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[150MHz bug] Min Memory Clock at GPU=100% load

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post #11 of 13 (permalink) Old 03-15-2019, 07:25 AM - Thread Starter
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Using "double-buffering patch" increase RADEON driver performance up 10-30 times!

Demonstration on the foobar2000 spectrum with FPS measurement using simpleGLUT.

FPS = 25-60 (very big lags)

Used "double-buffering patch" (WS_EX_COMPOSITED = ON)
FPS = 850-920 (no lags)

Video 1 from Camera -

Video 2 -

Source code FIX:

#include <windows.h>
#define WS_EX_COMPOSITED 0x02000000L
static BOOL WINAPI EnumProc (HWND hwnd, LPARAM param)
DWORD style;
style = (DWORD)GetWindowLong (hwnd, GWL_EXSTYLE);
// ON
SetWindowLong (hwnd, GWL_EXSTYLE, style | WS_EX_COMPOSITED);
// OFF
//SetWindowLong (hwnd, GWL_EXSTYLE, style & ~WS_EX_COMPOSITED);
return TRUE;

void BoostWindows (void)
EnumWindows (EnumProc, 0l);
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLine, int nShowCmd)
BoostWindows ();
return 0;
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post #12 of 13 (permalink) Old 10-17-2019, 07:10 AM - Thread Starter
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Classic theme for Windows 7 with GPU acceleration "Classic AE mod 2019_7" (October 14, 2019)

This theme based on "Classic AE 2.5.3" Classic AE 2.5.3 Final by Saarineames on DeviantArt

Complete list of modifications:
1) Added a gradient to the window title
2) The correct color of the text in the active and inactive window titles
3) Normal Tahoma-font (without ClearType)
4) The correct gray color in all elements of the interface RGB (212, 208, 200)
5) Correct TrackBar
6) Classic menu (fixed color)
7) For a better view, the highlighted item on a gray background is darker than on a white
8) ProgressBar animation is disabled
9) No-skins cursors are used
10) Fixed a bug in ScrollBar
11) Fixed background color Windows Firewall
12) Fixed aero mode crach at 125% font size
13) Darker active window title in non-aero mode
14) Correct resource IMAGE#1136
15) Fixed text captions (white field in Outpost)
16) TaskManager and Calculator with a classic design are attached,
and additional programs recommended for use:
- 7tt_setup - very useful tweaker of the TaskBar
- ClassicShellSetup_4_3_1-ru - for classic "Start" menu
- FONTS_140516 - replaces the font Segoe 9 with Tahoma 8 in all dialogs
- Win7 Style Builder v1.5.0.0 - msstyles file editor, if you want to modify this theme

Theme "Classic AE mod 2019_7":

Theme "Luna Aero":

1) Install "UniversalThemePatcher" (Recommended) or "UxStyle" for your Windows 7 OS (32- or 64-bit). If "UniversalThemePatcher" or "UxStyle" is already installed - then this step is skipped. This patch allows you to add third-party themes to your system.
2) Unpack the theme "Classic AE mod 2019_7" in the path c:\WINDOWS\Resources\Themes\
3) Go to "Personalization" and switch to "Classic AE mod 2019_7"
4) Restart your PC. Enjoy the classic design Windows 7 with GPU acceleration!

Download (Classic_AE_mod_2019_7_megapack.zip, 20 Mbytes):
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post #13 of 13 (permalink) Old 03-03-2020, 04:08 AM - Thread Starter
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It does not depend on the productivity of the PC, even on a modern computer, with a powerful CPU and GPU, you will get problems with 2D performance in any non-Aero themes. To check, do download a simple program, for example - 2ip NetMonitor from the website https://2ip.ru/download/NetMonitor.exe and become assured that without the DWM patch on the Classic theme - all lines will flicker. But with the DWM patch, the lags disappear.

Similar problems will occur on other programs that do not use double buffering of video output. Another example is the simplest Neutron 1.07 program, you can download it from скачать neutron бесплатно (windows) or take it from the "Solutions" archive from this topic. Even in the "Task Manager" (built-in from Win 7), the column "CPU load" flashes. There are a lot of such examples...

All cases are united by a trait - programs that do not use double buffering of video output will work slowly in any non-Aero themes (including built-in Classic). Enabling composition through the DWM.EXE patch forces double buffering, and significantly increases 2D GDI performance - removing blinking text labels and speeding up drawing of a 2D interface up to 10 times!!!
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