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GLES3 now working on iOS, tried to maintain support for have bother gles2 and gles3, allowed avfoundation to be added on iOS, improved iOS example cmake generation

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This commit is contained in:
Thomas Hogarth 2017-03-18 06:53:32 +00:00
parent 1deaac7508
commit c7af72daae
9 changed files with 298 additions and 99 deletions
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17
CMakeLists.txt
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@ -239,8 +239,8 @@ IF(APPLE)
IF(OSG_BUILD_PLATFORM_IPHONE OR OSG_BUILD_PLATFORM_IPHONE_SIMULATOR) IF(OSG_BUILD_PLATFORM_IPHONE OR OSG_BUILD_PLATFORM_IPHONE_SIMULATOR)
#you need to manually set the default sdk version here #you need to manually set the default sdk version here
SET (IPHONE_SDKVER "6.0" CACHE STRING "IOS SDK-Version") SET (IPHONE_SDKVER "10.2" CACHE STRING "IOS SDK-Version")
SET (IPHONE_VERSION_MIN "4.2" CACHE STRING "IOS minimum os version, use 7.0 or greater to get 64bit support") SET (IPHONE_VERSION_MIN "7.0" CACHE STRING "IOS minimum os version, use 7.0 or greater to get 64bit support")
#the below is taken from ogre, it states the gcc stuff needs to happen before PROJECT() is called. I've no clue if we even need it #the below is taken from ogre, it states the gcc stuff needs to happen before PROJECT() is called. I've no clue if we even need it
# Force gcc <= 4.2 on iPhone # Force gcc <= 4.2 on iPhone
@ -499,6 +499,8 @@ ENDIF()
IF ((OPENGL_PROFILE STREQUAL "GLES2")) IF ((OPENGL_PROFILE STREQUAL "GLES2"))
OPTION(OSG_GLES2_AVAILABLE "Set to OFF to disable use of OpenGL ES 2.x functions library." ON ) OPTION(OSG_GLES2_AVAILABLE "Set to OFF to disable use of OpenGL ES 2.x functions library." ON )
ELSEIF ((OPENGL_PROFILE STREQUAL "GLES3")) ELSEIF ((OPENGL_PROFILE STREQUAL "GLES3"))
OPTION(OSG_GLES3_AVAILABLE "Set to OFF to disable use of OpenGL ES 3.x functions library." ON )
ELSEIF ((OPENGL_PROFILE STREQUAL "GLES2+GLES3"))
OPTION(OSG_GLES2_AVAILABLE "Set to OFF to disable use of OpenGL ES 2.x functions library." ON ) OPTION(OSG_GLES2_AVAILABLE "Set to OFF to disable use of OpenGL ES 2.x functions library." ON )
OPTION(OSG_GLES3_AVAILABLE "Set to OFF to disable use of OpenGL ES 3.x functions library." ON ) OPTION(OSG_GLES3_AVAILABLE "Set to OFF to disable use of OpenGL ES 3.x functions library." ON )
ELSE() ELSE()
@ -510,7 +512,7 @@ ENDIF()
OPTION(OSG_GL_LIBRARY_STATIC "Set to ON to statically link with OpenGL/GLES library." OFF) OPTION(OSG_GL_LIBRARY_STATIC "Set to ON to statically link with OpenGL/GLES library." OFF)
# Map the OSG_GL*_AVAILABLE settings to OSG_GL_* settings # Map the OSG_GL*_AVAILABLE settings to OSG_GL_* settings
IF (OSG_GLES2_AVAILABLE OR OSG_GL3_AVAILABLE) IF (OSG_GLES2_AVAILABLE OR OSG_GLES3_AVAILABLE OR OSG_GL3_AVAILABLE)
OPTION(OSG_GL_DISPLAYLISTS_AVAILABLE "Set to OFF to disable use of OpenGL display lists." OFF) OPTION(OSG_GL_DISPLAYLISTS_AVAILABLE "Set to OFF to disable use of OpenGL display lists." OFF)
OPTION(OSG_GL_MATRICES_AVAILABLE "Set to OFF to disable use of OpenGL built-in matrices." OFF) OPTION(OSG_GL_MATRICES_AVAILABLE "Set to OFF to disable use of OpenGL built-in matrices." OFF)
OPTION(OSG_GL_VERTEX_FUNCS_AVAILABLE "Set to OFF to disable use of OpenGL vertex functions such as glVertex/glColor etc." OFF) OPTION(OSG_GL_VERTEX_FUNCS_AVAILABLE "Set to OFF to disable use of OpenGL vertex functions such as glVertex/glColor etc." OFF)
@ -530,7 +532,7 @@ ELSE()
OPTION(OSG_GL_FIXED_FUNCTION_AVAILABLE "Set to OFF to disable use of OpenGL fixed function pipeline." ON) OPTION(OSG_GL_FIXED_FUNCTION_AVAILABLE "Set to OFF to disable use of OpenGL fixed function pipeline." ON)
ENDIF() ENDIF()
IF (OSG_GLES1_AVAILABLE OR OSG_GLES2_AVAILABLE) IF (OSG_GLES1_AVAILABLE OR OSG_GLES2_AVAILABLE OR OSG_GLES3_AVAILABLE)
OPTION(OSG_CPP_EXCEPTIONS_AVAILABLE "Set to OFF to disable compile of OSG components that use C++ exceptions." OFF) OPTION(OSG_CPP_EXCEPTIONS_AVAILABLE "Set to OFF to disable compile of OSG components that use C++ exceptions." OFF)
ELSE() ELSE()
OPTION(OSG_CPP_EXCEPTIONS_AVAILABLE "Set to OFF to disable compile of OSG components that use C++ exceptions." ON) OPTION(OSG_CPP_EXCEPTIONS_AVAILABLE "Set to OFF to disable compile of OSG components that use C++ exceptions." ON)
