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60957fca05
#jira UE-42923 #ue4 #android #rb none #lockdown Nick.Penwarden [CL 3348261 by Chris Babcock in Main branch]
697 lines
26 KiB
C++
697 lines
26 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#include "CoreMinimal.h"
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#if !PLATFORM_ANDROIDESDEFERRED
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#include "OpenGLDrvPrivate.h"
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#include "AndroidOpenGL.h"
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#include "OpenGLDrvPrivate.h"
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#include "OpenGLES2.h"
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#include "AndroidWindow.h"
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#include "AndroidOpenGLPrivate.h"
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PFNEGLGETSYSTEMTIMENVPROC eglGetSystemTimeNV_p = NULL;
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PFNEGLCREATESYNCKHRPROC eglCreateSyncKHR_p = NULL;
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PFNEGLDESTROYSYNCKHRPROC eglDestroySyncKHR_p = NULL;
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PFNEGLCLIENTWAITSYNCKHRPROC eglClientWaitSyncKHR_p = NULL;
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// Occlusion Queries
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PFNGLGENQUERIESEXTPROC glGenQueriesEXT = NULL;
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PFNGLDELETEQUERIESEXTPROC glDeleteQueriesEXT = NULL;
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PFNGLISQUERYEXTPROC glIsQueryEXT = NULL;
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PFNGLBEGINQUERYEXTPROC glBeginQueryEXT = NULL;
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PFNGLENDQUERYEXTPROC glEndQueryEXT = NULL;
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PFNGLGETQUERYIVEXTPROC glGetQueryivEXT = NULL;
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PFNGLGETQUERYOBJECTIVEXTPROC glGetQueryObjectivEXT = NULL;
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PFNGLGETQUERYOBJECTUIVEXTPROC glGetQueryObjectuivEXT = NULL;
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PFNGLQUERYCOUNTEREXTPROC glQueryCounterEXT = NULL;
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PFNGLGETQUERYOBJECTUI64VEXTPROC glGetQueryObjectui64vEXT = NULL;
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// Offscreen MSAA rendering
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PFNBLITFRAMEBUFFERNVPROC glBlitFramebufferNV = NULL;
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PFNGLDISCARDFRAMEBUFFEREXTPROC glDiscardFramebufferEXT = NULL;
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PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC glFramebufferTexture2DMultisampleEXT = NULL;
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PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT = NULL;
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PFNGLPUSHGROUPMARKEREXTPROC glPushGroupMarkerEXT = NULL;
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PFNGLPOPGROUPMARKEREXTPROC glPopGroupMarkerEXT = NULL;
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PFNGLLABELOBJECTEXTPROC glLabelObjectEXT = NULL;
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PFNGLGETOBJECTLABELEXTPROC glGetObjectLabelEXT = NULL;
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PFNGLMAPBUFFEROESPROC glMapBufferOESa = NULL;
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PFNGLUNMAPBUFFEROESPROC glUnmapBufferOESa = NULL;
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PFNGLTEXSTORAGE2DPROC glTexStorage2D = NULL;
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// KHR_debug
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PFNGLDEBUGMESSAGECONTROLKHRPROC glDebugMessageControlKHR = NULL;
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PFNGLDEBUGMESSAGEINSERTKHRPROC glDebugMessageInsertKHR = NULL;
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PFNGLDEBUGMESSAGECALLBACKKHRPROC glDebugMessageCallbackKHR = NULL;
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PFNGLGETDEBUGMESSAGELOGKHRPROC glDebugMessageLogKHR = NULL;
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PFNGLGETPOINTERVKHRPROC glGetPointervKHR = NULL;
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PFNGLPUSHDEBUGGROUPKHRPROC glPushDebugGroupKHR = NULL;
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PFNGLPOPDEBUGGROUPKHRPROC glPopDebugGroupKHR = NULL;
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PFNGLOBJECTLABELKHRPROC glObjectLabelKHR = NULL;
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PFNGLGETOBJECTLABELKHRPROC glGetObjectLabelKHR = NULL;
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PFNGLOBJECTPTRLABELKHRPROC glObjectPtrLabelKHR = NULL;
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PFNGLGETOBJECTPTRLABELKHRPROC glGetObjectPtrLabelKHR = NULL;
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PFNGLDRAWELEMENTSINSTANCEDPROC glDrawElementsInstanced = NULL;
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PFNGLDRAWARRAYSINSTANCEDPROC glDrawArraysInstanced = NULL;
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PFNGLVERTEXATTRIBDIVISORPROC glVertexAttribDivisor = NULL;
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PFNGLUNIFORM4UIVPROC glUniform4uiv = NULL;
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PFNGLTEXIMAGE3DPROC glTexImage3D = NULL;
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PFNGLTEXSUBIMAGE3DPROC glTexSubImage3D = NULL;
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PFNGLCOMPRESSEDTEXIMAGE3DPROC glCompressedTexImage3D = NULL;
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PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glCompressedTexSubImage3D = NULL;
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PFNGLCOPYTEXSUBIMAGE3DPROC glCopyTexSubImage3D = NULL;
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PFNGLCLEARBUFFERFIPROC glClearBufferfi = NULL;
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PFNGLCLEARBUFFERFVPROC glClearBufferfv = NULL;
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PFNGLCLEARBUFFERIVPROC glClearBufferiv = NULL;
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PFNGLCLEARBUFFERUIVPROC glClearBufferuiv = NULL;
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PFNGLDRAWBUFFERSPROC glDrawBuffers = NULL;
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PFNGLTEXBUFFEREXTPROC glTexBufferEXT = NULL;
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PFNGLGETPROGRAMBINARYOESPROC glGetProgramBinary = NULL;
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PFNGLPROGRAMBINARYOESPROC glProgramBinary = NULL;
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PFNGLBINDBUFFERRANGEPROC glBindBufferRange = NULL;
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PFNGLBINDBUFFERBASEPROC glBindBufferBase = NULL;
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PFNGLGETUNIFORMBLOCKINDEXPROC glGetUniformBlockIndex = NULL;
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PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding = NULL;
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PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer = NULL;
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PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC glFramebufferTextureMultiviewOVR = NULL;
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PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC glFramebufferTextureMultisampleMultiviewOVR = NULL;
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struct FPlatformOpenGLDevice
