Merge pull request #213 from Jezze/vertexloader-cleanups

Vertexloader cleanups
This commit is contained in:
Tony Wasserka 2014-04-10 08:52:36 +02:00
commit cdf6172348
2 changed files with 30 additions and 43 deletions

View File

@ -307,22 +307,18 @@ void LOADERDECL UpdateBoundingBox()
// If the polygon is inside viewport, let's update the bounding box and be done with it // If the polygon is inside viewport, let's update the bounding box and be done with it
if ((b0 == 3) && (b0 == b1) && (b0 == b2)) if ((b0 == 3) && (b0 == b1) && (b0 == b2))
{ {
// Line left = std::min(p0.x, p1.x);
if (numPoints == 2) top = std::min(p0.y, p1.y);
{ right = std::max(p0.x, p1.x);
left = (p0.x < p1.x) ? p0.x : p1.x; bottom = std::max(p0.y, p1.y);
top = (p0.y < p1.y) ? p0.y : p1.y;
right = (p0.x > p1.x) ? p0.x : p1.x;
bottom = (p0.y > p1.y) ? p0.y : p1.y;
}
// Triangle // Triangle
else if (numPoints == 3)
{ {
left = (p0.x < p1.x) ? (p0.x < p2.x) ? p0.x : p2.x : (p1.x < p2.x) ? p1.x : p2.x; left = std::min(left, p2.x);
top = (p0.y < p1.y) ? (p0.y < p2.y) ? p0.y : p2.y : (p1.y < p2.y) ? p1.y : p2.y; top = std::min(top, p2.y);
right = (p0.x > p1.x) ? (p0.x > p2.x) ? p0.x : p2.x : (p1.x > p2.x) ? p1.x : p2.x; right = std::max(right, p2.x);
bottom = (p0.y > p1.y) ? (p0.y > p2.y) ? p0.y : p2.y : (p1.y > p2.y) ? p1.y : p2.y; bottom = std::max(bottom, p2.y);
} }
// Update bounding box // Update bounding box
@ -356,19 +352,19 @@ void LOADERDECL UpdateBoundingBox()
// Second point inside // Second point inside
if (b1 == 3) if (b1 == 3)
{ {
left = (p1.x < left) ? p1.x : left; left = std::min(p1.x, left);
top = (p1.y < top) ? p1.y : top; top = std::min(p1.y, top);
right = (p1.x > right) ? p1.x : right; right = std::max(p1.x, right);
bottom = (p1.y > bottom) ? p1.y : bottom; bottom = std::max(p1.y, bottom);
} }
// Third point inside // Third point inside
if ((b2 == 3) && (numPoints == 3)) if ((b2 == 3) && (numPoints == 3))
{ {
left = (p2.x < left) ? p2.x : left; left = std::min(p2.x, left);
top = (p2.y < top) ? p2.y : top; top = std::min(p2.y, top);
right = (p2.x > right) ? p2.x : right; right = std::max(p2.x, right);
bottom = (p2.y > bottom) ? p2.y : bottom; bottom = std::max(p2.y, bottom);
} }
// Triangle equation vars // Triangle equation vars
@ -386,10 +382,10 @@ void LOADERDECL UpdateBoundingBox()
{ {
m = (p1.x - p0.x) ? ((p1.y - p0.y) / (p1.x - p0.x)) : highNum; m = (p1.x - p0.x) ? ((p1.y - p0.y) / (p1.x - p0.x)) : highNum;
c = p0.y - (m * p0.x); c = p0.y - (m * p0.x);
if (i0 & 1) { s = (s32)(c + roundUp); if (s >= 0 && s <= 479) left = 0; top = (s < top) ? s : top; bottom = (s > bottom) ? s : bottom; } if (i0 & 1) { s = (s32)(c + roundUp); if (s >= 0 && s <= 479) left = 0; top = std::min(s, top); bottom = std::max(s, bottom); }
if (i0 & 2) { s = (s32)((-c / m) + roundUp); if (s >= 0 && s <= 607) top = 0; left = (s < left) ? s : left; right = (s > right) ? s : right; } if (i0 & 2) { s = (s32)((-c / m) + roundUp); if (s >= 0 && s <= 607) top = 0; left = std::min(s, left); right = std::max(s, right); }
if (i0 & 4) { s = (s32)((m * 607) + c + roundUp); if (s >= 0 && s <= 479) right = 607; top = (s < top) ? s : top; bottom = (s > bottom) ? s : bottom; } if (i0 & 4) { s = (s32)((m * 607) + c + roundUp); if (s >= 0 && s <= 479) right = 607; top = std::min(s, top); bottom = std::max(s, bottom); }
if (i0 & 8) { s = (s32)(((479 - c) / m) + roundUp); if (s >= 0 && s <= 607) bottom = 479; left = (s < left) ? s : left; right = (s > right) ? s : right; } if (i0 & 8) { s = (s32)(((479 - c) / m) + roundUp); if (s >= 0 && s <= 607) bottom = 479; left = std::min(s, left); right = std::max(s, right); }
} }
// Only check other lines if we are dealing with a triangle // Only check other lines if we are dealing with a triangle
