
- if (!force && w == _screen.width && h == _screen.height) return false;
-
- bi = (BITMAPINFO*)alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
- memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
- bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
-
- bi->bmiHeader.biWidth = _wnd.width = w;
- bi->bmiHeader.biHeight = -(_wnd.height = h);
-
- bi->bmiHeader.biPlanes = 1;
- bi->bmiHeader.biBitCount = bpp;
- bi->bmiHeader.biCompression = BI_RGB;
-
- if (_wnd.dib_sect) DeleteObject(_wnd.dib_sect);
-
- dc = GetDC(0);
- _wnd.dib_sect = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (VOID**)&_wnd.buffer_bits, nullptr, 0);
- if (_wnd.dib_sect == nullptr) usererror("CreateDIBSection failed");
- ReleaseDC(0, dc);
-
- _screen.width = w;
- _screen.pitch = (bpp == 8) ? Align(w, 4) : w;
- _screen.height = h;
- _screen.dst_ptr = _wnd.buffer_bits;
-
- return true;
-}
-
static const Dimension default_resolutions[] = {
{ 640, 480 },
{ 800, 600 },
@@ -1183,6 +1057,21 @@ void VideoDriver_Win32Base::MainLoop()
}
}
+void VideoDriver_Win32Base::ClientSizeChanged(int w, int h)
+{
+ /* Allocate backing store of the new size. */
+ if (this->AllocateBackingStore(w, h)) {
+ /* Mark all palette colours dirty. */
+ _cur_palette.first_dirty = 0;
+ _cur_palette.count_dirty = 256;
+ _local_palette = _cur_palette;
+
+ BlitterFactory::GetCurrentBlitter()->PostResize();
+
+ GameSizeChanged();
+ }
+}
+
bool VideoDriver_Win32Base::ChangeResolution(int w, int h)
{
std::unique_lock<std::recursive_mutex> lock;
@@ -1303,7 +1192,7 @@ const char *VideoDriver_Win32GDI::Start(const StringList &param)
_wnd.width_org = _cur_resolution.width;
_wnd.height_org = _cur_resolution.height;
- AllocateDibSection(_cur_resolution.width, _cur_resolution.height);
+ this->AllocateBackingStore(_cur_resolution.width, _cur_resolution.height);
this->MakeWindow(_fullscreen);
MarkWholeScreenDirty();
@@ -1323,8 +1212,116 @@ void VideoDriver_Win32GDI::Stop()
MyShowCursor(true);
}
+bool VideoDriver_Win32GDI::AllocateBackingStore(int w, int h, bool force)
+{
+ uint bpp = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
+
+ w = std::max(w, 64);
+ h = std::max(h, 64);
+
+ if (!force && w == _screen.width && h == _screen.height) return false;
+
+ BITMAPINFO *bi = (BITMAPINFO *)alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
+ memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
+ bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+
+ bi->bmiHeader.biWidth = _wnd.width = w;
+ bi->bmiHeader.biHeight = -(_wnd.height = h);
+
+ bi->bmiHeader.biPlanes = 1;
+ bi->bmiHeader.biBitCount = bpp;
+ bi->bmiHeader.biCompression = BI_RGB;
+
+ if (_wnd.dib_sect) DeleteObject(_wnd.dib_sect);
+
+ HDC dc = GetDC(0);
+ _wnd.dib_sect = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (VOID **)&_wnd.buffer_bits, nullptr, 0);
+ if (_wnd.dib_sect == nullptr) usererror("CreateDIBSection failed");
+ ReleaseDC(0, dc);
+
+ _screen.width = w;
+ _screen.pitch = (bpp == 8) ? Align(w, 4) : w;
+ _screen.height = h;
+ _screen.dst_ptr = _wnd.buffer_bits;
+
+ return true;
+}
+
bool VideoDriver_Win32GDI::AfterBlitterChange()
{
assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
- return AllocateDibSection(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen);