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{
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void SetCurrentSharedContext();
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void SetCurrentRenderingContext();
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void SetCurrentNULLContext();
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FPlatformOpenGLDevice();
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~FPlatformOpenGLDevice();
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void Init();
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void LoadEXT();
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void Terminate();
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void ReInit();
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};
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FPlatformOpenGLDevice::~FPlatformOpenGLDevice()
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{
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FAndroidAppEntry::ReleaseEGL();
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}
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FPlatformOpenGLDevice::FPlatformOpenGLDevice()
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{
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}
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// call out to JNI to see if the application was packaged for GearVR
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extern bool AndroidThunkCpp_IsGearVRApplication();
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void FPlatformOpenGLDevice::Init()
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{
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extern void InitDebugContext();
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FPlatformMisc::LowLevelOutputDebugString(TEXT("FPlatformOpenGLDevice:Init"));
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bool bCreateSurface = !AndroidThunkCpp_IsGearVRApplication();
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AndroidEGL::GetInstance()->InitSurface(false, bCreateSurface);
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PlatformRenderingContextSetup(this);
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LoadEXT();
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InitDefaultGLContextState();
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InitDebugContext();
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PlatformSharedContextSetup(this);
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InitDefaultGLContextState();
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InitDebugContext();
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AndroidEGL::GetInstance()->InitBackBuffer(); //can be done only after context is made current.
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}
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FPlatformOpenGLDevice* PlatformCreateOpenGLDevice()
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{
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FPlatformOpenGLDevice* Device = new FPlatformOpenGLDevice();
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Device->Init();
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return Device;
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}
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bool PlatformCanEnableGPUCapture()
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{
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return false;
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}
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void PlatformReleaseOpenGLContext(FPlatformOpenGLDevice* Device, FPlatformOpenGLContext* Context)
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{
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}
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void* PlatformGetWindow(FPlatformOpenGLContext* Context, void** AddParam)
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{
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check(Context);
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return (void*)&Context->eglContext;
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}
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bool PlatformBlitToViewport( FPlatformOpenGLDevice* Device, const FOpenGLViewport& Viewport, uint32 BackbufferSizeX, uint32 BackbufferSizeY, bool bPresent,bool bLockToVsync, int32 SyncInterval )
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{
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if (bPresent && Viewport.GetCustomPresent())
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{
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bPresent = Viewport.GetCustomPresent()->Present(SyncInterval);
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}
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if (bPresent)
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{
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AndroidEGL::GetInstance()->SwapBuffers(bLockToVsync ? SyncInterval : 0);
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}
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return bPresent;
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}
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void PlatformRenderingContextSetup(FPlatformOpenGLDevice* Device)
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{
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Device->SetCurrentRenderingContext();
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}
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void PlatformFlushIfNeeded()
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{
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}
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void PlatformRebindResources(FPlatformOpenGLDevice* Device)
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{
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}
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void PlatformSharedContextSetup(FPlatformOpenGLDevice* Device)
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{
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Device->SetCurrentSharedContext();
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}
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void PlatformNULLContextSetup()
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{
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AndroidEGL::GetInstance()->SetCurrentContext(EGL_NO_CONTEXT, EGL_NO_SURFACE);
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}
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EOpenGLCurrentContext PlatformOpenGLCurrentContext(FPlatformOpenGLDevice* Device)
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{
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return (EOpenGLCurrentContext)AndroidEGL::GetInstance()->GetCurrentContextType();
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}
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void PlatformRestoreDesktopDisplayMode()
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{
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}
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bool PlatformInitOpenGL()
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{
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check(!FAndroidMisc::ShouldUseVulkan());
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{
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// determine ES version. PlatformInitOpenGL happens before ProcessExtensions and therefore FAndroidOpenGL::bES31Support.
