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This commit is contained in:
Romain Vimont
2021-02-21 22:07:51 +01:00
parent 3ed6e70814
commit da44fa4476
3 changed files with 89 additions and 4 deletions
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40
app/src/screen.c
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@@ -213,7 +213,7 @@ create_texture(struct screen *screen) {
return NULL;
}
if (screen->mipmaps) {
if (screen->scale_filter == SC_SCALE_FILTER_TRILINEAR) {
struct sc_opengl *gl = &screen->gl;
SDL_GL_BindTexture(texture, NULL, NULL);
@@ -229,6 +229,12 @@ create_texture(struct screen *screen) {
return texture;
}
static inline bool
is_swscale(enum sc_scale_filter scale_filter) {
return scale_filter != SC_SCALE_FILTER_NONE
&& scale_filter != SC_SCALE_FILTER_TRILINEAR;
}
bool
screen_init_rendering(struct screen *screen, const char *window_title,
struct size frame_size, bool always_on_top,
@@ -301,10 +307,10 @@ screen_init_rendering(struct screen *screen, const char *window_title,
2, 0 /* OpenGL ES 2.0+ */);
if (supports_mipmaps) {
LOGI("Trilinear filtering enabled");
screen->mipmaps = true;
} else {
LOGW("Trilinear filtering disabled "
"(OpenGL 3.0+ or ES 2.0+ required)");
scale_filter = SC_SCALE_FILTER_NONE;
}
} else {
LOGI("Trilinear filtering disabled");
@@ -313,6 +319,29 @@ screen_init_rendering(struct screen *screen, const char *window_title,
LOGD("Trilinear filtering disabled (not an OpenGL renderer)");
}
screen->use_swscale = is_swscale(scale_filter);
if (screen->use_swscale) {
bool ok = sc_resizer_init(&screen->resizer, screen->vb,
&screen->resizer_vb, scale_filter,
window_size);
if (!ok) {
LOGE("Could not create resizer");
SDL_DestroyRenderer(screen->renderer);
SDL_DestroyWindow(screen->window);
return false;
}
ok = sc_resizer_start(&screen->resizer);
if (!ok) {
LOGE("Could not start resizer");
sc_resizer_destroy(&screen->resizer);
SDL_DestroyRenderer(screen->renderer);
SDL_DestroyWindow(screen->window);
}
}
screen->scale_filter = scale_filter;
SDL_Surface *icon = read_xpm(icon_xpm);
if (icon) {
SDL_SetWindowIcon(screen->window, icon);
@@ -348,6 +377,11 @@ screen_show_window(struct screen *screen) {
void
screen_destroy(struct screen *screen) {
if (screen->use_swscale) {
sc_resizer_stop(&screen->resizer);
sc_resizer_join(&screen->resizer);
sc_resizer_destroy(&screen->resizer);
}
if (screen->texture) {
SDL_DestroyTexture(screen->texture);
}
@@ -448,7 +482,7 @@ update_texture(struct screen *screen, const AVFrame *frame) {
frame->data[1], frame->linesize[1],
frame->data[2], frame->linesize[2]);
if (screen->mipmaps) {
if (screen->scale_filter == SC_SCALE_FILTER_TRILINEAR) {
SDL_GL_BindTexture(screen->texture, NULL, NULL);
screen->gl.GenerateMipmap(GL_TEXTURE_2D);
SDL_GL_UnbindTexture(screen->texture);