@ -641,6 +643,13 @@ IF(ANDROID)
FIND_LIBRARY(OPENGL_gl_LIBRARY GLESv2 FIND_LIBRARY(OPENGL_gl_LIBRARY GLESv2
PATHS PATHS
${ANDROID_SYSROOT}/usr/lib) ${ANDROID_SYSROOT}/usr/lib)
ELSEIF(OSG_GLES3_AVAILABLE)
FIND_PATH(OPENGL_INCLUDE_DIR GLES3/gl3.h
PATHS
${ANDROID_SYSROOT}/usr/include)
FIND_LIBRARY(OPENGL_gl_LIBRARY GLESv3
PATHS
${ANDROID_SYSROOT}/usr/lib)
ENDIF() ENDIF()
ENDIF() ENDIF()

8
examples/osgviewerIPhone/CMakeLists.txt
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@ -3,16 +3,20 @@ SET(TARGET_SRC
iphoneViewerAppDelegate.mm iphoneViewerAppDelegate.mm
main.m main.m
osgPlugins.h osgPlugins.h
shaders.h
osgIPhoneViewer-Info.plist osgIPhoneViewer-Info.plist
) )
SET(TARGET_ADDED_LIBRARIES osgdb_osg osgdb_imageio) # osgdb_avfoundation doesn't seem to get added on iOS? SET(TARGET_ADDED_LIBRARIES osgdb_osg osgdb_imageio osgdb_avfoundation)
#backup setting #backup setting
SET(TMP_OSG_BUILD_APPLICATION_BUNDLES {$OSG_BUILD_APPLICATION_BUNDLES}) SET(TMP_OSG_BUILD_APPLICATION_BUNDLES {$OSG_BUILD_APPLICATION_BUNDLES})
SET(OSG_BUILD_APPLICATION_BUNDLES TRUE) SET(OSG_BUILD_APPLICATION_BUNDLES TRUE)
SET(MACOSX_DEPLOYMENT_TARGET, ${IPHONE_VERSION_MIN})
SETUP_EXAMPLE(osgViewerIPhone) SETUP_EXAMPLE(osgViewerIPhone)
SET_TARGET_PROPERTIES(example_osgViewerIPhone PROPERTIES XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "iPhone Developer") SET_TARGET_PROPERTIES(example_osgViewerIPhone PROPERTIES XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "iPhone Developer"
XCODE_ATTRIBUTE_IPHONEOS_DEPLOYMENT_TARGET ${IPHONE_VERSION_MIN}
XCODE_ATTRIBUTE_TARGETED_DEVICE_FAMILY "1,2")
#restore setting #restore setting
SET(OSG_BUILD_APPLICATION_BUNDLES {$TMP_OSG_BUILD_APPLICATION_BUNDLES}) SET(OSG_BUILD_APPLICATION_BUNDLES {$TMP_OSG_BUILD_APPLICATION_BUNDLES})

150
examples/osgviewerIPhone/iphoneViewerAppDelegate.mm
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@ -1,17 +1,25 @@
// Created by Thomas Hogarth 2009 // Created by Thomas Hogarth 2009
// cleaned up by Stephan Huber 2013 // Cleaned up by Stephan Huber 2013
// Added gles3 support 2017 TH
// //
// this example will create a fullscreen window showing a grey box. You can interact with it via // this example will create a fullscreen window showing a box. You can interact with it via
// multi-touch gestures. // multi-touch gestures.
#import "iphoneViewerAppDelegate.h" #import "iphoneViewerAppDelegate.h"
#include <osgGA/MultiTouchTrackballManipulator> #include <osgGA/MultiTouchTrackballManipulator>
#include <osg/ShapeDrawable> #include <osg/ShapeDrawable>
#include <osgUtil/Optimizer>
//include the iphone specific windowing stuff //include the iphone specific windowing stuff
#include <osgViewer/api/IOS/GraphicsWindowIOS> #include <osgViewer/api/IOS/GraphicsWindowIOS>
#include "shaders.h"
// global programs
osg::ref_ptr<osg::Program> _vertColorProgram;
osg::ref_ptr<osg::Program> _textProgram;
@interface MyViewController : UIViewController @interface MyViewController : UIViewController
@ -33,10 +41,19 @@
@synthesize _window; @synthesize _window;
//
// Shape drawables sometimes use gl_quads so use this function to convert
//
void optimizeNode(osg::Node* node) {
osgUtil::Optimizer optimizer;
optimizer.optimize(node, osgUtil::Optimizer::TRISTRIP_GEOMETRY);
}
//
// create a camera to set up the projection and model view matrices, and the subgraph to draw in the HUD
//
osg::Camera* createHUD(unsigned int w, unsigned int h) osg::Camera* createHUD(unsigned int w, unsigned int h)
{ {
// create a camera to set up the projection and model view matrices, and the subgraph to draw in the HUD
osg::Camera* camera = new osg::Camera; osg::Camera* camera = new osg::Camera;
// set the projection matrix // set the projection matrix
@ -55,28 +72,25 @@ osg::Camera* createHUD(unsigned int w, unsigned int h)
// we don't want the camera to grab event focus from the viewers main camera(s). // we don't want the camera to grab event focus from the viewers main camera(s).
camera->setAllowEventFocus(false); camera->setAllowEventFocus(false);
// add to this camera a subgraph to render // add to this camera a subgraph to render
{ {
osg::Geode* geode = new osg::Geode(); osg::Geode* geode = new osg::Geode();
std::string timesFont("fonts/arial.ttf");
// turn lighting off for the text and disable depth test to ensure it's always ontop.
