108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
// IAEngine: 2D Game Engine by IA
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// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include <Renderer/GPUResourceManager.hpp>
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#include <Renderer/Pipeline.hpp>
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namespace ia::iae
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{
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class Renderer
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{
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public:
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struct Geometry
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{
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INT32 IndexCount{};
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SDL_GPUBuffer *IndexBuffer;
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SDL_GPUBuffer *VertexBuffer;
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};
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struct State
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{
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BOOL FlippedH{false};
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BOOL FlippedV{false};
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BOOL CameraRelative{true};
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Color ColorOverlay{};
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Vec2 TextureOffset{0.0f, 0.0f};
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Vec2 Position{};
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Vec2 Scale{};
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FLOAT32 Rotation;
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SDL_Rect Scissor{};
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SDL_GPUTexture *ActiveTexture{nullptr};
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};
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struct DrawEntry
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{
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UINT8 Layer{};
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UINT16 SortIndex{};
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State DrawState{};
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Geometry *GeometryHandle{};
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};
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public:
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STATIC VOID Initialize();
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STATIC VOID Terminate();
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STATIC VOID BeginFrame();
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STATIC VOID EndFrame();
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STATIC VOID WaitForGPUIdle();
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STATIC VOID OnScreenResize(IN INT32 newWidth, IN INT32 newHeight);
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public:
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STATIC Geometry *CreateGeometry(IN CONST Vector<GeometryVertex> &vertices, IN CONST Vector<INT32> &indices);
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STATIC VOID DestroyGeometry(IN Geometry *handle);
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STATIC VOID DrawGeometry(IN Geometry *handle, IN SDL_GPUTexture* texture, IN Vec2 position, IN Vec2 scale, IN FLOAT32 rotation,
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IN UINT8 layer, IN UINT16 sortIndex);
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STATIC VOID DrawText(IN CONST String &text, IN Vec2 position, IN FLOAT32 scale, IN FLOAT32 rotation,
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IN UINT8 layer, IN UINT16 sortIndex);
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STATIC SDL_GPUTextureFormat GetRenderTargetFormat();
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STATIC SDL_GPUDevice *GetDevice()
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{
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return s_gpuDevice;
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}
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private:
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STATIC VOID Draw(IN CONST DrawEntry &entity);
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private:
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STATIC State s_state;
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STATIC INT32 s_screenWidth;
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STATIC INT32 s_screenHeight;
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STATIC SDL_GPUDevice *s_gpuDevice;
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STATIC Pipeline *s_geometryPipeline;
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STATIC Geometry *s_quadGeometry;
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STATIC Geometry *s_circleGeometry;
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STATIC Vector<DrawEntry> s_drawEntries;
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STATIC SDL_GPURenderPass *s_activeRenderPass;
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STATIC SDL_GPUCommandBuffer *s_activeCommandBuffer;
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STATIC SDL_GPUColorTargetInfo s_colorTargetInfo;
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STATIC class CameraComponent *s_activeCamera;
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STATIC BOOL s_ySortingEnabled;
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STATIC SDL_Rect s_defaultScissor;
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STATIC SDL_GPUViewport s_defaultViewport;
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friend class Engine;
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};
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} // namespace ia::iae
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