76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
#pragma once
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/*
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MIT License
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Copyright (c) 2024 - 2025 tobid7
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <pd/core/core.hpp>
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#include <pd/lithium/command.hpp>
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#include <pd/lithium/rect.hpp>
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#include <pd/lithium/texture.hpp>
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using LIBackendFlags = PD::u32;
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enum LIBackendFlags_ {
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LIBackendFlags_None = 0,
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LIBackendFlags_FlipUV_Y = 1 << 0, // Essential for Font Loading
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};
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namespace PD {
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namespace LI {
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class Backend {
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public:
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Backend(const std::string& name = "NullBackend") : pName(name) {}
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~Backend() = default;
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// Using Legacy SmartCTOR API here
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PD_SMART_CTOR(Backend)
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virtual void Init() {}
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virtual void Deinit() {}
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virtual void NewFrame() {}
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virtual void BindTexture(TexAddress addr) {}
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virtual void RenderDrawData(const Vec<Command::Ref>& Commands) {}
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virtual Texture::Ref LoadTexture(
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const std::vector<PD::u8>& pixels, int w, int h,
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Texture::Type type = Texture::Type::RGBA32,
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Texture::Filter filter = Texture::Filter::LINEAR) {
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// Texture loading not supported (when this func not get override)
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return nullptr;
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}
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/** Backend identification name */
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const std::string pName = "NullBackend";
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LIBackendFlags Flags = 0;
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ivec2 ViewPort;
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fvec4 ClearColor;
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// Optional Index Counter
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int IndexCounter = 0;
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// Optional Vertex Counter
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int VertexCounter = 0;
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// Optional Frame Counter
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int FrameCounter = 0;
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};
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} // namespace LI
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} // namespace PD
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