markus/4k_synthwave
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direct sound ja parempi syncca

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This commit is contained in:
Petri Järvisalo
2025-06-24 17:26:50 +03:00
parent 134a85111e
commit cfd6c97f32
7 changed files with 90 additions and 76 deletions
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38
src/main.cpp
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@ -41,7 +41,7 @@ static int pidPost;
void entrypoint(void)
#else
#include "editor.h"
#include "song.h"
int __cdecl main(int argc, char* argv[])
#endif
{
@ -49,7 +49,8 @@ int __cdecl main(int argc, char* argv[])
#if FULLSCREEN
ChangeDisplaySettings(&screenSettings, CDS_FULLSCREEN);
ShowCursor(0);
const HDC hDC = GetDC(CreateWindow((LPCSTR)0xC018, 0, WS_POPUP | WS_VISIBLE | WS_MAXIMIZE, 0, 0, 0, 0, 0, 0, 0, 0));
HWND window = CreateWindow((LPCSTR)0xC018, 0, WS_POPUP | WS_VISIBLE | WS_MAXIMIZE, 0, 0, 0, 0, 0, 0, 0, 0);
const HDC hDC = GetDC(window);
#else
#ifdef EDITOR_CONTROLS
HWND window = CreateWindow("static", 0, WS_POPUP | WS_VISIBLE, 0, 0, XRES, YRES, 0, 0, 0, 0);
@ -77,12 +78,21 @@ int __cdecl main(int argc, char* argv[])
// initialize sound
#ifndef EDITOR_CONTROLS
#if USE_AUDIO
CreateThread(0, 0, (LPTHREAD_START_ROUTINE)su_render_song, lpSoundBuffer, 0, 0);
waveOutOpen(&hWaveOut, WAVE_MAPPER, &WaveFMT, NULL, 0, CALLBACK_NULL);
waveOutPrepareHeader(hWaveOut, &WaveHDR, sizeof(WaveHDR));
waveOutWrite(hWaveOut, &WaveHDR, sizeof(WaveHDR));
LPDIRECTSOUND direct_sound;
LPDIRECTSOUNDBUFFER direct_sound_buffer;
DirectSoundCreate(0, &direct_sound, 0);
IDirectSound_SetCooperativeLevel(direct_sound, window, DSSCL_PRIORITY);
IDirectSound_CreateSoundBuffer(direct_sound, &buffer_description, &direct_sound_buffer, NULL);
LPVOID p1;
DWORD l1;
IDirectSoundBuffer_Lock(direct_sound_buffer, 0, SU_LENGTH_IN_SAMPLES * SU_CHANNEL_COUNT * SU_SAMPLE_SIZE, &p1, &l1, NULL, NULL, 0);
CreateThread(0, 0, (LPTHREAD_START_ROUTINE)su_render_song, p1, 0, 0);
#endif
#else
Leviathan::Editor editor = Leviathan::Editor();
editor.updateShaders(&pidMain, &pidPost, true);
@ -94,9 +104,13 @@ int __cdecl main(int argc, char* argv[])
double position = 0.0;
#endif
long playCursor = 0;
// main loop
direct_sound_buffer->Play(0, 0, 0);
do
{
direct_sound_buffer->GetCurrentPosition((DWORD*)&playCursor, NULL);
float syncs[1 + SU_NUMSYNCS];
@ -117,7 +131,7 @@ int __cdecl main(int argc, char* argv[])
#ifndef EDITOR_CONTROLS
// if you don't have an audio system figure some other way to pass time to your shader
#if USE_AUDIO
waveOutGetPosition(hWaveOut, &MMTime, sizeof(MMTIME));
// it is possible to upload your vars as vertex color attribute (gl_Color) to save one function import
#if NO_UNIFORMS
glColor3ui(MMTime.u.sample, 0, 0);
@ -132,13 +146,11 @@ int __cdecl main(int argc, char* argv[])
#endif
syncs[0] = MMTime.u.sample / (2 * sizeof(SUsample));
syncs[0] = (float)playCursor / (2 * sizeof(SUsample));
for (int i = 0; i < SU_NUMSYNCS; ++i)
{
syncs[i + 1] = syncBuf[
(MMTime.u.sample >> 8) * SU_NUMSYNCS + i
];
syncs[i + 1] = syncBuf[(playCursor / (2 * sizeof(SUsample)) >> 8) * SU_NUMSYNCS + i];
}
PFNGLUNIFORM1FVPROC glUniform1fvProc = ((PFNGLUNIFORM1FVPROC)wglGetProcAddress("glUniform1fv"));
@ -178,7 +190,7 @@ int __cdecl main(int argc, char* argv[])
} while(!GetAsyncKeyState(VK_ESCAPE)
#if USE_AUDIO
&& MMTime.u.sample < SU_LENGTH_IN_SAMPLES
&& playCursor < SU_LENGTH_IN_SAMPLES * 2 * sizeof(SUsample)
#endif
);