277 lines
8.3 KiB
C++
277 lines
8.3 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#ifdef JUCE_OPENGL_H_INCLUDED
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/* When you add this cpp file to your project, you mustn't include it in a file where you've
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already included any other headers - just put it inside a file on its own, possibly with your config
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flags preceding it, but don't include anything else. That also includes avoiding any automatic prefix
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header files that the compiler may be using.
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*/
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#error "Incorrect use of JUCE cpp file"
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#endif
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#define JUCE_CORE_INCLUDE_OBJC_HELPERS 1
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#define JUCE_CORE_INCLUDE_JNI_HELPERS 1
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#define JUCE_CORE_INCLUDE_NATIVE_HEADERS 1
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#define JUCE_GRAPHICS_INCLUDE_COREGRAPHICS_HELPERS 1
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#define JUCE_GUI_BASICS_INCLUDE_XHEADERS 1
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#define JUCE_GUI_BASICS_INCLUDE_SCOPED_THREAD_DPI_AWARENESS_SETTER 1
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#include "juce_opengl.h"
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#define JUCE_STATIC_LINK_GL_VERSION_1_0 1
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#define JUCE_STATIC_LINK_GL_VERSION_1_1 1
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#if JUCE_MAC
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#define JUCE_STATIC_LINK_GL_VERSION_1_2 1
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#define JUCE_STATIC_LINK_GL_VERSION_1_3 1
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#define JUCE_STATIC_LINK_GL_VERSION_1_4 1
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#define JUCE_STATIC_LINK_GL_VERSION_1_5 1
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#define JUCE_STATIC_LINK_GL_VERSION_2_0 1
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#define JUCE_STATIC_LINK_GL_VERSION_2_1 1
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#define JUCE_STATIC_LINK_GL_VERSION_3_0 1
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#define JUCE_STATIC_LINK_GL_VERSION_3_1 1
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#define JUCE_STATIC_LINK_GL_VERSION_3_2 1
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#endif
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#define JUCE_STATIC_LINK_GL_ES_VERSION_2_0 1
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#if !JUCE_ANDROID || JUCE_ANDROID_GL_ES_VERSION_3_0
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#define JUCE_STATIC_LINK_GL_ES_VERSION_3_0 1
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#endif
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#if JUCE_OPENGL_ES
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#include "opengl/juce_gles2.cpp"
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#else
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#include "opengl/juce_gl.cpp"
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#endif
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//==============================================================================
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#if JUCE_IOS
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#import <QuartzCore/QuartzCore.h>
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//==============================================================================
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#elif JUCE_WINDOWS
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#include <windowsx.h>
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#if ! JUCE_MINGW && ! JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES
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#pragma comment(lib, "OpenGL32.Lib")
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#endif
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//==============================================================================
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#elif JUCE_LINUX || JUCE_BSD
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/* Got an include error here?
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If you want to install OpenGL support, the packages to get are "mesa-common-dev"
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and "freeglut3-dev".
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*/
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#include <GL/glx.h>
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//==============================================================================
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#elif JUCE_MAC
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#include <OpenGL/CGLCurrent.h> // These are both just needed with the 10.5 SDK
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#include <OpenGL/OpenGL.h>
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//==============================================================================
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#elif JUCE_ANDROID
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#include <android/native_window.h>
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#include <android/native_window_jni.h>
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#include <EGL/egl.h>
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#endif
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//==============================================================================
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namespace juce
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{
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using namespace ::juce::gl;
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void OpenGLExtensionFunctions::initialise()
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{
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gl::loadFunctions();
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}
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#define X(name) decltype (::juce::gl::name)& OpenGLExtensionFunctions::name = ::juce::gl::name;
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JUCE_GL_BASE_FUNCTIONS
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JUCE_GL_EXTENSION_FUNCTIONS
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JUCE_GL_VERTEXBUFFER_FUNCTIONS
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#undef X
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#if JUCE_DEBUG && ! defined (JUCE_CHECK_OPENGL_ERROR)
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static const char* getGLErrorMessage (const GLenum e) noexcept
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{
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switch (e)
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{
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case GL_INVALID_ENUM: return "GL_INVALID_ENUM";
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case GL_INVALID_VALUE: return "GL_INVALID_VALUE";
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case GL_INVALID_OPERATION: return "GL_INVALID_OPERATION";
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case GL_OUT_OF_MEMORY: return "GL_OUT_OF_MEMORY";
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#ifdef GL_STACK_OVERFLOW
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case GL_STACK_OVERFLOW: return "GL_STACK_OVERFLOW";
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#endif
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#ifdef GL_STACK_UNDERFLOW
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case GL_STACK_UNDERFLOW: return "GL_STACK_UNDERFLOW";
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#endif
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#ifdef GL_INVALID_FRAMEBUFFER_OPERATION
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case GL_INVALID_FRAMEBUFFER_OPERATION: return "GL_INVALID_FRAMEBUFFER_OPERATION";
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#endif
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default: break;
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}