osg::StateSet* stateset = geode->getOrCreateStateSet();
stateset->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
osg::Vec3 position(50.0f,h-50,0.0f); osg::Vec3 position(50.0f,h-50,0.0f);
{ {
osgText::Text* text = new osgText::Text; osgText::Text* text = new osgText::Text();
geode->addDrawable( text ); text->setUseVertexBufferObjects(true);
text->setFont(0);//"fonts/arial.ttf");
text->setFont(timesFont);
text->setPosition(position); text->setPosition(position);
text->setText("A simple multi-touch-example\n1 touch = rotate, \n2 touches = drag + scale, \n3 touches = home"); text->setText("A simple multi-touch-example\n1 touch = rotate, \n2 touches = drag + scale, \n3 touches = home");
#if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
text->getOrCreateStateSet()->setAttributeAndModes(_textProgram, osg::StateAttribute::ON);
text->getOrCreateStateSet()->addUniform(new osg::Uniform("glyphTexture",0));
text->getOrCreateStateSet()->addUniform(new osg::Uniform("color", osg::Vec4(1.0f,1.0f,1.0f,1.0f)));
#endif
geode->addDrawable( text );
} }
camera->addChild(geode); camera->addChild(geode);
@ -106,24 +120,36 @@ private:
osg::Geode* geode = new osg::Geode(); osg::Geode* geode = new osg::Geode();
osg::ShapeDrawable* drawable = new osg::ShapeDrawable(new osg::Box(osg::Vec3(0,0,0), 100)); osg::ShapeDrawable* drawable = new osg::ShapeDrawable(new osg::Box(osg::Vec3(0,0,0), 100));
drawable->setUseVertexBufferObjects(true);
drawable->setDataVariance(osg::Object::DYNAMIC);
#if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
drawable->getOrCreateStateSet()->setAttributeAndModes(_vertColorProgram, osg::StateAttribute::ON);
drawable->getOrCreateStateSet()->addUniform(new osg::Uniform("color", osg::Vec4(0.5, 0.5, 0.5,1)));
optimizeNode(drawable);
#else
drawable->setColor(osg::Vec4(0.5, 0.5, 0.5,1)); drawable->setColor(osg::Vec4(0.5, 0.5, 0.5,1));
#endif
geode->addDrawable(drawable); geode->addDrawable(drawable);
ss << "Touch " << i; ss << "Touch " << i;
osgText::Text* text = new osgText::Text; osgText::Text* text = new osgText::Text;
geode->addDrawable( text ); text->setUseVertexBufferObjects(true);
drawable->setDataVariance(osg::Object::DYNAMIC); text->setFont(0); //"fonts/arial.ttf");
_drawables.push_back(drawable);
text->setFont("fonts/arial.ttf");
text->setPosition(osg::Vec3(110,0,0)); text->setPosition(osg::Vec3(110,0,0));
text->setText(ss.str());
_texts.push_back(text);
text->setDataVariance(osg::Object::DYNAMIC); text->setDataVariance(osg::Object::DYNAMIC);
text->setText(ss.str());
#if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
text->getOrCreateStateSet()->setAttributeAndModes(_textProgram, osg::StateAttribute::ON);
text->getOrCreateStateSet()->addUniform(new osg::Uniform("glyphTexture",0));
text->getOrCreateStateSet()->addUniform(new osg::Uniform("color", osg::Vec4(1.0f,1.0f,1.0f,1.0f)));
#endif
geode->addDrawable( text );
_drawables.push_back(drawable);
_texts.push_back(text);
osg::MatrixTransform* mat = new osg::MatrixTransform(); osg::MatrixTransform* mat = new osg::MatrixTransform();
mat->addChild(geode); mat->addChild(geode);
@ -133,8 +159,6 @@ private:
parent_group->addChild(mat); parent_group->addChild(mat);
} }
parent_group->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
} }
virtual bool handle (const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa, osg::Object *, osg::NodeVisitor *) virtual bool handle (const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa, osg::Object *, osg::NodeVisitor *)
@ -175,32 +199,41 @@ private:
ss << "Touch " << tp.id; ss << "Touch " << tp.id;
_texts[j]->setText(ss.str()); _texts[j]->setText(ss.str());
osg::Vec4 color;
switch (tp.phase) switch (tp.phase)
{ {
case osgGA::GUIEventAdapter::TOUCH_BEGAN: case osgGA::GUIEventAdapter::TOUCH_BEGAN:
_drawables[j]->setColor(osg::Vec4(0,1,0,1)); color = osg::Vec4(0,1,0,1);
std::cout << "touch began: " << ss.str() << std::endl;
OSG_INFO << "touch began: " << ss.str() << std::endl;
break; break;
case osgGA::GUIEventAdapter::TOUCH_MOVED: case osgGA::GUIEventAdapter::TOUCH_MOVED:
//std::cout << "touch moved: " << ss.str() << std::endl; //OSG_INFO << "touch moved: " << ss.str() << std::endl;
_drawables[j]->setColor(osg::Vec4(1,1,1,1)); color = osg::Vec4(1,1,1,1);
break; break;
case osgGA::GUIEventAdapter::TOUCH_ENDED: case osgGA::GUIEventAdapter::TOUCH_ENDED:
_drawables[j]->setColor(osg::Vec4(1,0,0,1)); color = osg::Vec4(1,0,0,1);
std::cout << "touch ended: " << ss.str() << std::endl; OSG_INFO << "touch ended: " << ss.str() << std::endl;
++num_touch_ended; ++num_touch_ended;
break; break;
case osgGA::GUIEventAdapter::TOUCH_STATIONERY: case osgGA::GUIEventAdapter::TOUCH_STATIONERY:
_drawables[j]->setColor(osg::Vec4(0.8,0.8,0.8,1)); color = osg::Vec4(0.5,0.5,0.5,1);
break; break;
default: default:
break; break;
} }
#if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
_drawables[j]->getOrCreateStateSet()->addUniform(new osg::Uniform("color", color));
#else
_drawables[j]->setColor(color);
#endif
} }
// hide unused geometry // hide unused geometry
@ -279,11 +312,11 @@ private:
osg::ref_ptr<osg::Referenced> windata = new osgViewer::GraphicsWindowIOS::WindowData(parent_view); osg::ref_ptr<osg::Referenced> windata = new osgViewer::GraphicsWindowIOS::WindowData(parent_view);
