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Implement line renderer (OpenGL only for now)

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This commit is contained in:
Jack Andersen
2016-02-17 16:42:32 -10:00
parent cfee7b61bb
commit 365f6ac9e7
21 changed files with 779 additions and 83 deletions
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26
Runtime/CGraphics.cpp
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@@ -8,6 +8,7 @@ namespace pshag
{
CGraphics::CProjectionState CGraphics::g_Proj;
float CGraphics::g_ProjAspect = 1.f;
u32 CGraphics::g_NumLightsActive = 0;
ERglLight CGraphics::g_LightActive = ERglLight::None;
ERglLight CGraphics::g_LightsWereOn = ERglLight::None;
@@ -119,6 +120,8 @@ void CGraphics::SetProjectionState(const CGraphics::CProjectionState& proj)
void CGraphics::SetPerspective(float fovy, float aspect, float near, float far)
{
g_ProjAspect = aspect;
float tfov = tanf(fovy * 0.5f * M_PI / 180.f);
g_Proj.x0_persp = true;
g_Proj.x14_near = near;
@@ -151,11 +154,11 @@ Zeus::CVector2i CGraphics::ProjectPoint(const Zeus::CVector3f& point)
SClipScreenRect CGraphics::ClipScreenRectFromMS(const Zeus::CVector3f& p1,
const Zeus::CVector3f& p2)
{
Zeus::CVector3f xfExt = (g_GXModelMatrix * p2) - g_ViewMatrix.m_origin;
xfExt = g_ViewMatrix.transposeRotate(xfExt);
Zeus::CVector3f xfPos = (g_GXModelMatrix * p1) - g_ViewMatrix.m_origin;
xfPos = g_ViewMatrix.transposeRotate(xfPos);
return ClipScreenRectFromVS(xfPos, xfExt);
Zeus::CVector3f xf2 = (g_GXModelMatrix * p2) - g_ViewMatrix.m_origin;
xf2 = g_ViewMatrix.transposeRotate(xf2);
Zeus::CVector3f xf1 = (g_GXModelMatrix * p1) - g_ViewMatrix.m_origin;
xf1 = g_ViewMatrix.transposeRotate(xf1);
return ClipScreenRectFromVS(xf1, xf2);
}
SClipScreenRect CGraphics::ClipScreenRectFromVS(const Zeus::CVector3f& p1,
@@ -210,6 +213,19 @@ SClipScreenRect CGraphics::ClipScreenRectFromVS(const Zeus::CVector3f& p1,
}
Zeus::CVector3f CGraphics::ProjectModelPointToViewportSpace(const Zeus::CVector3f& point)
{
CProjectionState& pst = g_Proj;
Zeus::CVector3f pt = g_GXModelView * point;
return GetPerspectiveProjectionMatrix().multiplyOneOverW(pt);
}
void CGraphics::SetViewportResolution(const Zeus::CVector2i& res)
{
g_ViewportResolution = res;
g_ViewportResolutionHalf = {res.x / 2, res.y / 2};
}
boo::IGraphicsDataFactory* CGraphics::g_BooFactory = nullptr;
boo::IGraphicsCommandQueue* CGraphics::g_BooMainCommandQueue = nullptr;
boo::ITextureR* CGraphics::g_SpareTexture = nullptr;