From 9d185f309151a198e2f51e613e9a9dfaff5f6d6d Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Tue, 11 Oct 2022 18:57:09 +0200
Subject: Use p4 preset on older gpus (kepler family) because of performance

with p7
---
 include/GlLibrary.hpp    | 14 ++++++++++++--
 include/NvFBCLibrary.hpp |  2 +-
 2 files changed, 13 insertions(+), 3 deletions(-)

(limited to 'include')

diff --git a/include/GlLibrary.hpp b/include/GlLibrary.hpp
index 1934db5..1337ef3 100644
--- a/include/GlLibrary.hpp
+++ b/include/GlLibrary.hpp
@@ -26,6 +26,8 @@ typedef struct __GLXFBConfigRec *GLXFBConfig;
 #define GL_TEXTURE_HEIGHT                       0x1001
 #define GL_NEAREST                              0x2600
 
+#define GL_RENDERER                             0x1F01
+
 #define GLX_BUFFER_SIZE                         2
 #define GLX_DOUBLEBUFFER                        5
 #define GLX_RED_SIZE                            8
@@ -71,6 +73,7 @@ struct GlLibrary {
     void (*glClearTexImage)(unsigned int texture, unsigned int level, unsigned int format, unsigned int type, const void *data);
 
     unsigned int (*glGetError)(void);
+    const unsigned char* (*glGetString)(unsigned int name);
     void (*glClear)(unsigned int mask);
     void (*glGenTextures)(int n, unsigned int *textures);
     void (*glDeleteTextures)(int n, const unsigned int *texture);
@@ -81,8 +84,7 @@ struct GlLibrary {
     void (*glCopyImageSubData)(unsigned int srcName, unsigned int srcTarget, int srcLevel, int srcX, int srcY, int srcZ, unsigned int dstName, unsigned int dstTarget, int dstLevel, int dstX, int dstY, int dstZ, int srcWidth, int srcHeight, int srcDepth);
 
     ~GlLibrary() {
-        if(library)
-            dlclose(library);
+        unload();
     }
 
     bool load() {
@@ -120,6 +122,7 @@ struct GlLibrary {
             { (void**)&glXSwapBuffers, "glXSwapBuffers" },
 
             { (void**)&glGetError, "glGetError" },
+            { (void**)&glGetString, "glGetString" },
             { (void**)&glClear, "glClear" },
             { (void**)&glGenTextures, "glGenTextures" },
             { (void**)&glDeleteTextures, "glDeleteTextures" },
@@ -141,6 +144,13 @@ struct GlLibrary {
             return false;
         }
     }
+
+    void unload() {
+        if(library) {
+            dlclose(library);
+            library = nullptr;
+        }
+    }
 private:
     void *library = nullptr;
 };
diff --git a/include/NvFBCLibrary.hpp b/include/NvFBCLibrary.hpp
index 0849882..19b9bcc 100644
--- a/include/NvFBCLibrary.hpp
+++ b/include/NvFBCLibrary.hpp
@@ -192,7 +192,7 @@ public:
         NVFBC_TOCUDA_GRAB_FRAME_PARAMS grab_params;
         memset(&grab_params, 0, sizeof(grab_params));
         grab_params.dwVersion = NVFBC_TOCUDA_GRAB_FRAME_PARAMS_VER;
-        grab_params.dwFlags = NVFBC_TOCUDA_GRAB_FLAGS_NOWAIT;
+        grab_params.dwFlags = NVFBC_TOCUDA_GRAB_FLAGS_NOWAIT | NVFBC_TOCUDA_GRAB_FLAGS_FORCE_REFRESH;
         grab_params.pFrameGrabInfo = &frame_info;
         grab_params.pCUDADeviceBuffer = cu_device_ptr;
 
-- 
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