// Setup the traits parameters // Setup the traits parameters
traits->x = 50; traits->x = 0;
traits->y = 50; traits->y = 0;
traits->width = w-100; traits->width = w;
traits->height = h-100; traits->height = h;
traits->depth = 16; //keep memory down, default is currently 24 traits->depth = 16; //can be 16 or 24
traits->windowDecoration = false; traits->windowDecoration = false;
traits->doubleBuffer = true; traits->doubleBuffer = true;
traits->sharedContext = 0; traits->sharedContext = 0;
@ -301,43 +334,64 @@ private:
{ {
_viewer->getCamera()->setGraphicsContext(graphicsContext); _viewer->getCamera()->setGraphicsContext(graphicsContext);
_viewer->getCamera()->setViewport(new osg::Viewport(0, 0, traits->width, traits->height)); _viewer->getCamera()->setViewport(new osg::Viewport(0, 0, traits->width, traits->height));
_viewer->getCamera()->setProjectionMatrixAsPerspective(60.0, (double)traits->width/(double)traits->height, 0.1, 1000.0);
} }
} }
// create our default programs
#if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
_textProgram = new osg::Program();
_textProgram->addShader( new osg::Shader(osg::Shader::VERTEX, TextShaderVert));
_textProgram->addShader( new osg::Shader(osg::Shader::FRAGMENT, TextShaderFrag));
_vertColorProgram = new osg::Program();
_vertColorProgram->addShader( new osg::Shader(osg::Shader::VERTEX, ColorShaderVert));
_vertColorProgram->addShader( new osg::Shader(osg::Shader::FRAGMENT, ColorShaderFrag));
#endif
//create root //create root
_root = new osg::MatrixTransform(); _root = new osg::MatrixTransform();
_root->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF | osg::StateAttribute::OVERRIDE);
//load and attach scene model //load and attach scene model
osg::ref_ptr<osg::Node> model = (osgDB::readNodeFile("hog.osg")); osg::ref_ptr<osg::Node> model = osgDB::readNodeFile("hog.osg");
if (model) { if (!model) {
_root->addChild(model);
}
else {
osg::Geode* geode = new osg::Geode(); osg::Geode* geode = new osg::Geode();
osg::ShapeDrawable* drawable = new osg::ShapeDrawable(new osg::Box(osg::Vec3(1,1,1), 1)); osg::ShapeDrawable* drawable = new osg::ShapeDrawable(new osg::Box(osg::Vec3(0,0,0), 1));
geode->addDrawable(drawable); geode->addDrawable(drawable);
_root->addChild(geode); model = geode;
} }
// attach shader program if needed
#if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
model->getOrCreateStateSet()->setAttributeAndModes(_vertColorProgram, osg::StateAttribute::ON);
model->getOrCreateStateSet()->addUniform(new osg::Uniform("color", osg::Vec4(0.1f,0.4f,0.8f,1.0f)));
optimizeNode(model);
#endif
_root->addChild(model);
// create text hud
osg::Camera* hud_camera = createHUD(w,h); osg::Camera* hud_camera = createHUD(w,h);
_root->addChild(hud_camera); _root->addChild(hud_camera);
// attach root to viewer and add event handlers
_viewer->setSceneData(_root.get()); _viewer->setSceneData(_root.get());
_viewer->setCameraManipulator(new osgGA::MultiTouchTrackballManipulator()); _viewer->setCameraManipulator(new osgGA::MultiTouchTrackballManipulator());
_viewer->addEventHandler(new TestMultiTouchEventHandler(hud_camera)); _viewer->addEventHandler(new TestMultiTouchEventHandler(hud_camera));
// run single-threaded
// sun single-threaded
_viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded); _viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);
osg::setNotifyLevel(osg::INFO);
_viewer->realize(); _viewer->realize();
// render a frame so the window-manager shows some content and not only an empty + black window // render a frame so the window-manager shows some content and not only an empty + black window
_viewer->frame(); _viewer->frame();
osg::setNotifyLevel(osg::WARN);
// create a display link, which will update our scene on every screen-refresh // create a display link, which will update our scene on every screen-refresh
_displayLink = [application.keyWindow.screen displayLinkWithTarget:self selector:@selector(updateScene)]; _displayLink = [application.keyWindow.screen displayLinkWithTarget:self selector:@selector(updateScene)];

113
examples/osgviewerIPhone/shaders.h Normal file
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@ -0,0 +1,113 @@
#pragma once
#include <osg/GL>
//
// vertex color shader
//
#if OSG_GLES3_FEATURES
const char* ColorShaderVert =
"#version 300 es\n"
"in vec4 osg_Vertex;\n"
"uniform mat4 osg_ModelViewProjectionMatrix;\n"
"void main()\n"
"{\n"
" gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex;\n"
"}\n";
const char* ColorShaderFrag =
"#version 300 es\n"
"uniform lowp vec4 color;\n"
"out lowp vec4 fragColor;\n"
"void main()\n"
"{\n"
" fragColor = color;\n"
"}\n";
#elif OSG_GLES2_FEATURES
const char* ColorShaderVert =
"#version 100\n"
"attribute vec4 osg_Vertex;\n"
"uniform mat4 osg_ModelViewProjectionMatrix;\n"
"void main()\n"
"{\n"
" gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex;\n"
"}\n";
const char* ColorShaderFrag =
"#version 100\n"
"uniform lowp vec4 color;\n"
"void main()\n"
"{\n"
" gl_FragColor = color;\n"
"}\n";
#elif
const char* ColorShaderVert = NULL;
const char* ColorShaderFrag = NULL;
