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Merge pull request #11964 from SamGondelman/memFix

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Remove unneeded getDedicatedMemory
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Sam Gondelman 2017-12-12 14:43:15 -08:00 committed by GitHub
commit e5a4f077c9
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3 changed files with 0 additions and 52 deletions
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4
libraries/gpu-gl/src/gpu/gl/GLBackend.cpp
View file

@ -40,10 +40,6 @@ static bool disableOpenGL45 = QProcessEnvironment::systemEnvironment().contains(
static GLBackend* INSTANCE{ nullptr };
BackendPointer GLBackend::createBackend() {
// The ATI memory info extension only exposes 'free memory' so we want to force it to
// cache the value as early as possible
getDedicatedMemory();
// FIXME provide a mechanism to override the backend for testing
// Where the gpuContext is initialized and where the TRUE Backend is created and assigned
auto version = QOpenGLContextWrapper::currentContextVersion();

47
libraries/gpu-gl/src/gpu/gl/GLShared.cpp
View file

@ -88,53 +88,6 @@ gpu::Size getFreeDedicatedMemory() {
return result;
}
gpu::Size getDedicatedMemory() {
static Size dedicatedMemory { 0 };
static std::once_flag once;
std::call_once(once, [&] {
#ifdef Q_OS_WIN
if (!dedicatedMemory && wglGetGPUIDsAMD && wglGetGPUInfoAMD) {
UINT maxCount = wglGetGPUIDsAMD(0, 0);
std::vector<UINT> ids;
ids.resize(maxCount);
wglGetGPUIDsAMD(maxCount, &ids[0]);
GLuint memTotal;
wglGetGPUInfoAMD(ids[0], WGL_GPU_RAM_AMD, GL_UNSIGNED_INT, sizeof(GLuint), &memTotal);
dedicatedMemory = MB_TO_BYTES(memTotal);
}
#endif
if (!dedicatedMemory) {
GLint atiGpuMemory[4];
// not really total memory, but close enough if called early enough in the application lifecycle
glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, atiGpuMemory);
if (GL_NO_ERROR == glGetError()) {
dedicatedMemory = KB_TO_BYTES(atiGpuMemory[0]);
}
}
if (!dedicatedMemory) {
GLint nvGpuMemory { 0 };
glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &nvGpuMemory);
if (GL_NO_ERROR == glGetError()) {
dedicatedMemory = KB_TO_BYTES(nvGpuMemory);
}
}
if (!dedicatedMemory) {
auto gpuIdent = GPUIdent::getInstance();
if (gpuIdent && gpuIdent->isValid()) {
dedicatedMemory = MB_TO_BYTES(gpuIdent->getMemory());
}
}
});
return dedicatedMemory;
}
ComparisonFunction comparisonFuncFromGL(GLenum func) {
if (func == GL_NEVER) {
return NEVER;

1
libraries/gpu-gl/src/gpu/gl/GLShared.h
View file

@ -28,7 +28,6 @@ void serverWait();
// Create a fence and synchronously wait on the fence
void clientWait();
gpu::Size getDedicatedMemory();
gpu::Size getFreeDedicatedMemory();
ComparisonFunction comparisonFuncFromGL(GLenum func);
State::StencilOp stencilOpFromGL(GLenum stencilOp);