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Changed: Detect available video memory with OpenGL extensions

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This commit is contained in:
kervala 2014-03-26 14:34:07 +01:00
parent d7f7523bdf
commit 654583807c
2 changed files with 98 additions and 0 deletions
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80
code/nel/src/3d/driver/opengl/driver_opengl_extension.cpp
View file

@ -1474,6 +1474,22 @@ static bool setupPackedDepthStencil(const char *glext)
return true;
}
// ***************************************************************************
static bool setupNVXGPUMemoryInfo(const char *glext)
{
H_AUTO_OGL(setupNVXGPUMemoryInfo);
CHECK_EXT("GL_NVX_gpu_memory_info");
return true;
}
// ***************************************************************************
static bool setupATIMeminfo(const char *glext)
{
H_AUTO_OGL(setupATIMeminfo);
CHECK_EXT("GL_ATI_meminfo");
return true;
}
// ***************************************************************************
// Extension Check.
void registerGlExtensions(CGlExtensions &ext)
@ -1689,6 +1705,35 @@ void registerGlExtensions(CGlExtensions &ext)
ext.ATIMapObjectBuffer = false;
ext.ATIVertexAttribArrayObject = false;
}
#ifndef USE_OPENGLES
ext.NVXGPUMemoryInfo = setupNVXGPUMemoryInfo(glext);
if (ext.NVXGPUMemoryInfo)
{
// GPU_MEMORY_INFO_EVICTION_COUNT_NVX;
// GPU_MEMORY_INFO_EVICTED_MEMORY_NVX;
GLint nDedicatedMemoryInKB = 0;
glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &nDedicatedMemoryInKB);
GLint nTotalMemoryInKB = 0;
glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &nTotalMemoryInKB);
GLint nCurAvailMemoryInKB = 0;
glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &nCurAvailMemoryInKB);
nlinfo("Memory: total: %d available: %d dedicated: %d", nTotalMemoryInKB, nCurAvailMemoryInKB, nDedicatedMemoryInKB);
}
ext.ATIMeminfo = setupATIMeminfo(glext);
if (ext.ATIMeminfo)
{
GLint nCurAvailMemoryInKB = 0;
glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, &nCurAvailMemoryInKB);
}
#endif
}
@ -1708,6 +1753,27 @@ static bool setupWGLEXTSwapControl(const char *glext)
return true;
}
// ***************************************************************************
static bool setupWGLAMDGPUAssociation(const char *glext)
{
H_AUTO_OGL(setupWGLAMDGPUAssociation);
CHECK_EXT("WGL_AMD_gpu_association");
#if !defined(USE_OPENGLES) && defined(NL_OS_WINDOWS)
CHECK_ADDRESS(PFNWGLGETGPUIDSAMDPROC, wglGetGPUIDsAMD);
CHECK_ADDRESS(PFNWGLGETGPUINFOAMDPROC, wglGetGPUInfoAMD);
CHECK_ADDRESS(PFNWGLGETCONTEXTGPUIDAMDPROC, wglGetContextGPUIDAMD);
CHECK_ADDRESS(PFNWGLCREATEASSOCIATEDCONTEXTAMDPROC, wglCreateAssociatedContextAMD);
CHECK_ADDRESS(PFNWGLCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC, wglCreateAssociatedContextAttribsAMD);
CHECK_ADDRESS(PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC, wglDeleteAssociatedContextAMD);
CHECK_ADDRESS(PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC, wglMakeAssociatedContextCurrentAMD);
CHECK_ADDRESS(PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC, wglGetCurrentAssociatedContextAMD);
CHECK_ADDRESS(PFNWGLBLITCONTEXTFRAMEBUFFERAMDPROC, wglBlitContextFramebufferAMD);
#endif
return true;
}
// *********************************
static bool setupGLXEXTSwapControl(const char *glext)
{
@ -1820,6 +1886,20 @@ bool registerWGlExtensions(CGlExtensions &ext, HDC hDC)
// Check for swap control
ext.WGLEXTSwapControl= setupWGLEXTSwapControl(glext);
ext.WGLAMDGPUAssociation = setupWGLAMDGPUAssociation(glext);
if (ext.WGLAMDGPUAssociation)
{
GLuint uNoOfGPUs = nwglGetGPUIDsAMD(0, 0);
GLuint *uGPUIDs = new GLuint[uNoOfGPUs];
nwglGetGPUIDsAMD(uNoOfGPUs, uGPUIDs);
GLuint uTotalMemoryInMB = 0;
nwglGetGPUInfoAMD(uGPUIDs[0], WGL_GPU_RAM_AMD, GL_UNSIGNED_INT, sizeof(GLuint), &uTotalMemoryInMB);
delete [] uGPUIDs;
}
return true;
}
#elif defined(NL_OS_MAC)

18
code/nel/src/3d/driver/opengl/driver_opengl_extension.h
View file

@ -109,6 +109,17 @@ struct CGlExtensions
bool OESDrawTexture;
bool OESMapBuffer;
// extensions to get memory info
// GL_NVX_gpu_memory_info
bool NVXGPUMemoryInfo;
// GL_ATI_meminfo
bool ATIMeminfo;
// WGL_AMD_gpu_association
bool WGLAMDGPUAssociation;
public:
/// \name Disable Hardware feature. False by default. setuped by IDriver
@ -175,6 +186,10 @@ public:
OESDrawTexture = false;
OESMapBuffer = false;
NVXGPUMemoryInfo = false;
ATIMeminfo = false;
WGLAMDGPUAssociation = false;
/// \name Disable Hardware feature. False by default. setuped by IDriver
DisableHardwareVertexProgram= false;
DisableHardwarePixelProgram= false;
@ -224,12 +239,15 @@ public:
result += NVOcclusionQuery ? "NVOcclusionQuery " : "";
result += NVStateVARWithoutFlush ? "NVStateVARWithoutFlush " : "";
result += ARBMultisample ? "ARBMultisample " : "";
result += NVXGPUMemoryInfo ? "NVXGPUMemoryInfo " : "";
result += ATIMeminfo ? "ATIMeminfo " : "";
#ifdef NL_OS_WINDOWS
result += "\n WindowsGL: ";
result += WGLARBPBuffer ? "WGLARBPBuffer " : "";
result += WGLARBPixelFormat ? "WGLARBPixelFormat " : "";
result += WGLEXTSwapControl ? "WGLEXTSwapControl " : "";
result += WGLAMDGPUAssociation ? "WGLAMDGPUAssociation " : "";
#elif defined(NL_OS_MAC)
#elif defined(NL_OS_UNIX)
result += "\n GLX: ";