- initial version

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@14 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-09-24 17:21:29 +00:00
commit 470437eecb
1107 changed files with 428404 additions and 0 deletions
@@ -0,0 +1,103 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+void OpenGLHelpers::resetErrorState()
+{
+    while (glGetError() != GL_NO_ERROR) {}
+}
+
+void* OpenGLHelpers::getExtensionFunction (const char* functionName)
+{
+   #if JUCE_WINDOWS
+    return (void*) wglGetProcAddress (functionName);
+   #elif JUCE_LINUX
+    return (void*) glXGetProcAddress ((const GLubyte*) functionName);
+   #else
+    static void* handle = dlopen (nullptr, RTLD_LAZY);
+    return dlsym (handle, functionName);
+   #endif
+}
+
+bool OpenGLHelpers::isExtensionSupported (const char* const extensionName)
+{
+    jassert (extensionName != nullptr); // you must supply a genuine string for this.
+    jassert (isContextActive()); // An OpenGL context will need to be active before calling this.
+
+    const char* extensions = (const char*) glGetString (GL_EXTENSIONS);
+    jassert (extensions != nullptr); // Perhaps you didn't activate an OpenGL context before calling this?
+
+    for (;;)
+    {
+        const char* found = strstr (extensions, extensionName);
+
+        if (found == nullptr)
+            break;
+
+        extensions = found + strlen (extensionName);
+
+        if (extensions[0] == ' ' || extensions[0] == 0)
+            return true;
+    }
+
+    return false;
+}
+
+void OpenGLHelpers::clear (Colour colour)
+{
+    glClearColor (colour.getFloatRed(), colour.getFloatGreen(),
+                  colour.getFloatBlue(), colour.getFloatAlpha());
+
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+}
+
+void OpenGLHelpers::enableScissorTest (const Rectangle<int>& clip)
+{
+    glEnable (GL_SCISSOR_TEST);
+    glScissor (clip.getX(), clip.getY(), clip.getWidth(), clip.getHeight());
+}
+
+String OpenGLHelpers::translateVertexShaderToV3 (const String& code)
+{
+   #if JUCE_OPENGL3
+    if (OpenGLShaderProgram::getLanguageVersion() > 1.2)
+        return "#version 150\n" + code.replace ("attribute", "in")
+                                      .replace ("varying", "out");
+   #endif
+
+    return code;
+}
+
+String OpenGLHelpers::translateFragmentShaderToV3 (const String& code)
+{
+   #if JUCE_OPENGL3
+    if (OpenGLShaderProgram::getLanguageVersion() > 1.2)
+        return "#version 150\n"
+               "out vec4 fragColor;\n"
+                + code.replace ("varying", "in")
+                      .replace ("texture2D", "texture")
+                      .replace ("gl_FragColor", "fragColor");
+   #endif
+
+    return code;
+}