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Refactors to support fog volume rendering

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This commit is contained in:
Jack Andersen
2017-03-13 21:03:58 -10:00
parent 22989ff47c
commit 1629882113
47 changed files with 1362 additions and 332 deletions
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67
Runtime/Graphics/Shaders/CFogVolumePlaneShader.cpp Normal file
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#include "CFogVolumePlaneShader.hpp"
namespace urde
{
void CFogVolumePlaneShader::CommitResources(size_t capacity)
{
m_vertCapacity = capacity;
m_token = CGraphics::CommitResources([this, capacity](boo::IGraphicsDataFactory::Context& ctx)
{
m_vbo = ctx.newDynamicBuffer(boo::BufferUse::Vertex, sizeof(zeus::CVector4f), capacity);
TShader<CFogVolumePlaneShader>::BuildShaderDataBinding(ctx, *this);
return true;
});
}
void CFogVolumePlaneShader::addFan(const zeus::CVector3f* verts, int numVerts)
{
if (numVerts == 3)
{
zeus::CMatrix4f proj = CGraphics::GetPerspectiveProjectionMatrix(true);
zeus::CVector4f vert0 = proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[0]);
if (m_verts.size())
{
m_verts.push_back(m_verts.back());
m_verts.push_back(vert0);
}
m_verts.push_back(vert0);
m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[1]));
m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[2]));
m_verts.push_back(m_verts.back());
}
else if (numVerts == 4)
{
zeus::CMatrix4f proj = CGraphics::GetPerspectiveProjectionMatrix(true);
zeus::CVector4f vert0 = proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[0]);
if (m_verts.size())
{
m_verts.push_back(m_verts.back());
m_verts.push_back(vert0);
}
m_verts.push_back(vert0);
m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[1]));
m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[3]));
m_verts.push_back(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[2]));
}
}
void CFogVolumePlaneShader::draw(int pass)
{
if (m_verts.empty())
return;
if (pass == 0)
{
if (m_vertCapacity < m_verts.size())
CommitResources(m_verts.size());
m_vbo->load(m_verts.data(), m_verts.size() * sizeof(zeus::CVector4f));
}
CGraphics::SetShaderDataBinding(m_dataBinds[pass]);
CGraphics::DrawArray(0, m_verts.size());
}
void CFogVolumePlaneShader::Shutdown() {}
URDE_SPECIALIZE_SHADER(CFogVolumePlaneShader)
}