andrew/libakgl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Start abstracting the rendering backend away to make it easier to switch to GPU rendering later

Browse Source
This commit is contained in:
Andrew Kesterson
2026-05-24 21:59:29 -04:00
parent 8f613397d6
commit 6314ad7f26
13 changed files with 159 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/akgl/SDL_GameControllerDB.h
View File

@@ -1,7 +1,7 @@
#ifndef _SDL_GAMECONTROLLERDB_H_
#define _SDL_GAMECONTROLLERDB_H_
// Taken from https://raw.githubusercontent.com/mdqinc/SDL_GameControllerDB/refs/heads/master/gamecontrollerdb.txt on Sun May 24 07:53:58 PM EDT 2026
// Taken from https://raw.githubusercontent.com/mdqinc/SDL_GameControllerDB/refs/heads/master/gamecontrollerdb.txt on Sun May 24 09:58:23 PM EDT 2026
#define AKGL_SDL_GAMECONTROLLER_DB_LEN 2228

4
include/akgl/actor.h
View File

@@ -77,7 +77,7 @@ typedef struct akgl_Actor {
struct akgl_Actor *children[AKGL_ACTOR_MAX_CHILDREN];
struct akgl_Actor *parent;
akerr_ErrorContext AKERR_NOIGNORE *(*updatefunc)(struct akgl_Actor *obj);
akerr_ErrorContext AKERR_NOIGNORE *(*renderfunc)(struct akgl_Actor *obj, SDL_Renderer *renderer);
akerr_ErrorContext AKERR_NOIGNORE *(*renderfunc)(struct akgl_Actor *obj);
akerr_ErrorContext AKERR_NOIGNORE *(*facefunc)(struct akgl_Actor *obj);
akerr_ErrorContext AKERR_NOIGNORE *(*movementlogicfunc)(struct akgl_Actor *obj, SDL_Time curtimems);
akerr_ErrorContext AKERR_NOIGNORE *(*changeframefunc)(struct akgl_Actor *obj, akgl_Sprite *curSprite, SDL_Time curtimems);
@@ -86,7 +86,7 @@ typedef struct akgl_Actor {
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_initialize(akgl_Actor *obj, char *name);
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_set_character(akgl_Actor *obj, char *basecharname);
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_render(akgl_Actor *obj, SDL_Renderer *renderer);
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_render(akgl_Actor *obj);
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_update(akgl_Actor *obj);
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_logic_movement(akgl_Actor *obj, SDL_Time curtimems);
akerr_ErrorContext AKERR_NOIGNORE *akgl_actor_logic_changeframe(akgl_Actor *obj, akgl_Sprite *curSprite, SDL_Time curtimems);

3
include/akgl/game.h
View File

@@ -5,6 +5,7 @@
#include "types.h"
#include <SDL3_mixer/SDL_mixer.h>
#include "tilemap.h"
#include "renderer.h"
#define AKGL_VERSION "0.1.0"
@@ -41,13 +42,13 @@ typedef struct {
} akgl_Game;
extern SDL_Window *window;
extern SDL_Renderer *renderer;
extern akgl_Tilemap gamemap;
extern MIX_Audio *bgm;
extern MIX_Mixer *akgl_mixer;
extern MIX_Track *akgl_tracks[AKGL_GAME_AUDIO_MAX_TRACKS];
extern SDL_FRect camera;
extern akgl_Game game;
extern akgl_RenderBackend renderer;
#define AKGL_BITMASK_HAS(x, y) (x & y) == y
#define AKGL_BITMASK_ADD(x, y) x |= y

25
include/akgl/renderer.h Normal file
View File

@@ -0,0 +1,25 @@
#ifndef _RENDERER_H_
#define _RENDERER_H_
#include <SDL3/SDL.h>
#include <akerror.h>
typedef struct akgl_RenderBackend {
SDL_Renderer *sdl_renderer;
akerr_ErrorContext AKERR_NOIGNORE *(*shutdown)(struct akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *(*frame_start)(struct akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *(*frame_end)(struct akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *(*draw_texture)(struct akgl_RenderBackend *self, SDL_Texture *texture, SDL_FRect *src, SDL_FRect *dest, double angle, SDL_FPoint *center, SDL_FlipMode flip);
akerr_ErrorContext AKERR_NOIGNORE *(*draw_mesh)(struct akgl_RenderBackend *self);
} akgl_RenderBackend;
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_shutdown(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_start(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_end(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_texture(akgl_RenderBackend *self, SDL_Texture *texture, SDL_FRect *src, SDL_FRect *dest, double angle, SDL_FPoint *center, SDL_FlipMode flip);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_mesh(akgl_RenderBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_init2d(akgl_RenderBackend *self);
#endif // _RENDERER_H_

4
include/akgl/tilemap.h
View File

@@ -101,8 +101,8 @@ typedef struct {
} akgl_Tilemap;
akerr_ErrorContext AKERR_NOIGNORE *akgl_tilemap_load(char *fname, akgl_Tilemap *dest);
akerr_ErrorContext AKERR_NOIGNORE *akgl_tilemap_draw(SDL_Renderer *renderer, akgl_Tilemap *dest, SDL_FRect *viewport, int layeridx);
akerr_ErrorContext AKERR_NOIGNORE *akgl_tilemap_draw_tileset(SDL_Renderer *renderer, akgl_Tilemap *dest, int tilesetidx);
akerr_ErrorContext AKERR_NOIGNORE *akgl_tilemap_draw(akgl_Tilemap *dest, SDL_FRect *viewport, int layeridx);
akerr_ErrorContext AKERR_NOIGNORE *akgl_tilemap_draw_tileset(akgl_Tilemap *dest, int tilesetidx);
/*
* These functions are part of the internal API and should not be called by the user.