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VideoBackends: Scale bounding box rectangle in the pixel shader

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This commit is contained in:
Stenzek
2019-03-20 22:14:38 +10:00
parent 20999db93c
commit 16294acd2a
5 changed files with 59 additions and 145 deletions
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41
Source/Core/VideoBackends/OGL/Render.cpp
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@ -837,49 +837,30 @@ void Renderer::SetScissorRect(const MathUtil::Rectangle<int>& rc)
u16 Renderer::BBoxRead(int index)
{
int swapped_index = index;
// swap 2 and 3 for top/bottom
if (index >= 2)
swapped_index ^= 1; // swap 2 and 3 for top/bottom
index ^= 1;
// Here we get the min/max value of the truncated position of the upscaled and swapped
// framebuffer.
// So we have to correct them to the unscaled EFB sizes.
int value = BoundingBox::Get(swapped_index);
if (index < 2)
{
// left/right
value = value * EFB_WIDTH / m_target_width;
}
else
int value = BoundingBox::Get(index);
if (index >= 2)
{
// up/down -- we have to swap up and down
value = value * EFB_HEIGHT / m_target_height;
value = EFB_HEIGHT - value - 1;
value = EFB_HEIGHT - value;
}
if (index & 1)
value++; // fix max values to describe the outer border
return value;
return static_cast<u16>(value);
}
void Renderer::BBoxWrite(int index, u16 _value)
void Renderer::BBoxWrite(int index, u16 value)
{
int value = _value; // u16 isn't enough to multiply by the efb width
if (index & 1)
value--;
if (index < 2)
{
value = value * m_target_width / EFB_WIDTH;
}
else
s32 swapped_value = value;
if (index >= 2)
{
index ^= 1; // swap 2 and 3 for top/bottom
value = EFB_HEIGHT - value - 1;
value = value * m_target_height / EFB_HEIGHT;
swapped_value = EFB_HEIGHT - swapped_value;
}
BoundingBox::Set(index, value);
BoundingBox::Set(index, swapped_value);
}
void Renderer::SetViewport(float x, float y, float width, float height, float near_depth,