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added resolution switching

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including
- Screen Scaling frontend option
- bindings for Cycle Scaling and Toggle Scanlines
- muddiness around SCREEN_* and FIXED_* macros...
This commit is contained in:
Shaun Inman 2023-02-11 17:03:12 -05:00
parent 05d9616d07
commit 6bd06532c8
4 changed files with 327 additions and 96 deletions
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22
src/common/api.h
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@ -20,6 +20,27 @@ void LOG_note(int level, const char* fmt, ...);
///////////////////////////////
#define FIXED_WIDTH 640
#define FIXED_HEIGHT 480
#define FIXED_BPP 2
#define FIXED_DEPTH FIXED_BPP * 8
#define FIXED_PITCH FIXED_WIDTH * FIXED_BPP
#define FIXED_SIZE FIXED_HEIGHT * FIXED_PITCH
#define PAGE_COUNT 2
#define PAGE_SCALE 2
#define PAGE_WIDTH FIXED_WIDTH * PAGE_SCALE
#define PAGE_HEIGHT FIXED_HEIGHT * PAGE_SCALE
#define PAGE_PITCH PAGE_WIDTH * FIXED_BPP
#define PAGE_SIZE PAGE_HEIGHT * PAGE_PITCH
#define VIRTUAL_WIDTH PAGE_WIDTH
#define VIRTUAL_HEIGHT PAGE_HEIGHT * PAGE_COUNT
#define VIRTUAL_PITCH PAGE_WIDTH * FIXED_BPP
#define VIRTUAL_SIZE VIRTUAL_HEIGHT * VIRTUAL_PITCH
///////////////////////////////
extern uint32_t RGB_WHITE;
extern uint32_t RGB_BLACK;
extern uint32_t RGB_LIGHT_GRAY;
@ -70,6 +91,7 @@ enum {
};
SDL_Surface* GFX_init(int mode);
SDL_Surface* GFX_resize(int width, int height, int pitch);
void GFX_setMode(int mode);
void GFX_clear(SDL_Surface* screen);
void GFX_clearAll(void);