mirror of https://github.com/encounter/aurora.git
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
#include "gx.hpp"
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#include <cfloat>
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constexpr aurora::Mat4x4<float> DepthCorrect{
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{1.f, 0.f, 0.f, 0.f},
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{0.f, 1.f, 0.f, 0.f},
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{0.f, 0.f, 1.f + FLT_EPSILON, 0.f},
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{0.f, 0.f, 1.f, 1.f},
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};
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void GXSetProjection(const void* mtx_, GXProjectionType type) {
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const auto& mtx = *reinterpret_cast<const aurora::Mat4x4<float>*>(mtx_);
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g_gxState.origProj = mtx;
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g_gxState.projType = type;
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#ifdef AURORA_NATIVE_MATRIX
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update_gx_state(g_gxState.proj, DepthCorrect * mtx);
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#else
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update_gx_state(g_gxState.proj, DepthCorrect * mtx.transpose());
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#endif
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}
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// TODO GXSetProjectionv
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void GXLoadPosMtxImm(const void* mtx_, u32 id) {
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CHECK(id >= GX_PNMTX0 && id <= GX_PNMTX9, "invalid pn mtx {}", static_cast<int>(id));
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auto& state = g_gxState.pnMtx[id / 3];
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#ifdef AURORA_NATIVE_MATRIX
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const auto& mtx = *reinterpret_cast<const aurora::Mat4x4<float>*>(mtx_);
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update_gx_state(state.pos, mtx);
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#else
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const auto* mtx = reinterpret_cast<const aurora::Mat3x4<float>*>(mtx_);
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update_gx_state(state.pos, mtx->toTransposed4x4());
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#endif
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}
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// TODO GXLoadPosMtxIndx
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void GXLoadNrmMtxImm(const void* mtx_, u32 id) {
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CHECK(id >= GX_PNMTX0 && id <= GX_PNMTX9, "invalid pn mtx {}", static_cast<int>(id));
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auto& state = g_gxState.pnMtx[id / 3];
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#ifdef AURORA_NATIVE_MATRIX
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const auto& mtx = *reinterpret_cast<const aurora::Mat4x4<float>*>(mtx_);
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update_gx_state(state.nrm, mtx);
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#else
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const auto* mtx = reinterpret_cast<const aurora::Mat3x4<float>*>(mtx_);
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update_gx_state(state.nrm, mtx->toTransposed4x4());
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#endif
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}
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// TODO GXLoadNrmMtxImm3x3
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// TODO GXLoadNrmMtxIndx3x3
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void GXSetCurrentMtx(u32 id) {
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CHECK(id >= GX_PNMTX0 && id <= GX_PNMTX9, "invalid pn mtx {}", static_cast<int>(id));
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update_gx_state(g_gxState.currentPnMtx, id / 3);
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}
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void GXLoadTexMtxImm(const void* mtx_, u32 id, GXTexMtxType type) {
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CHECK((id >= GX_TEXMTX0 && id <= GX_IDENTITY) || (id >= GX_PTTEXMTX0 && id <= GX_PTIDENTITY), "invalid tex mtx {}",
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static_cast<int>(id));
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if (id >= GX_PTTEXMTX0) {
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CHECK(type == GX_MTX3x4, "invalid pt mtx type {}", type);
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const auto idx = (id - GX_PTTEXMTX0) / 3;
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#ifdef AURORA_NATIVE_MATRIX
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const auto& mtx = *reinterpret_cast<const aurora::Mat4x4<float>*>(mtx_);
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update_gx_state<aurora::Mat4x4<float>>(g_gxState.ptTexMtxs[idx], mtx);
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#else
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const auto& mtx = *reinterpret_cast<const aurora::Mat3x4<float>*>(mtx_);
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update_gx_state<aurora::Mat4x4<float>>(g_gxState.ptTexMtxs[idx], mtx.toTransposed4x4());
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#endif
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} else {
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const auto idx = (id - GX_TEXMTX0) / 3;
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switch (type) {
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case GX_MTX3x4: {
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#ifdef AURORA_NATIVE_MATRIX
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const auto& mtx = *reinterpret_cast<const aurora::Mat4x4<float>*>(mtx_);
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update_gx_state<aurora::gfx::gx::TexMtxVariant>(g_gxState.texMtxs[idx], mtx);
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#else
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const auto& mtx = *reinterpret_cast<const aurora::Mat3x4<float>*>(mtx_);
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update_gx_state<aurora::gfx::gx::TexMtxVariant>(g_gxState.texMtxs[idx], mtx.toTransposed4x4());
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#endif
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break;
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}
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case GX_MTX2x4: {
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const auto& mtx = *reinterpret_cast<const aurora::Mat4x2<float>*>(mtx_);
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#ifdef AURORA_NATIVE_MATRIX
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update_gx_state<aurora::gfx::gx::TexMtxVariant>(g_gxState.texMtxs[idx], mtx);
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#else
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update_gx_state<aurora::gfx::gx::TexMtxVariant>(g_gxState.texMtxs[idx], mtx.transpose());
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#endif
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break;
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}
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}
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}
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}
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// TODO GXLoadTexMtxIndx
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// TODO GXProject
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void GXSetViewport(float left, float top, float width, float height, float nearZ, float farZ) {
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aurora::gfx::set_viewport(left, top, width, height, nearZ, farZ);
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}
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void GXSetViewportJitter(float left, float top, float width, float height, float nearZ, float farZ, u32 field) {
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aurora::gfx::set_viewport(left, top, width, height, nearZ, farZ);
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}
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// TODO GXSetZScaleOffset
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// TODO GXSetScissorBoxOffset
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// TODO GXSetClipMode
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