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0028466: Visualization, OpenGl_Context - read GPU memory using WGL_AMD_gpu_association extension

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This commit is contained in:
kgv 2017-02-17 00:24:17 +03:00 committed by bugmaster
parent e525fd6ad2
commit 2eacd0b872
2 changed files with 43 additions and 0 deletions
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21
src/OpenGl/OpenGl_Context.cxx
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@ -1350,6 +1350,12 @@ void OpenGl_Context::init (const Standard_Boolean theIsCoreProfile)
FindProcShort (wglDXLockObjectsNV);
FindProcShort (wglDXUnlockObjectsNV);
}
if (CheckExtension (aWglExts, "WGL_AMD_gpu_association"))
{
FindProcShort (wglGetGPUIDsAMD);
FindProcShort (wglGetGPUInfoAMD);
FindProcShort (wglGetContextGPUIDAMD);
}
}
#elif defined(__APPLE__)
//
@ -2560,6 +2566,21 @@ void OpenGl_Context::MemoryInfo (TColStd_IndexedDataMapOfStringString& theDict)
addInfo (theDict, "Total memory", TCollection_AsciiString() + (aValue / 1024) + " MiB");
}
}
#if defined(_WIN32)
else if (myFuncs->wglGetGPUInfoAMD != NULL
&& myFuncs->wglGetContextGPUIDAMD != NULL)
{
GLuint aTotalMemMiB = 0;
UINT anAmdId = myFuncs->wglGetContextGPUIDAMD ((HGLRC )myGContext);
if (anAmdId != 0)
{
if (myFuncs->wglGetGPUInfoAMD (anAmdId, WGL_GPU_RAM_AMD, GL_UNSIGNED_INT, sizeof(aTotalMemMiB), &aTotalMemMiB) > 0)
{
addInfo (theDict, "GPU memory", TCollection_AsciiString() + (int )aTotalMemMiB + " MiB");
}
}
}
#endif
#endif
#if !defined(GL_ES_VERSION_2_0) && !defined(__APPLE__) && !defined(_WIN32)

22
src/OpenGl/OpenGl_GlFunctions.hxx
View File

@ -1641,6 +1641,28 @@ public: //! @name wgl extensions
#define WGL_ACCESS_WRITE_DISCARD_NV 0x0002
#endif
// WGL_AMD_gpu_association
#ifndef WGL_GPU_VENDOR_AMD
#define WGL_GPU_VENDOR_AMD 0x1F00
#define WGL_GPU_RENDERER_STRING_AMD 0x1F01
#define WGL_GPU_OPENGL_VERSION_STRING_AMD 0x1F02
#define WGL_GPU_FASTEST_TARGET_GPUS_AMD 0x21A2
#define WGL_GPU_RAM_AMD 0x21A3
#define WGL_GPU_CLOCK_AMD 0x21A4
#define WGL_GPU_NUM_PIPES_AMD 0x21A5
#define WGL_GPU_NUM_SIMD_AMD 0x21A6
#define WGL_GPU_NUM_RB_AMD 0x21A7
#define WGL_GPU_NUM_SPI_AMD 0x21A8
#endif
typedef UINT (WINAPI *wglGetGPUIDsAMD_t )(UINT theMaxCount, UINT* theIds);
typedef INT (WINAPI *wglGetGPUInfoAMD_t )(UINT theId, INT theProperty, GLenum theDataType, UINT theSize, void* theData);
typedef UINT (WINAPI *wglGetContextGPUIDAMD_t )(HGLRC theHglrc);
wglGetGPUIDsAMD_t wglGetGPUIDsAMD;
wglGetGPUInfoAMD_t wglGetGPUInfoAMD;
wglGetContextGPUIDAMD_t wglGetContextGPUIDAMD;
#elif defined(__APPLE__)
public: //! @name CGL extensions