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renderer: detect OpenGL hardware and driver vendor
Detect OpenGL hardware and driver vendor. Start to reuse this information.
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| /* | ||
| =========================================================================== | ||
| Daemon BSD Source Code | ||
| Copyright (c) 2024 Daemon Developers | ||
| All rights reserved. | ||
| This file is part of the Daemon BSD Source Code (Daemon Source Code). | ||
| Redistribution and use in source and binary forms, with or without | ||
| modification, are permitted provided that the following conditions are met: | ||
| * Redistributions of source code must retain the above copyright | ||
| notice, this list of conditions and the following disclaimer. | ||
| * Redistributions in binary form must reproduce the above copyright | ||
| notice, this list of conditions and the following disclaimer in the | ||
| documentation and/or other materials provided with the distribution. | ||
| * Neither the name of the Daemon developers nor the | ||
| names of its contributors may be used to endorse or promote products | ||
| derived from this software without specific prior written permission. | ||
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| DISCLAIMED. IN NO EVENT SHALL DAEMON DEVELOPERS BE LIABLE FOR ANY | ||
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| =========================================================================== | ||
| */ | ||
|
|
||
| // DetectGLVendors.h | ||
|
|
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| #ifndef __DETECT_OPENGL_VENDORS | ||
| #define __DETECT_OPENGL_VENDORS | ||
|
|
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| #include "common/Common.h" | ||
|
|
||
| enum class glHardwareVendor_t | ||
| { | ||
| UNKNOWN, | ||
| // Assumed to be slow (running on CPU). | ||
| SOFTWARE, | ||
| /* Assumed to be fast (running on GPU through a translation, like an OpenGL over Vulkan | ||
| driver, or an OpenGL virtualization driver sending commands to an hypervisor. */ | ||
| TRANSLATION, | ||
| // Assumed to be fast (running on GPU directly). | ||
| ATI, | ||
| BROADCOM, | ||
| INTEL, | ||
| NVIDIA, | ||
| END, | ||
| }; | ||
|
|
||
| inline std::string GetGLHardwareVendorName( glHardwareVendor_t hardwareVendor ) | ||
| { | ||
| ASSERT( hardwareVendor >= glHardwareVendor_t::UNKNOWN && hardwareVendor < glHardwareVendor_t::END ); | ||
|
|
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| static const std::string hardwareVendorNames[] = { | ||
| "Unknown", | ||
| "Software rasterizer", | ||
| "Translator", | ||
| "AMD/ATI", | ||
| "Broadcom", | ||
| "Intel", | ||
| "Nvidia", | ||
| }; | ||
|
|
||
| return hardwareVendorNames[ Util::ordinal(hardwareVendor) ]; | ||
| } | ||
|
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||
| enum class glDriverVendor_t | ||
| { | ||
| UNKNOWN, | ||
| MESA, | ||
| ATI, | ||
| INTEL, | ||
| NVIDIA, | ||
| END, | ||
| }; | ||
|
|
||
| inline std::string GetGLDriverVendorName( glDriverVendor_t driverVendor ) | ||
| { | ||
| ASSERT( driverVendor >= glDriverVendor_t::UNKNOWN && driverVendor < glDriverVendor_t::END ); | ||
|
|
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| static const std::string driverVendorNames[] = { | ||
| "Unknown", | ||
| "Mesa", | ||
| "AMD/ATI", | ||
| "Intel", | ||
| "Nvidia", | ||
| }; | ||
|
|
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| return driverVendorNames[ Util::ordinal(driverVendor) ]; | ||
| } | ||
|
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| inline void DetectGLVendors( | ||
| const std::string& vendor_string, | ||
| const std::string& version_string, | ||
| const std::string& renderer_string, | ||
| glHardwareVendor_t& hardwareVendor, | ||
| glDriverVendor_t& driverVendor ) | ||
| { | ||
| hardwareVendor = glHardwareVendor_t::UNKNOWN; | ||
