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@ -7,51 +7,13 @@
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* 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/>.
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*/
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/** @file 32bpp_sse_base.hpp Functions related to SSE 32 bpp blitter. */
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/** @file 32bpp_sse_func.hpp Functions related to SSE 32 bpp blitter. */
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#ifndef BLITTER_32BPP_SSE_BASE_HPP
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#define BLITTER_32BPP_SSE_BASE_HPP
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#ifndef BLITTER_32BPP_SSE_FUNC_HPP
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#define BLITTER_32BPP_SSE_FUNC_HPP
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#ifdef WITH_SSE
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#include "32bpp_simple.hpp"
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#if (SSE_VERSION == 2)
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#include <emmintrin.h>
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#elif (SSE_VERSION == 3)
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#include <tmmintrin.h>
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#elif (SSE_VERSION == 4)
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#include <smmintrin.h>
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#endif
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#define META_LENGTH 2 ///< Number of uint32 inserted before each line of pixels in a sprite.
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#define MARGIN_NORMAL_THRESHOLD (zoom == ZOOM_LVL_OUT_32X ? 8 : 4) ///< Minimum width to use margins with BM_NORMAL.
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#define MARGIN_REMAP_THRESHOLD 4 ///< Minimum width to use margins with BM_COLOUR_REMAP.
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#ifdef _MSC_VER
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#define ALIGN(n) __declspec(align(n))
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#else
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#define ALIGN(n) __attribute__ ((aligned (n)))
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#endif
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typedef union ALIGN(16) um128i {
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__m128i m128i;
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uint8 m128i_u8[16];
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uint16 m128i_u16[8];
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uint32 m128i_u32[4];
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uint64 m128i_u64[2];
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} um128i;
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#define CLEAR_HIGH_BYTE_MASK _mm_setr_epi8(-1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0)
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#define ALPHA_CONTROL_MASK _mm_setr_epi8( 6, 7, 6, 7, 6, 7, -1, -1, 14, 15, 14, 15, 14, 15, -1, -1)
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#define PACK_LOW_CONTROL_MASK _mm_setr_epi8( 0, 2, 4, -1, 8, 10, 12, -1, -1, -1, -1, -1, -1, -1, -1, -1)
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#define PACK_HIGH_CONTROL_MASK _mm_setr_epi8(-1, -1, -1, -1, -1, -1, -1, -1, 0, 2, 4, -1, 8, 10, 12, -1)
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#define BRIGHTNESS_LOW_CONTROL_MASK _mm_setr_epi8( 1, 2, 1, 2, 1, 2, 0, 2, 3, 2, 3, 2, 3, 2, 0, 2)
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#define BRIGHTNESS_DIV_CLEANER _mm_setr_epi8(-1, 1, -1, 1, -1, 1, -1, 0, -1, 1, -1, 1, -1, 1, -1, 0)
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#define OVERBRIGHT_PRESENCE_MASK _mm_setr_epi8( 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0)
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#define OVERBRIGHT_VALUE_MASK _mm_setr_epi8(-1, 0, -1, 0, -1, 0, 0, 0, -1, 0, -1, 0, -1, 0, 0, 0)
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#define OVERBRIGHT_CONTROL_MASK _mm_setr_epi8( 0, 1, 0, 1, 0, 1, 7, 7, 2, 3, 2, 3, 2, 3, 7, 7)
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#define TRANSPARENT_NOM_BASE _mm_setr_epi16(256, 256, 256, 256, 256, 256, 256, 256)
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static inline void InsertFirstUint32(const uint32 value, __m128i &into)
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{
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#if (SSE_VERSION >= 4)
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@ -221,5 +183,240 @@ static inline __m128i AdjustBrightnessOfTwoPixels(__m128i from, uint32 brightnes
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#endif
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}
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#if FULL_ANIMATION == 0
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/**
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* Draws a sprite to a (screen) buffer. It is templated to allow faster operation.
