summaryrefslogtreecommitdiffstats
path: root/vcl/opengl/win
diff options
context:
space:
mode:
Diffstat (limited to 'vcl/opengl/win')
-rw-r--r--vcl/opengl/win/WinDeviceInfo.cxx494
-rw-r--r--vcl/opengl/win/gdiimpl.cxx898
-rw-r--r--vcl/opengl/win/winlayout.cxx60
3 files changed, 1452 insertions, 0 deletions
diff --git a/vcl/opengl/win/WinDeviceInfo.cxx b/vcl/opengl/win/WinDeviceInfo.cxx
new file mode 100644
index 000000000..301c8e74d
--- /dev/null
+++ b/vcl/opengl/win/WinDeviceInfo.cxx
@@ -0,0 +1,494 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <opengl/win/WinDeviceInfo.hxx>
+
+#include <driverblocklist.hxx>
+#include <config_folders.h>
+
+#if !defined WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <objbase.h>
+#include <setupapi.h>
+#include <algorithm>
+#include <cstdint>
+#include <memory>
+
+#include <osl/file.hxx>
+#include <rtl/bootstrap.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <tools/stream.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+#include <desktop/crashreport.hxx>
+
+namespace {
+
+bool GetKeyValue(const WCHAR* keyLocation, const WCHAR* keyName, OUString& destString, int type)
+{
+ HKEY key;
+ DWORD dwcbData;
+ DWORD dValue;
+ DWORD resultType;
+ LONG result;
+ bool retval = true;
+
+ result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyLocation, 0, KEY_QUERY_VALUE, &key);
+ if (result != ERROR_SUCCESS)
+ {
+ return false;
+ }
+
+ switch (type)
+ {
+ case REG_DWORD:
+ {
+ // We only use this for vram size
+ dwcbData = sizeof(dValue);
+ result = RegQueryValueExW(key, keyName, nullptr, &resultType,
+ reinterpret_cast<LPBYTE>(&dValue), &dwcbData);
+ if (result == ERROR_SUCCESS && resultType == REG_DWORD)
+ {
+ dValue = dValue / 1024 / 1024;
+ destString += OUString::number(int32_t(dValue));
+ }
+ else
+ {
+ retval = false;
+ }
+ break;
+ }
+ case REG_MULTI_SZ:
+ {
+ // A chain of null-separated strings; we convert the nulls to spaces
+ WCHAR wCharValue[1024];
+ dwcbData = sizeof(wCharValue);
+
+ result = RegQueryValueExW(key, keyName, nullptr, &resultType,
+ reinterpret_cast<LPBYTE>(wCharValue), &dwcbData);
+ if (result == ERROR_SUCCESS && resultType == REG_MULTI_SZ)
+ {
+ // This bit here could probably be cleaner.
+ bool isValid = false;
+
+ DWORD strLen = dwcbData/sizeof(wCharValue[0]);
+ for (DWORD i = 0; i < strLen; i++)
+ {
+ if (wCharValue[i] == '\0')
+ {
+ if (i < strLen - 1 && wCharValue[i + 1] == '\0')
+ {
+ isValid = true;
+ break;
+ }
+ else
+ {
+ wCharValue[i] = ' ';
+ }
+ }
+ }
+
+ // ensure wCharValue is null terminated
+ wCharValue[strLen-1] = '\0';
+
+ if (isValid)
+ destString = OUString(o3tl::toU(wCharValue));
+
+ }
+ else
+ {
+ retval = false;
+ }
+
+ break;
+ }
+ }
+ RegCloseKey(key);
+
+ return retval;
+}
+
+// The device ID is a string like PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD
+// this function is used to extract the id's out of it
+uint32_t ParseIDFromDeviceID(const OUString &key, const char *prefix, int length)
+{
+ OUString id = key.toAsciiUpperCase();
+ OUString aPrefix = OUString::fromUtf8(prefix);
+ int32_t start = id.indexOf(aPrefix);
+ if (start != -1)
+ {
+ id = id.copy(start + aPrefix.getLength(), length);
+ }
+ return id.toUInt32(16);
+}
+
+/* Other interesting places for info:
+ * IDXGIAdapter::GetDesc()
+ * IDirectDraw7::GetAvailableVidMem()
+ * e->GetAvailableTextureMem()
+ * */
+
+template<typename T> void appendIntegerWithPadding(OUString& rString, T value, sal_uInt32 nChars)
+{
+ rString += "0x";
+ OUString aValue = OUString::number(value, 16);
+ sal_Int32 nLength = aValue.getLength();
+ sal_uInt32 nPadLength = nChars - nLength;
+ assert(nPadLength >= 0);
+ OUStringBuffer aBuffer;
+ for (sal_uInt32 i = 0; i < nPadLength; ++i)
+ {
+ aBuffer.append("0");
+ }
+ rString += aBuffer.makeStringAndClear() + aValue;
+}
+
+#define DEVICE_KEY_PREFIX L"\\Registry\\Machine\\"
+}
+
+WinOpenGLDeviceInfo::WinOpenGLDeviceInfo():
+ mbHasDualGPU(false),
+ mbRDP(false)
+{
+ GetData();
+}
+
+WinOpenGLDeviceInfo::~WinOpenGLDeviceInfo()
+{
+}
+
+static OUString getBlacklistFile()
+{
+ OUString url("$BRAND_BASE_DIR/" LIBO_SHARE_FOLDER);
+ rtl::Bootstrap::expandMacros(url);
+
+ return url + "/opengl/opengl_blacklist_windows.xml";
+}
+
+bool WinOpenGLDeviceInfo::FindBlocklistedDeviceInList()
+{
+ return DriverBlocklist::IsDeviceBlocked( getBlacklistFile(), DriverBlocklist::VersionType::OpenGL,
+ maDriverVersion, maAdapterVendorID, maAdapterDeviceID);
+}
+
+namespace {
+
+OUString getCacheFolder()
+{
+ OUString url("${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("bootstrap") ":UserInstallation}/cache/");
+ rtl::Bootstrap::expandMacros(url);
+
+ osl::Directory::create(url);
+
+ return url;
+}
+
+void writeToLog(SvStream& rStrm, const char* pKey, const OUString & rVal)
+{
+ rStrm.WriteCharPtr(pKey);
+ rStrm.WriteCharPtr(": ");
+ rStrm.WriteOString(OUStringToOString(rVal, RTL_TEXTENCODING_UTF8));
+ rStrm.WriteChar('\n');
+}
+
+}
+
+bool WinOpenGLDeviceInfo::isDeviceBlocked()
+{
+ CrashReporter::addKeyValue("OpenGLVendor", maAdapterVendorID, CrashReporter::AddItem);
+ CrashReporter::addKeyValue("OpenGLDevice", maAdapterDeviceID, CrashReporter::AddItem);
+ CrashReporter::addKeyValue("OpenGLDriver", maDriverVersion, CrashReporter::Write);
+
+ SAL_INFO("vcl.opengl", maDriverVersion);
+ SAL_INFO("vcl.opengl", maDriverDate);
+ SAL_INFO("vcl.opengl", maDeviceID);
+ SAL_INFO("vcl.opengl", maAdapterVendorID);
+ SAL_INFO("vcl.opengl", maAdapterDeviceID);
+ SAL_INFO("vcl.opengl", maAdapterSubsysID);
+ SAL_INFO("vcl.opengl", maDeviceKey);
+ SAL_INFO("vcl.opengl", maDeviceString);
+
+ OUString aCacheFolder = getCacheFolder();
+
+ OUString aCacheFile(aCacheFolder + "/opengl_device.log");
+ SvFileStream aOpenGLLogFile(aCacheFile, StreamMode::WRITE|StreamMode::TRUNC);
+
+ writeToLog(aOpenGLLogFile, "DriverVersion", maDriverVersion);
+ writeToLog(aOpenGLLogFile, "DriverDate", maDriverDate);
+ writeToLog(aOpenGLLogFile, "DeviceID", maDeviceID);
+ writeToLog(aOpenGLLogFile, "AdapterVendorID", maAdapterVendorID);
+ writeToLog(aOpenGLLogFile, "AdapterDeviceID", maAdapterDeviceID);
+ writeToLog(aOpenGLLogFile, "AdapterSubsysID", maAdapterSubsysID);
+ writeToLog(aOpenGLLogFile, "DeviceKey", maDeviceKey);
+ writeToLog(aOpenGLLogFile, "DeviceString", maDeviceString);
+
+ // Check if the device is blocked from the downloaded blocklist. If not, check
+ // the static list after that. This order is used so that we can later escape
+ // out of static blocks (i.e. if we were wrong or something was patched, we
+ // can back out our static block without doing a release).
