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HostDisplay: Add stretch option

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This commit is contained in:
Connor McLaughlin
2021-02-27 13:53:03 +10:00
parent f18babb97e
commit e17d37b8bc
10 changed files with 65 additions and 21 deletions
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6
src/core/host_display.cpp
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@ -148,9 +148,11 @@ void HostDisplay::CalculateDrawRect(s32 window_width, s32 window_height, float*
float* out_top_padding, float* out_scale, float* out_x_scale,
bool apply_aspect_ratio /* = true */) const
{
const float window_ratio = static_cast<float>(window_width) / static_cast<float>(window_height);
const float display_aspect_ratio = m_display_stretch ? window_ratio : m_display_aspect_ratio;
const float x_scale =
apply_aspect_ratio ?
(m_display_aspect_ratio / (static_cast<float>(m_display_width) / static_cast<float>(m_display_height))) :
(display_aspect_ratio / (static_cast<float>(m_display_width) / static_cast<float>(m_display_height))) :
1.0f;
const float display_width = static_cast<float>(m_display_width) * x_scale;
const float display_height = static_cast<float>(m_display_height);
@ -162,8 +164,6 @@ void HostDisplay::CalculateDrawRect(s32 window_width, s32 window_height, float*
*out_x_scale = x_scale;
// now fit it within the window
const float window_ratio = static_cast<float>(window_width) / static_cast<float>(window_height);
float scale;
if ((display_width / display_height) >= window_ratio)
{