Merging r5975 through r6036 from trunk to ogl-es branch.
GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
273
source/Irrlicht/CEAGLManager.mm
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273
source/Irrlicht/CEAGLManager.mm
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// Copyright (C) 2015 Patryk Nadrowski
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#include "CEAGLManager.h"
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#ifdef _IRR_COMPILE_WITH_EAGL_MANAGER_
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#include "irrString.h"
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#include "os.h"
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#import <UIKit/UIKit.h>
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#import <OpenGLES/EAGL.h>
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#if defined(_IRR_COMPILE_WITH_OGLES1_)
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#include <OpenGLES/ES1/gl.h>
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#include <OpenGLES/ES1/glext.h>
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#elif defined(_IRR_COMPILE_WITH_OGLES2_)
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#include <OpenGLES/ES2/gl.h>
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#include <OpenGLES/ES2/glext.h>
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#endif
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namespace irr
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{
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namespace video
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{
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struct SEAGLManagerDataStorage
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{
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SEAGLManagerDataStorage() : Layer(0), Context(0)
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{
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}
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CAEAGLLayer* Layer;
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EAGLContext* Context;
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};
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CEAGLManager::CEAGLManager() : IContextManager(), Configured(false), DataStorage(0)
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{
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#ifdef _DEBUG
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setDebugName("CEAGLManager");
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#endif
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DataStorage = new SEAGLManagerDataStorage();
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}
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CEAGLManager::~CEAGLManager()
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{
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destroyContext();
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destroySurface();
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terminate();
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delete static_cast<SEAGLManagerDataStorage*>(DataStorage);
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}
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bool CEAGLManager::initialize(const SIrrlichtCreationParameters& params, const SExposedVideoData& data)
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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if (dataStorage->Layer != nil)
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return true;
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Params = params;
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Data = data;
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UIView* view = (__bridge UIView*)data.OpenGLiOS.View;
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if (view == nil || ![[view layer] isKindOfClass:[CAEAGLLayer class]])
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{
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os::Printer::log("Could not get EAGL display.");
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return false;
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}
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dataStorage->Layer = (CAEAGLLayer*)[view layer];
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return true;
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}
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void CEAGLManager::terminate()
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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[EAGLContext setCurrentContext:0];
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destroySurface();
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if (dataStorage->Layer != nil)
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dataStorage->Layer = 0;
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}
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bool CEAGLManager::generateSurface()
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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CAEAGLLayer* layer = dataStorage->Layer;
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if (layer == nil)
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return false;
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if (Configured)
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return true;
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NSDictionary* attribs = [NSDictionary dictionaryWithObjectsAndKeys:
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[NSNumber numberWithBool:NO],
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kEAGLDrawablePropertyRetainedBacking,
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(Params.Bits > 16) ? kEAGLColorFormatRGBA8 : kEAGLColorFormatRGB565,
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kEAGLDrawablePropertyColorFormat,
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nil];
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[layer setOpaque:(Params.WithAlphaChannel) ? YES : NO];
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[layer setDrawableProperties:attribs];
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Configured = true;
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return true;
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}
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void CEAGLManager::destroySurface()
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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CAEAGLLayer* layer = dataStorage->Layer;
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if (layer == nil)
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return;
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[layer setOpaque:NO];
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[layer setDrawableProperties:nil];
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Configured = false;
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}
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bool CEAGLManager::generateContext()
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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if (dataStorage->Context != nil || !Configured)
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return false;
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EAGLRenderingAPI OpenGLESVersion = kEAGLRenderingAPIOpenGLES2;
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switch (Params.DriverType)
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{
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case EDT_OGLES1:
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OpenGLESVersion = kEAGLRenderingAPIOpenGLES1;
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break;
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case EDT_OGLES2:
