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gl: Properly determine front face winding

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This commit is contained in:
kd-11 2016-07-12 23:10:26 +03:00
parent 97581d8635
commit ea6f3ff5ed
1 changed files with 6 additions and 13 deletions
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19
rpcs3/Emu/RSX/GL/GLGSRender.cpp
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@ -23,17 +23,6 @@ namespace
}
throw EXCEPTION("Unknown depth format");
}
u32 get_front_face_ccw(u32 ffv)
{
switch (ffv)
{
default: // Disgaea 3 pass some garbage value at startup, this is needed to survive.
case CELL_GCM_CW: return GL_CW;
case CELL_GCM_CCW: return GL_CCW;
}
throw EXCEPTION("Unknown front face value: 0x%X", ffv);
}
}
GLGSRender::GLGSRender() : GSRender(frame_type::OpenGL)
@ -170,10 +159,14 @@ namespace
GLenum front_face(rsx::front_face op)
{
GLenum mask = 0;
if (rsx::to_window_origin((rsx::method_registers[NV4097_SET_SHADER_WINDOW] >> 12) & 0xf) == rsx::window_origin::bottom)
mask = 1;
switch (op)
{
case rsx::front_face::cw: return GL_CW;
case rsx::front_face::ccw: return GL_CCW;
case rsx::front_face::cw: return GL_CW ^ mask;
case rsx::front_face::ccw: return GL_CCW ^ mask;
}
throw;
}