#endif
//
// text shader
//
#if OSG_GLES3_FEATURES
const char* TextShaderVert =
"#version 300 es\n"
"in vec4 osg_Vertex;\n"
"in vec4 osg_MultiTexCoord0;\n"
"uniform mat4 osg_ModelViewProjectionMatrix;\n"
"out vec4 texCoord;\n"
"void main()\n"
"{\n"
" gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex;\n"
" texCoord = osg_MultiTexCoord0;\n"
"}\n";
const char* TextShaderFrag =
"#version 300 es\n"
"in lowp vec4 texCoord;\n"
"uniform sampler2D glyphTexture;\n"
"uniform lowp vec4 color;\n"
"out lowp vec4 fragColor;\n"
"void main()\n"
"{\n"
" //lowp vec4 gc = texture(glyphTexture, texCoord.xy);\n"
" fragColor = color * texture(glyphTexture, texCoord.xy).a;\n"
"}\n";
#elif OSG_GLES2_FEATURES
const char* TextShaderVert =
"#version 100\n"
"attribute vec4 osg_Vertex;\n"
"attribute vec4 osg_MultiTexCoord0;\n"
"uniform mat4 osg_ModelViewProjectionMatrix;\n"
"varying vec4 texCoord;\n"
"void main()\n"
"{\n"
" gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex;\n"
" texCoord = osg_MultiTexCoord0;\n"
"}\n";
const char* TextShaderFrag =
"#version 100\n"
"varying lowp vec4 texCoord;\n"
"uniform sampler2D glyphTexture;\n"
"uniform lowp vec4 color;\n"
"void main()\n"
"{\n"
" gl_FragColor = color * texture2D(glyphTexture, texCoord.xy).a;\n"
"}\n";
#elif
const char* TextShaderVert = NULL;
const char* TextShaderFrag = NULL;
#endif

26
src/osg/GLExtensions.cpp
View File

@ -451,7 +451,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
glVersion = validContext ? findAsciiToFloat( versionString ) : 0.0f; glVersion = validContext ? findAsciiToFloat( versionString ) : 0.0f;
glslLanguageVersion = 0.0f; glslLanguageVersion = 0.0f;
bool shadersBuiltIn = OSG_GLES2_FEATURES || OSG_GL3_FEATURES; bool shadersBuiltIn = OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES;
isShaderObjectsSupported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_shader_objects")); isShaderObjectsSupported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_shader_objects"));
isVertexShaderSupported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_vertex_shader")); isVertexShaderSupported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_vertex_shader"));
@ -472,7 +472,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
isGLExtensionSupported(contextID,"GL_NV_texture_rectangle")); isGLExtensionSupported(contextID,"GL_NV_texture_rectangle"));
isCubeMapSupported = validContext && isCubeMapSupported = validContext &&
(OSG_GLES2_FEATURES || OSG_GL3_FEATURES || (OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES ||
isGLExtensionSupported(contextID,"GL_ARB_texture_cube_map") || isGLExtensionSupported(contextID,"GL_ARB_texture_cube_map") ||
isGLExtensionSupported(contextID,"GL_EXT_texture_cube_map") || isGLExtensionSupported(contextID,"GL_EXT_texture_cube_map") ||
(glVersion >= 1.3f)); (glVersion >= 1.3f));
@ -718,17 +718,17 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
setGLExtensionFuncPtr(glBindBufferBase, "glBindBufferBase", "glBindBufferBaseEXT", "glBindBufferBaseNV" , validContext); setGLExtensionFuncPtr(glBindBufferBase, "glBindBufferBase", "glBindBufferBaseEXT", "glBindBufferBaseNV" , validContext);
setGLExtensionFuncPtr(glTexBuffer, "glTexBuffer","glTexBufferARB" , validContext); setGLExtensionFuncPtr(glTexBuffer, "glTexBuffer","glTexBufferARB" , validContext);
isVBOSupported = validContext && (OSG_GLES2_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(contextID,"GL_ARB_vertex_buffer_object")); isVBOSupported = validContext && (OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(contextID,"GL_ARB_vertex_buffer_object"));
isPBOSupported = validContext && (OSG_GLES2_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(contextID,"GL_ARB_pixel_buffer_object")); isPBOSupported = validContext && (OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(contextID,"GL_ARB_pixel_buffer_object"));
isTBOSupported = validContext && osg::isGLExtensionSupported(contextID,"GL_ARB_texture_buffer_object"); isTBOSupported = validContext && osg::isGLExtensionSupported(contextID,"GL_ARB_texture_buffer_object");
isVAOSupported = validContext && (OSG_GL3_FEATURES || osg::isGLExtensionSupported(contextID, "GL_ARB_vertex_array_object", "GL_OES_vertex_array_object")); isVAOSupported = validContext && (OSG_GLES3_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(contextID, "GL_ARB_vertex_array_object", "GL_OES_vertex_array_object"));
isTransformFeedbackSupported = validContext && osg::isGLExtensionSupported(contextID, "GL_ARB_transform_feedback2"); isTransformFeedbackSupported = validContext && osg::isGLExtensionSupported(contextID, "GL_ARB_transform_feedback2");
isBufferObjectSupported = isVBOSupported && isPBOSupported; isBufferObjectSupported = isVBOSupported && isPBOSupported;
// BlendFunc extensions // BlendFunc extensions
isBlendFuncSeparateSupported = validContext && isBlendFuncSeparateSupported = validContext &&
(OSG_GLES2_FEATURES || OSG_GL3_FEATURES || (OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES ||
osg::isGLExtensionSupported(contextID, "GL_EXT_blend_func_separate") || osg::isGLExtensionSupported(contextID, "GL_EXT_blend_func_separate") ||
(glVersion >= 1.4f)); (glVersion >= 1.4f));
