cpp/openttd-patchpack/source Changeset - r25504:badfdd3228f6

Changeset - r25504:badfdd3228f6

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Michael Lutz - 3 years ago 2021-05-19 19:39:58
michi@icosahedron.de

Fix: [OpenGL] Increase timeout when waiting for the GPU to be done with the drawing buffer.

The old timeout could be too short if v-sync was on on lower refresh rates.

1 file changed with 2 insertions and 2 deletions:

src/video/opengl.cpp

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src/video/opengl.cpp

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@@ @@ -1150,7 +1150,7 @@ void OpenGLBackend::ClearCursorCache() @@
 void *OpenGLBackend::GetVideoBuffer()
+{
 #ifndef NO_GL_BUFFER_SYNC
-	if (this->sync_vid_mapping != nullptr) _glClientWaitSync(this->sync_vid_mapping, GL_SYNC_FLUSH_COMMANDS_BIT, 10000000);
+	if (this->sync_vid_mapping != nullptr) _glClientWaitSync(this->sync_vid_mapping, GL_SYNC_FLUSH_COMMANDS_BIT, 100000000); // 100ms timeout.
 #endif
 	if (!this->persistent_mapping_supported) {
@@ @@ -1174,7 +1174,7 @@ uint8 *OpenGLBackend::GetAnimBuffer() @@
 	if (this->anim_pbo == 0) return nullptr;
 #ifndef NO_GL_BUFFER_SYNC
-	if (this->sync_anim_mapping != nullptr) _glClientWaitSync(this->sync_anim_mapping, GL_SYNC_FLUSH_COMMANDS_BIT, 10000000);
+	if (this->sync_anim_mapping != nullptr) _glClientWaitSync(this->sync_anim_mapping, GL_SYNC_FLUSH_COMMANDS_BIT, 100000000); // 100ms timeout.
 #endif
 	if (!this->persistent_mapping_supported) {

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