+ if (mbRDP)
+ {
+ SAL_WARN("vcl.opengl", "all OpenGL blocked for RDP sessions");
+ return true;
+ }
+
+ return FindBlocklistedDeviceInList();
+}
+
+void WinOpenGLDeviceInfo::GetData()
+{
+ DISPLAY_DEVICEW displayDevice;
+ displayDevice.cb = sizeof(displayDevice);
+
+ int deviceIndex = 0;
+
+ while (EnumDisplayDevicesW(nullptr, deviceIndex, &displayDevice, 0))
+ {
+ if (displayDevice.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
+ {
+ break;
+ }
+ deviceIndex++;
+ }
+
+ // make sure the string is null terminated
+ // (using the term "null" here to mean a zero UTF-16 unit)
+ if (wcsnlen(displayDevice.DeviceKey, SAL_N_ELEMENTS(displayDevice.DeviceKey))
+ == SAL_N_ELEMENTS(displayDevice.DeviceKey))
+ {
+ // we did not find a null
+ SAL_WARN("vcl.opengl", "string not null terminated");
+ return;
+ }
+
+ /* DeviceKey is "reserved" according to MSDN so we'll be careful with it */
+ /* check that DeviceKey begins with DEVICE_KEY_PREFIX */
+ /* some systems have a DeviceKey starting with \REGISTRY\Machine\ so we need to compare case insensitively */
+ if (_wcsnicmp(displayDevice.DeviceKey, DEVICE_KEY_PREFIX, SAL_N_ELEMENTS(DEVICE_KEY_PREFIX)-1) != 0)
+ {
+ SAL_WARN("vcl.opengl", "incorrect DeviceKey");
+ return;
+ }
+
+ // chop off DEVICE_KEY_PREFIX
+ maDeviceKey = o3tl::toU(displayDevice.DeviceKey) + SAL_N_ELEMENTS(DEVICE_KEY_PREFIX)-1;
+
+ maDeviceID = o3tl::toU(displayDevice.DeviceID);
+ maDeviceString = o3tl::toU(displayDevice.DeviceString);
+
+ if (maDeviceID.isEmpty() &&
+ (maDeviceString == "RDPDD Chained DD" ||
+ (maDeviceString == "RDPUDD Chained DD")))
+ {
+ // we need to block RDP as it does not provide OpenGL 2.1+
+ mbRDP = true;
+ SAL_WARN("vcl.opengl", "RDP => blocked");
+ return;
+ }
+
+ /* create a device information set composed of the current display device */
+ HDEVINFO devinfo = SetupDiGetClassDevsW(nullptr, o3tl::toW(maDeviceID.getStr()), nullptr,
+ DIGCF_PRESENT | DIGCF_PROFILE | DIGCF_ALLCLASSES);
+
+ if (devinfo != INVALID_HANDLE_VALUE)
+ {
+ HKEY key;
+ LONG result;
+ WCHAR value[255];
+ DWORD dwcbData;
+ SP_DEVINFO_DATA devinfoData;
+ DWORD memberIndex = 0;
+
+ devinfoData.cbSize = sizeof(devinfoData);
+ /* enumerate device information elements in the device information set */
+ while (SetupDiEnumDeviceInfo(devinfo, memberIndex++, &devinfoData))
+ {
+ /* get a string that identifies the device's driver key */
+ if (SetupDiGetDeviceRegistryPropertyW(devinfo,
+ &devinfoData,
+ SPDRP_DRIVER,
+ nullptr,
+ reinterpret_cast<PBYTE>(value),
+ sizeof(value),
+ nullptr))
+ {
+ OUString driverKey(OUStringLiteral("System\\CurrentControlSet\\Control\\Class\\") + o3tl::toU(value));
+ result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, o3tl::toW(driverKey.getStr()), 0, KEY_QUERY_VALUE, &key);
+ if (result == ERROR_SUCCESS)
+ {
+ /* we've found the driver we're looking for */
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"DriverVersion", nullptr, nullptr,
+ reinterpret_cast<LPBYTE>(value), &dwcbData);
+ if (result == ERROR_SUCCESS)
+ {
+ maDriverVersion = OUString(o3tl::toU(value));
+ }
+ else
+ {
+ // If the entry wasn't found, assume the worst (0.0.0.0).
+ maDriverVersion = OUString("0.0.0.0");
+ }
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"DriverDate", nullptr, nullptr,
+ reinterpret_cast<LPBYTE>(value), &dwcbData);
+ if (result == ERROR_SUCCESS)
+ {
+ maDriverDate = o3tl::toU(value);
+ }
+ else
+ {
+ // Again, assume the worst
+ maDriverDate = OUString("01-01-1970");
+ }
+ RegCloseKey(key);
+ break;
+ }
+ }
+ }
+
+ SetupDiDestroyDeviceInfoList(devinfo);
+ }
+ else
+ {
+ SAL_WARN("vcl.opengl", "invalid handle value");
+ }
+
+ appendIntegerWithPadding(maAdapterVendorID, ParseIDFromDeviceID(maDeviceID, "VEN_", 4), 4);
+ appendIntegerWithPadding(maAdapterDeviceID, ParseIDFromDeviceID(maDeviceID, "&DEV_", 4), 4);
+ appendIntegerWithPadding(maAdapterSubsysID, ParseIDFromDeviceID(maDeviceID, "&SUBSYS_", 8), 8);
+
+ // We now check for second display adapter.
+
+ // Device interface class for display adapters.
