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Work on CStateManager rendering functions

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This commit is contained in:
Jack Andersen
2017-03-02 21:18:12 -10:00
parent 39040b5ab3
commit 5c884fec0c
28 changed files with 326 additions and 93 deletions
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26
Runtime/Graphics/CGraphics.cpp
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@@ -25,12 +25,10 @@ zeus::CTransform CGraphics::g_ViewMatrix;
zeus::CVector3f CGraphics::g_ViewPoint;
zeus::CTransform CGraphics::g_GXViewPointMatrix;
zeus::CTransform CGraphics::g_CameraMatrix;
zeus::CVector2i CGraphics::g_ViewportResolution;
zeus::CVector2i CGraphics::g_ViewportResolutionHalf;
SClipScreenRect CGraphics::g_CroppedViewport;
int CGraphics::g_ViewportSamples = 1;
bool CGraphics::g_IsGXModelMatrixIdentity = true;
SViewport gViewport = {0, 0, 640, 480, 640 / 2.f, 480 / 2.f};
SViewport g_Viewport = {0, 0, 640, 480, 640 / 2.f, 480 / 2.f};
void CGraphics::DisableAllLights()
{
@@ -380,8 +378,8 @@ void CGraphics::FlushProjection()
zeus::CVector2i CGraphics::ProjectPoint(const zeus::CVector3f& point)
{
zeus::CVector3f projPt = GetPerspectiveProjectionMatrix(false).multiplyOneOverW(point);
return {int(projPt.x * g_ViewportResolutionHalf.x) + g_ViewportResolutionHalf.x,
g_ViewportResolution.y - (int(projPt.y * g_ViewportResolutionHalf.y) + g_ViewportResolutionHalf.y)};
return {int(projPt.x * g_Viewport.x10_halfWidth) + g_Viewport.x10_halfWidth,
g_Viewport.x14_halfHeight - (int(projPt.y * g_Viewport.x14_halfHeight) + g_Viewport.x14_halfHeight)};
}
SClipScreenRect CGraphics::ClipScreenRectFromMS(const zeus::CVector3f& p1,
@@ -413,7 +411,7 @@ SClipScreenRect CGraphics::ClipScreenRectFromVS(const zeus::CVector3f& p1,
int minY2 = minY & 0xfffffffe;
if (minX2 >= g_ViewportResolution.x)
if (minX2 >= g_Viewport.x8_width)
return {};
int maxX = abs(sp1.x - sp2.x) + minX;
@@ -422,10 +420,10 @@ SClipScreenRect CGraphics::ClipScreenRectFromVS(const zeus::CVector3f& p1,
return {};
int finalMinX = std::max(minX, 0 /* ViewportX origin */);
int finalMaxX = std::min(maxX, g_ViewportResolution.x);
int finalMaxX = std::min(maxX, int(g_Viewport.x8_width));
if (minY2 >= g_ViewportResolution.y)
if (minY2 >= g_Viewport.xc_height)
return {};
int maxY = abs(sp1.y - sp2.y) + minY;
@@ -434,13 +432,13 @@ SClipScreenRect CGraphics::ClipScreenRectFromVS(const zeus::CVector3f& p1,
return {};
int finalMinY = std::max(minY, 0 /* ViewportY origin */);
int finalMaxY = std::min(maxY, g_ViewportResolution.y);
int finalMaxY = std::min(maxY, int(g_Viewport.xc_height));
int width = maxX2 - minX2;
int height = maxY2 - minY2;
return {true, minX2, minY2, width, height, width,
minX2 / float(g_ViewportResolution.x), maxX2 / float(g_ViewportResolution.x),
1.f - maxY2 / float(g_ViewportResolution.y), 1.f - minY2 / float(g_ViewportResolution.y)};
minX2 / float(g_Viewport.x8_width), maxX2 / float(g_Viewport.x8_width),
1.f - maxY2 / float(g_Viewport.xc_height), 1.f - minY2 / float(g_Viewport.xc_height)};
}
@@ -452,11 +450,13 @@ zeus::CVector3f CGraphics::ProjectModelPointToViewportSpace(const zeus::CVector3
void CGraphics::SetViewportResolution(const zeus::CVector2i& res)
{
g_ViewportResolution = res;
g_Viewport.x8_width = res.x;
g_Viewport.xc_height = res.y;
g_CroppedViewport = SClipScreenRect();
g_CroppedViewport.xc_width = res.x;
g_CroppedViewport.x10_height = res.y;
g_ViewportResolutionHalf = {res.x / 2, res.y / 2};
g_Viewport.x10_halfWidth = res.x / 2.f;
g_Viewport.x14_halfHeight = res.y / 2.f;
if (g_GuiSys)
g_GuiSys->OnViewportResize();
}