diff options
| author | Michael Lutz <michi@icosahedron.de> | 2021-02-21 00:35:35 +0100 |
|---|---|---|
| committer | Michael Lutz <michi@icosahedron.de> | 2021-02-22 22:16:07 +0100 |
| commit | 5ad545dcc16a27cdabd8636f4970ee12b9cec54b (patch) | |
| tree | 561181a7db959808c8f6cb04d49ab9032a175453 /src/video/win32_v.cpp | |
| parent | 3a77ade6b25d34890f51931e874fbe0e3b48a744 (diff) | |
| download | openttd-5ad545dcc16a27cdabd8636f4970ee12b9cec54b.tar.xz | |
Codechange: [OpenGL] Only update the dirty parts of the video buffer texture.
Diffstat (limited to 'src/video/win32_v.cpp')
| -rw-r--r-- | src/video/win32_v.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp index ddfe365f7..6df1d3528 100644 --- a/src/video/win32_v.cpp +++ b/src/video/win32_v.cpp @@ -64,8 +64,6 @@ static std::condition_variable_any *_draw_signal = nullptr; static volatile bool _draw_continue; /** Local copy of the palette for use in the drawing thread. */ static Palette _local_palette; -/** Region of the screen that needs redrawing. */ -static Rect _dirty_rect; bool VideoDriver_Win32Base::ClaimMousePointer() { @@ -886,7 +884,7 @@ void VideoDriver_Win32Base::Stop() void VideoDriver_Win32Base::MakeDirty(int left, int top, int width, int height) { Rect r = {left, top, left + width, top + height}; - _dirty_rect = BoundingRect(_dirty_rect, r); + this->dirty_rect = BoundingRect(this->dirty_rect, r); } void VideoDriver_Win32Base::CheckPaletteAnim() @@ -1243,7 +1241,7 @@ void VideoDriver_Win32GDI::Paint() { PerformanceMeasurer framerate(PFE_VIDEO); - if (IsEmptyRect(_dirty_rect)) return; + if (IsEmptyRect(this->dirty_rect)) return; HDC dc = GetDC(this->main_wnd); HDC dc2 = CreateCompatibleDC(dc); @@ -1279,7 +1277,7 @@ void VideoDriver_Win32GDI::Paint() ReleaseDC(this->main_wnd, dc); - _dirty_rect = {}; + this->dirty_rect = {}; } void VideoDriver_Win32GDI::PaintThread() @@ -1446,6 +1444,8 @@ bool VideoDriver_Win32OpenGL::AllocateBackingStore(int w, int h, bool force) if (this->gl_rc == nullptr) return false; + this->dirty_rect = {}; + bool res = OpenGLBackend::Get()->Resize(w, h); _wnd.buffer_bits = OpenGLBackend::Get()->GetVideoBuffer(); return res; @@ -1455,6 +1455,8 @@ void VideoDriver_Win32OpenGL::Paint() { PerformanceMeasurer framerate(PFE_VIDEO); + if (IsEmptyRect(this->dirty_rect)) return; + if (_cur_palette.count_dirty != 0) { Blitter *blitter = BlitterFactory::GetCurrentBlitter(); @@ -1473,8 +1475,10 @@ void VideoDriver_Win32OpenGL::Paint() _cur_palette.count_dirty = 0; } - OpenGLBackend::Get()->Paint(); + OpenGLBackend::Get()->Paint(this->dirty_rect); SwapBuffers(this->dc); + + this->dirty_rect = {}; } #endif /* WITH_OPENGL */ |