Hey all,
I have an issue trying to use egl with glew.
I just try to run this :
int main(int argc, char **argv) {
EGLDisplay display;
EGLConfig config;
EGLContext context;
EGLint num_config;
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (display == EGL_NO_DISPLAY)
{
std:: cout << "ERROR: EGL could not be initialized"<< std::endl;
exit(EXIT_FAILURE);
}
if (!eglInitialize(display, nullptr, nullptr))
{
std:: cout << "ERROR: Could not start EGL display connection"<< std::endl;
exit(EXIT_FAILURE);
}
if (eglChooseConfig(display, nullptr, &config, 1, &num_config) != EGL_TRUE)
{
std:: cout << "ERROR: Configuration selection failed" << std::endl;
exit(EXIT_FAILURE);
}
eglBindAPI(EGL_OPENGL_API);
context = eglCreateContext(display, config, EGL_NO_CONTEXT, NULL);
if (eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, context) != EGL_TRUE) {
std:: cout << "ERROR: Display was not made current one"<< std::endl;
exit(EXIT_FAILURE);
}
GLenum err = glewInit();
if (GLEW_OK != err)
{
std:: cout << "GLEW Error: " << glewGetErrorString(err) << std::endl;
exit(EXIT_FAILURE);
}
// ... some code here
}
But when running it I have:
> GLEW Error: Missing GL version
It looks like my glewInit fails with the gl context but I don’t understand why, because my glewInit is call after the context creation. And there is no error from egl.
The purpose of this code is to be able to have opengl context without any window. This code was working in the past but not since I upgraded my ubuntu 17.10 with nvidia 384, working on quadro K2000M.
Here is my glxinfo :
glxinfo
name of display: :1
display: :1 screen: 0
direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
server glx extensions:
GLX_ARB_context_flush_control, GLX_ARB_create_context,
GLX_ARB_create_context_profile, GLX_ARB_create_context_robustness,
GLX_ARB_fbconfig_float, GLX_ARB_multisample, GLX_EXT_buffer_age,
GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile,
GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context, GLX_EXT_libglvnd,
GLX_EXT_stereo_tree, GLX_EXT_swap_control, GLX_EXT_swap_control_tear,
GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
GLX_NV_copy_buffer, GLX_NV_copy_image, GLX_NV_delay_before_swap,
GLX_NV_float_buffer, GLX_NV_robustness_video_memory_purge,
GLX_NV_swap_group, GLX_NV_video_capture, GLX_SGIX_fbconfig,
GLX_SGIX_pbuffer, GLX_SGI_swap_control, GLX_SGI_video_sync
client glx vendor string: NVIDIA Corporation
client glx version string: 1.4
client glx extensions:
GLX_ARB_context_flush_control, GLX_ARB_create_context,
GLX_ARB_create_context_profile, GLX_ARB_create_context_robustness,
GLX_ARB_fbconfig_float, GLX_ARB_get_proc_address, GLX_ARB_multisample,
GLX_EXT_buffer_age, GLX_EXT_create_context_es2_profile,
GLX_EXT_create_context_es_profile, GLX_EXT_fbconfig_packed_float,
GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context, GLX_EXT_stereo_tree,
GLX_EXT_swap_control, GLX_EXT_swap_control_tear,
GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating,
GLX_NV_copy_buffer, GLX_NV_copy_image, GLX_NV_delay_before_swap,
GLX_NV_float_buffer, GLX_NV_multisample_coverage, GLX_NV_present_video,
GLX_NV_robustness_video_memory_purge, GLX_NV_swap_group,
GLX_NV_video_capture, GLX_NV_video_out, GLX_SGIX_fbconfig,
GLX_SGIX_pbuffer, GLX_SGI_swap_control, GLX_SGI_video_sync