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FString SubVersion;
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const bool bES31Supported = FAndroidGPUInfo::Get().GLVersion.Split(TEXT("OpenGL ES 3."), nullptr, &SubVersion) && FCString::Atoi(*SubVersion) >= 1;
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static const auto CVarDisableES31 = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.Android.DisableOpenGLES31Support"));
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bool bBuildForES31 = false;
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GConfig->GetBool(TEXT("/Script/AndroidRuntimeSettings.AndroidRuntimeSettings"), TEXT("bBuildForES31"), bBuildForES31, GEngineIni);
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const bool bSupportsFloatingPointRTs = FAndroidMisc::SupportsFloatingPointRenderTargets();
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const bool bSupportsShaderIOBlocks = FAndroidMisc::SupportsShaderIOBlocks();
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if (bBuildForES31 && bES31Supported && bSupportsFloatingPointRTs && bSupportsShaderIOBlocks && CVarDisableES31->GetValueOnAnyThread() == 0)
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{
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FAndroidOpenGL::CurrentFeatureLevelSupport = FAndroidOpenGL::EFeatureLevelSupport::ES31;
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// shut down existing ES2 egl.
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UE_LOG(LogRHI, Log, TEXT("App is packaged for OpenGL ES 3.1 and an ES 3.1-capable device was detected. Reinitializing OpenGL ES with a 3.1 context."));
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FAndroidAppEntry::ReleaseEGL();
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// Re-init gles for 3.1
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AndroidEGL::GetInstance()->Init(AndroidEGL::AV_OpenGLES, 3, 1, false);
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}
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else
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{
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FAndroidOpenGL::CurrentFeatureLevelSupport = FAndroidOpenGL::EFeatureLevelSupport::ES2;
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if (bBuildForES31)
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{
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UE_LOG(LogRHI, Log, TEXT("App is packaged for OpenGL ES 3.1 but device has not met all the requirements for ES 3.1 :"));
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if (CVarDisableES31->GetValueOnAnyThread())
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{
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UE_LOG(LogRHI, Log, TEXT(" ES 3.1 support was disabled via r.Android.DisableOpenGLES31Support"));
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}
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UE_LOG(LogRHI, Log, TEXT(" Device has OpenGL ES 3.1 support: %s"), bES31Supported ? TEXT("YES") : TEXT("NO"));
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UE_LOG(LogRHI, Log, TEXT(" Floating point render target support: %s"), bSupportsFloatingPointRTs ? TEXT("YES") : TEXT("NO"));
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UE_LOG(LogRHI, Log, TEXT(" EXT_shader_io_blocks support: %s"), bSupportsShaderIOBlocks ? TEXT("YES") : TEXT("NO"));
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}
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bool bBuildForES2 = false;
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GConfig->GetBool(TEXT("/Script/AndroidRuntimeSettings.AndroidRuntimeSettings"), TEXT("bBuildForES2"), bBuildForES2, GEngineIni);
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// If we're here and there's no ES2 data then we're in trouble.
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checkf(bBuildForES2, TEXT("This device only supports OpenGL ES 2 but the app was not packaged with ES2 support."));
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}
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}
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return true;
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}
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bool PlatformOpenGLContextValid()
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{
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return AndroidEGL::GetInstance()->IsCurrentContextValid();
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}
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void PlatformGetBackbufferDimensions( uint32& OutWidth, uint32& OutHeight )
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{
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AndroidEGL::GetInstance()->GetDimensions(OutWidth, OutHeight);
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}
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// =============================================================
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void PlatformGetNewOcclusionQuery( GLuint* OutQuery, uint64* OutQueryContext )
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{
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}
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bool PlatformContextIsCurrent( uint64 QueryContext )