| driverVendor = glDriverVendor_t::UNKNOWN; | ||
|
|
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| using vendorDriverHardware_t = std::unordered_map<std::string, std::pair<glDriverVendor_t, glHardwareVendor_t>>; | ||
|
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| // Those vendor strings are assumed to be unambiguous about both driver and hardware vendors. | ||
| static const vendorDriverHardware_t vendorDriverHardware = { | ||
| // Mesa AMD/ATI. | ||
| { "AMD", { glDriverVendor_t::MESA, glHardwareVendor_t::ATI } }, | ||
| { "AMD inc.", { glDriverVendor_t::MESA, glHardwareVendor_t::ATI } }, | ||
| { "X.Org R300 Project", { glDriverVendor_t::MESA, glHardwareVendor_t::ATI } }, | ||
| // Proprietary ATI or AMD drivers on all systems like Linux, Windows, and macOS: OGLP, Catalyst… | ||
| { "ATI Technologies Inc.", { glDriverVendor_t::ATI, glHardwareVendor_t::ATI } }, | ||
| // Proprietary Intel driver on macOS. | ||
| { "Intel Inc.", { glDriverVendor_t::INTEL, glHardwareVendor_t::INTEL } }, | ||
| // Mesa Intel. | ||
| { "Intel Open Source Technology Center", { glDriverVendor_t::MESA, glHardwareVendor_t::INTEL } }, | ||
| { "Tungsten Graphics, Inc", { glDriverVendor_t::MESA, glHardwareVendor_t::INTEL } }, | ||
| // Mesa V3D and VC4 (Raspberry Pi). | ||
| { "Broadcom", { glDriverVendor_t::MESA, glHardwareVendor_t::BROADCOM } }, | ||
| // Mesa Nvidia for supported OpenGL 2+ hardware. | ||
| { "nouveau", { glDriverVendor_t::MESA, glHardwareVendor_t::NVIDIA } }, | ||
| // Proprietary Nvidia drivers on all systems like Linux, Windows, and macOS. | ||
| { "NVIDIA Corporation", { glDriverVendor_t::NVIDIA, glHardwareVendor_t::NVIDIA } }, | ||
| // Mesa Amber also provides "Nouveau", but this is for unsupported pre-OpenGL 2 Nvidia. | ||
| }; | ||
|
|
||
| if ( vendorDriverHardware.count( vendor_string ) ) | ||
| { | ||
| auto& p = vendorDriverHardware.at( vendor_string ); | ||
| driverVendor = p.first; | ||
| hardwareVendor = p.second; | ||
| return; | ||
| } | ||
|
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||
| // This vendor string is used by at least two different Intel drivers. | ||
| if ( vendor_string == "Intel Corporation" ) | ||
| { | ||
| // https://stackoverflow.com/a/40441240/9131399 | ||
| if ( renderer_string.rfind( "SWR ", 0 ) == 0) | ||
| { | ||
| /* It is part of Mesa Amber, but was merged in Mesa lately after being an internal | ||
| Intel product for years. It doesn't share much things with Mesa, and we better | ||
| not assume it behaves the same as Mesa, it may even behave like Intel. | ||
| We keep driverVendor as glDriverVendor_t::UNKNOWN on purpose. */ | ||
| hardwareVendor = glHardwareVendor_t::SOFTWARE; | ||
| return; | ||
| } | ||
| else | ||
| { | ||
| driverVendor = glDriverVendor_t::MESA; | ||
| hardwareVendor = glHardwareVendor_t::INTEL; | ||
| return; | ||
| } | ||
| } | ||
|
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||
| // This vendor string is used by at least two different Microsoft drivers. | ||
| if ( vendor_string == "Microsoft Corporation" ) | ||
| { | ||
| /* The GL_VENDOR string can also be "Microsoft Corporation" with GL_RENDERER | ||
| set to "GDI Generic" which is not Mesa and isn't supported (OpenGL 1.1). */ | ||
| if ( renderer_string.rfind( "D3D12 ", 0 ) == 0 ) | ||
| { | ||
| driverVendor = glDriverVendor_t::MESA; | ||
| // OpenGL over Direct3D12 translation. | ||
| hardwareVendor = glHardwareVendor_t::TRANSLATION; | ||
| return; | ||
| } | ||
| } | ||
|
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||
| /* Those substrings at the beginning of a renderer string are assumed to be unambiguous about | ||
| both driver and hardware. */ | ||
| static const std::pair<std::string, glHardwareVendor_t> rendererMesaStartStringHardware[] = { | ||
| // "Mesa DRI R200" exists for ATI but isn't supported. | ||