GLX version: 1.4
GLX extensions:
GLX_ARB_context_flush_control, GLX_ARB_create_context,
GLX_ARB_create_context_profile, GLX_ARB_create_context_robustness,
GLX_ARB_fbconfig_float, GLX_ARB_get_proc_address, GLX_ARB_multisample,
GLX_EXT_buffer_age, GLX_EXT_create_context_es2_profile,
GLX_EXT_create_context_es_profile, GLX_EXT_framebuffer_sRGB,
GLX_EXT_import_context, GLX_EXT_stereo_tree, GLX_EXT_swap_control,
GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap,
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_NV_copy_buffer,
GLX_NV_copy_image, GLX_NV_delay_before_swap, GLX_NV_float_buffer,
GLX_NV_robustness_video_memory_purge, GLX_NV_swap_group,
GLX_NV_video_capture, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer,
GLX_SGI_swap_control, GLX_SGI_video_sync
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: Quadro M2000M/PCIe/SSE2
OpenGL core profile version string: 4.5.0 NVIDIA 384.90
OpenGL core profile shading language version string: 4.50 NVIDIA
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
GL_AMD_multi_draw_indirect, GL_AMD_seamless_cubemap_per_texture,
GL_ARB_ES2_compatibility, GL_ARB_ES3_1_compatibility,
GL_ARB_ES3_2_compatibility, GL_ARB_ES3_compatibility,
GL_ARB_arrays_of_arrays, GL_ARB_base_instance, GL_ARB_bindless_texture,
GL_ARB_blend_func_extended, GL_ARB_buffer_storage, GL_ARB_cl_event,
GL_ARB_clear_buffer_object, GL_ARB_clear_texture, GL_ARB_clip_control,
GL_ARB_color_buffer_float, GL_ARB_compressed_texture_pixel_storage,
GL_ARB_compute_shader, GL_ARB_compute_variable_group_size,
GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth,
GL_ARB_copy_buffer, GL_ARB_copy_image, GL_ARB_cull_distance,
GL_ARB_debug_output, GL_ARB_depth_buffer_float, GL_ARB_depth_clamp,
GL_ARB_depth_texture, GL_ARB_derivative_control,
GL_ARB_direct_state_access, GL_ARB_draw_buffers,
GL_ARB_draw_buffers_blend, GL_ARB_draw_elements_base_vertex,
GL_ARB_draw_indirect, GL_ARB_draw_instanced, GL_ARB_enhanced_layouts,
GL_ARB_explicit_attrib_location, GL_ARB_explicit_uniform_location,
GL_ARB_fragment_coord_conventions, GL_ARB_fragment_layer_viewport,
GL_ARB_fragment_program, GL_ARB_fragment_program_shadow,
GL_ARB_fragment_shader, GL_ARB_framebuffer_no_attachments,
GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB,
GL_ARB_geometry_shader4, GL_ARB_get_program_binary,
GL_ARB_get_texture_sub_image, GL_ARB_gl_spirv, GL_ARB_gpu_shader5,
GL_ARB_gpu_shader_fp64, GL_ARB_gpu_shader_int64, GL_ARB_half_float_pixel,
GL_ARB_half_float_vertex, GL_ARB_imaging, GL_ARB_indirect_parameters,
GL_ARB_instanced_arrays, GL_ARB_internalformat_query,
GL_ARB_internalformat_query2, GL_ARB_invalidate_subdata,
GL_ARB_map_buffer_alignment, GL_ARB_map_buffer_range, GL_ARB_multi_bind,
GL_ARB_multi_draw_indirect, GL_ARB_multisample, GL_ARB_multitexture,
GL_ARB_occlusion_query, GL_ARB_occlusion_query2,
GL_ARB_parallel_shader_compile, GL_ARB_pipeline_statistics_query,
GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite,
GL_ARB_program_interface_query, GL_ARB_provoking_vertex,
GL_ARB_query_buffer_object, GL_ARB_robust_buffer_access_behavior,
GL_ARB_robustness, GL_ARB_sample_shading, GL_ARB_sampler_objects,
GL_ARB_seamless_cube_map, GL_ARB_seamless_cubemap_per_texture,
GL_ARB_separate_shader_objects, GL_ARB_shader_atomic_counter_ops,
GL_ARB_shader_atomic_counters, GL_ARB_shader_ballot,