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*
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* @tparam mode blitter mode
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* @param bp further blitting parameters
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* @param zoom zoom level at which we are drawing
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*/
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IGNORE_UNINITIALIZED_WARNING_START
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template <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last>
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#if (SSE_VERSION == 2)
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inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
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#elif (SSE_VERSION == 3)
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inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
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#elif (SSE_VERSION == 4)
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inline void Blitter_32bppSSE4::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
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#endif
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{
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const byte * const remap = bp->remap;
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Colour *dst_line = (Colour *) bp->dst + bp->top * bp->pitch + bp->left;
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int effective_width = bp->width;
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/* Find where to start reading in the source sprite. */
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const SpriteData * const sd = (const SpriteData *) bp->sprite;
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const SpriteInfo * const si = &sd->infos[zoom];
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const MapValue *src_mv_line = (const MapValue *) &sd->data[si->mv_offset] + bp->skip_top * si->sprite_width;
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const Colour *src_rgba_line = (const Colour *) ((const byte *) &sd->data[si->sprite_offset] + bp->skip_top * si->sprite_line_size);
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if (read_mode != RM_WITH_MARGIN) {
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src_rgba_line += bp->skip_left;
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src_mv_line += bp->skip_left;
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}
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const MapValue *src_mv = src_mv_line;
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/* Load these variables into register before loop. */
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#if (SSE_VERSION == 2)
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const __m128i clear_hi = CLEAR_HIGH_BYTE_MASK;
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#define ALPHA_BLEND_PARAM_1 clear_hi
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#define ALPHA_BLEND_PARAM_2 clear_hi
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#define DARKEN_PARAM_1 tr_nom_base
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#define DARKEN_PARAM_2 tr_nom_base
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#else
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const __m128i a_cm = ALPHA_CONTROL_MASK;
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const __m128i pack_low_cm = PACK_LOW_CONTROL_MASK;
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#define ALPHA_BLEND_PARAM_1 a_cm
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#define ALPHA_BLEND_PARAM_2 pack_low_cm
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#define DARKEN_PARAM_1 a_cm
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#define DARKEN_PARAM_2 tr_nom_base
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#endif
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const __m128i tr_nom_base = TRANSPARENT_NOM_BASE;
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for (int y = bp->height; y != 0; y--) {
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Colour *dst = dst_line;
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const Colour *src = src_rgba_line + META_LENGTH;
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if (mode == BM_COLOUR_REMAP) src_mv = src_mv_line;
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if (read_mode == RM_WITH_MARGIN) {
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assert(bt_last == BT_NONE); // or you must ensure block type is preserved
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src += src_rgba_line[0].data;
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dst += src_rgba_line[0].data;
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if (mode == BM_COLOUR_REMAP) src_mv += src_rgba_line[0].data;
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const int width_diff = si->sprite_width - bp->width;
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effective_width = bp->width - (int) src_rgba_line[0].data;
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const int delta_diff = (int) src_rgba_line[1].data - width_diff;
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const int new_width = effective_width - delta_diff;
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effective_width = delta_diff > 0 ? new_width : effective_width;
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if (effective_width <= 0) goto next_line;
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}
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switch (mode) {
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default:
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for (uint x = (uint) effective_width / 2; x > 0; x--) {
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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_mm_storel_epi64((__m128i*) dst, AlphaBlendTwoPixels(srcABCD, dstABCD, ALPHA_BLEND_PARAM_1, ALPHA_BLEND_PARAM_2));
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src += 2;
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dst += 2;
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}
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if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
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__m128i srcABCD = _mm_cvtsi32_si128(src->data);
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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dst->data = _mm_cvtsi128_si32(AlphaBlendTwoPixels(srcABCD, dstABCD, ALPHA_BLEND_PARAM_1, ALPHA_BLEND_PARAM_2));
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}
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break;
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case BM_COLOUR_REMAP:
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#if (SSE_VERSION >= 3)
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for (uint x = (uint) effective_width / 2; x > 0; x--) {
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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/* Remap colours. */
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if (mvX2 & 0x00FF00FF) {
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#define CMOV_REMAP(m_colour, m_src, m_m) \
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/* Written so the compiler uses CMOV. */ \
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Colour m_colour = 0; \
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{ \
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const Colour srcm = (Colour) (m_src); \
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const uint m = (byte) (m_m); \
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const uint r = remap[m]; \
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const Colour cmap = (this->LookupColourInPalette(r).data & 0x00FFFFFF) | (srcm.data & 0xFF000000); \
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m_colour = r == 0 ? m_colour : cmap; \
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m_colour = m != 0 ? m_colour : srcm; \
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}
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#ifdef _SQ64
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uint64 srcs = _mm_cvtsi128_si64(srcABCD);
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uint64 remapped_src = 0;
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CMOV_REMAP(c0, srcs, mvX2);
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remapped_src = c0.data;
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CMOV_REMAP(c1, srcs >> 32, mvX2 >> 16);
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remapped_src |= (uint64) c1.data << 32;
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srcABCD = _mm_cvtsi64_si128(remapped_src);
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#else
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Colour remapped_src[2];
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CMOV_REMAP(c0, _mm_cvtsi128_si32(srcABCD), mvX2);
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remapped_src[0] = c0.data;