@ -820,7 +820,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
bool radeonHardwareDetected = (rendererString.find("Radeon")!=std::string::npos || rendererString.find("RADEON")!=std::string::npos); bool radeonHardwareDetected = (rendererString.find("Radeon")!=std::string::npos || rendererString.find("RADEON")!=std::string::npos);
bool fireGLHardwareDetected = (rendererString.find("FireGL")!=std::string::npos || rendererString.find("FIREGL")!=std::string::npos); bool fireGLHardwareDetected = (rendererString.find("FireGL")!=std::string::npos || rendererString.find("FIREGL")!=std::string::npos);
bool builtInSupport = OSG_GLES2_FEATURES || OSG_GL3_FEATURES; bool builtInSupport = OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES;
isMultiTexturingSupported = validContext && isMultiTexturingSupported = validContext &&
(builtInSupport || OSG_GLES1_FEATURES || (builtInSupport || OSG_GLES1_FEATURES ||
@ -852,7 +852,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
isTextureBorderClampSupported = validContext && isTextureBorderClampSupported = validContext &&
(OSG_GL3_FEATURES || (OSG_GL3_FEATURES ||
((OSG_GL1_FEATURES || OSG_GL2_FEATURES) && isGLExtensionOrVersionSupported(contextID,"GL_ARB_texture_border_clamp", 1.3f)) || ((OSG_GL1_FEATURES || OSG_GL2_FEATURES) && isGLExtensionOrVersionSupported(contextID,"GL_ARB_texture_border_clamp", 1.3f)) ||
(OSG_GLES2_FEATURES && isGLExtensionSupported(contextID,"GL_EXT_texture_border_clamp"))); ((OSG_GLES2_FEATURES || OSG_GLES3_FEATURES) && isGLExtensionSupported(contextID,"GL_EXT_texture_border_clamp")));
isGenerateMipMapSupported = validContext && (builtInSupport || isGLExtensionOrVersionSupported(contextID,"GL_SGIS_generate_mipmap", 1.4f)); isGenerateMipMapSupported = validContext && (builtInSupport || isGLExtensionOrVersionSupported(contextID,"GL_SGIS_generate_mipmap", 1.4f));
preferGenerateMipmapSGISForPowerOfTwo = (radeonHardwareDetected||fireGLHardwareDetected) ? false : true; preferGenerateMipmapSGISForPowerOfTwo = (radeonHardwareDetected||fireGLHardwareDetected) ? false : true;
@ -939,13 +939,13 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
// Blending // Blending
isBlendColorSupported = validContext && isBlendColorSupported = validContext &&
(OSG_GLES2_FEATURES || OSG_GL3_FEATURES || (OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES ||
isGLExtensionSupported(contextID,"GL_EXT_blend_color") || isGLExtensionSupported(contextID,"GL_EXT_blend_color") ||
(glVersion >= 1.2f)); (glVersion >= 1.2f));
setGLExtensionFuncPtr(glBlendColor, "glBlendColor", "glBlendColorEXT", validContext); setGLExtensionFuncPtr(glBlendColor, "glBlendColor", "glBlendColorEXT", validContext);
bool bultInSupport = OSG_GLES2_FEATURES || OSG_GL3_FEATURES; bool bultInSupport = OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES;
isBlendEquationSupported = validContext && isBlendEquationSupported = validContext &&
(bultInSupport || (bultInSupport ||
isGLExtensionSupported(contextID, "GL_EXT_blend_equation") || isGLExtensionSupported(contextID, "GL_EXT_blend_equation") ||
@ -1012,7 +1012,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
isGLExtensionSupported(contextID,"GL_SGIS_point_parameters")); isGLExtensionSupported(contextID,"GL_SGIS_point_parameters"));
isPointSpriteSupported = validContext && (OSG_GL3_FEATURES || isGLExtensionSupported(contextID, "GL_ARB_point_sprite") || isGLExtensionSupported(contextID, "GL_OES_point_sprite") || isGLExtensionSupported(contextID, "GL_NV_point_sprite")); isPointSpriteSupported = validContext && (OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES || isGLExtensionSupported(contextID, "GL_ARB_point_sprite") || isGLExtensionSupported(contextID, "GL_OES_point_sprite") || isGLExtensionSupported(contextID, "GL_NV_point_sprite"));
isPointSpriteCoordOriginSupported = validContext && (OSG_GL3_FEATURES || (glVersion >= 2.0f)); isPointSpriteCoordOriginSupported = validContext && (OSG_GL3_FEATURES || (glVersion >= 2.0f));
@ -1027,7 +1027,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
// Multisample // Multisample
isMultisampleSupported = validContext && (OSG_GLES2_FEATURES || OSG_GL3_FEATURES || isGLExtensionSupported(contextID,"GL_ARB_multisample")); isMultisampleSupported = validContext && (OSG_GLES2_FEATURES || OSG_GLES2_FEATURES || OSG_GL3_FEATURES || isGLExtensionSupported(contextID,"GL_ARB_multisample"));
isMultisampleFilterHintSupported = validContext && isGLExtensionSupported(contextID, "GL_NV_multisample_filter_hint"); isMultisampleFilterHintSupported = validContext && isGLExtensionSupported(contextID, "GL_NV_multisample_filter_hint");
setGLExtensionFuncPtr(glSampleCoverage, "glSampleCoverage", "glSampleCoverageARB", validContext); setGLExtensionFuncPtr(glSampleCoverage, "glSampleCoverage", "glSampleCoverageARB", validContext);
@ -1159,7 +1159,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
if (validContext) if (validContext)
{ {
if (osg::getGLVersionNumber() >= 2.0 || osg::isGLExtensionSupported(contextID, "GL_ARB_vertex_shader") || OSG_GLES2_FEATURES || OSG_GL3_FEATURES) if (osg::getGLVersionNumber() >= 2.0 || osg::isGLExtensionSupported(contextID, "GL_ARB_vertex_shader") || OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES)
