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authorwwylele <wwylele@gmail.com>2017-08-22 08:49:26 +0200
committerwwylele <wwylele@gmail.com>2017-08-24 14:34:27 +0200
commitea51a3af261254e5455f63a0ef41e55ef1dfc471 (patch)
tree1240b8835ade7b50c633e233787b319c498a4d1d /src/video_core/swrasterizer
parentMerge pull request #2839 from Subv/global_kernel_lock (diff)
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Diffstat (limited to 'src/video_core/swrasterizer')
-rw-r--r--src/video_core/swrasterizer/clipper.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/video_core/swrasterizer/clipper.cpp b/src/video_core/swrasterizer/clipper.cpp
index cdbc71502..cc76ba555 100644
--- a/src/video_core/swrasterizer/clipper.cpp
+++ b/src/video_core/swrasterizer/clipper.cpp
@@ -127,8 +127,7 @@ void ProcessTriangle(const OutputVertex& v0, const OutputVertex& v1, const Outpu
// Simple implementation of the Sutherland-Hodgman clipping algorithm.
// TODO: Make this less inefficient (currently lots of useless buffering overhead happens here)
- for (auto edge : clipping_edges) {
-
+ auto Clip = [&](const ClippingEdge& edge) {
std::swap(input_list, output_list);
output_list->clear();
@@ -147,12 +146,24 @@ void ProcessTriangle(const OutputVertex& v0, const OutputVertex& v1, const Outpu
}
reference_vertex = &vertex;
}
+ };
+
+ for (auto edge : clipping_edges) {
+ Clip(edge);
// Need to have at least a full triangle to continue...
if (output_list->size() < 3)
return;
}
+ if (g_state.regs.rasterizer.clip_enable) {
+ ClippingEdge custom_edge{-g_state.regs.rasterizer.GetClipCoef()};
+ Clip(custom_edge);
+
+ if (output_list->size() < 3)
+ return;
+ }
+
InitScreenCoordinates((*output_list)[0]);
InitScreenCoordinates((*output_list)[1]);