CWin32Platform::CWin32Platform(HWND hWnd) : IPlatformRequest () , m_hWnd (hWnd) , m_version_string (NULL) , m_bNoDefaultFont (false) { // WinSock 初期化 WSADATA wsaData; WSAStartup(MAKEWORD(2, 0), &wsaData); m_hDC = GetDC(m_hWnd); // OSとバージョンをあらわす文字列を作っておく m_version_string = create_version_string(); }
static void compute_version_es2(struct gl_context *ctx) { /* OpenGL ES 2.0 is derived from OpenGL 2.0 */ const GLboolean ver_2_0 = (ctx->Extensions.ARB_texture_cube_map && ctx->Extensions.EXT_blend_color && ctx->Extensions.EXT_blend_func_separate && ctx->Extensions.EXT_blend_minmax && ctx->Extensions.ARB_shader_objects && ctx->Extensions.ARB_vertex_shader && ctx->Extensions.ARB_fragment_shader && ctx->Extensions.ARB_texture_non_power_of_two && ctx->Extensions.EXT_blend_equation_separate); /* FINISHME: This list isn't quite right. */ const GLboolean ver_3_0 = (ctx->Extensions.ARB_half_float_vertex && ctx->Extensions.ARB_internalformat_query && ctx->Extensions.ARB_map_buffer_range && ctx->Extensions.ARB_shader_texture_lod && ctx->Extensions.ARB_texture_float && ctx->Extensions.ARB_texture_rg && ctx->Extensions.ARB_texture_compression_rgtc && ctx->Extensions.EXT_draw_buffers2 && /* ctx->Extensions.ARB_framebuffer_object && */ ctx->Extensions.EXT_framebuffer_sRGB && ctx->Extensions.EXT_packed_float && ctx->Extensions.EXT_texture_array && ctx->Extensions.EXT_texture_shared_exponent && ctx->Extensions.EXT_transform_feedback && ctx->Extensions.NV_conditional_render && ctx->Extensions.ARB_draw_instanced && ctx->Extensions.ARB_uniform_buffer_object && ctx->Extensions.EXT_texture_snorm && ctx->Extensions.NV_primitive_restart && ctx->Extensions.OES_depth_texture_cube_map); if (ver_3_0) { ctx->Version = 30; } else if (ver_2_0) { ctx->Version = 20; } else { _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support."); } create_version_string(ctx, "OpenGL ES "); }
static void compute_version_es1(struct gl_context *ctx) { /* OpenGL ES 1.0 is derived from OpenGL 1.3 */ const GLboolean ver_1_0 = (ctx->Extensions.ARB_texture_env_combine && ctx->Extensions.ARB_texture_env_dot3); /* OpenGL ES 1.1 is derived from OpenGL 1.5 */ const GLboolean ver_1_1 = (ver_1_0 && ctx->Extensions.EXT_point_parameters); if (ver_1_1) { ctx->Version = 11; } else if (ver_1_0) { ctx->Version = 10; } else { _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support."); } create_version_string(ctx, "OpenGL ES-CM "); }
/** * Override the context's version and/or API type if the * environment variable MESA_GL_VERSION_OVERRIDE is set. * * Example uses of MESA_GL_VERSION_OVERRIDE: * * 2.1: select a compatibility (non-Core) profile with GL version 2.1 * 3.0: select a compatibility (non-Core) profile with GL version 3.0 * 3.0FC: select a Core+Forward Compatible profile with GL version 3.0 * 3.1: select a Core profile with GL version 3.1 * 3.1FC: select a Core+Forward Compatible profile with GL version 3.1 */ void _mesa_override_gl_version(struct gl_context *ctx) { int version; GLboolean fwd_context; get_gl_override(&version, &fwd_context); if (version > 0) { ctx->Version = version; if (version >= 30 && fwd_context) { ctx->API = API_OPENGL_CORE; ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT; } else if (version >= 31) { ctx->API = API_OPENGL_CORE; } else { ctx->API = API_OPENGL_COMPAT; } create_version_string(ctx, ""); } }
static void compute_version_es2(struct gl_context *ctx) { /* OpenGL ES 2.0 is derived from OpenGL 2.0 */ const GLboolean ver_2_0 = (ctx->Extensions.ARB_texture_cube_map && ctx->Extensions.EXT_blend_color && ctx->Extensions.EXT_blend_func_separate && ctx->Extensions.EXT_blend_minmax && ctx->Extensions.ARB_shader_objects && ctx->Extensions.ARB_vertex_shader && ctx->Extensions.ARB_fragment_shader && ctx->Extensions.ARB_texture_non_power_of_two && ctx->Extensions.EXT_blend_equation_separate); if (ver_2_0) { ctx->Version = 20; } else { _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support."); } create_version_string(ctx, "OpenGL ES "); }
