144 lines
4.4 KiB
C++
Executable File
144 lines
4.4 KiB
C++
Executable File
#pragma once
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/*
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MIT License
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Copyright (c) 2024 - 2026 René Amthor (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/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 = PD_BIT(0), // Essential for font loading
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};
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namespace PD {
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// The backend api nobody asked for
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class GfxDriver2 {
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public:
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GfxDriver2(const std::string& name = "NullGfx") : pName(name) {};
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~GfxDriver2() = default;
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virtual void Init() {}
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virtual void Deinit() {}
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virtual void Draw(const PD::Li::CmdPool& pool) {}
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virtual void TexBind(PD::Li::TexAddress addr) {}
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virtual PD::Li::TexAddress TexLoad(
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const std::vector<PD::u8>& pixels, int w, int h,
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PD::Li::Texture::Type type = PD::Li::Texture::Type::RGBA32,
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PD::Li::Texture::Filter filter = PD::Li::Texture::Filter::LINEAR) {
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return 0;
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}
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virtual void TexDelete(PD::Li::TexAddress tex) {}
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protected:
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const std::string pName;
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LiBackendFlags pFlags = 0;
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size_t CurrentIndex = 0;
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size_t CurrentVertex = 0;
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ivec2 ViewPort;
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};
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class GfxDriver {
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public:
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GfxDriver(const std::string& name = "NullGfx") : pName(name) {};
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~GfxDriver() = default;
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PD_SHARED(GfxDriver);
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void PostInit();
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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 BindTex(Li::TexAddress addr) {}
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virtual void RenderDrawData(const Li::CmdPool& Commands) {}
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void SetViewPort(const ivec2& vp) { ViewPort = vp; }
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virtual Li::Texture::Ref LoadTex(
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const std::vector<u8>& pixels, int w, int h,
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Li::Texture::Type type = Li::Texture::Type::RGBA32,
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Li::Texture::Filter filter = Li::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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virtual void DestroyTex(PD::Li::Texture::Ref tex) {}
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Li::Texture::Ref GetSolidTex() { return pSolid; }
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const std::string pName = "NullGfx";
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LiBackendFlags Flags = 0;
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ivec2 ViewPort;
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Mat4 Projection;
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Li::Texture::Ref pSolid;
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size_t CurrentVertex = 0;
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size_t CurrentIndex = 0;
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/** Debug Variables */
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// Optional Index counter
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u32 IndexCounter;
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// Optional Vertex counter
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u32 VertexCounter;
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// Optional Frame Counter
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u64 FrameCounter;
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};
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/** Static Gfx Controller */
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class Gfx {
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public:
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Gfx() = default;
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~Gfx() = default;
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static void Init(GfxDriver::Ref d);
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static void Deinit() { pGfx->Deinit(); }
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static void NewFrame() { pGfx->NewFrame(); }
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static void BindTex(Li::TexAddress addr) { pGfx->BindTex(addr); }
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static void SetViewPort(const ivec2& vp) { pGfx->SetViewPort(vp); }
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static void SetViewPort(int w, int h) { pGfx->SetViewPort(PD::ivec2(w, h)); }
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static void RenderDrawData(const Li::CmdPool& Commands) {
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pGfx->RenderDrawData(Commands);
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}
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static LiBackendFlags Flags() { return pGfx->Flags; }
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static Li::Texture::Ref LoadTex(
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const std::vector<u8>& pixels, int w, int h,
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Li::Texture::Type type = Li::Texture::Type::RGBA32,
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Li::Texture::Filter filter = Li::Texture::Filter::LINEAR) {
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return pGfx->LoadTex(pixels, w, h, type, filter);
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}
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static void DestroyTex(Li::Texture::Ref tex) { pGfx->DestroyTex(tex); }
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static Li::Texture::Ref GetSolidTex() { return pGfx->GetSolidTex(); }
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static GfxDriver::Ref pGfx;
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};
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} // namespace PD
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