Method init

3rdparty/bgfx/src/renderer_gl.cpp:2275–3235

		}

		bool init(const Init& _init)
		{
			struct ErrorState
			{
				enum Enum
				{
					Default,
				};
			};

			ErrorState::Enum errorState = ErrorState::Default;

			initLazyEnabledVertexAttributes();

			if (_init.debug
			||  _init.profile)
			{
				m_renderdocdll = loadRenderDoc();
			}

			m_fbh = BGFX_INVALID_HANDLE;
			bx::memSet(m_uniforms, 0, sizeof(m_uniforms) );
			bx::memSet(&m_resolution, 0, sizeof(m_resolution) );

			setRenderContextSize(_init.resolution);

			m_vendor      = getGLString(GL_VENDOR);
			m_renderer    = getGLString(GL_RENDERER);
			m_version     = getGLString(GL_VERSION);
			m_glslVersion = getGLString(GL_SHADING_LANGUAGE_VERSION);

			{
				if (BX_ENABLED(BX_PLATFORM_EMSCRIPTEN) )
				{
					int32_t majorGlVersion = 0;
					int32_t minorGlVersion = 0;
					const char* version = m_version;

					while (*version && !bx::isNumeric(*version) )
					{
						++version;
					}

					bx::fromString(&majorGlVersion, version);
					bx::fromString(&minorGlVersion, version + 2);
					int32_t glVersion = majorGlVersion*10 + minorGlVersion;

					BX_TRACE("WebGL context version %d (%d.%d).", glVersion, majorGlVersion, minorGlVersion);

					m_gles3 = glVersion >= 30;
				}
				else
				{
					m_gles3 = BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 30);
				}
			}

			for (uint32_t ii = 0; ii < BX_COUNTOF(s_vendorIds); ++ii)