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{
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return true;
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}
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void FPlatformOpenGLDevice::LoadEXT()
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{
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eglGetSystemTimeNV_p = (PFNEGLGETSYSTEMTIMENVPROC)((void*)eglGetProcAddress("eglGetSystemTimeNV"));
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eglCreateSyncKHR_p = (PFNEGLCREATESYNCKHRPROC)((void*)eglGetProcAddress("eglCreateSyncKHR"));
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eglDestroySyncKHR_p = (PFNEGLDESTROYSYNCKHRPROC)((void*)eglGetProcAddress("eglDestroySyncKHR"));
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eglClientWaitSyncKHR_p = (PFNEGLCLIENTWAITSYNCKHRPROC)((void*)eglGetProcAddress("eglClientWaitSyncKHR"));
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glDebugMessageControlKHR = (PFNGLDEBUGMESSAGECONTROLKHRPROC)((void*)eglGetProcAddress("glDebugMessageControlKHR"));
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// Some PowerVR drivers (Rogue Han and Intel-based devices) are crashing using glDebugMessageControlKHR (causes signal 11 crash)
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if (glDebugMessageControlKHR != NULL && FAndroidMisc::GetGPUFamily().Contains(TEXT("PowerVR")))
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{
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glDebugMessageControlKHR = NULL;
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}
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glDebugMessageInsertKHR = (PFNGLDEBUGMESSAGEINSERTKHRPROC)((void*)eglGetProcAddress("glDebugMessageInsertKHR"));
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glDebugMessageCallbackKHR = (PFNGLDEBUGMESSAGECALLBACKKHRPROC)((void*)eglGetProcAddress("glDebugMessageCallbackKHR"));
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glDebugMessageLogKHR = (PFNGLGETDEBUGMESSAGELOGKHRPROC)((void*)eglGetProcAddress("glDebugMessageLogKHR"));
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glGetPointervKHR = (PFNGLGETPOINTERVKHRPROC)((void*)eglGetProcAddress("glGetPointervKHR"));
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glPushDebugGroupKHR = (PFNGLPUSHDEBUGGROUPKHRPROC)((void*)eglGetProcAddress("glPushDebugGroupKHR"));
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glPopDebugGroupKHR = (PFNGLPOPDEBUGGROUPKHRPROC)((void*)eglGetProcAddress("glPopDebugGroupKHR"));
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glObjectLabelKHR = (PFNGLOBJECTLABELKHRPROC)((void*)eglGetProcAddress("glObjectLabelKHR"));
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glGetObjectLabelKHR = (PFNGLGETOBJECTLABELKHRPROC)((void*)eglGetProcAddress("glGetObjectLabelKHR"));
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glObjectPtrLabelKHR = (PFNGLOBJECTPTRLABELKHRPROC)((void*)eglGetProcAddress("glObjectPtrLabelKHR"));
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glGetObjectPtrLabelKHR = (PFNGLGETOBJECTPTRLABELKHRPROC)((void*)eglGetProcAddress("glGetObjectPtrLabelKHR"));
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glGetProgramBinary = (PFNGLGETPROGRAMBINARYOESPROC)((void*)eglGetProcAddress("glGetProgramBinaryOES"));
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glProgramBinary = (PFNGLPROGRAMBINARYOESPROC)((void*)eglGetProcAddress("glProgramBinaryOES"));
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}
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FPlatformOpenGLContext* PlatformCreateOpenGLContext(FPlatformOpenGLDevice* Device, void* InWindowHandle)
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{
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//Assumes Device is already initialized and context already created.
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return AndroidEGL::GetInstance()->GetRenderingContext();
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}
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void PlatformDestroyOpenGLContext(FPlatformOpenGLDevice* Device, FPlatformOpenGLContext* Context)
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{
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delete Device; //created here, destroyed here, but held by RHI.
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}
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FRHITexture* PlatformCreateBuiltinBackBuffer(FOpenGLDynamicRHI* OpenGLRHI, uint32 SizeX, uint32 SizeY)
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{
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uint32 Flags = TexCreate_RenderTargetable;
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FOpenGLTexture2D* Texture2D = new FOpenGLTexture2D(OpenGLRHI, AndroidEGL::GetInstance()->GetOnScreenColorRenderBuffer(), GL_RENDERBUFFER, GL_COLOR_ATTACHMENT0, SizeX, SizeY, 0, 1, 1, 1, 1, PF_B8G8R8A8, false, false, Flags, nullptr, FClearValueBinding::Transparent);
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OpenGLTextureAllocated(Texture2D, Flags);
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return Texture2D;
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}
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void PlatformResizeGLContext( FPlatformOpenGLDevice* Device, FPlatformOpenGLContext* Context, uint32 SizeX, uint32 SizeY, bool bFullscreen, bool bWasFullscreen, GLenum BackBufferTarget, GLuint BackBufferResource)