GL_ARB_shader_bit_encoding, GL_ARB_shader_clock,
GL_ARB_shader_draw_parameters, GL_ARB_shader_group_vote,
GL_ARB_shader_image_load_store, GL_ARB_shader_image_size,
GL_ARB_shader_objects, GL_ARB_shader_precision,
GL_ARB_shader_storage_buffer_object, GL_ARB_shader_subroutine,
GL_ARB_shader_texture_image_samples, GL_ARB_shader_texture_lod,
GL_ARB_shading_language_100, GL_ARB_shading_language_420pack,
GL_ARB_shading_language_include, GL_ARB_shading_language_packing,
GL_ARB_shadow, GL_ARB_sparse_buffer, GL_ARB_sparse_texture,
GL_ARB_stencil_texturing, GL_ARB_sync, GL_ARB_tessellation_shader,
GL_ARB_texture_barrier, GL_ARB_texture_border_clamp,
GL_ARB_texture_buffer_object, GL_ARB_texture_buffer_object_rgb32,
GL_ARB_texture_buffer_range, GL_ARB_texture_compression,
GL_ARB_texture_compression_bptc, GL_ARB_texture_compression_rgtc,
GL_ARB_texture_cube_map, GL_ARB_texture_cube_map_array,
GL_ARB_texture_env_add, GL_ARB_texture_env_combine,
GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3,
GL_ARB_texture_float, GL_ARB_texture_gather,
GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_mirrored_repeat,
GL_ARB_texture_multisample, GL_ARB_texture_non_power_of_two,
GL_ARB_texture_query_levels, GL_ARB_texture_query_lod,
GL_ARB_texture_rectangle, GL_ARB_texture_rg, GL_ARB_texture_rgb10_a2ui,
GL_ARB_texture_stencil8, GL_ARB_texture_storage,
GL_ARB_texture_storage_multisample, GL_ARB_texture_swizzle,
GL_ARB_texture_view, GL_ARB_timer_query, GL_ARB_transform_feedback2,
GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced,
GL_ARB_transform_feedback_overflow_query, GL_ARB_transpose_matrix,
GL_ARB_uniform_buffer_object, GL_ARB_vertex_array_bgra,
GL_ARB_vertex_array_object, GL_ARB_vertex_attrib_64bit,
GL_ARB_vertex_attrib_binding, GL_ARB_vertex_buffer_object,
GL_ARB_vertex_program, GL_ARB_vertex_shader,
GL_ARB_vertex_type_10f_11f_11f_rev, GL_ARB_vertex_type_2_10_10_10_rev,
GL_ARB_viewport_array, GL_ARB_window_pos, GL_ATI_draw_buffers,
GL_ATI_texture_float, GL_ATI_texture_mirror_once,
GL_EXTX_framebuffer_mixed_formats, GL_EXT_Cg_shader, GL_EXT_abgr,
GL_EXT_bgra, GL_EXT_bindable_uniform, GL_EXT_blend_color,
GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate,
GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_compiled_vertex_array,
GL_EXT_depth_bounds_test, GL_EXT_direct_state_access,
GL_EXT_draw_buffers2, GL_EXT_draw_instanced, GL_EXT_draw_range_elements,
GL_EXT_fog_coord, GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample,
GL_EXT_framebuffer_multisample_blit_scaled, GL_EXT_framebuffer_object,
GL_EXT_framebuffer_sRGB, GL_EXT_geometry_shader4,
GL_EXT_gpu_program_parameters, GL_EXT_gpu_shader4,
GL_EXT_import_sync_object, GL_EXT_memory_object, GL_EXT_memory_object_fd,
GL_EXT_multi_draw_arrays, GL_EXT_packed_depth_stencil,
GL_EXT_packed_float, GL_EXT_packed_pixels, GL_EXT_pixel_buffer_object,
GL_EXT_point_parameters, GL_EXT_polygon_offset_clamp,
GL_EXT_provoking_vertex, GL_EXT_rescale_normal, GL_EXT_secondary_color,
GL_EXT_semaphore, GL_EXT_semaphore_fd, GL_EXT_separate_shader_objects,
GL_EXT_separate_specular_color, GL_EXT_shader_image_load_formatted,
GL_EXT_shader_image_load_store, GL_EXT_shader_integer_mix,
GL_EXT_shadow_funcs, GL_EXT_stencil_two_side, GL_EXT_stencil_wrap,
GL_EXT_texture3D, GL_EXT_texture_array, GL_EXT_texture_buffer_object,
GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_latc,
GL_EXT_texture_compression_rgtc, GL_EXT_texture_compression_s3tc,
GL_EXT_texture_cube_map, GL_EXT_texture_edge_clamp,
GL_EXT_texture_env_add, GL_EXT_texture_env_combine,
GL_EXT_texture_env_dot3, GL_EXT_texture_filter_anisotropic,
GL_EXT_texture_integer, GL_EXT_texture_lod, GL_EXT_texture_lod_bias,
GL_EXT_texture_mirror_clamp, GL_EXT_texture_object, GL_EXT_texture_sRGB,
GL_EXT_texture_sRGB_decode, GL_EXT_texture_shared_exponent,
GL_EXT_texture_storage, GL_EXT_texture_swizzle, GL_EXT_timer_query,
GL_EXT_transform_feedback2, GL_EXT_vertex_array, GL_EXT_vertex_array_bgra,
GL_EXT_vertex_attrib_64bit, GL_EXT_window_rectangles,
GL_EXT_x11_sync_object, GL_IBM_rasterpos_clip,
GL_IBM_texture_mirrored_repeat, GL_KHR_blend_equation_advanced,
GL_KHR_blend_equation_advanced_coherent, GL_KHR_context_flush_control,
GL_KHR_debug, GL_KHR_no_error, GL_KHR_robust_buffer_access_behavior,
GL_KHR_robustness, GL_KTX_buffer_region, GL_NVX_conditional_render,
GL_NVX_gpu_memory_info, GL_NVX_nvenc_interop, GL_NV_ES1_1_compatibility,
GL_NV_ES3_1_compatibility, GL_NV_alpha_to_coverage_dither_control,
GL_NV_bindless_multi_draw_indirect,
GL_NV_bindless_multi_draw_indirect_count, GL_NV_bindless_texture,
GL_NV_blend_equation_advanced, GL_NV_blend_equation_advanced_coherent,
GL_NV_blend_square, GL_NV_command_list, GL_NV_compute_program5,
GL_NV_conditional_render, GL_NV_copy_depth_to_color, GL_NV_copy_image,
GL_NV_deep_texture3D, GL_NV_depth_buffer_float, GL_NV_depth_clamp,
GL_NV_draw_texture, GL_NV_draw_vulkan_image, GL_NV_explicit_multisample,
GL_NV_fence, GL_NV_float_buffer, GL_NV_fog_distance,
GL_NV_fragment_program, GL_NV_fragment_program2,
GL_NV_fragment_program_option, GL_NV_framebuffer_multisample_coverage,
GL_NV_geometry_shader4, GL_NV_gpu_program4, GL_NV_gpu_program4_1,
GL_NV_gpu_program5, GL_NV_gpu_program5_mem_extended,
GL_NV_gpu_program_fp64, GL_NV_gpu_shader5, GL_NV_half_float,
GL_NV_internalformat_sample_query, GL_NV_light_max_exponent,
GL_NV_multisample_coverage, GL_NV_multisample_filter_hint,
GL_NV_occlusion_query, GL_NV_packed_depth_stencil,
GL_NV_parameter_buffer_object, GL_NV_parameter_buffer_object2,
GL_NV_path_rendering, GL_NV_pixel_data_range, GL_NV_point_sprite,
GL_NV_primitive_restart, GL_NV_register_combiners,
GL_NV_register_combiners2, GL_NV_robustness_video_memory_purge,
GL_NV_shader_atomic_counters, GL_NV_shader_atomic_float,
GL_NV_shader_atomic_int64, GL_NV_shader_buffer_load,
GL_NV_shader_storage_buffer_object, GL_NV_shader_thread_group,
GL_NV_shader_thread_shuffle, GL_NV_texgen_reflection,
GL_NV_texture_barrier, GL_NV_texture_compression_vtc,
GL_NV_texture_env_combine4, GL_NV_texture_multisample,
GL_NV_texture_rectangle, GL_NV_texture_shader, GL_NV_texture_shader2,
GL_NV_texture_shader3, GL_NV_transform_feedback,
GL_NV_transform_feedback2, GL_NV_uniform_buffer_unified_memory,
GL_NV_vdpau_interop, GL_NV_vertex_array_range, GL_NV_vertex_array_range2,
GL_NV_vertex_attrib_integer_64bit, GL_NV_vertex_buffer_unified_memory,
GL_NV_vertex_program, GL_NV_vertex_program1_1, GL_NV_vertex_program2,
GL_NV_vertex_program2_option, GL_NV_vertex_program3, GL_S3_s3tc,
GL_SGIS_generate_mipmap, GL_SGIS_texture_lod, GL_SGIX_depth_texture,
GL_SGIX_shadow, GL_SUN_slice_accum
