paulxstretch/deps/juce/modules/juce_opengl/opengl/juce_OpenGLHelpers.h
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

80 lines
2.9 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
A set of miscellaneous openGL helper functions.
@tags{OpenGL}
*/
class JUCE_API OpenGLHelpers
{
public:
/** Clears the GL error state. */
static void resetErrorState();
/** Returns true if the current thread has an active OpenGL context. */
static bool isContextActive();
/** Clears the current context using the given colour. */
static void clear (Colour colour);
static void enableScissorTest (Rectangle<int> clip);
/** Checks whether the current context supports the specified extension. */
static bool isExtensionSupported (const char* extensionName);
/** Returns the address of a named GL extension function */
static void* getExtensionFunction (const char* functionName);
/** Returns a version string such as "#version 150" suitable for prefixing a GLSL
shader on this platform.
*/
static String getGLSLVersionString();
/** Makes some simple textual changes to a shader program to try to convert old GLSL
keywords to their v3 equivalents.
Before doing this, the function will check whether the current context is actually
using a later version of the language, and if not it will not make any changes.
Obviously this is not a real parser, so will only work on simple code!
*/
static String translateVertexShaderToV3 (const String&);
/** Makes some simple textual changes to a shader program to try to convert old GLSL
keywords to their v3 equivalents.
Before doing this, the function will check whether the current context is actually
using a later version of the language, and if not it will not make any changes.
Obviously this is not a real parser, so will only work on simple code!
*/
static String translateFragmentShaderToV3 (const String&);
};
} // namespace juce