TGUI  1.6.1
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BackendRendererGLES2.hpp
1
2//
3// TGUI - Texus' Graphical User Interface
4// Copyright (C) 2012-2024 Bruno Van de Velde (vdv_b@tgui.eu)
5//
6// This software is provided 'as-is', without any express or implied warranty.
7// In no event will the authors be held liable for any damages arising from the use of this software.
8//
9// Permission is granted to anyone to use this software for any purpose,
10// including commercial applications, and to alter it and redistribute it freely,
11// subject to the following restrictions:
12//
13// 1. The origin of this software must not be misrepresented;
14// you must not claim that you wrote the original software.
15// If you use this software in a product, an acknowledgment
16// in the product documentation would be appreciated but is not required.
17//
18// 2. Altered source versions must be plainly marked as such,
19// and must not be misrepresented as being the original software.
20//
21// 3. This notice may not be removed or altered from any source distribution.
22//
24
25#ifndef TGUI_BACKEND_RENDERER_GLES2_HPP
26#define TGUI_BACKEND_RENDERER_GLES2_HPP
27
28#include <TGUI/Backend/Renderer/GLES2/BackendTextureGLES2.hpp>
29#include <TGUI/Backend/Renderer/GLES2/BackendRenderTargetGLES2.hpp>
30#include <TGUI/Backend/Renderer/GLES2/CanvasGLES2.hpp>
31
32#if !TGUI_BUILD_AS_CXX_MODULE
33 #include <TGUI/Backend/Renderer/BackendRenderer.hpp>
34#endif
35
36#if !TGUI_EXPERIMENTAL_USE_STD_MODULE
37 #include <memory>
38#endif
39
41
42TGUI_MODULE_EXPORT namespace tgui
43{
47 class TGUI_API BackendRendererGLES2 : public BackendRenderer
48 {
49 public:
50
51 using ContextLoadFuncReturnType = void (*)();
52 using ContextLoadFuncType = ContextLoadFuncReturnType (*)(const char *name);
53
54 using SDLContextLoadFuncType = void* (*)(const char *name);
55
68 BackendRendererGLES2(ContextLoadFuncType contextLoadFunction);
69
76 BackendRendererGLES2(SDLContextLoadFuncType contextLoadFunction);
77
82 TGUI_NODISCARD std::shared_ptr<BackendTexture> createTexture() override;
83
91 TGUI_NODISCARD unsigned int getMaximumTextureSize() override;
92
94 private:
95
96 int m_maxTextureSize = 0;
97 };
98}
99
101
102#endif // TGUI_BACKEND_RENDERER_GLES2_HPP
Backend renderer that uses OpenGL ES 2 or 3 (depending on the loaded OpenGL ES context that you have ...
Definition BackendRendererGLES2.hpp:48
BackendRendererGLES2(SDLContextLoadFuncType contextLoadFunction)
Helper constructor so that you can pass SDL_GL_GetProcAddress without needing to cast the type.
std::shared_ptr< BackendTexture > createTexture() override
Creates a new empty texture object.
unsigned int getMaximumTextureSize() override
Get the maximum allowed texture size.
BackendRendererGLES2(ContextLoadFuncType contextLoadFunction)
Initializes the backend renderer. This will initialize GLAD to use OpenGL ES.
Base class for the backend renderer, which is responsible for creating text and texture objects.
Definition BackendRenderer.hpp:44
Namespace that contains all TGUI functions and classes.
Definition AbsoluteOrRelativeValue.hpp:38