OpenGL version string: 4.5.0 NVIDIA 384.90
OpenGL shading language version string: 4.50 NVIDIA
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL extensions:
GL_AMD_multi_draw_indirect, GL_AMD_seamless_cubemap_per_texture,
GL_ARB_ES2_compatibility, GL_ARB_ES3_1_compatibility,
GL_ARB_ES3_2_compatibility, GL_ARB_ES3_compatibility,
GL_ARB_arrays_of_arrays, GL_ARB_base_instance, GL_ARB_bindless_texture,
GL_ARB_blend_func_extended, GL_ARB_buffer_storage, GL_ARB_cl_event,
GL_ARB_clear_buffer_object, GL_ARB_clear_texture, GL_ARB_clip_control,
GL_ARB_color_buffer_float, GL_ARB_compatibility,
GL_ARB_compressed_texture_pixel_storage, GL_ARB_compute_shader,
GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted,
GL_ARB_conservative_depth, GL_ARB_copy_buffer, GL_ARB_copy_image,
GL_ARB_cull_distance, GL_ARB_debug_output, GL_ARB_depth_buffer_float,
GL_ARB_depth_clamp, GL_ARB_depth_texture, GL_ARB_derivative_control,
GL_ARB_direct_state_access, GL_ARB_draw_buffers,
GL_ARB_draw_buffers_blend, GL_ARB_draw_elements_base_vertex,
GL_ARB_draw_indirect, GL_ARB_draw_instanced, GL_ARB_enhanced_layouts,
GL_ARB_explicit_attrib_location, GL_ARB_explicit_uniform_location,
GL_ARB_fragment_coord_conventions, GL_ARB_fragment_layer_viewport,
GL_ARB_fragment_program, GL_ARB_fragment_program_shadow,
GL_ARB_fragment_shader, GL_ARB_framebuffer_no_attachments,
GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB,
GL_ARB_geometry_shader4, GL_ARB_get_program_binary,
GL_ARB_get_texture_sub_image, GL_ARB_gl_spirv, GL_ARB_gpu_shader5,
GL_ARB_gpu_shader_fp64, GL_ARB_gpu_shader_int64, GL_ARB_half_float_pixel,
GL_ARB_half_float_vertex, GL_ARB_imaging, GL_ARB_indirect_parameters,
GL_ARB_instanced_arrays, GL_ARB_internalformat_query,
GL_ARB_internalformat_query2, GL_ARB_invalidate_subdata,
GL_ARB_map_buffer_alignment, GL_ARB_map_buffer_range, GL_ARB_multi_bind,
GL_ARB_multi_draw_indirect, GL_ARB_multisample, GL_ARB_multitexture,
GL_ARB_occlusion_query, GL_ARB_occlusion_query2,
GL_ARB_parallel_shader_compile, GL_ARB_pipeline_statistics_query,
GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite,
GL_ARB_program_interface_query, GL_ARB_provoking_vertex,
GL_ARB_query_buffer_object, GL_ARB_robust_buffer_access_behavior,
GL_ARB_robustness, GL_ARB_sample_shading, GL_ARB_sampler_objects,
GL_ARB_seamless_cube_map, GL_ARB_seamless_cubemap_per_texture,
GL_ARB_separate_shader_objects, GL_ARB_shader_atomic_counter_ops,
GL_ARB_shader_atomic_counters, GL_ARB_shader_ballot,
GL_ARB_shader_bit_encoding, GL_ARB_shader_clock,
GL_ARB_shader_draw_parameters, GL_ARB_shader_group_vote,
GL_ARB_shader_image_load_store, GL_ARB_shader_image_size,
GL_ARB_shader_objects, GL_ARB_shader_precision,
GL_ARB_shader_storage_buffer_object, GL_ARB_shader_subroutine,
GL_ARB_shader_texture_image_samples, GL_ARB_shader_texture_lod,
GL_ARB_shading_language_100, GL_ARB_shading_language_420pack,
GL_ARB_shading_language_include, GL_ARB_shading_language_packing,
GL_ARB_shadow, GL_ARB_sparse_buffer, GL_ARB_sparse_texture,
GL_ARB_stencil_texturing, GL_ARB_sync, GL_ARB_tessellation_shader,
GL_ARB_texture_barrier, GL_ARB_texture_border_clamp,
GL_ARB_texture_buffer_object, GL_ARB_texture_buffer_object_rgb32,
GL_ARB_texture_buffer_range, GL_ARB_texture_compression,
GL_ARB_texture_compression_bptc, GL_ARB_texture_compression_rgtc,
