79 lines
3.4 KiB
C++
79 lines
3.4 KiB
C++
/**************************************************************************/
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/* copy_effects.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef COPY_EFFECTS_GLES3_H
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#define COPY_EFFECTS_GLES3_H
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#ifdef GLES3_ENABLED
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#include "drivers/gles3/shaders/copy.glsl.gen.h"
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namespace GLES3 {
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class CopyEffects {
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private:
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struct Copy {
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CopyShaderGLES3 shader;
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RID shader_version;
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} copy;
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static CopyEffects *singleton;
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// Use for full-screen effects. Slightly more efficient than screen_quad as this eliminates pixel overdraw along the diagonal.
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GLuint screen_triangle = 0;
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GLuint screen_triangle_array = 0;
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// Use for rect-based effects.
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GLuint quad = 0;
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GLuint quad_array = 0;
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public:
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static CopyEffects *get_singleton();
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CopyEffects();
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~CopyEffects();
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// These functions assume that a framebuffer and texture are bound already. They only manage the shader, uniforms, and vertex array.
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void copy_to_rect(const Rect2 &p_rect);
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void copy_screen();
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void copy_cube_to_rect(const Rect2 &p_rect);
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void bilinear_blur(GLuint p_source_texture, int p_mipmap_count, const Rect2i &p_region);
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void gaussian_blur(GLuint p_source_texture, int p_mipmap_count, const Rect2i &p_region, const Size2i &p_size);
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void set_color(const Color &p_color, const Rect2i &p_region);
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void draw_screen_triangle();
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void draw_screen_quad();
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};
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} //namespace GLES3
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#endif // GLES3_ENABLED
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#endif // COPY_EFFECTS_GLES3_H
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