c943576018
Batch #12681 by cremane: 0 byte-identical, 1 confirmed by peer review. - fn_02120 CRendererDX7::DrawFPS: logic confirmed by peer review Peer-reviewed-by: Yommy, gordaoprogramas, codeplay Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#include "Render/DeviceContext/DCSurface.h"
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#include "Render/DX7/DeviceOwnerDX7.h"
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#include "Render/RendererBackBuffer.h"
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#include "Render/RendererDX7.h"
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#include "Render/Text/TextContext.h"
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#include <cstdio>
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#include <cstring>
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#include <windows.h>
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#include <timeapi.h>
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#include <utility>
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// OFFSET: 0x0055B000
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// FUNCTION: fn_02087
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void CRendererDX7::Present(bool wait) {
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++this->frame;
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const unsigned elapsed = GetTickCount() - this->time;
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if (static_cast<float>(elapsed) < 1000.0f) {
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++this->samples;
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} else {
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this->time = GetTickCount();
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this->rate = this->samples;
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this->samples = 0;
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}
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if (g_deviceOwnerDX7->RestoreLostSurfaces()) {
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return;
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}
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if (this->LockBackBuffer()) {
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this->UnlockBackBuffer();
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}
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if (g_deviceOwnerDX7->Present(wait) == DDERR_SURFACELOST) {
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g_deviceOwnerDX7->MarkSurfacesLost();
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}
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}
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// OFFSET: 0x0055D0F0
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// FUNCTION: fn_02096
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float CRendererDX7::FrameRate() const {
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return static_cast<float>(this->rate);
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}
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// OFFSET: 0x0055F8F0
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// FUNCTION: fn_02120
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void CRendererDX7::DrawFPS() {
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const unsigned previous = this->time;
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const unsigned elapsed = timeGetTime() - previous;
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const unsigned count = this->samples;
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const float measured = (static_cast<float>(count) * 1000.0f) / static_cast<float>(elapsed);
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if (elapsed > 1000 && !(count & 1)) {
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this->samples = count >> 1;
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this->time = previous + (elapsed >> 1);
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}
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char text[128];
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std::sprintf(text, "%.01f fps", static_cast<double>(measured));
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const int x = this->viewport.width - 40;
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const int y = this->viewport.height - 14;
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CDCSurface drawing(AcquireBackBufferSurface(GetRenderSystemHolder()->system));
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TextContext context(drawing);
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context.SetFont(0, 12, 0, 0);
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SetTextColor(context.Dc(), 0xFFFF);
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TextOutA(context.Dc(), x, y, text, static_cast<int>(std::strlen(text)));
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}
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