GL_ARB_texture_cube_map, GL_ARB_texture_cube_map_array,
GL_ARB_texture_env_add, GL_ARB_texture_env_combine,
GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3,
GL_ARB_texture_float, GL_ARB_texture_gather,
GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_mirrored_repeat,
GL_ARB_texture_multisample, GL_ARB_texture_non_power_of_two,
GL_ARB_texture_query_levels, GL_ARB_texture_query_lod,
GL_ARB_texture_rectangle, GL_ARB_texture_rg, GL_ARB_texture_rgb10_a2ui,
GL_ARB_texture_stencil8, GL_ARB_texture_storage,
GL_ARB_texture_storage_multisample, GL_ARB_texture_swizzle,
GL_ARB_texture_view, GL_ARB_timer_query, GL_ARB_transform_feedback2,
GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced,
GL_ARB_transform_feedback_overflow_query, GL_ARB_transpose_matrix,
GL_ARB_uniform_buffer_object, GL_ARB_vertex_array_bgra,
GL_ARB_vertex_array_object, GL_ARB_vertex_attrib_64bit,
GL_ARB_vertex_attrib_binding, GL_ARB_vertex_buffer_object,
GL_ARB_vertex_program, GL_ARB_vertex_shader,
GL_ARB_vertex_type_10f_11f_11f_rev, GL_ARB_vertex_type_2_10_10_10_rev,
GL_ARB_viewport_array, GL_ARB_window_pos, GL_ATI_draw_buffers,
GL_ATI_texture_float, GL_ATI_texture_mirror_once,
GL_EXTX_framebuffer_mixed_formats, GL_EXT_Cg_shader, GL_EXT_abgr,
GL_EXT_bgra, GL_EXT_bindable_uniform, GL_EXT_blend_color,
GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate,
GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_compiled_vertex_array,
GL_EXT_depth_bounds_test, GL_EXT_direct_state_access,
GL_EXT_draw_buffers2, GL_EXT_draw_instanced, GL_EXT_draw_range_elements,
GL_EXT_fog_coord, GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample,
GL_EXT_framebuffer_multisample_blit_scaled, GL_EXT_framebuffer_object,
GL_EXT_framebuffer_sRGB, GL_EXT_geometry_shader4,
GL_EXT_gpu_program_parameters, GL_EXT_gpu_shader4,
GL_EXT_import_sync_object, GL_EXT_memory_object, GL_EXT_memory_object_fd,
GL_EXT_multi_draw_arrays, GL_EXT_packed_depth_stencil,
GL_EXT_packed_float, GL_EXT_packed_pixels, GL_EXT_pixel_buffer_object,
GL_EXT_point_parameters, GL_EXT_polygon_offset_clamp,
GL_EXT_provoking_vertex, GL_EXT_rescale_normal, GL_EXT_secondary_color,
GL_EXT_semaphore, GL_EXT_semaphore_fd, GL_EXT_separate_shader_objects,
GL_EXT_separate_specular_color, GL_EXT_shader_image_load_formatted,
GL_EXT_shader_image_load_store, GL_EXT_shader_integer_mix,
GL_EXT_shadow_funcs, GL_EXT_stencil_two_side, GL_EXT_stencil_wrap,
GL_EXT_texture3D, GL_EXT_texture_array, GL_EXT_texture_buffer_object,
GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_latc,
GL_EXT_texture_compression_rgtc, GL_EXT_texture_compression_s3tc,
GL_EXT_texture_cube_map, GL_EXT_texture_edge_clamp,
GL_EXT_texture_env_add, GL_EXT_texture_env_combine,
GL_EXT_texture_env_dot3, GL_EXT_texture_filter_anisotropic,
GL_EXT_texture_integer, GL_EXT_texture_lod, GL_EXT_texture_lod_bias,
GL_EXT_texture_mirror_clamp, GL_EXT_texture_object, GL_EXT_texture_sRGB,
GL_EXT_texture_sRGB_decode, GL_EXT_texture_shared_exponent,
GL_EXT_texture_storage, GL_EXT_texture_swizzle, GL_EXT_timer_query,
GL_EXT_transform_feedback2, GL_EXT_vertex_array, GL_EXT_vertex_array_bgra,
GL_EXT_vertex_attrib_64bit, GL_EXT_window_rectangles,
GL_EXT_x11_sync_object, GL_IBM_rasterpos_clip,
GL_IBM_texture_mirrored_repeat, GL_KHR_blend_equation_advanced,
GL_KHR_blend_equation_advanced_coherent, GL_KHR_context_flush_control,
