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Fix ui_display orientation for sokol_framebuffer.h #115

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Merged
floooh merged 2 commits into from
May 11, 2026
Merged

Fix ui_display orientation for sokol_framebuffer.h #115

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618b8db
fix ui_display orientation for sokol_framebuffer.h
floooh May 8, 2026
9b080eb
ui_display.h: clean up ui_display_uv_quad
floooh May 8, 2026
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8 changes: 2 additions & 6 deletions ui/ui_display.h
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Original file line number Diff line number Diff line change
Expand Up @@ -117,16 +117,12 @@ void ui_display_discard(ui_display_t* win) {
win->valid = false;
}

static ui_display_quad_t ui_display_uv_quad(bool origin_top_left, bool portrait) {
static ui_display_quad_t ui_display_uv_quad(bool portrait) {
ui_display_quad_t res = {};
res.v[0] = { 0, 0 };
res.v[1] = { 1, 0 };
res.v[2] = { 1, 1 };
res.v[3] = { 0, 1 };
if (origin_top_left) {
res.v[0].y = res.v[1].y = 1;
res.v[2].y = res.v[3].y = 0;
}
if (portrait) {
ImVec2 v3 = res.v[3];
res.v[3] = res.v[2];
Expand Down Expand Up @@ -188,7 +184,7 @@ void ui_display_draw(ui_display_t* win, const ui_display_frame_t* frame) {
// need to render the image via ImDrawList because we need to specify 4 uv coords
ImDrawList* dl = ImGui::GetWindowDrawList();
const ui_display_quad_t p = ui_display_pos_quad(dim, pixel_aspect);
const ui_display_quad_t uv = ui_display_uv_quad(frame->origin_top_left, frame->portrait);
const ui_display_quad_t uv = ui_display_uv_quad(frame->portrait);
dl->AddImageQuad(frame->tex, p.v[0], p.v[1], p.v[2], p.v[3], uv.v[0], uv.v[1], uv.v[2], uv.v[3], 0xFFFFFFFF);
}
ImGui::End();
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