| { "Mesa DRI nv", glHardwareVendor_t::NVIDIA }, | ||
| { "Mesa DRI Intel(R)", glHardwareVendor_t::INTEL }, | ||
| }; | ||
|
|
||
| for ( auto& p : rendererMesaStartStringHardware ) | ||
| { | ||
| if ( renderer_string.rfind( p.first, 0 ) == 0 ) | ||
| { | ||
| driverVendor = glDriverVendor_t::MESA; | ||
| hardwareVendor = p.second; | ||
| return; | ||
| } | ||
| } | ||
|
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||
| // Those vendor strings are assumed to be unambiguous about being from Mesa drivers. | ||
| static const std::string mesaVendors[] = { | ||
| "Mesa", | ||
| "Mesa Project", | ||
| "Mesa/X.org", | ||
| "X.Org", | ||
| // Zink. | ||
| "Collabora Ltd", | ||
| // virgl. | ||
| "Red Hat", | ||
| // llvmpipe, softpipe, SVGA3D. | ||
| "VMware, Inc.", | ||
| }; | ||
|
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||
| for ( auto& s : mesaVendors ) | ||
| { | ||
| if ( vendor_string == s ) | ||
| { | ||
| driverVendor = glDriverVendor_t::MESA; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| /* This substring in a version string is assumed to be unambiguous about being from Mesa | ||
| drivers. Mesa GL_VENDOR and GL_RENDERER strings are very fluid, but it is believed that | ||
| GL_VERSION always contains the " Mesa " substring and that substring always means Mesa. */ | ||
| if ( driverVendor == glDriverVendor_t::UNKNOWN && version_string.find( " Mesa " ) != std::string::npos ) | ||
| { | ||
| driverVendor = glDriverVendor_t::MESA; | ||
| } | ||
|
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||
| if ( driverVendor == glDriverVendor_t::MESA ) | ||
| { | ||
| // This vendor string for a Mesa driver is assumed to be unambiguous about the hardware. | ||
| if ( vendor_string == "Intel" ) | ||
| { | ||
| hardwareVendor = glHardwareVendor_t::INTEL; | ||
| return; | ||
| } | ||
|
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| /* Those substrings at the beginning of a renderer string are assumed to be unambiguous about | ||
| the hardware or underlying technology. */ | ||
| static const std::pair<std::string, glHardwareVendor_t> rendererStartStringHardware[] = { | ||
| { "ATI ", glHardwareVendor_t::ATI }, | ||
| { "AMD ", glHardwareVendor_t::ATI }, | ||
| { "NV", glHardwareVendor_t::NVIDIA }, | ||
| { "i915 ", glHardwareVendor_t::INTEL }, | ||
| // OpenGL over Vulkan translation. | ||
| { "zink ", glHardwareVendor_t::TRANSLATION }, | ||
| // Virtualization. | ||
| { "virgl", glHardwareVendor_t::TRANSLATION }, | ||
| }; | ||
|
|
||
| for ( auto& p : rendererStartStringHardware ) | ||
| { | ||
| if ( renderer_string.rfind( p.first, 0 ) == 0 ) | ||
| { | ||
| hardwareVendor = p.second; | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| /* Those substrings within a renderer string are assumed to be unambiguous about | ||
| the underlying technology. */ | ||
| static const std::pair<std::string, glHardwareVendor_t> rendererSubStringHardware[] = { | ||
| { "llvmpipe", glHardwareVendor_t::SOFTWARE }, | ||
| { "softpipe", glHardwareVendor_t::SOFTWARE }, | ||
| // Virtualization. | ||
| { "SVGA3D", glHardwareVendor_t::TRANSLATION }, | ||
| }; | ||
|
|
||
| for ( auto& p : rendererSubStringHardware ) | ||
| { | ||
| if ( renderer_string.find( p.first ) != std::string::npos ) | ||
| { | ||
| hardwareVendor = p.second; | ||
| return; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /* As both proprietary Intel driver on Windows and Mesa may report "Intel", | ||
| we rely on the fact Mesa is already detected to know it is the proprietary | ||
| Windows driver if not Mesa. */ | ||
| if ( vendor_string == "Intel" ) | ||
| { | ||
| driverVendor = glDriverVendor_t::INTEL; | ||
| hardwareVendor = glHardwareVendor_t::INTEL; | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| #endif // __DETECT_OPENGL_VENDORS |
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