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Store rotated content size

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This avoids to compute it every time from the frame size.
This commit is contained in:
Romain Vimont 2020-04-08 14:11:23 +02:00
parent c1ebea26e6
commit f3fba3c4b9
2 changed files with 15 additions and 14 deletions
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22
app/src/screen.c
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@ -185,8 +185,8 @@ screen_init_rendering(struct screen *screen, const char *window_title,
if (rotation) { if (rotation) {
LOGI("Initial display rotation set to %u", rotation); LOGI("Initial display rotation set to %u", rotation);
} }
struct size content_size = struct size content_size = get_rotated_size(frame_size, screen->rotation);
get_rotated_size(frame_size, screen->rotation); screen->content_size = content_size;
struct size window_size = struct size window_size =
get_initial_optimal_size(content_size, window_width, window_height); get_initial_optimal_size(content_size, window_width, window_height);
@ -280,8 +280,7 @@ screen_set_rotation(struct screen *screen, unsigned rotation) {
return; return;
} }
struct size old_content_size = struct size old_content_size = screen->content_size;
get_rotated_size(screen->frame_size, screen->rotation);
struct size new_content_size = struct size new_content_size =
get_rotated_size(screen->frame_size, rotation); get_rotated_size(screen->frame_size, rotation);
@ -302,6 +301,7 @@ screen_set_rotation(struct screen *screen, unsigned rotation) {
target_size = get_optimal_size(target_size, new_content_size); target_size = get_optimal_size(target_size, new_content_size);
set_window_size(screen, target_size); set_window_size(screen, target_size);
screen->content_size = new_content_size;
screen->rotation = rotation; screen->rotation = rotation;
LOGI("Display rotation set to %u", rotation); LOGI("Display rotation set to %u", rotation);
@ -325,8 +325,7 @@ prepare_for_frame(struct screen *screen, struct size new_frame_size) {
// frame dimension changed, destroy texture // frame dimension changed, destroy texture
SDL_DestroyTexture(screen->texture); SDL_DestroyTexture(screen->texture);
struct size content_size = struct size content_size = screen->content_size;
get_rotated_size(screen->frame_size, screen->rotation);
struct size windowed_size = get_windowed_window_size(screen); struct size windowed_size = get_windowed_window_size(screen);
struct size target_size = { struct size target_size = {
(uint32_t) windowed_size.width * new_content_size.width (uint32_t) windowed_size.width * new_content_size.width
@ -338,6 +337,7 @@ prepare_for_frame(struct screen *screen, struct size new_frame_size) {
set_window_size(screen, target_size); set_window_size(screen, target_size);
screen->frame_size = new_frame_size; screen->frame_size = new_frame_size;
screen->content_size = new_content_size;
LOGI("New texture: %" PRIu16 "x%" PRIu16, LOGI("New texture: %" PRIu16 "x%" PRIu16,
screen->frame_size.width, screen->frame_size.height); screen->frame_size.width, screen->frame_size.height);
@ -390,8 +390,7 @@ screen_render(struct screen *screen) {
SDL_Rect *dstrect = NULL; SDL_Rect *dstrect = NULL;
SDL_Rect rect; SDL_Rect rect;
if (screen->rotation & 1) { if (screen->rotation & 1) {
struct size size = struct size size = screen->content_size;
get_rotated_size(screen->frame_size, screen->rotation);
rect.x = (size.width - size.height) / 2; rect.x = (size.width - size.height) / 2;
rect.y = (size.height - size.width) / 2; rect.y = (size.height - size.width) / 2;
rect.w = size.height; rect.w = size.height;
@ -431,10 +430,8 @@ screen_resize_to_fit(struct screen *screen) {
screen->maximized = false; screen->maximized = false;
} }
struct size content_size =
get_rotated_size(screen->frame_size, screen->rotation);
struct size optimal_size = struct size optimal_size =
get_optimal_window_size(screen, content_size); get_optimal_window_size(screen, screen->content_size);
SDL_SetWindowSize(screen->window, optimal_size.width, optimal_size.height); SDL_SetWindowSize(screen->window, optimal_size.width, optimal_size.height);
LOGD("Resized to optimal size"); LOGD("Resized to optimal size");
} }
@ -450,8 +447,7 @@ screen_resize_to_pixel_perfect(struct screen *screen) {
screen->maximized = false; screen->maximized = false;
} }
struct size content_size = struct size content_size = screen->content_size;
get_rotated_size(screen->frame_size, screen->rotation);
SDL_SetWindowSize(screen->window, content_size.width, content_size.height); SDL_SetWindowSize(screen->window, content_size.width, content_size.height);
LOGD("Resized to pixel-perfect"); LOGD("Resized to pixel-perfect");
} }

5
app/src/screen.h
View file

@ -17,6 +17,7 @@ struct screen {
SDL_Renderer *renderer; SDL_Renderer *renderer;
SDL_Texture *texture; SDL_Texture *texture;
struct size frame_size; struct size frame_size;
struct size content_size; // rotated frame_size
// The window size the last time it was not maximized or fullscreen. // The window size the last time it was not maximized or fullscreen.
struct size windowed_window_size; struct size windowed_window_size;
// Since we receive the event SIZE_CHANGED before MAXIMIZED, we must be // Since we receive the event SIZE_CHANGED before MAXIMIZED, we must be
@ -38,6 +39,10 @@ struct screen {
.width = 0, \ .width = 0, \
.height = 0, \ .height = 0, \
}, \ }, \
.content_size = { \
.width = 0, \
.height = 0, \
}, \
.windowed_window_size = { \ .windowed_window_size = { \
.width = 0, \ .width = 0, \
.height = 0, \ .height = 0, \