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Use floating point values for viewport, clip rectangle, and texture sizes

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These are integer values internally, but the API has been changed to make it easier to mix other render code with querying those values.

Fixes https://github.com/libsdl-org/SDL/issues/7519
This commit is contained in:
Sam Lantinga
2024-06-12 09:21:02 -07:00
parent 463984ec20
commit 9fb5a9ccac
29 changed files with 624 additions and 585 deletions
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16
test/testcamera.c
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@@ -234,7 +234,7 @@ int SDL_AppIterate(void *appstate)
SDL_SetRenderDrawColor(renderer, 0x99, 0x99, 0x99, 255);
SDL_RenderClear(renderer);
int win_w, win_h, tw, th;
float win_w, win_h, tw, th;
SDL_FRect d;
Uint64 timestampNS = 0;
SDL_Surface *frame_next = camera ? SDL_AcquireCameraFrame(camera, &timestampNS) : NULL;
@@ -261,8 +261,8 @@ int SDL_AppIterate(void *appstate)
if (frame_current) {
if (!texture ||
SDL_QueryTexture(texture, NULL, NULL, &tw, &th) < 0 ||
tw != frame_current->w || th != frame_current->h) {
SDL_GetTextureSize(texture, &tw, &th) < 0 ||
(int)tw != frame_current->w || (int)th != frame_current->h) {
/* Resize the window to match */
SDL_SetWindowSize(window, frame_current->w, frame_current->h);
@@ -284,12 +284,12 @@ int SDL_AppIterate(void *appstate)
texture_updated = SDL_TRUE;
}
SDL_QueryTexture(texture, NULL, NULL, &tw, &th);
SDL_GetTextureSize(texture, &tw, &th);
SDL_GetRenderOutputSize(renderer, &win_w, &win_h);
d.x = (float) ((win_w - tw) / 2);
d.y = (float) ((win_h - th) / 2);
d.w = (float) tw;
d.h = (float) th;
d.x = ((win_w - tw) / 2);
d.y = ((win_h - th) / 2);
d.w = tw;
d.h = th;
SDL_RenderTexture(renderer, texture, NULL, &d);
}