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Update the viewport when logical presentation changes

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Fixes https://github.com/libsdl-org/SDL/issues/13256
This commit is contained in:
Sam Lantinga
2025-06-25 09:42:23 -07:00
parent de6a23028a
commit 727b4924c8
1 changed files with 5 additions and 3 deletions
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8
src/render/SDL_render.c
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@@ -2743,6 +2743,8 @@ static void UpdateLogicalPresentation(SDL_Renderer *renderer)
view->pixel_h = (int) view->logical_dst_rect.h; view->pixel_h = (int) view->logical_dst_rect.h;
UpdatePixelViewport(renderer, view); UpdatePixelViewport(renderer, view);
UpdatePixelClipRect(renderer, view); UpdatePixelClipRect(renderer, view);
QueueCmdSetViewport(renderer);
QueueCmdSetClipRect(renderer);
} }
bool SDL_SetRenderLogicalPresentation(SDL_Renderer *renderer, int w, int h, SDL_RendererLogicalPresentation mode) bool SDL_SetRenderLogicalPresentation(SDL_Renderer *renderer, int w, int h, SDL_RendererLogicalPresentation mode)
@@ -3663,7 +3665,7 @@ bool SDL_RenderLines(SDL_Renderer *renderer, const SDL_FPoint *points, int count
#endif #endif
SDL_RenderViewState *view = renderer->view; SDL_RenderViewState *view = renderer->view;
const bool islogical = ((view == &renderer->main_view) && (view->logical_presentation_mode != SDL_LOGICAL_PRESENTATION_DISABLED)); const bool islogical = (view->logical_presentation_mode != SDL_LOGICAL_PRESENTATION_DISABLED);
if (islogical || (renderer->line_method == SDL_RENDERLINEMETHOD_GEOMETRY)) { if (islogical || (renderer->line_method == SDL_RENDERLINEMETHOD_GEOMETRY)) {
const float scale_x = view->current_scale.x; const float scale_x = view->current_scale.x;
@@ -3682,7 +3684,7 @@ bool SDL_RenderLines(SDL_Renderer *renderer, const SDL_FPoint *points, int count
int num_indices = 0; int num_indices = 0;
const int size_indices = 4; const int size_indices = 4;
int cur_index = -4; int cur_index = -4;
const int is_looping = (points[0].x == points[count - 1].x && points[0].y == points[count - 1].y); const bool is_looping = (points[0].x == points[count - 1].x && points[0].y == points[count - 1].y);
SDL_FPoint p; // previous point SDL_FPoint p; // previous point
p.x = p.y = 0.0f; p.x = p.y = 0.0f;
/* p q /* p q
@@ -3714,7 +3716,7 @@ bool SDL_RenderLines(SDL_Renderer *renderer, const SDL_FPoint *points, int count
num_indices += 3; num_indices += 3;
// closed polyline, don´t draw twice the point // closed polyline, don´t draw twice the point
if (i || is_looping == 0) { if (i || !is_looping) {
ADD_TRIANGLE(4, 5, 6) ADD_TRIANGLE(4, 5, 6)
ADD_TRIANGLE(4, 6, 7) ADD_TRIANGLE(4, 6, 7)
} }