59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#include <pd/drivers/gfx.hpp>
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#include <pd/lithium/command.hpp>
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namespace PD {
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namespace Li {
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void Command::Reserve(size_t vtx, size_t idx) {
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if (VertexCountMax == 0) {
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FirstVertex = Gfx::AllocateVertices(vtx, (PD::ptr)this);
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VertexCountMax = vtx;
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} else {
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Gfx::ExpandVertices(vtx, (PD::ptr)this);
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VertexCountMax += vtx;
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}
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if (IndexCountMax == 0) {
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FirstIndex = Gfx::AllocateIndices(idx, (PD::ptr)this);
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IndexCountMax = idx;
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} else {
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Gfx::ExpandIndices(idx, (PD::ptr)this);
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IndexCountMax += idx;
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}
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}
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void Command::Reset() {
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Layer = 0;
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Tex = 0;
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SDF = false;
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FirstIndex = 0;
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FirstVertex = 0;
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IndexCount = 0;
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VertexCount = 0;
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VertexCountMax = 0;
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IndexCountMax = 0;
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}
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Command& Command::Add(const Vertex& vtx) {
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if (VertexCount <= VertexCountMax)
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Gfx::PutVertex(FirstVertex + VertexCount++, vtx, (PD::ptr)this);
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return *this;
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}
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Command& Command::Add(u16 idx) {
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if (IndexCount <= IndexCountMax)
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Gfx::PutIndex(FirstIndex + IndexCount++, FirstVertex + VertexCount + idx,
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(PD::ptr)this);
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return *this;
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}
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Command& Command::Add(u16 a, u16 b, u16 c) {
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if (IndexCount + 3 <= IndexCountMax) {
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size_t idx = FirstIndex + IndexCount;
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Gfx::PutIndex(idx + 0, FirstVertex + VertexCount + a, (PD::ptr)this);
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Gfx::PutIndex(idx + 1, FirstVertex + VertexCount + b, (PD::ptr)this);
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Gfx::PutIndex(idx + 2, FirstVertex + VertexCount + c, (PD::ptr)this);
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IndexCount += 3;
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}
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return *this;
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}
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} // namespace Li
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} // namespace PD
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