34 lines
691 B
C
34 lines
691 B
C
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#include <windows.h>
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#include "vramtime.h"
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static DWORD transition_times_matrix[][VWS_MAXSTATES] =
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{
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/* from DDRELEASE */
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{ 0, 20, 0, 100, 100 },
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/* from D3DTEXRELEASE */
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{ 20, 0, 100, 100, 100 },
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/* from DDCREATE */
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{ 0, 100, 0, 20, 100 },
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/* from D3DTEXCREATE */
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{ 20, 100, 20, 20, 100 },
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/* from UNKNOWN */
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{ 100, 100, 100, 100, 100 }
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};
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void WaitForVRamReady(VRAM_WAIT_STATE vws)
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{
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static DWORD old_time = 0;
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static VRAM_WAIT_STATE old_vws = VWS_UNKNOWN;
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DWORD new_time;
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if (0==old_time) old_time = timeGetTime();
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do new_time = timeGetTime(); while (new_time - old_time < transition_times_matrix[old_vws][vws]);
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old_time = new_time;
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old_vws = vws;
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}
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