GL_KHR_debug, GL_KHR_no_error, GL_KHR_robust_buffer_access_behavior,
GL_KHR_robustness, GL_KTX_buffer_region, GL_NVX_conditional_render,
GL_NVX_gpu_memory_info, GL_NVX_nvenc_interop, GL_NV_ES1_1_compatibility,
GL_NV_ES3_1_compatibility, GL_NV_alpha_to_coverage_dither_control,
GL_NV_bindless_multi_draw_indirect,
GL_NV_bindless_multi_draw_indirect_count, GL_NV_bindless_texture,
GL_NV_blend_equation_advanced, GL_NV_blend_equation_advanced_coherent,
GL_NV_blend_square, GL_NV_command_list, GL_NV_compute_program5,
GL_NV_conditional_render, GL_NV_copy_depth_to_color, GL_NV_copy_image,
GL_NV_deep_texture3D, GL_NV_depth_buffer_float, GL_NV_depth_clamp,
GL_NV_draw_texture, GL_NV_draw_vulkan_image, GL_NV_explicit_multisample,
GL_NV_fence, GL_NV_float_buffer, GL_NV_fog_distance,
GL_NV_fragment_program, GL_NV_fragment_program2,
GL_NV_fragment_program_option, GL_NV_framebuffer_multisample_coverage,
GL_NV_geometry_shader4, GL_NV_gpu_program4, GL_NV_gpu_program4_1,
GL_NV_gpu_program5, GL_NV_gpu_program5_mem_extended,
GL_NV_gpu_program_fp64, GL_NV_gpu_shader5, GL_NV_half_float,
GL_NV_internalformat_sample_query, GL_NV_light_max_exponent,
GL_NV_multisample_coverage, GL_NV_multisample_filter_hint,
GL_NV_occlusion_query, GL_NV_packed_depth_stencil,
GL_NV_parameter_buffer_object, GL_NV_parameter_buffer_object2,
GL_NV_path_rendering, GL_NV_pixel_data_range, GL_NV_point_sprite,
GL_NV_primitive_restart, GL_NV_register_combiners,
GL_NV_register_combiners2, GL_NV_robustness_video_memory_purge,
GL_NV_shader_atomic_counters, GL_NV_shader_atomic_float,
GL_NV_shader_atomic_int64, GL_NV_shader_buffer_load,
GL_NV_shader_storage_buffer_object, GL_NV_shader_thread_group,
GL_NV_shader_thread_shuffle, GL_NV_texgen_reflection,
GL_NV_texture_barrier, GL_NV_texture_compression_vtc,
GL_NV_texture_env_combine4, GL_NV_texture_multisample,
GL_NV_texture_rectangle, GL_NV_texture_shader, GL_NV_texture_shader2,
GL_NV_texture_shader3, GL_NV_transform_feedback,
GL_NV_transform_feedback2, GL_NV_uniform_buffer_unified_memory,
GL_NV_vdpau_interop, GL_NV_vertex_array_range, GL_NV_vertex_array_range2,
GL_NV_vertex_attrib_integer_64bit, GL_NV_vertex_buffer_unified_memory,
GL_NV_vertex_program, GL_NV_vertex_program1_1, GL_NV_vertex_program2,
GL_NV_vertex_program2_option, GL_NV_vertex_program3, GL_S3_s3tc,
GL_SGIS_generate_mipmap, GL_SGIS_texture_lod, GL_SGIX_depth_texture,
GL_SGIX_shadow, GL_SUN_slice_accum
OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 384.90
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:
GL_ANDROID_extension_pack_es31a, GL_EXT_base_instance,
GL_EXT_blend_func_extended, GL_EXT_blend_minmax, GL_EXT_buffer_storage,
GL_EXT_clip_cull_distance, GL_EXT_color_buffer_float,
GL_EXT_color_buffer_half_float, GL_EXT_compressed_ETC1_RGB8_sub_texture,
GL_EXT_copy_image, GL_EXT_debug_label, GL_EXT_discard_framebuffer,
GL_EXT_disjoint_timer_query, GL_EXT_draw_buffers_indexed,
GL_EXT_draw_elements_base_vertex, GL_EXT_draw_transform_feedback,
GL_EXT_float_blend, GL_EXT_frag_depth, GL_EXT_geometry_point_size,
GL_EXT_geometry_shader, GL_EXT_gpu_shader5, GL_EXT_map_buffer_range,
GL_EXT_memory_object, GL_EXT_memory_object_fd, GL_EXT_multi_draw_indirect,
GL_EXT_multisample_compatibility, GL_EXT_occlusion_query_boolean,
GL_EXT_polygon_offset_clamp, GL_EXT_primitive_bounding_box,
