initial upload

2026-07-25 17:03:44 +00:00 · 2024-01-10 19:57:50 -08:00
commit a42ec6aeff
308 changed files with 162362 additions and 0 deletions
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+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef RENDER_D3D11_H
+#define RENDER_D3D11_H
+
+#include <windows.h>
+#include <d3d11_1.h>
+#include <d3dcompiler.h>
+
+#pragma comment(lib, "user32")
+#pragma comment(lib, "d3d11")
+#pragma comment(lib, "d3dcompiler")
+
+////////////////////////////////
+//~ rjf: Generated Code
+
+#include "generated/render_d3d11.meta.h"
+
+////////////////////////////////
+//~ rjf: C-side Shader Types
+
+struct R_D3D11_Uniforms_Rect
+{
+  Vec2F32 viewport_size;
+  F32 opacity;
+  F32 _padding0_;
+  Vec4F32 texture_sample_channel_map[4];
+  Vec2F32 texture_t2d_size;
+  Vec2F32 translate;
+  Vec4F32 xform[3];
+  Vec2F32 xform_scale;
+};
+
+struct R_D3D11_Uniforms_Blur
+{
+  Rng2F32 rect;
+  Vec2F32 viewport_size;
+  F32 blur_size;
+  F32 is_vertical;
+  Vec4F32 corner_radii;
+  Vec4F32 kernel[32];
+};
+
+struct R_D3D11_Uniforms_Mesh
+{
+  Mat4x4F32 xform;
+};
+
+////////////////////////////////
+//~ rjf: Main State Types
+
+struct R_D3D11_Tex2D
+{
+  R_D3D11_Tex2D *next;
+  U64 generation;
+  ID3D11Texture2D *texture;
+  ID3D11ShaderResourceView *view;
+  R_Tex2DKind kind;
+  Vec2S32 size;
+  R_Tex2DFormat format;
+};
+
+struct R_D3D11_Buffer
+{
+  R_D3D11_Buffer *next;
+  U64 generation;
+  ID3D11Buffer *buffer;
+  R_BufferKind kind;
+  U64 size;
+};
+
+struct R_D3D11_Window
+{
+  R_D3D11_Window *next;
+  U64 generation;
+  
+  // rjf: swapchain/framebuffer
+  IDXGISwapChain1        *swapchain;
+  ID3D11Texture2D        *framebuffer;
+  ID3D11RenderTargetView *framebuffer_rtv;
+  
+  // rjf: staging buffer
+  ID3D11Texture2D *stage_color;
+  ID3D11RenderTargetView *stage_color_rtv;
+  ID3D11ShaderResourceView *stage_color_srv;
+  ID3D11Texture2D *stage_scratch_color;
+  ID3D11RenderTargetView *stage_scratch_color_rtv;
+  ID3D11ShaderResourceView *stage_scratch_color_srv;
+  
+  // rjf: geo3d buffer
+  ID3D11Texture2D *geo3d_color;
+  ID3D11RenderTargetView *geo3d_color_rtv;
+  ID3D11ShaderResourceView *geo3d_color_srv;
+  ID3D11Texture2D *geo3d_depth;
+  ID3D11DepthStencilView *geo3d_depth_dsv;
+  ID3D11ShaderResourceView *geo3d_depth_srv;
+  
+  // rjf: last state
+  Vec2S32 last_resolution;
+};
+
+struct R_D3D11_FlushBuffer
+{
+  R_D3D11_FlushBuffer *next;
+  ID3D11Buffer *buffer;
+};
+
+struct R_D3D11_State
+{
+  // rjf: state
+  Arena *arena;
+  R_D3D11_Window *first_free_window;
+  R_D3D11_Tex2D *first_free_tex2d;
+  R_D3D11_Buffer *first_free_buffer;
+  R_D3D11_Tex2D *first_to_free_tex2d;
+  R_D3D11_Buffer *first_to_free_buffer;
+  OS_Handle device_rw_mutex;
+  
+  // rjf: base d3d11 objects
+  ID3D11Device            *base_device;
+  ID3D11DeviceContext     *base_device_ctx;
+  ID3D11Device1           *device;
+  ID3D11DeviceContext1    *device_ctx;
+  IDXGIDevice1            *dxgi_device;
+  IDXGIAdapter            *dxgi_adapter;
+  IDXGIFactory2           *dxgi_factory;
+  ID3D11RasterizerState1  *main_rasterizer;
+  ID3D11BlendState        *main_blend_state;
+  ID3D11SamplerState      *samplers[R_Tex2DSampleKind_COUNT];
+  ID3D11DepthStencilState *noop_depth_stencil;
+  ID3D11DepthStencilState *plain_depth_stencil;
+  ID3D11Buffer            *instance_scratch_buffer_64kb;
+  
+  // rjf: backups
+  R_Handle backup_texture;
+  
+  // rjf: vertex shaders
+  ID3D11VertexShader *vshads[R_D3D11_VShadKind_COUNT];
+  ID3D11InputLayout *ilays[R_D3D11_VShadKind_COUNT];
+  ID3D11PixelShader *pshads[R_D3D11_PShadKind_COUNT];
+  ID3D11Buffer *uniform_type_kind_buffers[R_D3D11_UniformTypeKind_COUNT];
+  
+  // rjf: buffers to flush at subsequent frame
+  Arena *buffer_flush_arena;
+  R_D3D11_FlushBuffer *first_buffer_to_flush;
+  R_D3D11_FlushBuffer *last_buffer_to_flush;
+};
+
+////////////////////////////////
+//~ rjf: Globals
+
+global R_D3D11_State *r_d3d11_state = 0;
+global R_D3D11_Window r_d3d11_window_nil = {&r_d3d11_window_nil};
+global R_D3D11_Tex2D r_d3d11_tex2d_nil = {&r_d3d11_tex2d_nil};
+global R_D3D11_Buffer r_d3d11_buffer_nil = {&r_d3d11_buffer_nil};
+
+////////////////////////////////
+//~ rjf: Helpers
+
+internal R_D3D11_Window *r_d3d11_window_from_handle(R_Handle handle);
+internal R_Handle r_d3d11_handle_from_window(R_D3D11_Window *window);
+internal R_D3D11_Tex2D *r_d3d11_tex2d_from_handle(R_Handle handle);
+internal R_Handle r_d3d11_handle_from_tex2d(R_D3D11_Tex2D *texture);
+internal R_D3D11_Buffer *r_d3d11_buffer_from_handle(R_Handle handle);
+internal R_Handle r_d3d11_handle_from_buffer(R_D3D11_Buffer *buffer);
+internal ID3D11Buffer *r_d3d11_instance_buffer_from_size(U64 size);
+
+#endif // RENDER_D3D11_H