Changeset - r25075:20911544ed27
[Not reviewed]
master
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Milek7 - 3 years ago 2021-03-19 23:08:03
Milek7@users.noreply.github.com
Change: Do not disallow persistent buffer mapping on AMD GPUs, as it is actually faster.
1 file changed with 0 insertions and 10 deletions:
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src/video/opengl.cpp
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@@ -13,8 +13,6 @@
 

	
 
/* Define to disable buffer syncing. Will increase max fast forward FPS but produces artifacts. Mainly useful for performance testing. */
 
// #define NO_GL_BUFFER_SYNC
 
/* Define to enable persistent buffer mapping on AMD GPUs. */
 
// #define GL_MAP_PERSISTENT_AMD
 
/* Define to allow software rendering backends. */
 
// #define GL_ALLOW_SOFTWARE_RENDERER
 

	
 
@@ -577,14 +575,6 @@ const char *OpenGLBackend::Init()
 
	this->persistent_mapping_supported = this->persistent_mapping_supported && (IsOpenGLVersionAtLeast(3, 2) || IsOpenGLExtensionSupported("GL_ARB_sync"));
 
#endif
 

	
 
#ifndef GL_MAP_PERSISTENT_AMD
 
	if (this->persistent_mapping_supported && (strstr(vend, "AMD") != nullptr || strstr(renderer, "Radeon") != nullptr)) {
 
		/* AMD GPUs seem to perform badly with persistent buffer mapping, disable it for them. */
 
		DEBUG(driver, 3, "OpenGL: Detected AMD GPU, not using persistent buffer mapping due to performance problems");
 
		this->persistent_mapping_supported = false;
 
	}
 
#endif
 

	
 
	if (this->persistent_mapping_supported && !BindPersistentBufferExtensions()) {
 
		DEBUG(driver, 1, "OpenGL claims to support persistent buffer mapping but doesn't export all functions, not using persistent mapping.");
 
		this->persistent_mapping_supported = false;
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