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{
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check(Context);
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glViewport(0, 0, SizeX, SizeY);
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VERIFY_GL(glViewport);
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}
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void PlatformGetSupportedResolution(uint32 &Width, uint32 &Height)
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{
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}
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bool PlatformGetAvailableResolutions(FScreenResolutionArray& Resolutions, bool bIgnoreRefreshRate)
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{
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return true;
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}
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int32 PlatformGlGetError()
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{
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return glGetError();
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}
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// =============================================================
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void PlatformReleaseOcclusionQuery( GLuint Query, uint64 QueryContext )
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{
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}
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void FPlatformOpenGLDevice::SetCurrentSharedContext()
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{
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AndroidEGL::GetInstance()->SetCurrentSharedContext();
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}
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void PlatformDestroyOpenGLDevice(FPlatformOpenGLDevice* Device)
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{
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delete Device;
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}
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void FPlatformOpenGLDevice::SetCurrentRenderingContext()
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{
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AndroidEGL::GetInstance()->SetCurrentRenderingContext();
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}
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void PlatformLabelObjects()
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{
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// @todo: Check that there is a valid id (non-zero) as LabelObject will fail otherwise
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GLuint RenderBuffer = AndroidEGL::GetInstance()->GetOnScreenColorRenderBuffer();
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if (RenderBuffer != 0)
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{
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FOpenGL::LabelObject(GL_RENDERBUFFER, RenderBuffer, "OnScreenColorRB");
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}
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GLuint FrameBuffer = AndroidEGL::GetInstance()->GetResolveFrameBuffer();
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if (FrameBuffer != 0)
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{
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FOpenGL::LabelObject(GL_FRAMEBUFFER, FrameBuffer, "ResolveFB");
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}
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}
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//--------------------------------
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void PlatformGetNewRenderQuery( GLuint* OutQuery, uint64* OutQueryContext )
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{
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GLuint NewQuery = 0;
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FOpenGL::GenQueries( 1, &NewQuery );
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*OutQuery = NewQuery;
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*OutQueryContext = 0;
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}
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void PlatformReleaseRenderQuery( GLuint Query, uint64 QueryContext )
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{
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FOpenGL::DeleteQueries(1, &Query );
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}
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bool FAndroidOpenGL::bUseHalfFloatTexStorage = false;
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bool FAndroidOpenGL::bSupportsTextureBuffer = false;
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bool FAndroidOpenGL::bUseES30ShadingLanguage = false;
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bool FAndroidOpenGL::bES30Support = false;
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bool FAndroidOpenGL::bES31Support = false;
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bool FAndroidOpenGL::bSupportsInstancing = false;
