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Added support for AMD PowerXpress override.
Generalized _GLFW_USE_OPTIMUS_HPG to _GLFW_USE_HYBRID_HPG to reflect the change. Fixes #520.
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@ -26,7 +26,7 @@ option(GLFW_INSTALL "Generate installation target" ON)
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option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
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if (WIN32)
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option(GLFW_USE_OPTIMUS_HPG "Force use of high-performance GPU on Optimus systems" OFF)
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option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF)
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endif()
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if (APPLE)
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@ -235,8 +235,8 @@ if (_GLFW_WIN32)
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list(APPEND glfw_PKG_LIBS "-lgdi32")
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if (GLFW_USE_OPTIMUS_HPG)
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set(_GLFW_USE_OPTIMUS_HPG 1)
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if (GLFW_USE_HYBRID_HPG)
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set(_GLFW_USE_HYBRID_HPG 1)
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endif()
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endif()
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@ -63,6 +63,8 @@ GLFW bundles a number of dependencies in the `deps/` directory.
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## Changelog
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- Minimum required CMake version updated to 2.8.12
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- Renamed hybrid GPU override compile-time option to `_GLFW_USE_HYBRID_HPG` and
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added support for AMD PowerXpress systems
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- Bugfix: Initialization failed on headless systems
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- Bugfix: The cached current context could get out of sync
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- [Cocoa] Bugfix: The cached `NSScreen` for a monitor could get out of sync
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@ -221,11 +221,11 @@ DLL version of the Visual C++ library is used. It is recommended to set this to
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`ON`, as this keeps the executable smaller and benefits from security and bug
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fix updates of the Visual C++ runtime.
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`GLFW_USE_OPTIMUS_HPG` determines whether to export the `NvOptimusEnablement`
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symbol, which forces the use of the high-performance GPU on Nvidia Optimus
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systems. This symbol needs to be exported by the EXE to be detected by the
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driver, so the override will not work if GLFW is built as a DLL. See _Enabling
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High Performance Graphics Rendering on Optimus Systems_ for more details.
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`GLFW_USE_HYBRID_HPG` determines whether to export the `NvOptimusEnablement` and
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`AmdPowerXpressRequestHighPerformance` symbols, which force the use of the
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high-performance GPU on Nvidia Optimus and AMD PowerXpress systems. These symbols
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need to be exported by the EXE to be detected by the driver, so the override
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will not work if GLFW is built as a DLL.
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@subsubsection compile_options_egl EGL specific CMake options
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@ -57,8 +57,8 @@
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// Define this to 1 if building as a shared library / dynamic library / DLL
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#cmakedefine _GLFW_BUILD_DLL
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// Define this to 1 to force use of high-performance GPU on Optimus systems
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#cmakedefine _GLFW_USE_OPTIMUS_HPG
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// Define this to 1 to force use of high-performance GPU on hybrid systems
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#cmakedefine _GLFW_USE_HYBRID_HPG
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// Define this to 1 if the XInput X11 extension is available
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#cmakedefine _GLFW_HAS_XINPUT
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@ -31,14 +31,21 @@
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#include <malloc.h>
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#if defined(_GLFW_USE_OPTIMUS_HPG)
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#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG)
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// Applications exporting this symbol with this value will be automatically
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// directed to the high-performance GPU on Nvidia Optimus systems
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// directed to the high-performance GPU on Nvidia Optimus systems with
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// up-to-date drivers
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//
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__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
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__declspec(dllexport) DWORD NvOptimusEnablement = 1;
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#endif // _GLFW_USE_OPTIMUS_HPG
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// Applications exporting this symbol with this value will be automatically
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// directed to the high-performance GPU on AMD PowerXpress systems with
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// up-to-date drivers
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//
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__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
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#endif // _GLFW_USE_HYBRID_HPG
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#if defined(_GLFW_BUILD_DLL)
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