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Merge pull request #5234 from lioncash/tuple

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RenderBase: Return tuples from CalculateTargetScale and ConvertStereoRectangle instead of using out parameters
This commit is contained in:
Markus Wick
2017-04-11 10:27:16 +02:00
committed by GitHub
parent ae80a7541d c7ab6861c2
commit 4e90c5da8b
6 changed files with 57 additions and 47 deletions
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84
Source/Core/VideoCommon/RenderBase.cpp
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@ -163,49 +163,52 @@ float Renderer::EFBToScaledYf(float y) const
return y * ((float)GetTargetHeight() / (float)EFB_HEIGHT);
}
void Renderer::CalculateTargetScale(int x, int y, int* scaledX, int* scaledY) const
std::tuple<int, int> Renderer::CalculateTargetScale(int x, int y) const
{
if (g_ActiveConfig.iEFBScale == SCALE_AUTO || g_ActiveConfig.iEFBScale == SCALE_AUTO_INTEGRAL)
{
*scaledX = x;
*scaledY = y;
}
else
{
*scaledX = x * (int)m_efb_scale_numeratorX / (int)m_efb_scale_denominatorX;
*scaledY = y * (int)m_efb_scale_numeratorY / (int)m_efb_scale_denominatorY;
return std::make_tuple(x, y);
}
const int scaled_x =
x * static_cast<int>(m_efb_scale_numeratorX) / static_cast<int>(m_efb_scale_denominatorX);
const int scaled_y =
y * static_cast<int>(m_efb_scale_numeratorY) / static_cast<int>(m_efb_scale_denominatorY);
return std::make_tuple(scaled_x, scaled_y);
}
// return true if target size changed
bool Renderer::CalculateTargetSize()
{
int newEFBWidth, newEFBHeight;
newEFBWidth = newEFBHeight = 0;
m_last_efb_scale = g_ActiveConfig.iEFBScale;
int new_efb_width = 0;
int new_efb_height = 0;
// TODO: Ugly. Clean up
switch (m_last_efb_scale)
{
case SCALE_AUTO:
case SCALE_AUTO_INTEGRAL:
newEFBWidth = FramebufferManagerBase::ScaleToVirtualXfbWidth(EFB_WIDTH, m_target_rectangle);
newEFBHeight = FramebufferManagerBase::ScaleToVirtualXfbHeight(EFB_HEIGHT, m_target_rectangle);
new_efb_width = FramebufferManagerBase::ScaleToVirtualXfbWidth(EFB_WIDTH, m_target_rectangle);
new_efb_height =
FramebufferManagerBase::ScaleToVirtualXfbHeight(EFB_HEIGHT, m_target_rectangle);
if (m_last_efb_scale == SCALE_AUTO_INTEGRAL)
{
m_efb_scale_numeratorX = m_efb_scale_numeratorY =
std::max((newEFBWidth - 1) / EFB_WIDTH + 1, (newEFBHeight - 1) / EFB_HEIGHT + 1);
std::max((new_efb_width - 1) / EFB_WIDTH + 1, (new_efb_height - 1) / EFB_HEIGHT + 1);
m_efb_scale_denominatorX = m_efb_scale_denominatorY = 1;
newEFBWidth = EFBToScaledX(EFB_WIDTH);
newEFBHeight = EFBToScaledY(EFB_HEIGHT);
new_efb_width = EFBToScaledX(EFB_WIDTH);
new_efb_height = EFBToScaledY(EFB_HEIGHT);
}
else
{
m_efb_scale_numeratorX = newEFBWidth;
m_efb_scale_numeratorX = new_efb_width;
m_efb_scale_denominatorX = EFB_WIDTH;
m_efb_scale_numeratorY = newEFBHeight;
m_efb_scale_numeratorY = new_efb_height;
m_efb_scale_denominatorY = EFB_HEIGHT;
}
break;
@ -244,53 +247,56 @@ bool Renderer::CalculateTargetSize()
break;
}
if (m_last_efb_scale > SCALE_AUTO_INTEGRAL)
CalculateTargetScale(EFB_WIDTH, EFB_HEIGHT, &newEFBWidth, &newEFBHeight);
std::tie(new_efb_width, new_efb_height) = CalculateTargetScale(EFB_WIDTH, EFB_HEIGHT);
if (newEFBWidth != m_target_width || newEFBHeight != m_target_height)
if (new_efb_width != m_target_width || new_efb_height != m_target_height)
{
m_target_width = newEFBWidth;
m_target_height = newEFBHeight;
m_target_width = new_efb_width;
m_target_height = new_efb_height;
PixelShaderManager::SetEfbScaleChanged(EFBToScaledXf(1), EFBToScaledYf(1));
return true;
}
return false;
}
void Renderer::ConvertStereoRectangle(const TargetRectangle& rc, TargetRectangle& leftRc,
TargetRectangle& rightRc) const
std::tuple<TargetRectangle, TargetRectangle>
Renderer::ConvertStereoRectangle(const TargetRectangle& rc) const
{
// Resize target to half its original size
TargetRectangle drawRc = rc;
TargetRectangle draw_rc = rc;
if (g_ActiveConfig.iStereoMode == STEREO_TAB)
{
// The height may be negative due to flipped rectangles
int height = rc.bottom - rc.top;
drawRc.top += height / 4;
drawRc.bottom -= height / 4;
draw_rc.top += height / 4;
draw_rc.bottom -= height / 4;
}
else
{
int width = rc.right - rc.left;
drawRc.left += width / 4;
drawRc.right -= width / 4;
draw_rc.left += width / 4;
draw_rc.right -= width / 4;
}
// Create two target rectangle offset to the sides of the backbuffer
leftRc = drawRc, rightRc = drawRc;
TargetRectangle left_rc = draw_rc;
TargetRectangle right_rc = draw_rc;
if (g_ActiveConfig.iStereoMode == STEREO_TAB)
{
leftRc.top -= m_backbuffer_height / 4;
leftRc.bottom -= m_backbuffer_height / 4;
rightRc.top += m_backbuffer_height / 4;
rightRc.bottom += m_backbuffer_height / 4;
left_rc.top -= m_backbuffer_height / 4;
left_rc.bottom -= m_backbuffer_height / 4;
right_rc.top += m_backbuffer_height / 4;
right_rc.bottom += m_backbuffer_height / 4;
}
else
{
leftRc.left -= m_backbuffer_width / 4;
leftRc.right -= m_backbuffer_width / 4;
rightRc.left += m_backbuffer_width / 4;
rightRc.right += m_backbuffer_width / 4;
left_rc.left -= m_backbuffer_width / 4;
left_rc.right -= m_backbuffer_width / 4;
right_rc.left += m_backbuffer_width / 4;
right_rc.right += m_backbuffer_width / 4;
}
return std::make_tuple(left_rc, right_rc);
}
void Renderer::SaveScreenshot(const std::string& filename, bool wait_for_completion)
@ -650,7 +656,7 @@ void Renderer::SetWindowSize(int width, int height)
height = std::max(height, 1);
// Scale the window size by the EFB scale.
CalculateTargetScale(width, height, &width, &height);
std::tie(width, height) = CalculateTargetScale(width, height);
float scaled_width, scaled_height;
std::tie(scaled_width, scaled_height) = ScaleToDisplayAspectRatio(width, height);