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return "Unknown error";
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}
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#if JUCE_MAC || JUCE_IOS
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#ifndef JUCE_IOS_MAC_VIEW
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#if JUCE_IOS
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#define JUCE_IOS_MAC_VIEW UIView
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#define JUCE_IOS_MAC_WINDOW UIWindow
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#else
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#define JUCE_IOS_MAC_VIEW NSView
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#define JUCE_IOS_MAC_WINDOW NSWindow
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#endif
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#endif
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#endif
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static bool checkPeerIsValid (OpenGLContext* context)
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{
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jassert (context != nullptr);
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if (context != nullptr)
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{
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if (auto* comp = context->getTargetComponent())
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{
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if (auto* peer = comp->getPeer())
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{
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#if JUCE_MAC || JUCE_IOS
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if (auto* nsView = (JUCE_IOS_MAC_VIEW*) peer->getNativeHandle())
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{
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if (auto nsWindow = [nsView window])
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{
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#if JUCE_MAC
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return ([nsWindow isVisible]
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&& (! [nsWindow hidesOnDeactivate] || [NSApp isActive]));
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#else
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ignoreUnused (nsWindow);
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return true;
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#endif
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}
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}
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#else
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ignoreUnused (peer);
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return true;
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#endif
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}
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}
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}
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return false;
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}
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static void checkGLError (const char* file, const int line)
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{
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for (;;)
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{
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const GLenum e = glGetError();
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if (e == GL_NO_ERROR)
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break;
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// if the peer is not valid then ignore errors
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if (! checkPeerIsValid (OpenGLContext::getCurrentContext()))
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continue;
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DBG ("***** " << getGLErrorMessage (e) << " at " << file << " : " << line);
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jassertfalse;
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}
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}
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#define JUCE_CHECK_OPENGL_ERROR checkGLError (__FILE__, __LINE__);
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#else
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#define JUCE_CHECK_OPENGL_ERROR ;
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#endif
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static void clearGLError() noexcept
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{
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while (glGetError() != GL_NO_ERROR) {}
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}
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struct OpenGLTargetSaver
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{
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OpenGLTargetSaver (const OpenGLContext& c) noexcept
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: context (c), oldFramebuffer (OpenGLFrameBuffer::getCurrentFrameBufferTarget())
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{
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glGetIntegerv (GL_VIEWPORT, oldViewport);
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}
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~OpenGLTargetSaver() noexcept
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{
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context.extensions.glBindFramebuffer (GL_FRAMEBUFFER, oldFramebuffer);
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glViewport (oldViewport[0], oldViewport[1], oldViewport[2], oldViewport[3]);
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}
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private:
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const OpenGLContext& context;
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GLuint oldFramebuffer;
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GLint oldViewport[4];
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OpenGLTargetSaver& operator= (const OpenGLTargetSaver&);
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};
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} // namespace juce
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//==============================================================================
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#include "opengl/juce_OpenGLFrameBuffer.cpp"
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#include "opengl/juce_OpenGLGraphicsContext.cpp"
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#include "opengl/juce_OpenGLHelpers.cpp"
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#include "opengl/juce_OpenGLImage.cpp"
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#include "opengl/juce_OpenGLPixelFormat.cpp"
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#include "opengl/juce_OpenGLShaderProgram.cpp"
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#include "opengl/juce_OpenGLTexture.cpp"
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//==============================================================================
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#if JUCE_MAC || JUCE_IOS
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#if JUCE_MAC
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#include "native/juce_OpenGL_osx.h"
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#else
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#include "native/juce_OpenGL_ios.h"
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#endif
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#elif JUCE_WINDOWS
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#include "opengl/juce_wgl.h"
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#include "native/juce_OpenGL_win32.h"
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#elif JUCE_LINUX || JUCE_BSD
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#include "native/juce_OpenGL_linux_X11.h"
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#elif JUCE_ANDROID
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#include "native/juce_OpenGL_android.h"
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#endif
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#include "opengl/juce_OpenGLContext.cpp"
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#include "utils/juce_OpenGLAppComponent.cpp"
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