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rsx/common: Add supports for quads strip

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Used in Hitman 2
This commit is contained in:
Vincent Lejeune 2016-02-26 19:51:15 +01:00
parent 0e5c54709d
commit 9cdb74efc7
1 changed files with 17 additions and 3 deletions
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20
rpcs3/Emu/RSX/Common/BufferUtils.cpp
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@ -252,11 +252,11 @@ bool is_primitive_native(rsx::primitive_type draw_mode)
case rsx::primitive_type::line_strip:
case rsx::primitive_type::triangles:
case rsx::primitive_type::triangle_strip:
case rsx::primitive_type::quad_strip:
return true;
case rsx::primitive_type::polygon:
case rsx::primitive_type::triangle_fan:
case rsx::primitive_type::quads:
case rsx::primitive_type::quad_strip:
return false;
}
throw new EXCEPTION("Wrong primitive type");
@ -280,6 +280,8 @@ size_t get_index_count(rsx::primitive_type draw_mode, unsigned initial_index_cou
return (initial_index_count - 2) * 3;
case rsx::primitive_type::quads:
return (6 * initial_index_count) / 4;
case rsx::primitive_type::quad_strip:
return (6 * (initial_index_count - 2)) / 2;
default:
return 0;
}
@ -322,14 +324,26 @@ void write_index_array_for_non_indexed_non_native_primitive_to_buffer(char* dst,
typedDst[6 * i + 5] = 4 * i + first;
}
return;
case rsx::primitive_type::quad_strip:
for (unsigned i = 0; i < (count - 2) / 2; i++)
{
// First triangle
typedDst[6 * i] = 2 * i + first;
typedDst[6 * i + 1] = 2 * i + 1 + first;
typedDst[6 * i + 2] = 2 * i + 2 + first;
// Second triangle
typedDst[6 * i + 3] = 2 * i + 2 + first;
typedDst[6 * i + 4] = 2 * i + 3 + first;
typedDst[6 * i + 5] = 2 * i + 1 + first;
}
return;
case rsx::primitive_type::points:
case rsx::primitive_type::lines:
case rsx::primitive_type::line_loop:
case rsx::primitive_type::line_strip:
case rsx::primitive_type::triangles:
case rsx::primitive_type::triangle_strip:
case rsx::primitive_type::quad_strip:
throw new EXCEPTION("Native primitive type doesn't require expansion");
throw EXCEPTION("Native primitive type doesn't require expansion");
}
}