diff options
Diffstat (limited to 'src/video_core/primitive_assembly.cpp')
| -rw-r--r-- | src/video_core/primitive_assembly.cpp | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/video_core/primitive_assembly.cpp b/src/video_core/primitive_assembly.cpp index dabf2d1a3e..242a07e267 100644 --- a/src/video_core/primitive_assembly.cpp +++ b/src/video_core/primitive_assembly.cpp @@ -1,5 +1,5 @@ // Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 +// Licensed under GPLv2 or any later version // Refer to the license.txt file included. #include "pica.h" @@ -30,20 +30,27 @@ void PrimitiveAssembler<VertexType>::SubmitVertex(VertexType& vtx, TriangleHandl } break; + case Regs::TriangleTopology::Strip: case Regs::TriangleTopology::Fan: - if (buffer_index == 2) { - buffer_index = 0; - - triangle_handler(buffer[0], buffer[1], vtx); + if (strip_ready) { + // TODO: Should be "buffer[0], buffer[1], vtx" instead! + // Not quite sure why we need this order for things to show up properly. + // Maybe a bug in the rasterizer? + triangle_handler(buffer[1], buffer[0], vtx); + } + buffer[buffer_index] = vtx; - buffer[1] = vtx; - } else { - buffer[buffer_index++] = vtx; + if (topology == Regs::TriangleTopology::Strip) { + strip_ready |= (buffer_index == 1); + buffer_index = !buffer_index; + } else if (topology == Regs::TriangleTopology::Fan) { + buffer_index = 1; + strip_ready = true; } break; default: - ERROR_LOG(GPU, "Unknown triangle topology %x:", (int)topology); + LOG_ERROR(HW_GPU, "Unknown triangle topology %x:", (int)topology); break; } } |