+ return this->AllocateBackingStore(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen);
+}
+
+void VideoDriver_Win32GDI::PaletteChanged(HWND hWnd)
+{
+ HDC hDC = GetWindowDC(hWnd);
+ HPALETTE hOldPalette = SelectPalette(hDC, _wnd.gdi_palette, FALSE);
+ UINT nChanged = RealizePalette(hDC);
+
+ SelectPalette(hDC, hOldPalette, TRUE);
+ ReleaseDC(hWnd, hDC);
+ if (nChanged != 0) this->MakeDirty(0, 0, _screen.width, _screen.height);
+}
+
+void VideoDriver_Win32GDI::Paint()
+{
+ PerformanceMeasurer framerate(PFE_VIDEO);
+
+ if (IsEmptyRect(_dirty_rect)) return;
+
+ HDC dc = GetDC(_wnd.main_wnd);
+ HDC dc2 = CreateCompatibleDC(dc);
+
+ HBITMAP old_bmp = (HBITMAP)SelectObject(dc2, _wnd.dib_sect);
+ HPALETTE old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);
+
+ if (_cur_palette.count_dirty != 0) {
+ Blitter *blitter = BlitterFactory::GetCurrentBlitter();
+
+ switch (blitter->UsePaletteAnimation()) {
+ case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
+ UpdatePalette(dc2, _local_palette.first_dirty, _local_palette.count_dirty);
+ break;
+
+ case Blitter::PALETTE_ANIMATION_BLITTER:
+ blitter->PaletteAnimate(_local_palette);
+ break;
+
+ case Blitter::PALETTE_ANIMATION_NONE:
+ break;
+
+ default:
+ NOT_REACHED();
+ }
+ _cur_palette.count_dirty = 0;
+ }
+
+ BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);
+ SelectPalette(dc, old_palette, TRUE);
+ SelectObject(dc2, old_bmp);
+ DeleteDC(dc2);
+
+ ReleaseDC(_wnd.main_wnd, dc);
+
+ _dirty_rect = {};
+}
+
+void VideoDriver_Win32GDI::PaintThread()
+{
+ /* First tell the main thread we're started */
+ std::unique_lock<std::recursive_mutex> lock(*_draw_mutex);
+ _draw_signal->notify_one();
+
+ /* Now wait for the first thing to draw! */
+ _draw_signal->wait(*_draw_mutex);
+
+ while (_draw_continue) {
+ this->Paint();
+
+ /* Flush GDI buffer to ensure drawing here doesn't conflict with any GDI usage in the main WndProc. */
+ GdiFlush();
+
+ _draw_signal->wait(*_draw_mutex);
+ }
}
diff --git a/src/video/win32_v.h b/src/video/win32_v.h
index 6834f66ff..cb1658cef 100644
--- a/src/video/win32_v.h
+++ b/src/video/win32_v.h
@@ -37,15 +37,20 @@ protected:
void InputLoop() override;
bool LockVideoBuffer() override;
void UnlockVideoBuffer() override;
- void Paint() override;
- void PaintThread() override;
void CheckPaletteAnim() override;
bool MakeWindow(bool full_screen);
+ /** (Re-)create the backing store. */
+ virtual bool AllocateBackingStore(int w, int h, bool force = false) = 0;
+ /** Palette of the window has changed. */
+ virtual void PaletteChanged(HWND hWnd) = 0;
+
private:
std::unique_lock<std::recursive_mutex> draw_lock;
+ void ClientSizeChanged(int w, int h);
+
static void PaintThreadThunk(VideoDriver_Win32Base *drv);
friend LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
@@ -60,6 +65,13 @@ public:
bool AfterBlitterChange() override;
const char *GetName() const override { return "win32"; }
+
+protected:
+ void Paint() override;
+ void PaintThread() override;
+
+ bool AllocateBackingStore(int w, int h, bool force = false) override;
+ void PaletteChanged(HWND hWnd) override;
};
/** The factory for Windows' video driver. */
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-30 21:36:12 +0000