> On 4/19/20 6:07 AM, Sreyan Chakravarty wrote: > > Why do you think it's not being used? Because there is an option to launch any application with the option "Launch using dedicated graphics cards". This would imply that the primary display adapter is the inbuilt Intel Graphics. I want to to know how I can launch every application even my display manager with my dedicated graphics card, by fdefault. > Trying installing the "egl-utils" package and run "eglinfo" and see > what > it says. This is the output of "eglinfo": EGL client extensions string: EGL_EXT_device_base EGL_EXT_device_enumeration EGL_EXT_device_query EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses EGL_EXT_client_extensions EGL_KHR_debug EGL_EXT_platform_wayland EGL_EXT_platform_x11 EGL_MESA_platform_gbm EGL_MESA_platform_surfaceless EGL_EXT_platform_device GBM platform: EGL API version: 1.5 EGL vendor string: Mesa Project EGL version string: 1.5 EGL client APIs: OpenGL OpenGL_ES EGL extensions string: EGL_ANDROID_blob_cache EGL_EXT_buffer_age EGL_EXT_create_context_robustness EGL_EXT_image_dma_buf_import EGL_KHR_cl_event2 EGL_KHR_config_attribs EGL_KHR_create_context EGL_KHR_create_context_no_error EGL_KHR_fence_sync EGL_KHR_get_all_proc_addresses EGL_KHR_gl_colorspace EGL_KHR_gl_renderbuffer_image EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_3D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_image EGL_KHR_image_base EGL_KHR_image_pixmap EGL_KHR_no_config_context EGL_KHR_reusable_sync EGL_KHR_surfaceless_context EGL_EXT_pixel_format_float EGL_KHR_wait_sync EGL_MESA_configless_context EGL_MESA_drm_image EGL_MESA_image_dma_buf_export EGL_WL_bind_wayland_display Configurations: bf lv colorbuffer dp st ms vis cav bi renderable supported id sz l r g b a th cl ns b id eat nd gl es es2 vg surfaces --------------------------------------------------------------------- 0x01 32 0 8 8 8 8 0 0 0 0 0x34325241-- y y y win 0x02 32 0 8 8 8 8 16 0 0 0 0x34325241-- y y y win 0x03 32 0 8 8 8 8 24 0 0 0 0x34325241-- y y y win 0x04 32 0 8 8 8 8 24 8 0 0 0x34325241-- y y y win 0x05 32 0 8 8 8 8 0 0 2 1 0x34325241-- y y y win 0x06 32 0 8 8 8 8 0 0 4 1 0x34325241-- y y y win 0x07 32 0 8 8 8 8 0 0 8 1 0x34325241-- y y y win 0x08 32 0 8 8 8 8 16 0 2 1 0x34325241-- y y y win 0x09 32 0 8 8 8 8 16 0 4 1 0x34325241-- y y y win 0x0a 32 0 8 8 8 8 16 0 8 1 0x34325241-- y y y win 0x0b 32 0 8 8 8 8 24 0 2 1 0x34325241-- y y y win 0x0c 32 0 8 8 8 8 24 0 4 1 0x34325241-- y y y win 0x0d 32 0 8 8 8 8 24 0 8 1 0x34325241-- y y y win 0x0e 32 0 8 8 8 8 24 8 2 1 0x34325241-- y y y win 