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update gliden64

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This commit is contained in:
Logan McNaughton
2021-03-14 11:58:39 -06:00
parent 2d72295543
commit 7d1b28755e
13 changed files with 135 additions and 25 deletions
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GLideN64/src/SoftwareRender.cpp
+30 -10
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@@ -340,7 +340,11 @@ f32 renderTriangles(const SPVertex * _pVertices, const u16 * _pElements, u32 _nu
return maxY;
}
f32 renderAndDrawTriangles(const SPVertex *_pVertices, const u16 *_pElements, u32 _numElements, bool _flatColors)
f32 renderAndDrawTriangles(const SPVertex *_pVertices,
const u16 *_pElements,
u32 _numElements,
bool _flatColors,
GraphicsDrawer::Statistics & _statistics)
{
f32 maxY = 0.0f;
std::vector<SPVertex> vResult;
@@ -356,17 +360,21 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices, const u16 *_pElements, u3
int dzdx = calcDzDx(pVtxClip);
vertexi vdraw[3];
for (u32 k = 0; k < 3; ++k) {
for (u32 k = 0; k < 3; ++k) {
const u32 idx = clockwise ? k : 3 - k - 1;
maxY = std::max(maxY, pVtxClip[idx].y);
vdraw[k].x = floatToFixed16(pVtxClip[idx].x);
vdraw[k].y = floatToFixed16(pVtxClip[idx].y);
vdraw[k].z = floatToFixed16(pVtxClip[idx].z);
}
const u32 idx = clockwise ? k : 3 - k - 1;
maxY = std::max(maxY, pVtxClip[idx].y);
vdraw[k].x = floatToFixed16(pVtxClip[idx].x);
vdraw[k].y = floatToFixed16(pVtxClip[idx].y);
vdraw[k].z = floatToFixed16(pVtxClip[idx].z);
}
Rasterize(vdraw, 3, dzdx);
};
auto calcMaxY = [&maxY](const vertexclip* pVtxClip)
{
for (u32 k = 0; k < 3; ++k)
maxY = std::max(maxY, pVtxClip[k].y);
};
for (u32 i = 0; i < _numElements; i += 3) {
u32 orbits = 0;
u32 modify = 0;
@@ -381,9 +389,12 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices, const u16 *_pElements, u3
// No clipping is necessary.
vertexclip vclip[3];
bool clockwise = true;
if (!calcScreenCoordinates(vsrc, vclip, 3, clockwise))
if (!calcScreenCoordinates(vsrc, vclip, 3, clockwise)) {
// Culled
_statistics.drawnTris--;
_statistics.culledTris++;
continue;
}
// Copy vertices to result
for (u32 k = 0; k < 3; ++k) {
@@ -395,6 +406,8 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices, const u16 *_pElements, u3
if (needResterise)
rasterise(vclip, clockwise);
else
calcMaxY(vclip);
} else {
assert(modify == 0);
// No screen space coordinates, so use clipping in homogeneous space.
@@ -408,14 +421,21 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices, const u16 *_pElements, u3
auto prevNumVtx = vResult.size();
clipInHomogeneousSpace(vCopy, vResult);
const size_t numVertex = vResult.size() - prevNumVtx;
if (!needResterise || numVertex == 0)
if (!needResterise)
continue;
if (numVertex == 0) {
_statistics.drawnTris--;
_statistics.clippedTris++;
continue;
}
std::vector<vertexclip> vclip(numVertex);
const bool cull = ((orbits & CLIP_W) == 0) && (gSP.viewport.vscale[0] > 0.0f);
bool clockwise = true;
if (!calcScreenCoordinates(vResult.data() + prevNumVtx, vclip.data(), numVertex, cull, clockwise)) {
vResult.resize(prevNumVtx);
_statistics.drawnTris--;
_statistics.culledTris++;
continue;
}