/** * Examine enabled GL extensions to determine GL version. */ static void compute_version(struct gl_context *ctx) { GLuint major, minor; const GLboolean ver_1_3 = (ctx->Extensions.ARB_texture_border_clamp && ctx->Extensions.ARB_texture_cube_map && ctx->Extensions.ARB_texture_env_combine && ctx->Extensions.ARB_texture_env_dot3); const GLboolean ver_1_4 = (ver_1_3 && ctx->Extensions.ARB_depth_texture && ctx->Extensions.ARB_shadow && ctx->Extensions.ARB_texture_env_crossbar && ctx->Extensions.EXT_blend_color && ctx->Extensions.EXT_blend_func_separate && ctx->Extensions.EXT_blend_minmax && ctx->Extensions.EXT_point_parameters); const GLboolean ver_1_5 = (ver_1_4 && ctx->Extensions.ARB_occlusion_query); const GLboolean ver_2_0 = (ver_1_5 && ctx->Extensions.ARB_point_sprite && ctx->Extensions.ARB_vertex_shader && ctx->Extensions.ARB_fragment_shader && ctx->Extensions.ARB_texture_non_power_of_two && ctx->Extensions.EXT_blend_equation_separate && /* Technically, 2.0 requires the functionality * of the EXT version. Enable 2.0 if either * extension is available, and assume that a * driver that only exposes the ATI extension * will fallback to software when necessary. */ (ctx->Extensions.EXT_stencil_two_side || ctx->Extensions.ATI_separate_stencil)); const GLboolean ver_2_1 = (ver_2_0 && ctx->Extensions.EXT_pixel_buffer_object && ctx->Extensions.EXT_texture_sRGB); const GLboolean ver_3_0 = (ver_2_1 && ctx->Const.GLSLVersion >= 130 && (ctx->Const.MaxSamples >= 4 || ctx->Const.FakeSWMSAA) && (ctx->API == API_OPENGL_CORE || ctx->Extensions.ARB_color_buffer_float) && ctx->Extensions.ARB_depth_buffer_float && ctx->Extensions.ARB_half_float_vertex && ctx->Extensions.ARB_map_buffer_range && ctx->Extensions.ARB_shader_texture_lod && ctx->Extensions.ARB_texture_float && ctx->Extensions.ARB_texture_rg && ctx->Extensions.ARB_texture_compression_rgtc && ctx->Extensions.EXT_draw_buffers2 && ctx->Extensions.ARB_framebuffer_object && ctx->Extensions.EXT_framebuffer_sRGB && ctx->Extensions.EXT_packed_float && ctx->Extensions.EXT_texture_array && ctx->Extensions.EXT_texture_shared_exponent && ctx->Extensions.EXT_transform_feedback && ctx->Extensions.NV_conditional_render); const GLboolean ver_3_1 = (ver_3_0 && ctx->Const.GLSLVersion >= 140 && ctx->Extensions.ARB_draw_instanced && ctx->Extensions.ARB_texture_buffer_object && ctx->Extensions.ARB_uniform_buffer_object && ctx->Extensions.EXT_texture_snorm && ctx->Extensions.NV_primitive_restart && ctx->Extensions.NV_texture_rectangle && ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits >= 16); const GLboolean ver_3_2 = (ver_3_1 && ctx->Const.GLSLVersion >= 150 && ctx->Extensions.ARB_depth_clamp && ctx->Extensions.ARB_draw_elements_base_vertex && ctx->Extensions.ARB_fragment_coord_conventions && ctx->Extensions.EXT_provoking_vertex && ctx->Extensions.ARB_seamless_cube_map && ctx->Extensions.ARB_sync && ctx->Extensions.ARB_texture_multisample && ctx->Extensions.EXT_vertex_array_bgra); const GLboolean ver_3_3 = (ver_3_2 && ctx->Const.GLSLVersion >= 330 && ctx->Extensions.ARB_blend_func_extended && ctx->Extensions.ARB_explicit_attrib_location && ctx->Extensions.ARB_instanced_arrays && ctx->Extensions.ARB_occlusion_query2 && ctx->Extensions.ARB_shader_bit_encoding && ctx->Extensions.ARB_texture_rgb10_a2ui && ctx->Extensions.ARB_timer_query && ctx->Extensions.ARB_vertex_type_2_10_10_10_rev && ctx->Extensions.EXT_texture_swizzle); /* ARB_sampler_objects is always enabled in mesa */ if (ver_3_3) { major = 3; minor = 3; } else if (ver_3_2) { major = 3; minor = 2; } else if (ver_3_1) { major = 3; minor = 1; } else if (ver_3_0) { major = 3; minor = 0; } else if (ver_2_1) { major = 2; minor = 1; } else if (ver_2_0) { major = 2; minor = 0; } else if (ver_1_5) { major = 1; minor = 5; } else if (ver_1_4) { major = 1; minor = 4; } else if (ver_1_3) { major = 1; minor = 3; } else { major = 1; minor = 2; } ctx->Version = major * 10 + minor; create_version_string(ctx, ""); }