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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "clipper.h"
#include "pica.h"
#include "primitive_assembly.h"
#include "vertex_shader.h"
namespace Pica {
namespace PrimitiveAssembly {
static OutputVertex buffer[2];
static int buffer_index = 0; // TODO: reset this on emulation restart
void SubmitVertex(OutputVertex& vtx)
{
switch (registers.triangle_topology) {
case Regs::TriangleTopology::List:
case Regs::TriangleTopology::ListIndexed:
if (buffer_index < 2) {
buffer[buffer_index++] = vtx;
} else {
buffer_index = 0;
Clipper::ProcessTriangle(buffer[0], buffer[1], vtx);
}
break;
case Regs::TriangleTopology::Fan:
if (buffer_index == 2) {
buffer_index = 0;
Clipper::ProcessTriangle(buffer[0], buffer[1], vtx);
buffer[1] = vtx;
} else {
buffer[buffer_index++] = vtx;
}
break;
default:
ERROR_LOG(GPU, "Unknown triangle mode %x:", (int)registers.triangle_topology.Value());
break;
}
}
} // namespace
} // namespace
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