From bd57f345ed9dbed1d81683e48199626de2ea9044 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Fri, 27 Jun 2025 10:18:39 -0700
Subject: Restructure project

---
 src/core/core_impl.h | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/core/core_impl.h

(limited to 'src/core/core_impl.h')

diff --git a/src/core/core_impl.h b/src/core/core_impl.h
new file mode 100644
index 0000000..eefdfbe
--- /dev/null
+++ b/src/core/core_impl.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include <gfx/core.h>
+#include <gfx/sizes.h>
+
+#include "buffer.h"
+#include "framebuffer.h"
+#include "geometry.h"
+#include "renderbuffer.h"
+#include "shader.h"
+#include "shader_program.h"
+#include "texture.h"
+
+#include <mempool.h>
+
+#include <stdint.h>
+
+// TODO: Make a generic (hash, void*) structure and define functions over it.
+// Then define a macro that defines type-safe macros given the type of the
+// entry.
+typedef struct ShaderCacheEntry {
+  uint64_t hash;
+  Shader*  shader;
+} ShaderCacheEntry;
+
+typedef struct ShaderProgramCacheEntry {
+  uint64_t       hash;
+  ShaderProgram* program;
+} ShaderProgramCacheEntry;
+
+DEF_MEMPOOL(buffer_pool, Buffer, GFX_MAX_NUM_BUFFERS)
+DEF_MEMPOOL(framebuffer_pool, FrameBuffer, GFX_MAX_NUM_FRAMEBUFFERS)
+DEF_MEMPOOL(geometry_pool, Geometry, GFX_MAX_NUM_GEOMETRIES)
+DEF_MEMPOOL(renderbuffer_pool, RenderBuffer, GFX_MAX_NUM_RENDERBUFFERS)
+DEF_MEMPOOL(shader_pool, Shader, GFX_MAX_NUM_SHADERS)
+DEF_MEMPOOL(shader_program_pool, ShaderProgram, GFX_MAX_NUM_SHADER_PROGRAMS)
+DEF_MEMPOOL(texture_pool, Texture, GFX_MAX_NUM_TEXTURES)
+
+DEF_MEMPOOL(ShaderCache, ShaderCacheEntry, GFX_MAX_NUM_SHADERS)
+DEF_MEMPOOL(ProgramCache, ShaderProgramCacheEntry, GFX_MAX_NUM_SHADER_PROGRAMS)
+
+typedef struct {
+  int x;
+  int y;
+  int width;
+  int height;
+} Viewport;
+
+typedef struct GfxCore {
+  Viewport viewport;
+  // mempools for render-specific objects: textures, geometry, etc.
+  buffer_pool         buffers;
+  framebuffer_pool    framebuffers;
+  geometry_pool       geometries;
+  renderbuffer_pool   renderbuffers;
+  shader_pool         shaders;
+  shader_program_pool shader_programs;
+  texture_pool        textures;
+  // Caches.
+  ShaderCache  shader_cache;
+  ProgramCache program_cache;
+} GfxCore;
+
+/// Create a new render backend.
+void gfx_init_gfxcore(GfxCore*);
+
+/// Destroy the render backend.
+void gfx_del_gfxcore(GfxCore*);
-- 
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