+ CLSID GUID_DISPLAY_DEVICE_ARRIVAL;
+ HRESULT hresult = CLSIDFromString(L"{1CA05180-A699-450A-9A0C-DE4FBE3DDD89}",
+ &GUID_DISPLAY_DEVICE_ARRIVAL);
+ if (hresult == NOERROR)
+ {
+ devinfo = SetupDiGetClassDevsW(&GUID_DISPLAY_DEVICE_ARRIVAL,
+ nullptr, nullptr,
+ DIGCF_PRESENT | DIGCF_INTERFACEDEVICE);
+
+ if (devinfo != INVALID_HANDLE_VALUE)
+ {
+ HKEY key;
+ LONG result;
+ WCHAR value[255];
+ DWORD dwcbData;
+ SP_DEVINFO_DATA devinfoData;
+ DWORD memberIndex = 0;
+ devinfoData.cbSize = sizeof(devinfoData);
+
+ OUString aAdapterDriver2;
+ OUString aDeviceID2;
+ OUString aDriverVersion2;
+ OUString aDriverDate2;
+ uint32_t adapterVendorID2;
+ uint32_t adapterDeviceID2;
+
+ /* enumerate device information elements in the device information set */
+ while (SetupDiEnumDeviceInfo(devinfo, memberIndex++, &devinfoData))
+ {
+ /* get a string that identifies the device's driver key */
+ if (SetupDiGetDeviceRegistryPropertyW(devinfo,
+ &devinfoData,
+ SPDRP_DRIVER,
+ nullptr,
+ reinterpret_cast<PBYTE>(value),
+ sizeof(value),
+ nullptr))
+ {
+ OUString driverKey2(OUStringLiteral("System\\CurrentControlSet\\Control\\Class\\") + o3tl::toU(value));
+ result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, o3tl::toW(driverKey2.getStr()), 0, KEY_QUERY_VALUE, &key);
+ if (result == ERROR_SUCCESS)
+ {
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"MatchingDeviceId", nullptr,
+ nullptr, reinterpret_cast<LPBYTE>(value), &dwcbData);
+ if (result != ERROR_SUCCESS)
+ {
+ continue;
+ }
+ aDeviceID2 = o3tl::toU(value);
+ OUString aAdapterVendorID2String;
+ OUString aAdapterDeviceID2String;
+ adapterVendorID2 = ParseIDFromDeviceID(aDeviceID2, "VEN_", 4);
+ appendIntegerWithPadding(aAdapterVendorID2String, adapterVendorID2, 4);
+ adapterDeviceID2 = ParseIDFromDeviceID(aDeviceID2, "&DEV_", 4);
+ appendIntegerWithPadding(aAdapterDeviceID2String, adapterDeviceID2, 4);
+ if (maAdapterVendorID == aAdapterVendorID2String &&
+ maAdapterDeviceID == aAdapterDeviceID2String)
+ {
+ RegCloseKey(key);
+ continue;
+ }
+
+ // If this device is missing driver information, it is unlikely to
+ // be a real display adapter.
+ if (!GetKeyValue(o3tl::toW(driverKey2.getStr()), L"InstalledDisplayDrivers",
+ aAdapterDriver2, REG_MULTI_SZ))
+ {
+ RegCloseKey(key);
+ continue;
+ }
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"DriverVersion", nullptr, nullptr,
+ reinterpret_cast<LPBYTE>(value), &dwcbData);
+ if (result != ERROR_SUCCESS)
+ {
+ RegCloseKey(key);
+ continue;
+ }
+ aDriverVersion2 = o3tl::toU(value);
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"DriverDate", nullptr, nullptr,
+ reinterpret_cast<LPBYTE>(value), &dwcbData);
+ if (result != ERROR_SUCCESS)
+ {
+ RegCloseKey(key);
+ continue;
+ }
+ aDriverDate2 = o3tl::toU(value);
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"Device Description", nullptr,
+ nullptr, reinterpret_cast<LPBYTE>(value), &dwcbData);
+ if (result != ERROR_SUCCESS)
+ {
+ dwcbData = sizeof(value);
+ result = RegQueryValueExW(key, L"DriverDesc", nullptr, nullptr,
+ reinterpret_cast<LPBYTE>(value), &dwcbData);
+ }
+ RegCloseKey(key);
+ if (result == ERROR_SUCCESS)
+ {
+ mbHasDualGPU = true;
+ maDeviceString2 = o3tl::toU(value);
+ maDeviceID2 = aDeviceID2;
+ maDeviceKey2 = driverKey2;
+ maDriverVersion2 = aDriverVersion2;
+ maDriverDate2 = aDriverDate2;
+ appendIntegerWithPadding(maAdapterVendorID2, adapterVendorID2, 4);
+ appendIntegerWithPadding(maAdapterDeviceID2, adapterDeviceID2, 4);
+ appendIntegerWithPadding(maAdapterSubsysID2, ParseIDFromDeviceID(maDeviceID2, "&SUBSYS_", 8), 8);
+ break;
+ }
+ }
+ }
+ }
+
+ SetupDiDestroyDeviceInfoList(devinfo);
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/opengl/win/gdiimpl.cxx b/vcl/opengl/win/gdiimpl.cxx
new file mode 100644
index 000000000..eabfe8a09
--- /dev/null
+++ b/vcl/opengl/win/gdiimpl.cxx
@@ -0,0 +1,898 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <memory>
+#include <thread>
+#include <opengl/win/gdiimpl.hxx>
+#include <vcl/opengl/OpenGLHelper.hxx>
+
+#include <sal/log.hxx>
+#include <comphelper/windowserrorstring.hxx>
+#include <opengl/zone.hxx>
+#include <win/wincomp.hxx>
+#include <win/saldata.hxx>
+#include <win/salframe.h>
+#include <win/salinst.h>
+#include <epoxy/wgl.h>
+#include <ControlCacheKey.hxx>
+
+static std::vector<HGLRC> g_vShareList;
+static bool g_bAnyCurrent;
+
+namespace {
+
+class GLWinWindow : public GLWindow
+{
+public:
+ HWND hWnd;
+ HDC hDC;
+ HGLRC hRC;
+ GLWinWindow();
+};
+
+}
+
+GLWinWindow::GLWinWindow()
+ : hWnd(nullptr)
+ , hDC(nullptr)
+ , hRC(nullptr)
+{
+}
+
+namespace {
+
+class WinOpenGLContext : public OpenGLContext
+{
+public:
+ bool init( HDC hDC, HWND hWnd );
+ virtual void initWindow() override;
+private:
+ GLWinWindow m_aGLWin;
+ virtual const GLWindow& getOpenGLWindow() const override { return m_aGLWin; }
+ virtual GLWindow& getModifiableOpenGLWindow() override { return m_aGLWin; }
+ virtual bool ImplInit() override;
+ virtual void makeCurrent() override;
+ virtual void destroyCurrentContext() override;
+ virtual bool isCurrent() override;
+ virtual bool isAnyCurrent() override;
+ virtual void resetCurrent() override;
+ virtual void swapBuffers() override;
+};
+
+}
+
+void WinOpenGLContext::swapBuffers()
+{
+ OpenGLZone aZone;
+
+ SwapBuffers(m_aGLWin.hDC);
+
+ BuffersSwapped();
+}
+
+void WinOpenGLContext::resetCurrent()
+{
+ clearCurrent();
+
+ OpenGLZone aZone;
+
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+}
+
+static void ensureDispatchTable()
+{
+ thread_local bool bEpoxyDispatchMakeCurrentCalled = false;
+ if (!bEpoxyDispatchMakeCurrentCalled)
+ {
+ epoxy_handle_external_wglMakeCurrent();
+ bEpoxyDispatchMakeCurrentCalled = true;
+ }
+}
+
+bool WinOpenGLContext::isCurrent()
+{
+ OpenGLZone aZone;
+ if (!g_bAnyCurrent || !m_aGLWin.hRC)
+ return false;
+ ensureDispatchTable();
+ return wglGetCurrentContext() == m_aGLWin.hRC && wglGetCurrentDC() == m_aGLWin.hDC;
