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Diffstat (limited to 'drivers/gles3/effects/copy_effects.h')
| -rw-r--r-- | drivers/gles3/effects/copy_effects.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gles3/effects/copy_effects.h b/drivers/gles3/effects/copy_effects.h new file mode 100644 index 0000000000..1cf1ac9404 --- /dev/null +++ b/drivers/gles3/effects/copy_effects.h @@ -0,0 +1,73 @@ +/*************************************************************************/ +/* copy_effects.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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 COPY_GL_H +#define COPY_GL_H + +#ifdef GLES3_ENABLED + +#include "../shaders/copy.glsl.gen.h" + +namespace GLES3 { + +class CopyEffects { +private: + struct Copy { + CopyShaderGLES3 shader; + RID shader_version; + } copy; + + static CopyEffects *singleton; + + // Use for full-screen effects. Slightly more efficient than screen_quad as this eliminates pixel overdraw along the diagonal. + GLuint screen_triangle = 0; + GLuint screen_triangle_array = 0; + + // Use for rect-based effects. + GLuint quad = 0; + GLuint quad_array = 0; + +public: + static CopyEffects *get_singleton(); + + CopyEffects(); + ~CopyEffects(); + + // These functions assume that a framebuffer and texture are bound already. They only manage the shader, uniforms, and vertex array. + void copy_to_rect(const Rect2i &p_rect); + void copy_screen(); + void bilinear_blur(GLuint p_source_texture, int p_mipmap_count, const Rect2i &p_region); + void set_color(const Color &p_color, const Rect2i &p_region); +}; + +} //namespace GLES3 + +#endif // GLES3_ENABLED +#endif // !COPY_GL_H |