mirror of
https://github.com/FunkyFr3sh/cnc-ddraw.git
synced 2025-03-22 16:46:16 +01:00
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/*
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* Copyright (c) 2011 Toni Spets <toni.spets@iki.fi>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <windows.h>
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#include <stdio.h>
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#include "main.h"
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#include "surface.h"
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DWORD WINAPI render_soft_main(void)
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{
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PBITMAPINFO bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
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bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bmi->bmiHeader.biWidth = ddraw->width;
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bmi->bmiHeader.biHeight = -ddraw->height;
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bmi->bmiHeader.biPlanes = 1;
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bmi->bmiHeader.biBitCount = ddraw->bpp;
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bmi->bmiHeader.biCompression = BI_RGB;
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DWORD tick_start = 0;
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DWORD tick_end = 0;
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DWORD frame_len = 0;
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if(ddraw->render.maxfps < 0)
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{
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ddraw->render.maxfps = ddraw->mode.dmDisplayFrequency;
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}
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if(ddraw->render.maxfps > 0)
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{
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frame_len = 1000.0f / ddraw->render.maxfps;
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}
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while (ddraw->render.run && WaitForSingleObject(ddraw->render.sem, 100) != WAIT_FAILED)
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{
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if(ddraw->render.maxfps > 0)
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{
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tick_start = GetTickCount();
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}
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EnterCriticalSection(&ddraw->cs);
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if (ddraw->primary && (ddraw->primary->palette || ddraw->bpp == 16))
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{
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if (ddraw->primary->palette && ddraw->primary->palette->data_rgb == NULL)
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{
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ddraw->primary->palette->data_rgb = &bmi->bmiColors[0];
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}
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if (ddraw->render.width != ddraw->width || ddraw->render.height != ddraw->height)
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{
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StretchDIBits(ddraw->render.hDC, 0, 0, ddraw->render.width, ddraw->render.height, 0, 0, ddraw->width, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS, SRCCOPY);
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}
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else
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{
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SetDIBitsToDevice(ddraw->render.hDC, 0, 0, ddraw->width, ddraw->height, 0, 0, 0, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS);
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}
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}
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LeaveCriticalSection(&ddraw->cs);
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if(ddraw->render.maxfps > 0)
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{
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tick_end = GetTickCount();
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if(tick_end - tick_start < frame_len)
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{
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Sleep( frame_len - (tick_end - tick_start) );
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}
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}
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SetEvent(ddraw->render.ev);
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}
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HeapFree(GetProcessHeap(), 0, bmi);
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return TRUE;
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}
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