+}
+
+bool WinOpenGLContext::isAnyCurrent()
+{
+ return g_bAnyCurrent && wglGetCurrentContext() != nullptr;
+}
+
+void WinOpenGLContext::makeCurrent()
+{
+ if (isCurrent())
+ return;
+
+ OpenGLZone aZone;
+
+ clearCurrent();
+
+ ensureDispatchTable();
+
+ if (!wglMakeCurrent(m_aGLWin.hDC, m_aGLWin.hRC))
+ {
+ g_bAnyCurrent = false;
+ DWORD nLastError = GetLastError();
+ if (nLastError != ERROR_SUCCESS)
+ SAL_WARN("vcl.opengl", "wglMakeCurrent failed: " << WindowsErrorString(nLastError));
+ return;
+ }
+
+ g_bAnyCurrent = true;
+
+ registerAsCurrent();
+}
+
+bool WinOpenGLContext::init(HDC hDC, HWND hWnd)
+{
+ if (isInitialized())
+ return true;
+
+ m_aGLWin.hDC = hDC;
+ m_aGLWin.hWnd = hWnd;
+ return ImplInit();
+}
+
+void WinOpenGLContext::initWindow()
+{
+ if( !m_pChildWindow )
+ {
+ SystemWindowData winData = generateWinData(mpWindow, false);
+ m_pChildWindow = VclPtr<SystemChildWindow>::Create(mpWindow, 0, &winData, false);
+ }
+
+ if (m_pChildWindow)
+ {
+ InitChildWindow(m_pChildWindow.get());
+ const SystemEnvData* sysData(m_pChildWindow->GetSystemData());
+ m_aGLWin.hWnd = sysData->hWnd;
+ }
+
+ m_aGLWin.hDC = GetDC(m_aGLWin.hWnd);
+}
+
+void WinOpenGLContext::destroyCurrentContext()
+{
+ if (m_aGLWin.hRC)
+ {
+ std::vector<HGLRC>::iterator itr = std::remove(g_vShareList.begin(), g_vShareList.end(), m_aGLWin.hRC);
+ if (itr != g_vShareList.end())
+ g_vShareList.erase(itr);
+
+ if (wglGetCurrentContext() != nullptr)
+ {
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ }
+ wglDeleteContext( m_aGLWin.hRC );
+ ReleaseDC( m_aGLWin.hWnd, m_aGLWin.hDC );
+ m_aGLWin.hRC = nullptr;
+ }
+}
+
+static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ switch (message)
+ {
+ case WM_CREATE:
+ return 0;
+ case WM_CLOSE:
+ PostQuitMessage(0);
+ return 0;
+ case WM_DESTROY:
+ return 0;
+ default:
+ return DefWindowProcW(hwnd, message, wParam, lParam);
+ }
+}
+
+static bool InitTempWindow(HWND& hwnd, int width, int height, const PIXELFORMATDESCRIPTOR& inPfd, GLWinWindow& glWin)
+{
+ OpenGLZone aZone;
+
+ PIXELFORMATDESCRIPTOR pfd = inPfd;
+ int ret;
+ WNDCLASSW wc;
+ wc.style = 0;
+ wc.lpfnWndProc = WndProc;
+ wc.cbClsExtra = wc.cbWndExtra = 0;
+ wc.hInstance = nullptr;
+ wc.hIcon = nullptr;
+ wc.hCursor = nullptr;
+ wc.hbrBackground = nullptr;
+ wc.lpszMenuName = nullptr;
+ wc.lpszClassName = L"GLRenderer";
+ RegisterClassW(&wc);
+ hwnd = CreateWindowW(wc.lpszClassName, nullptr, WS_DISABLED, 0, 0, width, height, nullptr, nullptr, wc.hInstance, nullptr);
+ glWin.hDC = GetDC(hwnd);
+
+ int nPixelFormat = ChoosePixelFormat(glWin.hDC, &pfd);
+ if (!nPixelFormat)
+ {
+ ReleaseDC(hwnd, glWin.hDC);
+ DestroyWindow(hwnd);
+ return false;
+ }
+ ret = SetPixelFormat(glWin.hDC, nPixelFormat, &pfd);
+ if(!ret)
+ {
+ ReleaseDC(hwnd, glWin.hDC);
+ DestroyWindow(hwnd);
+ return false;
+ }
+ glWin.hRC = wglCreateContext(glWin.hDC);
+ if(!(glWin.hRC))
+ {
+ ReleaseDC(hwnd, glWin.hDC);
+ DestroyWindow(hwnd);
+ return false;
+ }
+ ret = wglMakeCurrent(glWin.hDC, glWin.hRC);
+ if(!ret)
+ {
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(glWin.hRC);
+ ReleaseDC(hwnd, glWin.hDC);
+ DestroyWindow(hwnd);
+ return false;
+ }
+ g_bAnyCurrent = false;
+
+ return true;
+}
+
+static bool WGLisExtensionSupported(const char *extension)
+{
+ OpenGLZone aZone;
+
+ const size_t extlen = strlen(extension);
+ const char *supported = nullptr;
+
+ // Try to use wglGetExtensionStringARB on current DC, if possible
+ PROC wglGetExtString = wglGetProcAddress("wglGetExtensionsStringARB");
+
+ if (wglGetExtString)
+ supported = reinterpret_cast<char*(__stdcall*)(HDC)>(wglGetExtString)(wglGetCurrentDC());
+ // If that failed, try standard OpenGL extensions string
+ if (supported == nullptr)
+ supported = reinterpret_cast<char const *>(glGetString(GL_EXTENSIONS));
+ // If that failed too, must be no extensions supported
+ if (supported == nullptr)
+ return false;
+
+ // Begin examination at start of string, increment by 1 on false match
+ for (const char* p = supported; ; p++)
+ {
+ // Advance p up to the next possible match
+ p = strstr(p, extension);
+
+ if (p == nullptr)
+ return false; // No Match
+
+ // Make sure that match is at the start of the string or that
+ // the previous char is a space, or else we could accidentally
+ // match "wglFunkywglExtension" with "wglExtension"
+
+ // Also, make sure that the following character is space or null
+ // or else "wglExtensionTwo" might match "wglExtension"
+ if ((p==supported || p[-1]==' ') && (p[extlen]=='\0' || p[extlen]==' '))
+ return true; // Match
+ }
+}
+
+static bool InitMultisample(const PIXELFORMATDESCRIPTOR& pfd, int& rPixelFormat,
+ bool bUseDoubleBufferedRendering, bool bRequestVirtualDevice)
+{
+ OpenGLZone aZone;
+
+ HWND hWnd = nullptr;
+ GLWinWindow glWin;
+ // Create a temp window to check whether support multi-sample, if support, get the format
+ if (!InitTempWindow(hWnd, 32, 32, pfd, glWin))
+ {
+ SAL_WARN("vcl.opengl", "Can't create temp window to test");
+ return false;
+ }
+
+ // See if the string exists in WGL
+ if (!WGLisExtensionSupported("WGL_ARB_multisample"))
+ {
+ SAL_WARN("vcl.opengl", "Device doesn't support multisample");
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(glWin.hRC);
+ ReleaseDC(hWnd, glWin.hDC);
+ DestroyWindow(hWnd);
+ return false;
+ }
+ // Get our pixel format
+ PFNWGLCHOOSEPIXELFORMATARBPROC fn_wglChoosePixelFormatARB = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATARBPROC>(wglGetProcAddress("wglChoosePixelFormatARB"));
+ if (!fn_wglChoosePixelFormatARB)
+ {
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(glWin.hRC);
+ ReleaseDC(hWnd, glWin.hDC);
+ DestroyWindow(hWnd);
+ return false;
+ }
+ // Get our current device context
+ HDC hDC = GetDC(hWnd);
+
+ int pixelFormat;
+ int valid;
+ UINT numFormats;
+ float fAttributes[] = {0,0};
+ // These attributes are the bits we want to test for in our sample.
