71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// Copyright (c) 2022 Dominic Masters
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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#pragma once
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#include "event/Event.hpp"
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#define RENDER_TARGET_CLEAR_COLOR (1 << 0)
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#define RENDER_TARGET_CLEAR_DEPTH (1 << 1)
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namespace Dawn {
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class RenderTarget {
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public:
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Event<float_t, float_t> onResize;
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/**
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* Return the width of the render target.
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*
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* @return The width of the render target.
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*/
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virtual float_t getWidth() = 0;
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/**
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* Return the height of the render target.
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*
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* @return The height of the render target.
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*/
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virtual float_t getHeight() = 0;
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/**
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* Returns the scale (as in pixel density) of the render target. This is
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* typically 1.0f, but on high DPI displays this may be 2.0f or higher.
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*
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* @return The scale of the render target.
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*/
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virtual float_t getScale() = 0;
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/**
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* Sets the clear color of the render target when the clear method for
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* the color buffer is requested.
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*
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* @param color Color to use for the clear operation.
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*/
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virtual void setClearColor(const struct Color color) = 0;
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/**
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* Request the existing data in the render target to be cleared out. We
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* typically assume the render target can support multiple buffer types,
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* so you can opt to only clear certain buffer types.
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*
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* @param clearFlags Flags to request what is going to be cleared.
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*/
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virtual void clear(const int32_t clearFlags) = 0;
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/**
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* Bind the render target for rendering to. The proceeding render requests
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* will want to render to this render target directly. In future I may
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* see if we can have multiple render targets bound at once to make this
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* operation perform faster.
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*/
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virtual void bind() = 0;
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/**
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* Destroys the render target.
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*/
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virtual ~RenderTarget() {
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}
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};
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} |