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Use glClientWaitSync instead of glGetSynciv

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docentYT
2026-02-07 19:47:32 +01:00
parent 42ad3a27d0
commit ed2f172954
1 changed files with 4 additions and 4 deletions
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8
gl/fence.cpp
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@@ -13,8 +13,8 @@ gl::fence::~fence()
bool gl::fence::is_signalled() bool gl::fence::is_signalled()
{ {
GLsizei len = 0; // glClientWaitSync is faster than glGetSynciv. glGetSynciv probably tries to synchronize cpu and gpu
GLint val; // https://stackoverflow.com/questions/34601376/which-to-use-for-opengl-client-side-waiting-glgetsynciv-vs-glclientwaitsync
glGetSynciv(sync, GL_SYNC_STATUS, 1, &len, &val); GLenum r = glClientWaitSync(sync, GL_SYNC_FLUSH_COMMANDS_BIT, 1);
return len == 1 && val == GL_SIGNALED; return r == GL_ALREADY_SIGNALED || r == GL_CONDITION_SATISFIED;
} }