{ {
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS,&glMaxTextureUnits); glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS,&glMaxTextureUnits);
#ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE #ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE

4
src/osg/State.cpp
View File

@ -175,7 +175,7 @@ void State::initializeExtensionProcs()
_isSecondaryColorSupported = osg::isGLExtensionSupported(_contextID,"GL_EXT_secondary_color"); _isSecondaryColorSupported = osg::isGLExtensionSupported(_contextID,"GL_EXT_secondary_color");
_isFogCoordSupported = osg::isGLExtensionSupported(_contextID,"GL_EXT_fog_coord"); _isFogCoordSupported = osg::isGLExtensionSupported(_contextID,"GL_EXT_fog_coord");
_isVertexBufferObjectSupported = OSG_GLES2_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(_contextID,"GL_ARB_vertex_buffer_object"); _isVertexBufferObjectSupported = OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES || osg::isGLExtensionSupported(_contextID,"GL_ARB_vertex_buffer_object");
_isVertexArrayObjectSupported = _glExtensions->isVAOSupported; _isVertexArrayObjectSupported = _glExtensions->isVAOSupported;
const DisplaySettings* ds = getDisplaySettings() ? getDisplaySettings() : osg::DisplaySettings::instance().get(); const DisplaySettings* ds = getDisplaySettings() ? getDisplaySettings() : osg::DisplaySettings::instance().get();
@ -211,7 +211,7 @@ void State::initializeExtensionProcs()
setGLExtensionFuncPtr(_glDrawArraysInstanced, "glDrawArraysInstanced","glDrawArraysInstancedARB","glDrawArraysInstancedEXT"); setGLExtensionFuncPtr(_glDrawArraysInstanced, "glDrawArraysInstanced","glDrawArraysInstancedARB","glDrawArraysInstancedEXT");
setGLExtensionFuncPtr(_glDrawElementsInstanced, "glDrawElementsInstanced","glDrawElementsInstancedARB","glDrawElementsInstancedEXT"); setGLExtensionFuncPtr(_glDrawElementsInstanced, "glDrawElementsInstanced","glDrawElementsInstancedARB","glDrawElementsInstancedEXT");
if (osg::getGLVersionNumber() >= 2.0 || osg::isGLExtensionSupported(_contextID, "GL_ARB_vertex_shader") || OSG_GLES2_FEATURES || OSG_GL3_FEATURES) if (osg::getGLVersionNumber() >= 2.0 || osg::isGLExtensionSupported(_contextID, "GL_ARB_vertex_shader") || OSG_GLES2_FEATURES || OSG_GLES3_FEATURES || OSG_GL3_FEATURES)
{ {
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS,&_glMaxTextureUnits); glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS,&_glMaxTextureUnits);
#ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE #ifdef OSG_GL_FIXED_FUNCTION_AVAILABLE

4
src/osgPlugins/avfoundation/CMakeLists.txt
View File

@ -1,6 +1,6 @@
# AVFoundation plugin only works with OSX/Cocoa (not X11 or Carbon) # AVFoundation plugin only works with OSX/Cocoa (not X11 or Carbon)
IF(NOT OSG_WINDOWING_SYSTEM STREQUAL "Cocoa") IF(NOT OSG_WINDOWING_SYSTEM STREQUAL "Cocoa" AND NOT OSG_WINDOWING_SYSTEM STREQUAL "IOS")
MESSAGE(WARNING "Disabling AVFoundation plugin because it requires OSG_WINDOWING_SYSTEM to be Cocoa") MESSAGE(WARNING "Disabling AVFoundation plugin because it requires OSG_WINDOWING_SYSTEM to be Cocoa or IOS")
RETURN() RETURN()
ENDIF() ENDIF()

12
src/osgText/Glyph.cpp
View File

@ -155,7 +155,7 @@ void GlyphTexture::apply(osg::State& state) const
bool newTextureObject = (textureObject == 0); bool newTextureObject = (textureObject == 0);
#if defined(OSG_GLES2_AVAILABLE) #if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
bool requiresGenerateMipmapCall = false; bool requiresGenerateMipmapCall = false;
// need to look to see generate mip map call is required. // need to look to see generate mip map call is required.
@ -203,7 +203,7 @@ void GlyphTexture::apply(osg::State& state) const
case LINEAR_MIPMAP_LINEAR: case LINEAR_MIPMAP_LINEAR:
if (generateMipMapSupported) if (generateMipMapSupported)
{ {
#if !defined(OSG_GLES2_AVAILABLE) #if !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GLES3_AVAILABLE)
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS,GL_TRUE); glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS,GL_TRUE);
#endif #endif
} }
@ -223,7 +223,7 @@ void GlyphTexture::apply(osg::State& state) const
glPixelStorei(GL_UNPACK_ALIGNMENT,1); glPixelStorei(GL_UNPACK_ALIGNMENT,1);
#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) #if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GLES3_AVAILABLE)
glPixelStorei(GL_UNPACK_ROW_LENGTH,getTextureWidth()); glPixelStorei(GL_UNPACK_ROW_LENGTH,getTextureWidth());
#endif #endif
@ -299,7 +299,7 @@ void GlyphTexture::apply(osg::State& state) const
bool subloadAllGlyphsTogether = s_subloadAllGlyphsTogether; bool subloadAllGlyphsTogether = s_subloadAllGlyphsTogether;
#if defined(OSG_GLES2_AVAILABLE) #if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
if (requiresGenerateMipmapCall) subloadAllGlyphsTogether = true; if (requiresGenerateMipmapCall) subloadAllGlyphsTogether = true;
#endif #endif
@ -374,7 +374,7 @@ void GlyphTexture::apply(osg::State& state) const
glPixelStorei(GL_UNPACK_ALIGNMENT,1); glPixelStorei(GL_UNPACK_ALIGNMENT,1);
#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) #if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GLES3_AVAILABLE)