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bool FAndroidOpenGL::bHasHardwareHiddenSurfaceRemoval = false;
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bool FAndroidOpenGL::bSupportsMobileMultiView = false;
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GLint FAndroidOpenGL::MaxMSAASamplesTileMem = 1;
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FAndroidOpenGL::EFeatureLevelSupport FAndroidOpenGL::CurrentFeatureLevelSupport = FAndroidOpenGL::EFeatureLevelSupport::Invalid;
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void FAndroidOpenGL::ProcessExtensions(const FString& ExtensionsString)
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{
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FOpenGLES2::ProcessExtensions(ExtensionsString);
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FString VersionString = FString(ANSI_TO_TCHAR((const ANSICHAR*)glGetString(GL_VERSION)));
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FString SubVersionString;
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bES30Support = VersionString.Split(TEXT("OpenGL ES 3."), nullptr, &SubVersionString);
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bES31Support = bES30Support && FCString::Atoi(*SubVersionString) >= 1;
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// Get procedures
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if (bSupportsOcclusionQueries || bSupportsDisjointTimeQueries)
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{
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glGenQueriesEXT = (PFNGLGENQUERIESEXTPROC) ((void*)eglGetProcAddress("glGenQueriesEXT"));
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glDeleteQueriesEXT = (PFNGLDELETEQUERIESEXTPROC) ((void*)eglGetProcAddress("glDeleteQueriesEXT"));
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glIsQueryEXT = (PFNGLISQUERYEXTPROC) ((void*)eglGetProcAddress("glIsQueryEXT"));
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glBeginQueryEXT = (PFNGLBEGINQUERYEXTPROC) ((void*)eglGetProcAddress("glBeginQueryEXT"));
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glEndQueryEXT = (PFNGLENDQUERYEXTPROC) ((void*)eglGetProcAddress("glEndQueryEXT"));
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glGetQueryivEXT = (PFNGLGETQUERYIVEXTPROC) ((void*)eglGetProcAddress("glGetQueryivEXT"));
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glGetQueryObjectivEXT = (PFNGLGETQUERYOBJECTIVEXTPROC) ((void*)eglGetProcAddress("glGetQueryObjectivEXT"));
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glGetQueryObjectuivEXT = (PFNGLGETQUERYOBJECTUIVEXTPROC)((void*)eglGetProcAddress("glGetQueryObjectuivEXT"));
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}
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if (bSupportsDisjointTimeQueries)
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{
|
|
glQueryCounterEXT = (PFNGLQUERYCOUNTEREXTPROC) ((void*)eglGetProcAddress("glQueryCounterEXT"));
|
|
glGetQueryObjectui64vEXT = (PFNGLGETQUERYOBJECTUI64VEXTPROC) ((void*)eglGetProcAddress("glGetQueryObjectui64vEXT"));
|
|
|
|
// If EXT_disjoint_timer_query wasn't found, NV_timer_query might be available
|
|
if (glQueryCounterEXT == NULL)
|
|
{
|
|
glQueryCounterEXT = (PFNGLQUERYCOUNTEREXTPROC)eglGetProcAddress("glQueryCounterNV");
|
|
}
|
|
if (glGetQueryObjectui64vEXT == NULL)
|
|
{
|
|
glGetQueryObjectui64vEXT = (PFNGLGETQUERYOBJECTUI64VEXTPROC)eglGetProcAddress("glGetQueryObjectui64vNV");
|
|
}
|
|
}
|
|
|
|
glDiscardFramebufferEXT = (PFNGLDISCARDFRAMEBUFFEREXTPROC)((void*)eglGetProcAddress("glDiscardFramebufferEXT"));
|
|
glPushGroupMarkerEXT = (PFNGLPUSHGROUPMARKEREXTPROC)((void*)eglGetProcAddress("glPushGroupMarkerEXT"));
|
|
glPopGroupMarkerEXT = (PFNGLPOPGROUPMARKEREXTPROC)((void*)eglGetProcAddress("glPopGroupMarkerEXT"));
|
|
glLabelObjectEXT = (PFNGLLABELOBJECTEXTPROC)((void*)eglGetProcAddress("glLabelObjectEXT"));
|
|
glGetObjectLabelEXT = (PFNGLGETOBJECTLABELEXTPROC)((void*)eglGetProcAddress("glGetObjectLabelEXT"));
|
|
|
|
if (ExtensionsString.Contains(TEXT("GL_EXT_multisampled_render_to_texture")))
|
|
{
|
|
glFramebufferTexture2DMultisampleEXT = (PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC)((void*)eglGetProcAddress("glFramebufferTexture2DMultisampleEXT"));
|
|
glRenderbufferStorageMultisampleEXT = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC)((void*)eglGetProcAddress("glRenderbufferStorageMultisampleEXT"));
|
|
glGetIntegerv(GL_MAX_SAMPLES_EXT, &MaxMSAASamplesTileMem);
|
|
MaxMSAASamplesTileMem = FMath::Max<GLint>(MaxMSAASamplesTileMem, 1);
|
|
UE_LOG(LogRHI, Log, TEXT("Support for %dx MSAA detected"), MaxMSAASamplesTileMem);
|
|
}
|
|
else
|
|
{
|
|
// indicates RHI supports on-chip MSAA but this device does not.
|
|
MaxMSAASamplesTileMem = 1;
|
|
}
|
|
|
|
bSupportsETC2 = bES30Support;
|
|
bUseES30ShadingLanguage = bES30Support;
|
|
|
|
FString RendererString = FString(ANSI_TO_TCHAR((const ANSICHAR*)glGetString(GL_RENDERER)));
|
|
|
|
if (RendererString.Contains(TEXT("SGX 540")))
|
|
{
|
|
UE_LOG(LogRHI, Warning, TEXT("Disabling support for GL_OES_packed_depth_stencil on SGX 540"));
|
|
bSupportsPackedDepthStencil = false;
|
|
bRequiresTexture2DPrecisionHack = true;
|
|
}
|
|
|
|
const bool bIsPoverVRBased = RendererString.Contains(TEXT("PowerVR"));
|
|
if (bIsPoverVRBased)
|
|
{
|
|
bHasHardwareHiddenSurfaceRemoval = true;
|
|
UE_LOG(LogRHI, Log, TEXT("Enabling support for Hidden Surface Removal on PowerVR"));
