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Only update viewport rect on resize

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This commit is contained in:
Devine Lu Linvega 2023-07-26 08:37:58 -07:00
parent 289d13aeb4
commit 0efea06b46
1 changed files with 15 additions and 16 deletions
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31
src/uxnemu.c
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@ -48,27 +48,27 @@ WITH REGARD TO THIS SOFTWARE.
static SDL_Window *emu_window; static SDL_Window *emu_window;
static SDL_Texture *emu_texture; static SDL_Texture *emu_texture;
static SDL_Renderer *emu_renderer; static SDL_Renderer *emu_renderer;
static SDL_Rect emu_viewport;
static SDL_AudioDeviceID audio_id; static SDL_AudioDeviceID audio_id;
static SDL_Thread *stdin_thread; static SDL_Thread *stdin_thread;
/* devices */
static int window_created = 0;
static Uint32 stdin_event, audio0_event, zoom = 1;
static Uint64 exec_deadline, deadline_interval, ms_interval;
static char *rom_path;
Uint16 deo_mask[] = {0xff28, 0x0300, 0xc028, 0x8000, 0x8000, 0x8000, 0x8000, 0x0000, 0x0000, 0x0000, 0xa260, 0xa260, 0x0000, 0x0000, 0x0000, 0x0000}; Uint16 deo_mask[] = {0xff28, 0x0300, 0xc028, 0x8000, 0x8000, 0x8000, 0x8000, 0x0000, 0x0000, 0x0000, 0xa260, 0xa260, 0x0000, 0x0000, 0x0000, 0x0000};
Uint16 dei_mask[] = {0x0000, 0x0000, 0x003c, 0x0014, 0x0014, 0x0014, 0x0014, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07ff, 0x0000, 0x0000, 0x0000}; Uint16 dei_mask[] = {0x0000, 0x0000, 0x003c, 0x0014, 0x0014, 0x0014, 0x0014, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07ff, 0x0000, 0x0000, 0x0000};
/* devices */
static Uint32 stdin_event, audio0_event, zoom = 1;
static Uint64 exec_deadline, deadline_interval, ms_interval;
char *rom_path;
int window_created = 0;
static int static int
clamp(int v, int min, int max) clamp(int v, int min, int max)
{ {
return v < min ? min : v > max ? max return v < min ? min : v > max ? max
: v; : v;
} }
static Uint8 static Uint8
audio_dei(int instance, Uint8 *d, Uint8 port) audio_dei(int instance, Uint8 *d, Uint8 port)
{ {
@ -199,6 +199,10 @@ emu_resize(int width, int height)
return system_error("SDL_SetTextureBlendMode", SDL_GetError()); return system_error("SDL_SetTextureBlendMode", SDL_GetError());
if(SDL_UpdateTexture(emu_texture, NULL, uxn_screen.pixels, sizeof(Uint32)) != 0) if(SDL_UpdateTexture(emu_texture, NULL, uxn_screen.pixels, sizeof(Uint32)) != 0)
return system_error("SDL_UpdateTexture", SDL_GetError()); return system_error("SDL_UpdateTexture", SDL_GetError());
emu_viewport.x = PAD;
emu_viewport.y = PAD;
emu_viewport.w = uxn_screen.width;
emu_viewport.h = uxn_screen.height;
set_window_size(emu_window, (width + PAD2) * zoom, (height + PAD2) * zoom); set_window_size(emu_window, (width + PAD2) * zoom, (height + PAD2) * zoom);
return 1; return 1;
} }
@ -206,16 +210,11 @@ emu_resize(int width, int height)
static void static void
emu_redraw(void) emu_redraw(void)
{ {
SDL_Rect r;
r.x = PAD;
r.y = PAD;
r.w = uxn_screen.width;
r.h = uxn_screen.height;
screen_redraw(); screen_redraw();
if(SDL_UpdateTexture(emu_texture, NULL, uxn_screen.pixels, uxn_screen.width * sizeof(Uint32)) != 0) if(SDL_UpdateTexture(emu_texture, NULL, uxn_screen.pixels, uxn_screen.width * sizeof(Uint32)) != 0)
system_error("SDL_UpdateTexture", SDL_GetError()); system_error("SDL_UpdateTexture", SDL_GetError());
SDL_RenderClear(emu_renderer); SDL_RenderClear(emu_renderer);
SDL_RenderCopy(emu_renderer, emu_texture, NULL, &r); SDL_RenderCopy(emu_renderer, emu_texture, NULL, &emu_viewport);
SDL_RenderPresent(emu_renderer); SDL_RenderPresent(emu_renderer);
} }
@ -374,7 +373,7 @@ handle_events(Uxn *u)
uxn_eval(u, PEEK2(&u->dev[0x30 + 0x10 * (event.type - audio0_event)])); uxn_eval(u, PEEK2(&u->dev[0x30 + 0x10 * (event.type - audio0_event)]));
/* Mouse */ /* Mouse */
else if(event.type == SDL_MOUSEMOTION) else if(event.type == SDL_MOUSEMOTION)
mouse_pos(u, &u->dev[0x90], clamp(event.motion.x - PAD, 0, uxn_screen.width), clamp(event.motion.y - PAD, 0, uxn_screen.height)); mouse_pos(u, &u->dev[0x90], clamp(event.motion.x - PAD, 0, uxn_screen.width - 1), clamp(event.motion.y - PAD, 0, uxn_screen.height - 1));
else if(event.type == SDL_MOUSEBUTTONUP) else if(event.type == SDL_MOUSEBUTTONUP)
mouse_up(u, &u->dev[0x90], SDL_BUTTON(event.button.button)); mouse_up(u, &u->dev[0x90], SDL_BUTTON(event.button.button));
else if(event.type == SDL_MOUSEBUTTONDOWN) else if(event.type == SDL_MOUSEBUTTONDOWN)