+ // Everything is pretty standard, the only one we want to
+ // really focus on is the WGL_SAMPLE_BUFFERS_ARB and WGL_SAMPLES_ARB.
+ // These two are going to do the main testing for whether or not
+ // we support multisampling on this hardware.
+ int iAttributes[] =
+ {
+ WGL_DOUBLE_BUFFER_ARB,GL_TRUE,
+ WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
+ WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
+ WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
+ WGL_COLOR_BITS_ARB,24,
+ WGL_ALPHA_BITS_ARB,8,
+ WGL_DEPTH_BITS_ARB,24,
+ WGL_STENCIL_BITS_ARB,0,
+ WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
+ WGL_SAMPLES_ARB,8,
+ 0,0
+ };
+
+ if (!bUseDoubleBufferedRendering)
+ {
+ // Use asserts to make sure the iAttributes array is not changed without changing these ugly
+ // hardcode indexes into it.
+ assert(iAttributes[0] == WGL_DOUBLE_BUFFER_ARB);
+ iAttributes[1] = GL_FALSE;
+ }
+
+ if (bRequestVirtualDevice)
+ {
+ assert(iAttributes[2] == WGL_DRAW_TO_WINDOW_ARB);
+ iAttributes[2] = WGL_DRAW_TO_BITMAP_ARB;
+ }
+
+ bool bArbMultisampleSupported = false;
+
+ // First we check to see if we can get a pixel format for 8 samples
+ valid = fn_wglChoosePixelFormatARB(hDC, iAttributes, fAttributes, 1, &pixelFormat, &numFormats);
+ // If we returned true, and our format count is greater than 1
+ if (valid && numFormats >= 1)
+ {
+ bArbMultisampleSupported = true;
+ rPixelFormat = pixelFormat;
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(glWin.hRC);
+ ReleaseDC(hWnd, glWin.hDC);
+ DestroyWindow(hWnd);
+ return bArbMultisampleSupported;
+ }
+ // Our pixel format with 8 samples failed, test for 2 samples
+ assert(iAttributes[18] == WGL_SAMPLES_ARB);
+ iAttributes[19] = 2;
+ valid = fn_wglChoosePixelFormatARB(hDC, iAttributes, fAttributes, 1, &pixelFormat, &numFormats);
+ if (valid && numFormats >= 1)
+ {
+ bArbMultisampleSupported = true;
+ rPixelFormat = pixelFormat;
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(glWin.hRC);
+ ReleaseDC(hWnd, glWin.hDC);
+ DestroyWindow(hWnd);
+ return bArbMultisampleSupported;
+ }
+ // Return the valid format
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(glWin.hRC);
+ ReleaseDC(hWnd, glWin.hDC);
+ DestroyWindow(hWnd);
+
+ return bArbMultisampleSupported;
+}
+
+namespace
+{
+
+bool tryShaders(const OUString& rVertexShader, const OUString& rFragmentShader, const OUString& rGeometryShader = "", const OString& rPreamble = "")
+{
+ GLint nId;
+
+ // Somewhat mysteriously, the OpenGLHelper::LoadShaders() API saves a compiled binary of the
+ // shader only if you give it the digest of the shaders. We have API to calculate the digest
+ // only of the combination of vertex and fragment (but not geometry) shader. So if we have a
+ // geometry shader, we should not save the binary.
+ if (rGeometryShader.isEmpty())
+ {
+ nId = OpenGLHelper::LoadShaders(rVertexShader, rFragmentShader, rPreamble, OpenGLHelper::GetDigest( rVertexShader, rFragmentShader, rPreamble));
+ }
+ else
+ {
+ assert(rPreamble.isEmpty());
+ nId = OpenGLHelper::LoadShaders(rVertexShader, rFragmentShader, rGeometryShader);
+ }
+ if (!nId)
+ return false;
+
+ // We're interested in the error returned by glDeleteProgram().
+ glGetError();
+
+ glDeleteProgram(nId);
+ return glGetError() == GL_NO_ERROR;
+}
+
+bool compiledShaderBinariesWork()
+{
+ static bool bBeenHere = false;
+ static bool bResult;
+
+ if (bBeenHere)
+ return bResult;
+
+ bBeenHere = true;
+
+ bResult =
+ (
+#if 0 // Only look at shaders used by vcl for now
+ // canvas
+ tryShaders("dummyVertexShader", "linearMultiColorGradientFragmentShader") &&
+ tryShaders("dummyVertexShader", "linearTwoColorGradientFragmentShader") &&
+ tryShaders("dummyVertexShader", "radialMultiColorGradientFragmentShader") &&
+ tryShaders("dummyVertexShader", "radialTwoColorGradientFragmentShader") &&
+ tryShaders("dummyVertexShader", "rectangularMultiColorGradientFragmentShader") &&
+ tryShaders("dummyVertexShader", "rectangularTwoColorGradientFragmentShader") &&
+ // chart2
+ (GLEW_VERSION_3_3 ?