|
|
}
|
|
|
|
const bool bIsAdrenoBased = RendererString.Contains(TEXT("Adreno"));
|
|
if (bIsAdrenoBased)
|
|
{
|
|
// This is to avoid a bug in Adreno drivers that define GL_EXT_shader_framebuffer_fetch even when device does not support this extension
|
|
// OpenGL ES 3.1 V@127.0 (GIT@I1af360237c)
|
|
bRequiresShaderFramebufferFetchUndef = !bSupportsShaderFramebufferFetch;
|
|
bRequiresARMShaderFramebufferFetchDepthStencilUndef = !bSupportsShaderDepthStencilFetch;
|
|
|
|
// Adreno 2xx doesn't work with packed depth stencil enabled
|
|
if (RendererString.Contains(TEXT("Adreno (TM) 2")))
|
|
{
|
|
UE_LOG(LogRHI, Warning, TEXT("Disabling support for GL_OES_packed_depth_stencil on Adreno 2xx"));
|
|
bSupportsPackedDepthStencil = false;
|
|
}
|
|
}
|
|
|
|
if (bES30Support)
|
|
{
|
|
glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDPROC)((void*)eglGetProcAddress("glDrawElementsInstanced"));
|
|
glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDPROC)((void*)eglGetProcAddress("glDrawArraysInstanced"));
|
|
glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISORPROC)((void*)eglGetProcAddress("glVertexAttribDivisor"));
|
|
glUniform4uiv = (PFNGLUNIFORM4UIVPROC)((void*)eglGetProcAddress("glUniform4uiv"));
|
|
glTexImage3D = (PFNGLTEXIMAGE3DPROC)((void*)eglGetProcAddress("glTexImage3D"));
|
|
glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)((void*)eglGetProcAddress("glTexSubImage3D"));
|
|
glCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC)((void*)eglGetProcAddress("glCompressedTexImage3D"));
|
|
glCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)((void*)eglGetProcAddress("glCompressedTexSubImage3D"));
|
|
glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC)((void*)eglGetProcAddress("glCopyTexSubImage3D"));
|
|
glClearBufferfi = (PFNGLCLEARBUFFERFIPROC)((void*)eglGetProcAddress("glClearBufferfi"));
|
|
glClearBufferfv = (PFNGLCLEARBUFFERFVPROC)((void*)eglGetProcAddress("glClearBufferfv"));
|
|
glClearBufferiv = (PFNGLCLEARBUFFERIVPROC)((void*)eglGetProcAddress("glClearBufferiv"));
|
|
glClearBufferuiv = (PFNGLCLEARBUFFERUIVPROC)((void*)eglGetProcAddress("glClearBufferuiv"));
|
|
glDrawBuffers = (PFNGLDRAWBUFFERSPROC)((void*)eglGetProcAddress("glDrawBuffers"));
|
|
|
|
|
|
glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC)((void*)eglGetProcAddress("glBindBufferRange"));
|
|
glBindBufferBase = (PFNGLBINDBUFFERBASEPROC)((void*)eglGetProcAddress("glBindBufferBase"));
|
|
glGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC)((void*)eglGetProcAddress("glGetUniformBlockIndex"));
|
|
glUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC)((void*)eglGetProcAddress("glUniformBlockBinding"));
|
|
glVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC)((void*)eglGetProcAddress("glVertexAttribIPointer"));
|
|
|
|
|
|
// Required by the ES3 spec
|
|
bSupportsInstancing = true;
|
|
bSupportsTextureFloat = true;
|
|
bSupportsTextureHalfFloat = true;
|
|
bSupportsRGB10A2 = true;
|
|
bSupportsVertexHalfFloat = true;
|
|
|
|
// According to https://www.khronos.org/registry/gles/extensions/EXT/EXT_color_buffer_float.txt
|
|
bSupportsColorBufferHalfFloat = (bSupportsColorBufferHalfFloat || bSupportsColorBufferFloat);
|
|
}
|
|
|
|
if (bES30Support)
|
|
{
|
|
// Mobile multi-view setup
|
|
const bool bMultiViewSupport = ExtensionsString.Contains(TEXT("GL_OVR_multiview"));
|
|
const bool bMultiView2Support = ExtensionsString.Contains(TEXT("GL_OVR_multiview2"));
|
|
const bool bMultiViewMultiSampleSupport = ExtensionsString.Contains(TEXT("GL_OVR_multiview_multisampled_render_to_texture"));
|
|
if (bMultiViewSupport && bMultiView2Support && bMultiViewMultiSampleSupport)
|
|
{
|
|
glFramebufferTextureMultiviewOVR = (PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC)((void*)eglGetProcAddress("glFramebufferTextureMultiviewOVR"));
|
|
glFramebufferTextureMultisampleMultiviewOVR = (PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC)((void*)eglGetProcAddress("glFramebufferTextureMultisampleMultiviewOVR"));
|
|
|
|
bSupportsMobileMultiView = (glFramebufferTextureMultiviewOVR != NULL) && (glFramebufferTextureMultisampleMultiviewOVR != NULL);
|
|
|
|
// Just because the driver declares multi-view support and hands us valid function pointers doesn't actually guarantee the feature works...
|
|
if (bSupportsMobileMultiView)
|
|
{
|
|
UE_LOG(LogRHI, Log, TEXT("Device supports mobile multi-view."));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bES31Support)
|
|
{
|
|
bSupportsTextureBuffer = ExtensionsString.Contains(TEXT("GL_EXT_texture_buffer"));
|
|
if (bSupportsTextureBuffer)
|
|
{
|
|
glTexBufferEXT = (PFNGLTEXBUFFEREXTPROC)((void*)eglGetProcAddress("glTexBufferEXT"));
|
|
}
|
|
}
|
|
|
|
if (bES30Support || bIsAdrenoBased)
|
|
{
|
|
// Attempt to find ES 3.0 glTexStorage2D if we're on an ES 3.0 device
|
|
glTexStorage2D = (PFNGLTEXSTORAGE2DPROC)((void*)eglGetProcAddress("glTexStorage2D"));
|
|
if( glTexStorage2D != NULL )
|
|
{
|
|
bUseHalfFloatTexStorage = true;
|
|
}
|
|
else
|
|
{
|
|
// need to disable GL_EXT_color_buffer_half_float support because we have no way to allocate the storage and the driver doesn't work without it.
|
|
UE_LOG(LogRHI,Warning,TEXT("Disabling support for GL_EXT_color_buffer_half_float as we cannot bind glTexStorage2D"));
|
|
bSupportsColorBufferHalfFloat = false;
|
|
}
|
|
}
|
|
|
|
//@todo android: need GMSAAAllowed ?
