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Diffstat (limited to 'source/blender/gpu/opengl/gl_backend.cc')
-rw-r--r-- | source/blender/gpu/opengl/gl_backend.cc | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/source/blender/gpu/opengl/gl_backend.cc b/source/blender/gpu/opengl/gl_backend.cc new file mode 100644 index 00000000000..d44bb9ba481 --- /dev/null +++ b/source/blender/gpu/opengl/gl_backend.cc @@ -0,0 +1,135 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright 2020, Blender Foundation. + * All rights reserved. + */ + +/** \file + * \ingroup gpu + */ + +#include "gpu_platform_private.hh" + +#include "glew-mx.h" + +#include "gl_backend.hh" + +namespace blender::gpu { + +void GLBackend::platform_init(void) +{ + BLI_assert(!GPG.initialized); + GPG.initialized = true; + +#ifdef _WIN32 + GPG.os = GPU_OS_WIN; +#elif defined(__APPLE__) + GPG.os = GPU_OS_MAC; +#else + GPG.os = GPU_OS_UNIX; +#endif + + const char *vendor = (const char *)glGetString(GL_VENDOR); + const char *renderer = (const char *)glGetString(GL_RENDERER); + const char *version = (const char *)glGetString(GL_VERSION); + + if (strstr(vendor, "ATI") || strstr(vendor, "AMD")) { + GPG.device = GPU_DEVICE_ATI; + GPG.driver = GPU_DRIVER_OFFICIAL; + } + else if (strstr(vendor, "NVIDIA")) { + GPG.device = GPU_DEVICE_NVIDIA; + GPG.driver = GPU_DRIVER_OFFICIAL; + } + else if (strstr(vendor, "Intel") || + /* src/mesa/drivers/dri/intel/intel_context.c */ + strstr(renderer, "Mesa DRI Intel") || strstr(renderer, "Mesa DRI Mobile Intel")) { + GPG.device = GPU_DEVICE_INTEL; + GPG.driver = GPU_DRIVER_OFFICIAL; + + if (strstr(renderer, "UHD Graphics") || + /* Not UHD but affected by the same bugs. */ + strstr(renderer, "HD Graphics 530") || strstr(renderer, "Kaby Lake GT2") || + strstr(renderer, "Whiskey Lake")) { + GPG.device |= GPU_DEVICE_INTEL_UHD; + } + } + else if ((strstr(renderer, "Mesa DRI R")) || + (strstr(renderer, "Radeon") && strstr(vendor, "X.Org")) || + (strstr(renderer, "AMD") && strstr(vendor, "X.Org")) || + (strstr(renderer, "Gallium ") && strstr(renderer, " on ATI ")) || + (strstr(renderer, "Gallium ") && strstr(renderer, " on AMD "))) { + GPG.device = GPU_DEVICE_ATI; + GPG.driver = GPU_DRIVER_OPENSOURCE; + } + else if (strstr(renderer, "Nouveau") || strstr(vendor, "nouveau")) { + GPG.device = GPU_DEVICE_NVIDIA; + GPG.driver = GPU_DRIVER_OPENSOURCE; + } + else if (strstr(vendor, "Mesa")) { + GPG.device = GPU_DEVICE_SOFTWARE; + GPG.driver = GPU_DRIVER_SOFTWARE; + } + else if (strstr(vendor, "Microsoft")) { + GPG.device = GPU_DEVICE_SOFTWARE; + GPG.driver = GPU_DRIVER_SOFTWARE; + } + else if (strstr(renderer, "Apple Software Renderer")) { + GPG.device = GPU_DEVICE_SOFTWARE; + GPG.driver = GPU_DRIVER_SOFTWARE; + } + else if (strstr(renderer, "llvmpipe") || strstr(renderer, "softpipe")) { + GPG.device = GPU_DEVICE_SOFTWARE; + GPG.driver = GPU_DRIVER_SOFTWARE; + } + else { + printf("Warning: Could not find a matching GPU name. Things may not behave as expected.\n"); + printf("Detected OpenGL configuration:\n"); + printf("Vendor: %s\n", vendor); + printf("Renderer: %s\n", renderer); + GPG.device = GPU_DEVICE_ANY; + GPG.driver = GPU_DRIVER_ANY; + } + + /* Detect support level */ + if (!GLEW_VERSION_3_3) { + GPG.support_level = GPU_SUPPORT_LEVEL_UNSUPPORTED; + } + else { + if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_WIN, GPU_DRIVER_ANY)) { + /* Old Intel drivers with known bugs that cause material properties to crash. + * Version Build 10.18.14.5067 is the latest available and appears to be working + * ok with our workarounds, so excluded from this list. */ + if (strstr(version, "Build 7.14") || strstr(version, "Build 7.15") || + strstr(version, "Build 8.15") || strstr(version, "Build 9.17") || + strstr(version, "Build 9.18") || strstr(version, "Build 10.18.10.3") || + strstr(version, "Build 10.18.10.4") || strstr(version, "Build 10.18.10.5") || + strstr(version, "Build 10.18.14.4")) { + GPG.support_level = GPU_SUPPORT_LEVEL_LIMITED; + } + } + } + GPG.create_key(GPG.support_level, vendor, renderer, version); + GPG.create_gpu_name(vendor, renderer, version); +} + +void GLBackend::platform_exit(void) +{ + BLI_assert(GPG.initialized); + GPG.clear(); +} + +} // namespace blender::gpu
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