+ (tryShaders("shape3DVertexShader", "shape3DFragmentShader") &&
+ tryShaders("shape3DVertexShaderBatchScroll", "shape3DFragmentShaderBatchScroll") &&
+ tryShaders("shape3DVertexShaderBatch", "shape3DFragmentShaderBatch") &&
+ tryShaders("textVertexShaderBatch", "textFragmentShaderBatch")) :
+ (tryShaders("shape3DVertexShaderV300", "shape3DFragmentShaderV300"))) &&
+ tryShaders("textVertexShader", "textFragmentShader") &&
+ tryShaders("screenTextVertexShader", "screenTextFragmentShader") &&
+ tryShaders("commonVertexShader", "commonFragmentShader") &&
+ tryShaders("pickingVertexShader", "pickingFragmentShader") &&
+ tryShaders("backgroundVertexShader", "backgroundFragmentShader") &&
+ tryShaders("symbolVertexShader", "symbolFragmentShader") &&
+ tryShaders("symbolVertexShader", "symbolFragmentShader") &&
+ // slideshow
+ tryShaders("reflectionVertexShader", "reflectionFragmentShader") &&
+ tryShaders("basicVertexShader", "basicFragmentShader") &&
+ tryShaders("vortexVertexShader", "vortexFragmentShader", "vortexGeometryShader") &&
+ tryShaders("basicVertexShader", "rippleFragmentShader") &&
+ tryShaders("glitterVertexShader", "glitterFragmentShader") &&
+ tryShaders("honeycombVertexShader", "honeycombFragmentShader", "honeycombGeometryShader") &&
+#endif
+ // vcl
+ tryShaders("combinedVertexShader", "combinedFragmentShader") &&
+ tryShaders("dumbVertexShader", "invert50FragmentShader") &&
+ tryShaders("textureVertexShader", "areaScaleFragmentShader") &&
+ tryShaders("transformedTextureVertexShader", "maskedTextureFragmentShader") &&
+ tryShaders("transformedTextureVertexShader", "areaScaleFastFragmentShader") &&
+ tryShaders("transformedTextureVertexShader", "areaScaleFastFragmentShader", "", "#define MASKED") &&
+ tryShaders("transformedTextureVertexShader", "areaScaleFragmentShader") &&
+ tryShaders("transformedTextureVertexShader", "areaScaleFragmentShader", "", "#define MASKED") &&
+ tryShaders("transformedTextureVertexShader", "textureFragmentShader") &&
+ tryShaders("combinedTextureVertexShader", "combinedTextureFragmentShader") &&
+ tryShaders("combinedTextureVertexShader", "combinedTextureFragmentShader", "", "// flush shader\n") &&
+ tryShaders("textureVertexShader", "linearGradientFragmentShader") &&
+ tryShaders("textureVertexShader", "radialGradientFragmentShader") &&
+ tryShaders("textureVertexShader", "areaHashCRC64TFragmentShader") &&
+ tryShaders("textureVertexShader", "replaceColorFragmentShader") &&
+ tryShaders("textureVertexShader", "greyscaleFragmentShader") &&
+ tryShaders("textureVertexShader", "textureFragmentShader") &&
+ tryShaders("textureVertexShader", "convolutionFragmentShader") &&
+ tryShaders("textureVertexShader", "areaScaleFastFragmentShader"));
+
+ return bResult;
+}
+
+} // unnamed namespace
+
+bool WinOpenGLContext::ImplInit()
+{
+ static bool bFirstCall = true;
+
+ OpenGLZone aZone;
+
+ VCL_GL_INFO("OpenGLContext::ImplInit----start");
+ // PixelFormat tells Windows how we want things to be
+ PIXELFORMATDESCRIPTOR PixelFormatFront =
+ {
+ sizeof(PIXELFORMATDESCRIPTOR),
+ 1, // Version Number
+ PFD_SUPPORT_OPENGL,
+ PFD_TYPE_RGBA, // Request An RGBA Format
+ BYTE(32), // Select Our Color Depth
+ 0, 0, 0, 0, 0, 0, // Color Bits Ignored
+ 0, // No Alpha Buffer
+ 0, // Shift Bit Ignored
+ 0, // No Accumulation Buffer
+ 0, 0, 0, 0, // Accumulation Bits Ignored
+ 24, // 24 bit z-buffer
+ 8, // stencil buffer
+ 0, // No Auxiliary Buffer
+ 0, // now ignored
+ 0, // Reserved
+ 0, 0, 0 // Layer Masks Ignored
+ };
+
+ PixelFormatFront.dwFlags |= PFD_DOUBLEBUFFER;
+ PixelFormatFront.dwFlags |= PFD_DRAW_TO_WINDOW;
+
+ // we must check whether can set the MSAA
+ int WindowPix = 0;
+ bool bMultiSampleSupport = false;
+
+ if (!mbVCLOnly)
+ bMultiSampleSupport = InitMultisample(PixelFormatFront, WindowPix, /*bUseDoubleBufferedRendering*/true, false);
+ else
+ VCL_GL_INFO("Skipping multisample detection for VCL.");
+
+ if (bMultiSampleSupport && WindowPix != 0)
+ {
+ m_aGLWin.bMultiSampleSupported = true;
+ }
+ else
+ {
+ WindowPix = ChoosePixelFormat(m_aGLWin.hDC, &PixelFormatFront);
+#if OSL_DEBUG_LEVEL > 0
+ PIXELFORMATDESCRIPTOR pfd;
+ DescribePixelFormat(m_aGLWin.hDC, WindowPix, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
+ SAL_WARN("vcl.opengl", "Render Target: Window: " << static_cast<int>((pfd.dwFlags & PFD_DRAW_TO_WINDOW) != 0) << ", Bitmap: " << static_cast<int>((pfd.dwFlags & PFD_DRAW_TO_BITMAP) != 0));
+ SAL_WARN("vcl.opengl", "Supports OpenGL: " << static_cast<int>((pfd.dwFlags & PFD_SUPPORT_OPENGL) != 0));
+#endif
+ }
+
+ if (WindowPix == 0)
+ {
+ SAL_WARN("vcl.opengl", "Invalid pixelformat");
+ return false;
+ }
+
+ if (!SetPixelFormat(m_aGLWin.hDC, WindowPix, &PixelFormatFront))
+ {
+ SAL_WARN("vcl.opengl", "SetPixelFormat failed: " << WindowsErrorString(GetLastError()));
+ return false;
+ }
+
+ HGLRC hTempRC = wglCreateContext(m_aGLWin.hDC);
