metaforce/Runtime/Graphics/Shaders/CFogVolumePlaneShader.cpp

62 lines
2.2 KiB
C++

#include "CFogVolumePlaneShader.hpp"
#include "hecl/Pipeline.hpp"
#include "Graphics/CGraphics.hpp"
namespace urde {
static boo::ObjToken<boo::IShaderPipeline> s_Pipelines[4];
void CFogVolumePlaneShader::Initialize() {
s_Pipelines[0] = hecl::conv->convert(Shader_CFogVolumePlaneShader0{});
s_Pipelines[1] = hecl::conv->convert(Shader_CFogVolumePlaneShader1{});
s_Pipelines[2] = hecl::conv->convert(Shader_CFogVolumePlaneShader2{});
s_Pipelines[3] = hecl::conv->convert(Shader_CFogVolumePlaneShader3{});
}
void CFogVolumePlaneShader::Shutdown() {
s_Pipelines[0].reset();
s_Pipelines[1].reset();
s_Pipelines[2].reset();
s_Pipelines[3].reset();
}
void CFogVolumePlaneShader::CommitResources(size_t capacity) {
m_vertCapacity = capacity;
CGraphics::CommitResources([this, capacity](boo::IGraphicsDataFactory::Context& ctx) {
m_vbo = ctx.newDynamicBuffer(boo::BufferUse::Vertex, sizeof(zeus::CVector4f), capacity);
for (int i = 0; i < 4; ++i)
m_dataBinds[i] = ctx.newShaderDataBinding(s_Pipelines[i], m_vbo.get(), nullptr, nullptr, 0, nullptr, nullptr,
nullptr, nullptr, 0, nullptr, nullptr, nullptr);
return true;
} BooTrace);
}
void CFogVolumePlaneShader::addFan(const zeus::CVector3f* verts, int numVerts) {
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);
if (m_verts.size() & 1)
m_verts.push_back(vert0);
}
TriFanToStrip<zeus::CVector4f> fanToStrip(m_verts);
fanToStrip.AddVert(vert0);
for (int i = 1; i < numVerts; ++i)
fanToStrip.AddVert(proj * zeus::CVector4f(CGraphics::g_GXModelView * verts[i]));
}
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());
}
} // namespace urde