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CMOV_REMAP(c1, src[1], mvX2 >> 16);
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remapped_src[1] = c1.data;
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srcABCD = _mm_loadl_epi64((__m128i*) &remapped_src);
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#endif
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if ((mvX2 & 0xFF00FF00) != 0x80008000) srcABCD = AdjustBrightnessOfTwoPixels(srcABCD, mvX2);
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}
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/* Blend colours. */
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_mm_storel_epi64((__m128i *) dst, AlphaBlendTwoPixels(srcABCD, dstABCD, ALPHA_BLEND_PARAM_1, ALPHA_BLEND_PARAM_2));
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dst += 2;
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src += 2;
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src_mv += 2;
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}
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if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
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#else
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for (uint x = (uint) effective_width; x > 0; x--) {
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#endif
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/* In case the m-channel is zero, do not remap this pixel in any way. */
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__m128i srcABCD;
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if (src_mv->m) {
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const uint r = remap[src_mv->m];
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if (r != 0) {
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Colour remapped_colour = AdjustBrightneSSE(this->LookupColourInPalette(r), src_mv->v);
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if (src->a == 255) {
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*dst = remapped_colour;
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} else {
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remapped_colour.a = src->a;
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srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
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goto bmcr_alpha_blend_single;
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}
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}
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} else {
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srcABCD = _mm_cvtsi32_si128(src->data);
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if (src->a < 255) {
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bmcr_alpha_blend_single:
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, ALPHA_BLEND_PARAM_1, ALPHA_BLEND_PARAM_2);
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}
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dst->data = _mm_cvtsi128_si32(srcABCD);
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}
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#if (SSE_VERSION == 2)
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src_mv++;
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dst++;
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src++;
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#endif
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}
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break;
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case BM_TRANSPARENT:
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/* Make the current colour a bit more black, so it looks like this image is transparent. */
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for (uint x = (uint) bp->width / 2; x > 0; x--) {
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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_mm_storel_epi64((__m128i *) dst, DarkenTwoPixels(srcABCD, dstABCD, DARKEN_PARAM_1, DARKEN_PARAM_2));
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src += 2;
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dst += 2;
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}
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if ((bt_last == BT_NONE && bp->width & 1) || bt_last == BT_ODD) {
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__m128i srcABCD = _mm_cvtsi32_si128(src->data);
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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dst->data = _mm_cvtsi128_si32(DarkenTwoPixels(srcABCD, dstABCD, DARKEN_PARAM_1, DARKEN_PARAM_2));
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}
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break;
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}
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next_line:
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if (mode == BM_COLOUR_REMAP) src_mv_line += si->sprite_width;
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src_rgba_line = (const Colour*) ((const byte*) src_rgba_line + si->sprite_line_size);
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dst_line += bp->pitch;
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}
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}
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IGNORE_UNINITIALIZED_WARNING_STOP
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/**
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* Draws a sprite to a (screen) buffer. Calls adequate templated function.
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*
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* @param bp further blitting parameters
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* @param mode blitter mode
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* @param zoom zoom level at which we are drawing
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*/
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#if (SSE_VERSION == 2)
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void Blitter_32bppSSE2::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
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#elif (SSE_VERSION == 3)
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void Blitter_32bppSSSE3::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
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#elif (SSE_VERSION == 4)
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void Blitter_32bppSSE4::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
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#endif
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{
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switch (mode) {
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case BM_NORMAL: {
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if (bp->skip_left != 0 || bp->width <= MARGIN_NORMAL_THRESHOLD) {
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const BlockType bt_last = (BlockType) (bp->width & 1);
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switch (bt_last) {
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case BT_EVEN: Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN>(bp, zoom); return;
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case BT_ODD: Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD>(bp, zoom); return;
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default: NOT_REACHED();
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}
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} else {
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Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE>(bp, zoom); return;
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}
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break;
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}
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case BM_COLOUR_REMAP:
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if (bp->skip_left != 0 || bp->width <= MARGIN_REMAP_THRESHOLD) {
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Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE>(bp, zoom); return;
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} else {
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Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE>(bp, zoom); return;
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}
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case BM_TRANSPARENT: Draw<BM_TRANSPARENT, RM_NONE, BT_NONE>(bp, zoom); return;
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default: NOT_REACHED();
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}
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}
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#endif /* FULL_ANIMATION */
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#endif /* WITH_SSE */
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#endif /* BLITTER_32BPP_SSE_BASE_HPP */
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#endif /* BLITTER_32BPP_SSE_FUNC_HPP */
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rubidium
11 years ago