Silence uninitialised variable warnings in SSE blitters
[openttd/fttd.git] / src / blitter / 32bpp_sse4.hpp
blobf3a24fa1ec30c06b28a7db698e9b5ebf6f59a4ce
1 /* $Id$ */
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
10 /** @file 32bpp_sse4.hpp SSE4 32 bpp blitter. */
12 #ifndef BLITTER_32BPP_SSE4_HPP
13 #define BLITTER_32BPP_SSE4_HPP
15 #ifdef WITH_SSE
17 #include "32bpp_ssse3.hpp"
18 #include "smmintrin.h"
20 #undef EXTR32
21 #define EXTR32(from, rank) _mm_extract_epi32((*(um128i*) &from).m128i, rank)
22 #undef INSR32
23 #define INSR32(val, into, rank) (*(um128i*) &into).m128i = _mm_insert_epi32((*(um128i*) &into).m128i, val, rank)
25 IGNORE_UNINITIALIZED_WARNING_START
26 #ifdef _SQ64
27 #undef INSR64
28 #define INSR64(val, into, rank) (*(um128i*) &into).m128i = _mm_insert_epi64((*(um128i*) &into).m128i, val, rank)
29 #else
30 typedef union { uint64 u64; struct _u32 { uint32 low, high; } u32; } u6432;
31 #undef INSR64
32 #define INSR64(val, into, rank) { \
33 u6432 v; \
34 v.u64 = val; \
35 (*(um128i*) &into).m128i = _mm_insert_epi32((*(um128i*) &into).m128i, v.u32.low, (rank)*2); \
36 (*(um128i*) &into).m128i = _mm_insert_epi32((*(um128i*) &into).m128i, v.u32.high, (rank)*2 + 1); \
38 #endif
39 IGNORE_UNINITIALIZED_WARNING_STOP
41 /** The SSE4 32 bpp blitter (without palette animation). */
42 class Blitter_32bppSSE4 : public Blitter_32bppSSSE3 {
43 public:
44 Colour AdjustBrightness(Colour colour, uint8 brightness);
45 static Colour ReallyAdjustBrightness(Colour colour, uint8 brightness);
47 /* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
48 template <BlitterMode mode, Blitter_32bppSSE_Base::ReadMode read_mode, Blitter_32bppSSE_Base::BlockType bt_last>
49 void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
50 /* virtual */ const char *GetName() { return "32bpp-sse4"; }
53 /** Factory for the SSE4 32 bpp blitter (without palette animation). */
54 class FBlitter_32bppSSE4: public BlitterFactory {
55 public:
56 FBlitter_32bppSSE4() : BlitterFactory("32bpp-sse4", "32bpp SSE4 Blitter (no palette animation)", HasCPUIDFlag(1, 2, 19)) {}
57 /* virtual */ Blitter *CreateInstance() { return new Blitter_32bppSSE4(); }
60 #endif /* WITH_SSE */
61 #endif /* BLITTER_32BPP_SSE4_HPP */