metaforce/Runtime/Graphics/Shaders/CRadarPaintShader.cpp

39 lines
1.2 KiB
C++

#include "CRadarPaintShader.hpp"
namespace urde
{
void CRadarPaintShader::draw(const std::vector<Instance>& instances, const CTexture* tex)
{
if (!instances.size())
return;
if (instances.size() > m_maxInsts)
{
m_maxInsts = instances.size();
m_tex = tex;
CGraphicsCommitResources([this](boo::IGraphicsDataFactory::Context& ctx)
{
m_vbo = ctx.newDynamicBuffer(boo::BufferUse::Vertex, sizeof(Instance), m_maxInsts);
m_uniBuf = ctx.newDynamicBuffer(boo::BufferUse::Uniform, sizeof(zeus::CMatrix4f), 1);
m_dataBind = TShader<CRadarPaintShader>::BuildShaderDataBinding(ctx, *this);
return true;
});
}
zeus::CMatrix4f uniMtx = CGraphics::GetPerspectiveProjectionMatrix(true) * CGraphics::g_GXModelView.toMatrix4f();
m_uniBuf->load(&uniMtx, sizeof(zeus::CMatrix4f));
size_t mapSz = sizeof(Instance) * instances.size();
Instance* insts = reinterpret_cast<Instance*>(m_vbo->map(mapSz));
memmove(insts, instances.data(), mapSz);
m_vbo->unmap();
CGraphics::SetShaderDataBinding(m_dataBind);
CGraphics::DrawInstances(0, 4, instances.size());
}
URDE_SPECIALIZE_SHADER(CRadarPaintShader)
}