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OpenGLESVersion = kEAGLRenderingAPIOpenGLES2;
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break;
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default:
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break;
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}
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dataStorage->Context = [[EAGLContext alloc] initWithAPI:OpenGLESVersion];
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if (dataStorage->Context == nil)
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{
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os::Printer::log("Could not create EAGL context.", ELL_ERROR);
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return false;
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}
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Data.OpenGLiOS.Context = (__bridge void*)dataStorage->Context;
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os::Printer::log("EAGL context created with OpenGLESVersion: ", core::stringc(static_cast<int>(OpenGLESVersion)), ELL_DEBUG);
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return true;
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}
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void CEAGLManager::destroyContext()
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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[dataStorage->Context renderbufferStorage:GL_RENDERBUFFER_OES fromDrawable:nil];
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if (FrameBuffer.BufferID != 0)
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{
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glDeleteFramebuffersOES(1, &FrameBuffer.BufferID);
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FrameBuffer.BufferID = 0;
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}
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if (FrameBuffer.ColorBuffer != 0)
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{
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glDeleteRenderbuffersOES(1, &FrameBuffer.ColorBuffer);
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FrameBuffer.ColorBuffer = 0;
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}
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if (FrameBuffer.DepthBuffer != 0)
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{
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glDeleteRenderbuffersOES(1, &FrameBuffer.DepthBuffer);
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FrameBuffer.DepthBuffer = 0;
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}
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[EAGLContext setCurrentContext:0];
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if (dataStorage->Context != nil)
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dataStorage->Context = 0;
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Data.OpenGLiOS.Context = 0;
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}
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bool CEAGLManager::activateContext(const SExposedVideoData& videoData)
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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EAGLContext* context = dataStorage->Context;
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bool status = false;
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if (context != nil)
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{
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status = ([EAGLContext currentContext] == context || [EAGLContext setCurrentContext:context]);
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}
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if (status)
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{
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if (FrameBuffer.ColorBuffer == 0)
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{
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glGenRenderbuffersOES(1, &FrameBuffer.ColorBuffer);
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glBindRenderbufferOES(GL_RENDERBUFFER_OES, FrameBuffer.ColorBuffer);
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[context renderbufferStorage:GL_RENDERBUFFER_OES fromDrawable:dataStorage->Layer];
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}
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if (FrameBuffer.DepthBuffer == 0)
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{
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GLenum depth = (Params.ZBufferBits >= 24) ? GL_DEPTH_COMPONENT24_OES : GL_DEPTH_COMPONENT16_OES;
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glGenRenderbuffersOES(1, &FrameBuffer.DepthBuffer);
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glBindRenderbufferOES(GL_RENDERBUFFER_OES, FrameBuffer.DepthBuffer);
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glRenderbufferStorageOES(GL_RENDERBUFFER_OES, depth, Params.WindowSize.Width, Params.WindowSize.Height);
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}
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if (FrameBuffer.BufferID == 0)
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{
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glGenFramebuffersOES(1, &FrameBuffer.BufferID);
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glBindFramebufferOES(GL_FRAMEBUFFER_OES, FrameBuffer.BufferID);
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glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, FrameBuffer.ColorBuffer);
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glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, FrameBuffer.DepthBuffer);
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}
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glBindFramebufferOES(GL_FRAMEBUFFER_OES, FrameBuffer.BufferID);
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}
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else
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{
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os::Printer::log("Could not make EGL context current.");
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}
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return status;
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}
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const SExposedVideoData& CEAGLManager::getContext() const
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{
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return Data;
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}
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bool CEAGLManager::swapBuffers()
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{
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SEAGLManagerDataStorage* dataStorage = static_cast<SEAGLManagerDataStorage*>(DataStorage);
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EAGLContext* context = dataStorage->Context;
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bool status = false;
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if (context != nil && context == [EAGLContext currentContext])
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{
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glBindRenderbufferOES(GL_RENDERBUFFER_OES, FrameBuffer.ColorBuffer);
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[context presentRenderbuffer:GL_RENDERBUFFER_OES];
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status = true;
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}
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return status;
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}
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}
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}
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#endif
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