diff options
| author | degasus <wickmarkus@web.de> | 2013-03-29 14:27:33 +0100 |
|---|---|---|
| committer | degasus <wickmarkus@web.de> | 2013-03-29 14:27:33 +0100 |
| commit | ca8554e7d1d7c77b3c2a9ed8a7fb12de7096c67b (patch) | |
| tree | d4ffebafd1430f53c99bf0dc34b8dd80d319b4b4 /Source/Core/VideoCommon/Src/VertexManagerBase.cpp | |
| parent | c743e75d928f3367214d0ac87f80f3946c73e818 (diff) | |
first try of primitive restart index generator
Convert all quads+triangles into trangle_strip and uses primitive restart to split them.
Speed up triangle_strip, but slows down all others primitive formats.
Only implemented in ogl.
Diffstat (limited to 'Source/Core/VideoCommon/Src/VertexManagerBase.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/Src/VertexManagerBase.cpp | 70 |
1 files changed, 48 insertions, 22 deletions
diff --git a/Source/Core/VideoCommon/Src/VertexManagerBase.cpp b/Source/Core/VideoCommon/Src/VertexManagerBase.cpp index 87856b5aeb..076c45e4eb 100644 --- a/Source/Core/VideoCommon/Src/VertexManagerBase.cpp +++ b/Source/Core/VideoCommon/Src/VertexManagerBase.cpp @@ -74,28 +74,54 @@ bool VertexManager::IsFlushed() const u32 VertexManager::GetRemainingIndices(int primitive) { - switch (primitive) - { - case GX_DRAW_QUADS: - return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 6 * 4; - case GX_DRAW_TRIANGLES: - return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()); - case GX_DRAW_TRIANGLE_STRIP: - return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 3 + 2; - case GX_DRAW_TRIANGLE_FAN: - return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 3 + 2; - - case GX_DRAW_LINES: - return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()); - case GX_DRAW_LINE_STRIP: - return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()) / 2 + 1; - - case GX_DRAW_POINTS: - return (MAXIBUFFERSIZE - IndexGenerator::GetPointindexLen()); - - default: - return 0; - } + + if(g_Config.backend_info.bSupportsPrimitiveRestart) { + switch (primitive) + { + case GX_DRAW_QUADS: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 5 * 4; + case GX_DRAW_TRIANGLES: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 4 * 3; + case GX_DRAW_TRIANGLE_STRIP: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 1 - 1; + case GX_DRAW_TRIANGLE_FAN: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 4 + 2; + + case GX_DRAW_LINES: + return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()); + case GX_DRAW_LINE_STRIP: + return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()) / 2 + 1; + + case GX_DRAW_POINTS: + return (MAXIBUFFERSIZE - IndexGenerator::GetPointindexLen()); + + default: + return 0; + } + } else { + switch (primitive) + { + case GX_DRAW_QUADS: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 6 * 4; + case GX_DRAW_TRIANGLES: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()); + case GX_DRAW_TRIANGLE_STRIP: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 3 + 2; + case GX_DRAW_TRIANGLE_FAN: + return (MAXIBUFFERSIZE - IndexGenerator::GetTriangleindexLen()) / 3 + 2; + + case GX_DRAW_LINES: + return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()); + case GX_DRAW_LINE_STRIP: + return (MAXIBUFFERSIZE - IndexGenerator::GetLineindexLen()) / 2 + 1; + + case GX_DRAW_POINTS: + return (MAXIBUFFERSIZE - IndexGenerator::GetPointindexLen()); + + default: + return 0; + } + } } void VertexManager::AddVertices(int primitive, u32 numVertices) |