0x0f 32 0 8 8 8 8 24 8 4 1 0x34325241-- y y y win 0x10 32 0 8 8 8 8 24 8 8 1 0x34325241-- y y y win 0x11 24 0 8 8 8 0 0 0 0 0 0x34325258-- y y y win 0x12 24 0 8 8 8 0 16 0 0 0 0x34325258-- y y y win 0x13 24 0 8 8 8 0 24 0 0 0 0x34325258-- y y y win 0x14 24 0 8 8 8 0 24 8 0 0 0x34325258-- y y y win 0x15 24 0 8 8 8 0 0 0 2 1 0x34325258-- y y y win 0x16 24 0 8 8 8 0 0 0 4 1 0x34325258-- y y y win 0x17 24 0 8 8 8 0 0 0 8 1 0x34325258-- y y y win 0x18 24 0 8 8 8 0 16 0 2 1 0x34325258-- y y y win 0x19 24 0 8 8 8 0 16 0 4 1 0x34325258-- y y y win 0x1a 24 0 8 8 8 0 16 0 8 1 0x34325258-- y y y win 0x1b 24 0 8 8 8 0 24 0 2 1 0x34325258-- y y y win 0x1c 24 0 8 8 8 0 24 0 4 1 0x34325258-- y y y win 0x1d 24 0 8 8 8 0 24 0 8 1 0x34325258-- y y y win 0x1e 24 0 8 8 8 0 24 8 2 1 0x34325258-- y y y win 0x1f 24 0 8 8 8 0 24 8 4 1 0x34325258-- y y y win 0x20 24 0 8 8 8 0 24 8 8 1 0x34325258-- y y y win 0x21 16 0 5 6 5 0 0 0 0 0 0x36314752-- y y y win 0x22 16 0 5 6 5 0 16 0 0 0 0x36314752-- y y y win 0x23 16 0 5 6 5 0 24 0 0 0 0x36314752-- y y y win 0x24 16 0 5 6 5 0 24 8 0 0 0x36314752-- y y y win 0x25 16 0 5 6 5 0 0 0 2 1 0x36314752-- y y y win 0x26 16 0 5 6 5 0 0 0 4 1 0x36314752-- y y y win 0x27 16 0 5 6 5 0 0 0 8 1 0x36314752-- y y y win 0x28 16 0 5 6 5 0 16 0 2 1 0x36314752-- y y y win 0x29 16 0 5 6 5 0 16 0 4 1 0x36314752-- y y y win 0x2a 16 0 5 6 5 0 16 0 8 1 0x36314752-- y y y win 0x2b 16 0 5 6 5 0 24 0 2 1 0x36314752-- y y y win 0x2c 16 0 5 6 5 0 24 0 4 1 0x36314752-- y y y win 0x2d 16 0 5 6 5 0 24 0 8 1 0x36314752-- y y y win 0x2e 16 0 5 6 5 0 24 8 2 1 0x36314752-- y y y win 0x2f 16 0 5 6 5 0 24 8 4 1 0x36314752-- y y y win 0x30 16 0 5 6 5 0 24 8 8 1 0x36314752-- y y y win error: XDG_RUNTIME_DIR not set in the environment. error: XDG_RUNTIME_DIR not set in the environment. error: XDG_RUNTIME_DIR not set in the environment. Wayland platform: eglinfo: eglInitialize failed X11 platform: EGL API version: 1.4 EGL vendor string: Mesa Project EGL version string: 1.4 EGL client APIs: OpenGL OpenGL_ES EGL extensions string: EGL_ANDROID_blob_cache EGL_ANDROID_native_fence_sync EGL_CHROMIUM_sync_control EGL_EXT_buffer_age EGL_EXT_create_context_robustness EGL_EXT_image_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_IMG_context_priority EGL_KHR_config_attribs EGL_KHR_create_context EGL_KHR_create_context_no_error EGL_KHR_fence_sync EGL_KHR_get_all_proc_addresses EGL_KHR_gl_colorspace EGL_KHR_gl_renderbuffer_image EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_3D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_image EGL_KHR_image_base