+ if (hTempRC == nullptr)
+ {
+ SAL_WARN("vcl.opengl", "wglCreateContext failed: "<< WindowsErrorString(GetLastError()));
+ return false;
+ }
+
+ if (!wglMakeCurrent(m_aGLWin.hDC, hTempRC))
+ {
+ g_bAnyCurrent = false;
+ SAL_WARN("vcl.opengl", "wglMakeCurrent failed: "<< WindowsErrorString(GetLastError()));
+ return false;
+ }
+
+ g_bAnyCurrent = true;
+
+ if (!InitGL())
+ {
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(hTempRC);
+ return false;
+ }
+
+ HGLRC hSharedCtx = nullptr;
+ if (!g_vShareList.empty())
+ hSharedCtx = g_vShareList.front();
+
+ if (!wglCreateContextAttribsARB)
+ {
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(hTempRC);
+ return false;
+ }
+
+ // now setup the shared context; this needs a temporary context already
+ // set up in order to work
+ int const attribs [] =
+ {
+#ifdef DBG_UTIL
+ WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_DEBUG_BIT_ARB,
+#endif
+ 0
+ };
+ m_aGLWin.hRC = wglCreateContextAttribsARB(m_aGLWin.hDC, hSharedCtx, attribs);
+ if (m_aGLWin.hRC == nullptr)
+ {
+ SAL_WARN("vcl.opengl", "wglCreateContextAttribsARB failed: "<< WindowsErrorString(GetLastError()));
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(hTempRC);
+ return false;
+ }
+
+ if (!compiledShaderBinariesWork())
+ {
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(hTempRC);
+ return false;
+ }
+
+ wglMakeCurrent(nullptr, nullptr);
+ g_bAnyCurrent = false;
+ wglDeleteContext(hTempRC);
+
+ if (!wglMakeCurrent(m_aGLWin.hDC, m_aGLWin.hRC))
+ {
+ g_bAnyCurrent = false;
+ SAL_WARN("vcl.opengl", "wglMakeCurrent failed: " << WindowsErrorString(GetLastError()));
+ return false;
+ }
+
+ g_bAnyCurrent = true;
+
+ if (bFirstCall)
+ {
+ // Checking texture size
+ GLint nMaxTextureSize;
+ glGetIntegerv(GL_MAX_TEXTURE_SIZE, &nMaxTextureSize);
+ if (nMaxTextureSize <= 4096)
+ SAL_WARN("vcl.opengl", "Max texture size is " << nMaxTextureSize
+ << ". This may not be enough for normal operation.");
+ else
+ VCL_GL_INFO("Max texture size: " << nMaxTextureSize);
+
+ // Trying to make a texture and check its size
+ for (GLint nWidthHeight = 1023; nWidthHeight < nMaxTextureSize; nWidthHeight += (nWidthHeight + 1))
+ {
+ glTexImage2D(GL_PROXY_TEXTURE_2D, 0, 4, nWidthHeight, nWidthHeight, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, nullptr);
+ CHECK_GL_ERROR();
+ if (glGetError() == GL_NO_ERROR)
+ {
+ GLint nWidth = 0;
+ GLint nHeight = 0;
+ glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &nWidth);
+ glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &nHeight);
+ VCL_GL_INFO("Created texture " << nWidthHeight << "," << nWidthHeight << " reports size: " << nWidth << ", " << nHeight);
+ }
+ else
+ {
+ SAL_WARN("vcl.opengl", "Error when creating a " << nWidthHeight << ", " << nWidthHeight << " test texture.");
+ }
+ }
+ }
+
+ InitGLDebugging();
+
+ g_vShareList.push_back(m_aGLWin.hRC);
+
+ RECT clientRect;
+ GetClientRect(WindowFromDC(m_aGLWin.hDC), &clientRect);
+ m_aGLWin.Width = clientRect.right - clientRect.left;
+ m_aGLWin.Height = clientRect.bottom - clientRect.top;
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+ registerAsCurrent();
+
+ bFirstCall = false;
+
+ static OString aVendor(reinterpret_cast<const char*>(glGetString(GL_VENDOR)));
+
+ if (aVendor.equalsIgnoreAsciiCase("intel"))
+ maOpenGLCapabilitySwitch.mbLimitedShaderRegisters = true;
+
+ return true;
+}
+
+OpenGLContext* WinSalInstance::CreateOpenGLContext()
+{
+ return new WinOpenGLContext;
+}
+
+WinOpenGLSalGraphicsImpl::WinOpenGLSalGraphicsImpl(WinSalGraphics& rGraphics,
+ SalGeometryProvider *mpProvider):
+ OpenGLSalGraphicsImpl(rGraphics,mpProvider),
+ mrWinParent(rGraphics)
+{
+}
+
+void WinOpenGLSalGraphicsImpl::copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics )
+{
+ OpenGLSalGraphicsImpl *pImpl = pSrcGraphics ? static_cast< OpenGLSalGraphicsImpl* >(pSrcGraphics->GetImpl()) : static_cast< OpenGLSalGraphicsImpl *>(mrParent.GetImpl());
+ OpenGLSalGraphicsImpl::DoCopyBits( rPosAry, *pImpl );
+}
+
+rtl::Reference<OpenGLContext> WinOpenGLSalGraphicsImpl::CreateWinContext()
+{
+ rtl::Reference<WinOpenGLContext> xContext(new WinOpenGLContext);
+ xContext->setVCLOnly();
+ if (!xContext->init(mrWinParent.mhLocalDC, mrWinParent.mhWnd))
+ {
+ SAL_WARN("vcl.opengl", "Context could not be created.");
+ return rtl::Reference<OpenGLContext>();
+ }
+ return rtl::Reference<OpenGLContext>(xContext.get());
+}
+
+void WinOpenGLSalGraphicsImpl::Init()
+{
+ if (!IsOffscreen() && mpContext.is() && mpContext->isInitialized())
+ {
+ const GLWinWindow& rGLWindow = static_cast<const GLWinWindow&>(mpContext->getOpenGLWindow());
+ if (rGLWindow.hWnd != mrWinParent.mhWnd || rGLWindow.hDC == mrWinParent.mhLocalDC)
+ {
+ // This can legitimately happen, SalFrame keeps 2x
+ // SalGraphics which share the same hWnd and hDC.
+ // The shape 'Area' dialog does reparenting to trigger this.
