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BPFunctions: Move GX viewport conversion to VideoCommon

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This commit is contained in:
Stenzek
2018-01-21 22:04:15 +10:00
parent a2d2a0a356
commit 5359396099
12 changed files with 111 additions and 165 deletions
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63
Source/Core/VideoBackends/D3D/Render.cpp
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@ -445,59 +445,17 @@ void Renderer::PokeEFB(EFBAccessType type, const EfbPokeData* points, size_t num
RestoreAPIState();
}
void Renderer::SetViewport()
void Renderer::SetViewport(float x, float y, float width, float height, float near_depth,
float far_depth)
{
// reversed gxsetviewport(xorig, yorig, width, height, nearz, farz)
// [0] = width/2
// [1] = height/2
// [2] = 16777215 * (farz - nearz)
// [3] = xorig + width/2 + 342
// [4] = yorig + height/2 + 342
// [5] = 16777215 * farz
// D3D crashes for zero viewports
if (xfmem.viewport.wd == 0 || xfmem.viewport.ht == 0)
return;
int scissorXOff = bpmem.scissorOffset.x * 2;
int scissorYOff = bpmem.scissorOffset.y * 2;
float X = Renderer::EFBToScaledXf(xfmem.viewport.xOrig - xfmem.viewport.wd - scissorXOff);
float Y = Renderer::EFBToScaledYf(xfmem.viewport.yOrig + xfmem.viewport.ht - scissorYOff);
float Wd = Renderer::EFBToScaledXf(2.0f * xfmem.viewport.wd);
float Ht = Renderer::EFBToScaledYf(-2.0f * xfmem.viewport.ht);
float min_depth = (xfmem.viewport.farZ - xfmem.viewport.zRange) / 16777216.0f;
float max_depth = xfmem.viewport.farZ / 16777216.0f;
if (Wd < 0.0f)
{
X += Wd;
Wd = -Wd;
}
if (Ht < 0.0f)
{
Y += Ht;
Ht = -Ht;
}
// If an inverted or oversized depth range is used, we need to calculate the depth range in the
// vertex shader.
if (UseVertexDepthRange())
{
// We need to ensure depth values are clamped the maximum value supported by the console GPU.
min_depth = 0.0f;
max_depth = GX_MAX_DEPTH;
}
// In D3D, the viewport rectangle must fit within the render target.
X = (X >= 0.f) ? X : 0.f;
Y = (Y >= 0.f) ? Y : 0.f;
Wd = (X + Wd <= GetTargetWidth()) ? Wd : (GetTargetWidth() - X);
Ht = (Y + Ht <= GetTargetHeight()) ? Ht : (GetTargetHeight() - Y);
// We use an inverted depth range here to apply the Reverse Z trick.
// This trick makes sure we match the precision provided by the 1:0
// clipping depth range on the hardware.
D3D11_VIEWPORT vp = CD3D11_VIEWPORT(X, Y, Wd, Ht, 1.0f - max_depth, 1.0f - min_depth);
D3D11_VIEWPORT vp;
vp.TopLeftX = MathUtil::Clamp(x, 0.0f, static_cast<float>(m_target_width - 1));
vp.TopLeftY = MathUtil::Clamp(y, 0.0f, static_cast<float>(m_target_height - 1));
vp.Width = MathUtil::Clamp(width, 1.0f, static_cast<float>(m_target_width) - vp.TopLeftX);
vp.Height = MathUtil::Clamp(height, 1.0f, static_cast<float>(m_target_height) - vp.TopLeftY);
vp.MinDepth = near_depth;
vp.MaxDepth = far_depth;
D3D::context->RSSetViewports(1, &vp);
}
@ -673,7 +631,6 @@ void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region
// begin next frame
RestoreAPIState();
FramebufferManager::BindEFBRenderTarget();
SetViewport();
}
// ALWAYS call RestoreAPIState for each ResetAPIState call you're doing
@ -690,7 +647,7 @@ void Renderer::RestoreAPIState()
D3D::stateman->PopBlendState();
D3D::stateman->PopDepthState();
D3D::stateman->PopRasterizerState();
SetViewport();
BPFunctions::SetViewport();
BPFunctions::SetScissor();
}