godot/drivers/gles3/rasterizer_gles3.h
Hein-Pieter van Braam 08f452d1a9 Fall back to GLES2 if GLES3 is not working
This adds a static is_viable() method to all rasterizers which has to be
called before initializing the rasterizer. This allows us to check what
rasterizer to use in OS::initialize together with the GL context
initialization.

This commit also adds a new project setting
"rendering/quality/driver/driver_fallback" which allows the creator of a
project to specify whether or not fallback to GLES2 is allowed. This
setting is ignored for the editor so the editor will always open even if
the project itself cannot run. This will hopefully reduce confusion for
users downloading projects from the internet.

We also no longer crash when GLES3 is not functioning on a platform.

This fixes #15324
2018-08-26 16:40:46 +02:00

74 lines
3.3 KiB
C++

/*************************************************************************/
/* rasterizer_gles3.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef RASTERIZERGLES3_H
#define RASTERIZERGLES3_H
#include "rasterizer_canvas_gles3.h"
#include "rasterizer_scene_gles3.h"
#include "rasterizer_storage_gles3.h"
#include "servers/visual/rasterizer.h"
class RasterizerGLES3 : public Rasterizer {
static Rasterizer *_create_current();
RasterizerStorageGLES3 *storage;
RasterizerCanvasGLES3 *canvas;
RasterizerSceneGLES3 *scene;
double time_total;
public:
virtual RasterizerStorage *get_storage();
virtual RasterizerCanvas *get_canvas();
virtual RasterizerScene *get_scene();
virtual void set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale);
virtual void initialize();
virtual void begin_frame(double frame_step);
virtual void set_current_render_target(RID p_render_target);
virtual void restore_render_target();
virtual void clear_render_target(const Color &p_color);
virtual void blit_render_target_to_screen(RID p_render_target, const Rect2 &p_screen_rect, int p_screen = 0);
virtual void end_frame(bool p_swap_buffers);
virtual void finalize();
static Error is_viable();
static void make_current();
static void register_config();
RasterizerGLES3();
~RasterizerGLES3();
};
#endif // RASTERIZERGLES3_H