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softgpu: Split out rectangle path for combining.

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2021-11-14 18:31:46 -08:00
parent 9545e3b0e2
commit 0281e2f017
1 changed files with 35 additions and 5 deletions
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GPU/Software/TransformUnit.cpp
+35 -5
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@@ -352,7 +352,6 @@ void TransformUnit::SubmitPrimitive(void* vertices, void* indices, GEPrimitiveTy
case GE_PRIM_POINTS:
case GE_PRIM_LINES:
case GE_PRIM_TRIANGLES:
case GE_PRIM_RECTANGLES:
{
for (int vtx = 0; vtx < vertex_count; ++vtx) {
if (indices) {
@@ -389,10 +388,6 @@ void TransformUnit::SubmitPrimitive(void* vertices, void* indices, GEPrimitiveTy
break;
}
case GE_PRIM_RECTANGLES:
Clipper::ProcessRect(data[0], data[1]);
break;
case GE_PRIM_LINES:
Clipper::ProcessLine(data[0], data[1]);
break;
@@ -408,6 +403,41 @@ void TransformUnit::SubmitPrimitive(void* vertices, void* indices, GEPrimitiveTy
break;
}
case GE_PRIM_RECTANGLES:
for (int vtx = 0; vtx < vertex_count; ++vtx) {
if (indices) {
vreader.Goto(ConvertIndex(vtx) - index_lower_bound);
} else {
vreader.Goto(vtx);
}
data[data_index++] = ReadVertex(vreader, outside_range_flag);
if (outside_range_flag) {
outside_range_flag = false;
// Note: this is the post increment index. If odd, we set the first vert.
if (data_index & 1) {
// Skip the next one and forget this one.
vtx++;
data_index--;
} else {
// Forget both of the last 2.
data_index -= 2;
}
}
if (data_index == 4) {
Clipper::ProcessRect(data[0], data[1]);
Clipper::ProcessRect(data[2], data[3]);
data_index = 0;
}
}
if (data_index >= 2) {
Clipper::ProcessRect(data[0], data[1]);
data_index -= 2;
}
break;
case GE_PRIM_LINE_STRIP:
{
// Don't draw a line when loading the first vertex.