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//-----------------------------------------------------------------------------
// Name: mac_hardware_info.cpp
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#include <Compat/hardware_info.h>
#include <Memory/allocation.h>
#include <opengl.h>
#include <string>
unsigned GetDriverVersion(GLVendor vendor) {
//Mac driver versions are at the end of the GL_VERSION string, e.g.:
//"2.1 NVIDIA-1.6.6"
std::string driver_string = (const char*)glGetString(GL_VERSION);
//Remove everything before dash
unsigned final_dash_index = driver_string.rfind('-');
driver_string = driver_string.substr(final_dash_index+1);
//Remove dots
driver_string.erase(
std::remove(driver_string.begin(), driver_string.end(), '.'),
driver_string.end());
//Convert remaining string into unsigned int and return
unsigned driver_version = atoi(driver_string.c_str());
return driver_version;
}
#include <ApplicationServices/ApplicationServices.h>
#include <IOKit/IOKitLib.h>
int vramSize(long** vsArray)
{
CGError err = CGDisplayNoErr;
unsigned int i = 0;
io_service_t *dspPorts = NULL;
CGDirectDisplayID *displays = NULL;
CGDisplayCount dspCount = 0;
CFTypeRef typeCode;
// How many active displays do we have?
err = CGGetActiveDisplayList(0, NULL, &dspCount);
// Allocate enough memory to hold all the display IDs we have
displays = (CGDirectDisplayID*)calloc((size_t)dspCount, sizeof(CGDirectDisplayID));
// Allocate enough memory for the number of displays we're asking about
*vsArray = (long int*)calloc((size_t)dspCount, sizeof(long));
// Allocate memory for our service ports
dspPorts = (io_service_t*)calloc((size_t)dspCount, sizeof(io_service_t));
// Get the list of active displays
err = CGGetActiveDisplayList(dspCount,
displays,
&dspCount);
// Now we iterate through them
for(i = 0; i < dspCount; i++)
{
// Get the service port for the display
dspPorts[i] = CGDisplayIOServicePort(displays[i]);
// Ask IOKit for the VRAM size property
typeCode = IORegistryEntryCreateCFProperty(dspPorts[i],
CFSTR(kIOFBMemorySizeKey),
kCFAllocatorDefault,
kNilOptions);
// Ensure we have valid data from IOKit
if(typeCode && CFGetTypeID(typeCode) == CFNumberGetTypeID())
{
// If so, convert the CFNumber into a plain unsigned long
CFNumberGetValue((const __CFNumber*)typeCode, kCFNumberSInt32Type, vsArray[i]);
if(typeCode)
CFRelease(typeCode);
}
}
OG_FREE(dspPorts);
// Return the total number of displays we found
return (int)dspCount;
}
long MACOS_GetVramSize( int displayNumber )
{
long displaySize = -1;
long *vramArray;
int dispCount = vramSize(&vramArray);
if(displayNumber < dispCount && displayNumber >= 0) {
displaySize = vramArray[displayNumber];
}
OG_FREE(vramArray);
return displaySize;
}
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