glPixelStorei(GL_UNPACK_ROW_LENGTH,getTextureWidth()); glPixelStorei(GL_UNPACK_ROW_LENGTH,getTextureWidth());
#endif #endif
@ -384,7 +384,7 @@ void GlyphTexture::apply(osg::State& state) const
getTextureHeight(), getTextureHeight(),
OSGTEXT_GLYPH_FORMAT, GL_UNSIGNED_BYTE, local_data); OSGTEXT_GLYPH_FORMAT, GL_UNSIGNED_BYTE, local_data);
#if defined(OSG_GLES2_AVAILABLE) #if defined(OSG_GLES2_AVAILABLE) || defined(OSG_GLES3_AVAILABLE)
if (requiresGenerateMipmapCall) glGenerateMipmap(GL_TEXTURE_2D); if (requiresGenerateMipmapCall) glGenerateMipmap(GL_TEXTURE_2D);
#endif #endif

53
src/osgViewer/GraphicsWindowIOS.mm
View File

@ -9,9 +9,13 @@
#if OSG_GLES1_FEATURES #if OSG_GLES1_FEATURES
#import <OpenGLES/ES1/glext.h> #import <OpenGLES/ES1/glext.h>
#else #else
#if defined(OSG_GLES2_FEATURES)
#define MUTLI_GLES (OSG_GLES2_FEATURES && OSG_GLES3_FEATURES)
#if OSG_GLES2_FEATURES || MUTLI_GLES
#import <OpenGLES/ES2/glext.h> #import <OpenGLES/ES2/glext.h>
#elif defined(OSG_GLES3_FEATURES) #endif
#if OSG_GLES3_FEATURES || MUTLI_GLES
#import <OpenGLES/ES3/glext.h> #import <OpenGLES/ES3/glext.h>
#endif #endif
@ -39,6 +43,18 @@
#define GL_STENCIL_ATTACHMENT_OES GL_STENCIL_ATTACHMENT #define GL_STENCIL_ATTACHMENT_OES GL_STENCIL_ATTACHMENT
#define GL_RGB5_A1_OES GL_RGB5_A1 #define GL_RGB5_A1_OES GL_RGB5_A1
#if OSG_GLES3_FEATURES && !MUTLI_GLES
#define glRenderbufferStorageMultisampleAPPLE glRenderbufferStorageMultisample
#define glDiscardFramebufferEXT glInvalidateFramebuffer
//#define glResolveMultisampleFramebufferAPPLE glResolveMultisampleFramebuffer
#define GL_DEPTH24_STENCIL8_OES GL_DEPTH24_STENCIL8
#define GL_DEPTH_COMPONENT24_OES GL_DEPTH_COMPONENT24
#define GL_READ_FRAMEBUFFER_APPLE GL_READ_FRAMEBUFFER
#define GL_DRAW_FRAMEBUFFER_APPLE GL_DRAW_FRAMEBUFFER
#endif
#endif #endif
#include "IOSUtils.h" #include "IOSUtils.h"
@ -515,10 +531,12 @@ typedef std::map<void*, unsigned int> TouchPointsIdMapping;
glBindFramebufferOES(GL_READ_FRAMEBUFFER_APPLE, _msaaFramebuffer); glBindFramebufferOES(GL_READ_FRAMEBUFFER_APPLE, _msaaFramebuffer);
glBindFramebufferOES(GL_DRAW_FRAMEBUFFER_APPLE, _viewFramebuffer); glBindFramebufferOES(GL_DRAW_FRAMEBUFFER_APPLE, _viewFramebuffer);
glResolveMultisampleFramebufferAPPLE();
GLenum attachments[] = {GL_DEPTH_ATTACHMENT_OES, GL_COLOR_ATTACHMENT0_OES}; GLenum attachments[] = {GL_DEPTH_ATTACHMENT_OES, GL_COLOR_ATTACHMENT0_OES};
#ifdef OSG_GLES3_FEATURES
#if !OSG_GLES3_FEATURES
glResolveMultisampleFramebufferAPPLE();
glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 2, attachments);
#else
switch ([_context API]) switch ([_context API])
{ {
case kEAGLRenderingAPIOpenGLES3: case kEAGLRenderingAPIOpenGLES3:
@ -529,17 +547,16 @@ typedef std::map<void*, unsigned int> TouchPointsIdMapping;
break; break;
default: default:
#if !OSG_GLES3_FEATURES
glResolveMultisampleFramebufferAPPLE(); glResolveMultisampleFramebufferAPPLE();
#endif
glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 2, attachments); glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 2, attachments);
break; break;
} }
#else #endif
glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 2, attachments);
#endif
} }
#endif #endif
//swap buffers (sort of i think?) //swap buffers (sort of i think?)
glBindRenderbufferOES(GL_RENDERBUFFER_OES, _viewRenderbuffer); glBindRenderbufferOES(GL_RENDERBUFFER_OES, _viewRenderbuffer);
@ -882,12 +899,16 @@ bool GraphicsWindowIOS::realizeImplementation()
#if OSG_GLES1_FEATURES #if OSG_GLES1_FEATURES
_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES1]; _context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES1];
#elif OSG_GLES2_FEATURES #elif OSG_GLES2_FEATURES
#if OSG_GLES3_FEATURES
#if MULTI_GLES
_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3]; _context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
if(!_context) _context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
#else
_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
#endif #endif
if (!_context) #elif OSG_GLES3_FEATURES
_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2]; _context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES3];
#endif #endif
if (!_context || ![EAGLContext setCurrentContext:_context]) { if (!_context || ![EAGLContext setCurrentContext:_context]) {
@ -895,11 +916,9 @@ bool GraphicsWindowIOS::realizeImplementation()
#if OSG_GLES1_FEATURES #if OSG_GLES1_FEATURES
OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create a valid OpenGLES1 context" << std::endl; OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create a valid OpenGLES1 context" << std::endl;
#elif OSG_GLES2_FEATURES #elif OSG_GLES2_FEATURES
#if OSG_GLES3_FEATURES OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create a valid OpenGLES2" << std::endl;
OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create a valid OpenGLES3 or OpenGLES2 context" << std::endl; #elif OSG_GLES3_FEATURES
#else OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create a valid OpenGLES3 context" << std::endl;
OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create a valid OpenGLES2 context" << std::endl;
#endif
#endif #endif
return false; return false;
} }