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Add support for SCALE_2X (#75)

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Austin Hurst 2023-06-12 04:52:04 -03:00 committed by GitHub
parent 7bbc6dc29f
commit 55fb75bc77
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 4 deletions
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19
src/plib/gnw/svga.cc
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@ -103,6 +103,7 @@ void reset_mode()
static int GNW95_init_mode_ex(int width, int height, int bpp)
{
bool fullscreen = true;
int scale = 1;
Config resolutionConfig;
if (config_init(&resolutionConfig)) {
@ -121,11 +122,23 @@ static int GNW95_init_mode_ex(int width, int height, int bpp)
if (configGetBool(&resolutionConfig, "MAIN", "WINDOWED", &windowed)) {
fullscreen = !windowed;
}
int scaleValue;
if (config_get_value(&resolutionConfig, "MAIN", "SCALE_2X", &scaleValue)) {
scale = scaleValue + 1; // 0 = 1x, 1 = 2x
// Only allow scaling if resulting game resolution is >= 640x480
if ((width / scale) < 640 || (height / scale) < 480) {
scale = 1;
} else {
width /= scale;
height /= scale;
}
}
}
config_exit(&resolutionConfig);
}
if (GNW95_init_window(width, height, fullscreen) == -1) {
if (GNW95_init_window(width, height, fullscreen, scale) == -1) {
return -1;
}
@ -152,7 +165,7 @@ static int GNW95_init_mode(int width, int height)
}
// 0x4CAEDC
int GNW95_init_window(int width, int height, bool fullscreen)
int GNW95_init_window(int width, int height, bool fullscreen, int scale)
{
if (gSdlWindow == NULL) {
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
@ -167,7 +180,7 @@ int GNW95_init_window(int width, int height, bool fullscreen)
windowFlags |= SDL_WINDOW_FULLSCREEN;
}
gSdlWindow = SDL_CreateWindow(GNW95_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, windowFlags);
gSdlWindow = SDL_CreateWindow(GNW95_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width * scale, height * scale, windowFlags);
if (gSdlWindow == NULL) {
return -1;
}

2
src/plib/gnw/svga.h
View File

@ -30,7 +30,7 @@ int init_mode_1280_1024();
int init_vesa_mode(int mode, int width, int height, int half);
int get_start_mode();
void reset_mode();
int GNW95_init_window(int width, int height, bool fullscreen);
int GNW95_init_window(int width, int height, bool fullscreen, int scale);
int GNW95_init_DirectDraw(int width, int height, int bpp);
void GNW95_reset_mode();
void GNW95_SetPaletteEntries(unsigned char* a1, int a2, int a3);