EGL_KHR_image_pixmap EGL_KHR_no_config_context EGL_KHR_reusable_sync EGL_KHR_surfaceless_context EGL_EXT_pixel_format_float EGL_KHR_wait_sync EGL_MESA_configless_context EGL_MESA_drm_image EGL_MESA_image_dma_buf_export EGL_MESA_query_driver EGL_NOK_texture_from_pixmap EGL_WL_bind_wayland_display Configurations: bf lv colorbuffer dp st ms vis cav bi renderable supported id sz l r g b a th cl ns b id eat nd gl es es2 vg surfaces --------------------------------------------------------------------- 0x01 32 0 8 8 8 8 0 0 0 0 0x3aTC a y y y win,pb,pix 0x02 32 0 8 8 8 8 24 8 0 0 0x3aTC a y y y win,pb,pix 0x03 24 0 8 8 8 0 0 0 0 0 0x3aTC y y y y win,pb,pix 0x04 24 0 8 8 8 0 24 8 0 0 0x3aTC y y y y win,pb,pix 0x05 32 0 8 8 8 8 0 0 2 1 0x3aTC a y y y win 0x06 32 0 8 8 8 8 0 0 4 1 0x3aTC a y y y win 0x07 32 0 8 8 8 8 0 0 8 1 0x3aTC a y y y win 0x08 32 0 8 8 8 8 0 0 16 1 0x3aTC a y y y win 0x09 32 0 8 8 8 8 24 8 2 1 0x3aTC a y y y win 0x0a 32 0 8 8 8 8 24 8 4 1 0x3aTC a y y y win 0x0b 32 0 8 8 8 8 24 8 8 1 0x3aTC a y y y win 0x0c 32 0 8 8 8 8 24 8 16 1 0x3aTC a y y y win 0x0d 24 0 8 8 8 0 0 0 2 1 0x3aTC y y y y win 0x0e 24 0 8 8 8 0 0 0 4 1 0x3aTC y y y y win 0x0f 24 0 8 8 8 0 0 0 8 1 0x3aTC y y y y win 0x10 24 0 8 8 8 0 0 0 16 1 0x3aTC y y y y win 0x11 24 0 8 8 8 0 24 8 2 1 0x3aTC y y y y win 0x12 24 0 8 8 8 0 24 8 4 1 0x3aTC y y y y win 0x13 24 0 8 8 8 0 24 8 8 1 0x3aTC y y y y win 0x14 24 0 8 8 8 0 24 8 16 1 0x3aTC y y y y win 0x15 32 0 8 8 8 8 0 0 0 0 0x3bDC a y y y win,pb,pix 0x16 32 0 8 8 8 8 24 8 0 0 0x3bDC a y y y win,pb,pix 0x17 24 0 8 8 8 0 0 0 0 0 0x3bDC y y y y win,pb,pix 0x18 24 0 8 8 8 0 24 8 0 0 0x3bDC y y y y win,pb,pix 0x19 32 0 8 8 8 8 0 0 2 1 0x3bDC a y y y win 0x1a 32 0 8 8 8 8 0 0 4 1 0x3bDC a y y y win 0x1b 32 0 8 8 8 8 0 0 8 1 0x3bDC a y y y win 0x1c 32 0 8 8 8 8 0 0 16 1 0x3bDC a y y y win 0x1d 32 0 8 8 8 8 24 8 2 1 0x3bDC a y y y win 0x1e 32 0 8 8 8 8 24 8 4 1 0x3bDC a y y y win 0x1f 32 0 8 8 8 8 24 8 8 1 0x3bDC a y y y win 0x20 32 0 8 8 8 8 24 8 16 1 0x3bDC a y y y win 0x21 24 0 8 8 8 0 0 0 2 1 0x3bDC y y y y win 0x22 24 0 8 8 8 0 0 0 4 1 0x3bDC y y y y win 0x23 24 0 8 8 8 0 0 0 8 1 0x3bDC y y y y win 0x24 24 0 8 8 8 0 0 0 16 1 0x3bDC y y y y win 0x25 24 0 8 8 8 0 24 8 2 1 0x3bDC y y y y win 0x26 24 0 8 8 8 0 24 8 4 1 0x3bDC y y y y win 0x27 24 0 8 8 8 0 24 8 8 1 0x3bDC y y y y win 0x28 24 0 8 8 8 0 24 8 16 1 0x3bDC y y y y win Device platform: eglinfo: eglInitialize failed I have no idea what it means but looking at it I can sense that there is something wrong. 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