|
|
if (bSupportsNVFrameBufferBlit)
|
|
{
|
|
glBlitFramebufferNV = (PFNBLITFRAMEBUFFERNVPROC)((void*)eglGetProcAddress("glBlitFramebufferNV"));
|
|
}
|
|
|
|
glMapBufferOESa = (PFNGLMAPBUFFEROESPROC)((void*)eglGetProcAddress("glMapBufferOES"));
|
|
glUnmapBufferOESa = (PFNGLUNMAPBUFFEROESPROC)((void*)eglGetProcAddress("glUnmapBufferOES"));
|
|
|
|
//On Android, there are problems compiling shaders with textureCubeLodEXT calls in the glsl code,
|
|
// so we set this to false to modify the glsl manually at compile-time.
|
|
bSupportsTextureCubeLodEXT = false;
|
|
|
|
// On some Android devices with Mali GPUs textureCubeLod is not available.
|
|
if (RendererString.Contains(TEXT("Mali-400")))
|
|
{
|
|
bSupportsShaderTextureCubeLod = false;
|
|
}
|
|
|
|
// Nexus 5 (Android 4.4.2) doesn't like glVertexAttribDivisor(index, 0) called when not using a glDrawElementsInstanced
|
|
if (bIsAdrenoBased && VersionString.Contains(TEXT("OpenGL ES 3.0 V@66.0 AU@ (CL@)")))
|
|
{
|
|
UE_LOG(LogRHI, Warning, TEXT("Disabling support for hardware instancing on Adreno 330 OpenGL ES 3.0 V@66.0 AU@ (CL@)"));
|
|
bSupportsInstancing = false;
|
|
}
|
|
|
|
// PowerVR Rogue doesn't like glVertexAttribIPointer so disable it
|
|
if (bIsPoverVRBased && bES30Support)
|
|
{
|
|
if (RendererString.Contains(TEXT("Rogue")))
|
|
{
|
|
glVertexAttribIPointer = nullptr;
|
|
UE_LOG(LogRHI, Warning, TEXT("Disabling glVertexAttribIPointer on PowerVR Rogue"));
|
|
}
|
|
}
|
|
|
|
if (bSupportsBGRA8888)
|
|
{
|
|
// Check whether device supports BGRA as color attachment
|
|
GLuint FrameBuffer;
|
|
glGenFramebuffers(1, &FrameBuffer);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, FrameBuffer);
|
|
GLuint BGRA8888Texture;
|
|
glGenTextures(1, &BGRA8888Texture);
|
|
glBindTexture(GL_TEXTURE_2D, BGRA8888Texture);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT, 256, 256, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, BGRA8888Texture, 0);
|
|
|
|
bSupportsBGRA8888RenderTarget = (glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
|
|
|
|
glDeleteTextures(1, &BGRA8888Texture);
|
|
glDeleteFramebuffers(1, &FrameBuffer);
|
|
}
|
|
}
|
|
|
|
|
|
FString FAndroidMisc::GetGPUFamily()
|
|
{
|
|
return FAndroidGPUInfo::Get().GPUFamily;
|
|
}
|
|
|
|
FString FAndroidMisc::GetGLVersion()
|
|
{
|
|
return FAndroidGPUInfo::Get().GLVersion;
|
|
}
|
|
|
|
bool FAndroidMisc::SupportsFloatingPointRenderTargets()
|
|
{
|
|
return FAndroidGPUInfo::Get().bSupportsFloatingPointRenderTargets;
|
|
}
|
|
|
|
bool FAndroidMisc::SupportsShaderFramebufferFetch()
|
|
{
|
|
return FAndroidGPUInfo::Get().bSupportsFrameBufferFetch;
|
|
}
|
|
|
|
bool FAndroidMisc::SupportsES30()
|
|
{
|
|
return FAndroidGPUInfo::Get().bES30Support;
|
|
}
|
|
|
|
bool FAndroidMisc::SupportsShaderIOBlocks()
|
|
{
|
|
return FAndroidGPUInfo::Get().bSupportsShaderIOBlocks;
|
|
}
|
|
|
|
void FAndroidMisc::GetValidTargetPlatforms(TArray<FString>& TargetPlatformNames)
|
|
{
|
|
TargetPlatformNames = FAndroidGPUInfo::Get().TargetPlatformNames;
|
|
}
|
|
|
|
void FAndroidAppEntry::PlatformInit()
|
|
{
|
|
// create an ES2 EGL here for gpu queries.
|
|
AndroidEGL::GetInstance()->Init(AndroidEGL::AV_OpenGLES, 2, 0, false);
|
|
}
|
|
|
|
void FAndroidAppEntry::ReleaseEGL()
|
|
{
|
|
AndroidEGL* EGL = AndroidEGL::GetInstance();
|
|
if (EGL->IsInitialized())
|
|
{
|
|
EGL->DestroyBackBuffer();
|
|
EGL->Terminate();
|
|
}
|
|
}
|
|
|
|
#endif
|