+ SAL_WARN("vcl.opengl", "Unusual: Windows handle / DC changed without DeInit");
+ DeInit();
+ }
+ }
+
+ OpenGLSalGraphicsImpl::Init();
+}
+
+OpenGLControlsCache::OpenGLControlsCache(): cache(200) {}
+
+OpenGLControlCacheType & OpenGLControlsCache::get() {
+ SalData * data = GetSalData();
+ if (!data->m_pOpenGLControlsCache) {
+ data->m_pOpenGLControlsCache.reset(new OpenGLControlsCache);
+ }
+ return data->m_pOpenGLControlsCache->cache;
+}
+
+OpenGLCompatibleDC::OpenGLCompatibleDC(SalGraphics &rGraphics, int x, int y, int width, int height)
+: CompatibleDC( rGraphics, x, y, width, height, false )
+{
+}
+
+OpenGLTexture* OpenGLCompatibleDC::getOpenGLTexture() const
+{
+ if (!mpImpl)
+ return nullptr;
+
+ // turn what's in the mpData into a texture
+ return new OpenGLTexture(maRects.mnSrcWidth, maRects.mnSrcHeight, GL_BGRA, GL_UNSIGNED_BYTE, mpData);
+}
+
+std::unique_ptr<CompatibleDC::Texture> OpenGLCompatibleDC::getAsMaskTexture() const
+{
+ auto ret = std::make_unique<OpenGLCompatibleDC::Texture>();
+ ret->texture = OpenGLTexture(maRects.mnSrcWidth, maRects.mnSrcHeight, GL_BGRA, GL_UNSIGNED_BYTE, mpData);
+ return ret;
+}
+
+bool OpenGLCompatibleDC::copyToTexture(CompatibleDC::Texture& aTexture) const
+{
+ if (!mpImpl)
+ return false;
+
+ assert(dynamic_cast<OpenGLCompatibleDC::Texture*>(&aTexture));
+ return static_cast<OpenGLCompatibleDC::Texture&>(aTexture).texture.CopyData(
+ maRects.mnSrcWidth, maRects.mnSrcHeight, GL_BGRA, GL_UNSIGNED_BYTE, reinterpret_cast<sal_uInt8*>(mpData));
+}
+
+bool WinOpenGLSalGraphicsImpl::TryRenderCachedNativeControl(ControlCacheKey const & rControlCacheKey, int nX, int nY)
+{
+ static bool gbCacheEnabled = !getenv("SAL_WITHOUT_WIDGET_CACHE");
+
+ if (!gbCacheEnabled)
+ return false;
+
+ auto & gTextureCache = OpenGLControlsCache::get();
+ OpenGLControlCacheType::const_iterator iterator = gTextureCache.find(rControlCacheKey);
+
+ if (iterator == gTextureCache.end())
+ return false;
+
+ const std::unique_ptr<TextureCombo>& pCombo = iterator->second;
+
+ bool bRet = false;
+
+ PreDraw();
+
+ bRet = RenderTextureCombo(*pCombo, nX, nY);
+
+ PostDraw();
+
+ return bRet;
+}
+
+bool WinOpenGLSalGraphicsImpl::RenderTextureCombo(TextureCombo const & rCombo, int nX, int nY)
+{
+ OpenGLTexture& rTexture = *rCombo.mpTexture;
+
+ SalTwoRect aPosAry(0, 0, rTexture.GetWidth(), rTexture.GetHeight(),
+ nX, nY, rTexture.GetWidth(), rTexture.GetHeight());
+
+ DrawTextureDiff(rTexture, *rCombo.mpMask, aPosAry, false);
+
+ return true;
+}
+
+bool WinOpenGLSalGraphicsImpl::RenderCompatibleDC(OpenGLCompatibleDC& rWhite, OpenGLCompatibleDC& rBlack,
+ int nX, int nY, TextureCombo& rCombo)
+{
+ bool bRet = false;
+
+ PreDraw();
+
+ rCombo.mpTexture.reset(rWhite.getOpenGLTexture());
+ rCombo.mpMask.reset(rBlack.getOpenGLTexture());
+
+ bRet = RenderTextureCombo(rCombo, nX, nY);
+
+ PostDraw();
+ return bRet;
+}
+
+bool WinOpenGLSalGraphicsImpl::RenderAndCacheNativeControl(CompatibleDC& rWhite, CompatibleDC& rBlack,
+ int nX, int nY , ControlCacheKey& aControlCacheKey)
+{
+ assert(dynamic_cast<OpenGLCompatibleDC*>(&rWhite));
+ assert(dynamic_cast<OpenGLCompatibleDC*>(&rBlack));
+
+ std::unique_ptr<TextureCombo> pCombo(new TextureCombo);
+
+ bool bResult = RenderCompatibleDC(static_cast<OpenGLCompatibleDC&>(rWhite),
+ static_cast<OpenGLCompatibleDC&>(rBlack), nX, nY, *pCombo);
+ if (!bResult)
+ return false;
+
+ if (!aControlCacheKey.canCacheControl())
+ return true;
+
+ OpenGLControlCachePair pair(aControlCacheKey, std::move(pCombo));
+ OpenGLControlsCache::get().insert(std::move(pair));
+
+ return bResult;
+}
+
+void WinOpenGLSalGraphicsImpl::PreDrawText()
+{
+ PreDraw();
+}
+
+void WinOpenGLSalGraphicsImpl::PostDrawText()
+{
+ PostDraw();
+}
+
+void WinOpenGLSalGraphicsImpl::DeferredTextDraw(const CompatibleDC::Texture* pTexture, Color aMaskColor, const SalTwoRect& rPosAry)
+{
+ assert(dynamic_cast<const OpenGLCompatibleDC::Texture*>(pTexture));
+ mpRenderList->addDrawTextureWithMaskColor(
+ static_cast<const OpenGLCompatibleDC::Texture*>(pTexture)->texture, aMaskColor, rPosAry);
+ PostBatchDraw();
+}
+
+void WinOpenGLSalGraphicsImpl::DrawTextMask( CompatibleDC::Texture* pTexture, Color nMaskColor, const SalTwoRect& rPosAry )
+{
+ assert(dynamic_cast<OpenGLCompatibleDC::Texture*>(pTexture));
+ DrawMask( static_cast<OpenGLCompatibleDC::Texture*>(pTexture)->texture, nMaskColor, rPosAry );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/opengl/win/winlayout.cxx b/vcl/opengl/win/winlayout.cxx
new file mode 100644
index 000000000..59bf12c25
--- /dev/null
+++ b/vcl/opengl/win/winlayout.cxx
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <opengl/win/winlayout.hxx>
+
+#include <opengl/win/gdiimpl.hxx>
+
+bool OpenGLGlobalWinGlyphCache::AllocateTexture(WinGlyphDrawElement& rElement, CompatibleDC* dc)
+{
+ assert(rElement.maTexture.get() == nullptr);
+ assert(dynamic_cast<OpenGLCompatibleDC*>(dc));
+ OpenGLCompatibleDC* odc = static_cast<OpenGLCompatibleDC*>(dc);
+ OpenGLCompatibleDC::Texture* texture = new OpenGLCompatibleDC::Texture;
+ rElement.maTexture.reset(texture);
+ texture->texture = maPackedTextureAtlas.Reserve(dc->getBitmapWidth(), dc->getBitmapHeight());
+ if (!texture->texture)
+ return false;
+ if (!odc->copyToTexture(*rElement.maTexture))
+ return false;
+ return true;
+}
+
+void OpenGLGlobalWinGlyphCache::Prune()
+{
+ std::vector<GLuint> aTextureIDs = maPackedTextureAtlas.ReduceTextureNumber(8);
+ if (!aTextureIDs.empty())
+ {
+ for (auto& pWinGlyphCache : maWinGlyphCaches)
+ static_cast<OpenGLWinGlyphCache*>(pWinGlyphCache)->RemoveTextures(aTextureIDs);
+ }
+}
+
+void OpenGLWinGlyphCache::RemoveTextures(std::vector<GLuint>& rTextureIDs)
+{
+ auto it = maWinTextureCache.begin();
+
+ while (it != maWinTextureCache.end())
+ {
+ assert(dynamic_cast<OpenGLCompatibleDC::Texture*>(it->second.maTexture.get()));
+ GLuint nTextureID
+ = static_cast<OpenGLCompatibleDC::Texture*>(it->second.maTexture.get())->texture.Id();
+
+ if (std::find(rTextureIDs.begin(), rTextureIDs.end(), nTextureID) != rTextureIDs.end())
+ {
+ it = maWinTextureCache.erase(it);
+ }
+ else
+ {
+ ++it;
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 01:46:54 +0000