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[client] egl: support scaled UI for high DPI displays

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Quantum 2021-02-21 00:47:38 -05:00 committed by Geoffrey McRae
parent 447aedc9a3
commit 3ec73e2444
1 changed files with 15 additions and 12 deletions
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27
client/renderers/EGL/egl.c
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@ -384,30 +384,33 @@ void egl_on_resize(void * opaque, const int width, const int height, const doubl
{ {
struct Inst * this = (struct Inst *)opaque; struct Inst * this = (struct Inst *)opaque;
this->width = width; this->width = width * scale;
this->height = height; this->height = height * scale;
this->rotate = rotate; this->rotate = rotate;
memcpy(&this->destRect, &destRect, sizeof(LG_RendererRect)); this->destRect.x = destRect.x * scale;
this->destRect.y = destRect.y * scale;
this->destRect.w = destRect.w * scale;
this->destRect.h = destRect.h * scale;
glViewport(0, 0, width, height); glViewport(0, 0, this->width, this->height);
if (destRect.valid) if (destRect.valid)
{ {
this->translateX = 1.0f - (((destRect.w / 2) + destRect.x) * 2) / (float)width; this->translateX = 1.0f - (((this->destRect.w / 2) + this->destRect.x) * 2) / (float)this->width;
this->translateY = 1.0f - (((destRect.h / 2) + destRect.y) * 2) / (float)height; this->translateY = 1.0f - (((this->destRect.h / 2) + this->destRect.y) * 2) / (float)this->height;
this->scaleX = (float)destRect.w / (float)width; this->scaleX = (float)this->destRect.w / (float)this->width;
this->scaleY = (float)destRect.h / (float)height; this->scaleY = (float)this->destRect.h / (float)this->height;
this->viewportWidth = destRect.w; this->viewportWidth = this->destRect.w;
this->viewportHeight = destRect.h; this->viewportHeight = this->destRect.h;
} }
egl_update_scale_type(this); egl_update_scale_type(this);
egl_calc_mouse_size(this); egl_calc_mouse_size(this);
this->splashRatio = (float)width / (float)height; this->splashRatio = (float)width / (float)height;
this->screenScaleX = 1.0f / width; this->screenScaleX = 1.0f / this->width;
this->screenScaleY = 1.0f / height; this->screenScaleY = 1.0f / this->height;
egl_calc_mouse_state(this); egl_calc_mouse_state(this);
} }