GL_EXT_protected_textures, GL_EXT_render_snorm, GL_EXT_robustness,
GL_EXT_sRGB, GL_EXT_sRGB_write_control, GL_EXT_semaphore,
GL_EXT_semaphore_fd, GL_EXT_separate_shader_objects,
GL_EXT_shader_group_vote, GL_EXT_shader_implicit_conversions,
GL_EXT_shader_integer_mix, GL_EXT_shader_io_blocks,
GL_EXT_shader_non_constant_global_initializers, GL_EXT_shader_texture_lod,
GL_EXT_shadow_samplers, GL_EXT_sparse_texture,
GL_EXT_tessellation_point_size, GL_EXT_tessellation_shader,
GL_EXT_texture_border_clamp, GL_EXT_texture_buffer,
GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_s3tc,
GL_EXT_texture_cube_map_array, GL_EXT_texture_filter_anisotropic,
GL_EXT_texture_format_BGRA8888, GL_EXT_texture_norm16, GL_EXT_texture_rg,
GL_EXT_texture_sRGB_R8, GL_EXT_texture_sRGB_decode,
GL_EXT_texture_storage, GL_EXT_texture_view, GL_EXT_unpack_subimage,
GL_EXT_window_rectangles, GL_KHR_blend_equation_advanced,
GL_KHR_blend_equation_advanced_coherent, GL_KHR_context_flush_control,
GL_KHR_debug, GL_KHR_no_error, GL_KHR_robust_buffer_access_behavior,
GL_KHR_robustness, GL_NV_bgr, GL_NV_bindless_texture,
GL_NV_blend_equation_advanced, GL_NV_blend_equation_advanced_coherent,
GL_NV_conditional_render, GL_NV_copy_buffer, GL_NV_copy_image,
GL_NV_draw_buffers, GL_NV_draw_instanced, GL_NV_draw_texture,
GL_NV_draw_vulkan_image, GL_NV_explicit_attrib_location,
GL_NV_fbo_color_attachments, GL_NV_framebuffer_blit,
GL_NV_framebuffer_multisample, GL_NV_generate_mipmap_sRGB,
GL_NV_gpu_shader5, GL_NV_image_formats, GL_NV_instanced_arrays,
GL_NV_internalformat_sample_query, GL_NV_non_square_matrices,
GL_NV_occlusion_query_samples, GL_NV_pack_subimage, GL_NV_packed_float,
GL_NV_packed_float_linear, GL_NV_path_rendering,
GL_NV_pixel_buffer_object, GL_NV_polygon_mode, GL_NV_read_buffer,
GL_NV_read_depth, GL_NV_read_depth_stencil, GL_NV_read_stencil,
GL_NV_sRGB_formats, GL_NV_shader_noperspective_interpolation,
GL_NV_shadow_samplers_array, GL_NV_shadow_samplers_cube,
GL_NV_texture_array, GL_NV_texture_barrier, GL_NV_texture_border_clamp,
GL_NV_texture_compression_latc, GL_NV_texture_compression_s3tc,
GL_NV_texture_compression_s3tc_update, GL_NV_timer_query,
GL_NV_viewport_array, GL_OES_compressed_ETC1_RGB8_texture,
GL_OES_copy_image, GL_OES_depth24, GL_OES_depth32, GL_OES_depth_texture,
GL_OES_depth_texture_cube_map, GL_OES_draw_buffers_indexed,
GL_OES_draw_elements_base_vertex, GL_OES_element_index_uint,
GL_OES_fbo_render_mipmap, GL_OES_geometry_point_size,
GL_OES_geometry_shader, GL_OES_get_program_binary, GL_OES_gpu_shader5,
GL_OES_mapbuffer, GL_OES_packed_depth_stencil,
GL_OES_primitive_bounding_box, GL_OES_rgb8_rgba8, GL_OES_sample_shading,
GL_OES_sample_variables, GL_OES_shader_image_atomic,
GL_OES_shader_io_blocks, GL_OES_shader_multisample_interpolation,
GL_OES_standard_derivatives, GL_OES_tessellation_point_size,
GL_OES_tessellation_shader, GL_OES_texture_border_clamp,
GL_OES_texture_buffer, GL_OES_texture_cube_map_array,
GL_OES_texture_float, GL_OES_texture_float_linear,
GL_OES_texture_half_float, GL_OES_texture_half_float_linear,
GL_OES_texture_npot, GL_OES_texture_stencil8,
GL_OES_texture_storage_multisample_2d_array, GL_OES_texture_view,
GL_OES_vertex_array_object, GL_OES_vertex_half_float,
GL_OES_viewport_array
Any clue ? Am I doing something wrong ?
Thanks for helping.