@ -400,10 +396,10 @@ void LOADERDECL UpdateBoundingBox()
{ {
m = (p2.x - p1.x) ? ((p2.y - p1.y) / (p2.x - p1.x)) : highNum; m = (p2.x - p1.x) ? ((p2.y - p1.y) / (p2.x - p1.x)) : highNum;
c = p1.y - (m * p1.x); c = p1.y - (m * p1.x);
if (i1 & 1) { s = (s32)(c + roundUp); if (s >= 0 && s <= 479) left = 0; top = (s < top) ? s : top; bottom = (s > bottom) ? s : bottom; } if (i1 & 1) { s = (s32)(c + roundUp); if (s >= 0 && s <= 479) left = 0; top = std::min(s, top); bottom = std::max(s, bottom); }
if (i1 & 2) { s = (s32)((-c / m) + roundUp); if (s >= 0 && s <= 607) top = 0; left = (s < left) ? s : left; right = (s > right) ? s : right; } if (i1 & 2) { s = (s32)((-c / m) + roundUp); if (s >= 0 && s <= 607) top = 0; left = std::min(s, left); right = std::max(s, right); }
if (i1 & 4) { s = (s32)((m * 607) + c + roundUp); if (s >= 0 && s <= 479) right = 607; top = (s < top) ? s : top; bottom = (s > bottom) ? s : bottom; } if (i1 & 4) { s = (s32)((m * 607) + c + roundUp); if (s >= 0 && s <= 479) right = 607; top = std::min(s, top); bottom = std::max(s, bottom); }
if (i1 & 8) { s = (s32)(((479 - c) / m) + roundUp); if (s >= 0 && s <= 607) bottom = 479; left = (s < left) ? s : left; right = (s > right) ? s : right; } if (i1 & 8) { s = (s32)(((479 - c) / m) + roundUp); if (s >= 0 && s <= 607) bottom = 479; left = std::min(s, left); right = std::max(s, right); }
} }
// Third line intersects // Third line intersects
@ -411,10 +407,10 @@ void LOADERDECL UpdateBoundingBox()
{ {
m = (p2.x - p0.x) ? ((p2.y - p0.y) / (p2.x - p0.x)) : highNum; m = (p2.x - p0.x) ? ((p2.y - p0.y) / (p2.x - p0.x)) : highNum;
c = p0.y - (m * p0.x); c = p0.y - (m * p0.x);
if (i2 & 1) { s = (s32)(c + roundUp); if (s >= 0 && s <= 479) left = 0; top = (s < top) ? s : top; bottom = (s > bottom) ? s : bottom; } if (i2 & 1) { s = (s32)(c + roundUp); if (s >= 0 && s <= 479) left = 0; top = std::min(s, top); bottom = std::max(s, bottom); }
if (i2 & 2) { s = (s32)((-c / m) + roundUp); if (s >= 0 && s <= 607) top = 0; left = (s < left) ? s : left; right = (s > right) ? s : right; } if (i2 & 2) { s = (s32)((-c / m) + roundUp); if (s >= 0 && s <= 607) top = 0; left = std::min(s, left); right = std::max(s, right); }
if (i2 & 4) { s = (s32)((m * 607) + c + roundUp); if (s >= 0 && s <= 479) right = 607; top = (s < top) ? s : top; bottom = (s > bottom) ? s : bottom; } if (i2 & 4) { s = (s32)((m * 607) + c + roundUp); if (s >= 0 && s <= 479) right = 607; top = std::min(s, top); bottom = std::max(s, bottom); }
if (i2 & 8) { s = (s32)(((479 - c) / m) + roundUp); if (s >= 0 && s <= 607) bottom = 479; left = (s < left) ? s : left; right = (s > right) ? s : right; } if (i2 & 8) { s = (s32)(((479 - c) / m) + roundUp); if (s >= 0 && s <= 607) bottom = 479; left = std::min(s, left); right = std::max(s, right); }
} }
} }
@ -613,10 +609,8 @@ void VertexLoader::CompileVertexTranslator()
nat_offset += 12; nat_offset += 12;
} }
int numNormals = (m_VtxAttr.NormalElements == 1) ? NRM_THREE : NRM_ONE;
components |= VB_HAS_NRM0; components |= VB_HAS_NRM0;
if (m_VtxAttr.NormalElements == 1)
if (numNormals == NRM_THREE)
components |= VB_HAS_NRM1 | VB_HAS_NRM2; components |= VB_HAS_NRM1 | VB_HAS_NRM2;
} }

View File

@ -107,13 +107,6 @@ public:
int GetNumLoadedVerts() const { return m_numLoadedVertices; } int GetNumLoadedVerts() const { return m_numLoadedVertices; }
private: private:
enum
{
NRM_ZERO = 0,
NRM_ONE = 1,
NRM_THREE = 3,
};
int m_VertexSize; // number of bytes of a raw GC vertex. Computed by CompileVertexTranslator. int m_VertexSize; // number of bytes of a raw GC vertex. Computed by CompileVertexTranslator.
// GC vertex format // GC vertex format