summaryrefslogtreecommitdiff
path: root/src/blitter/32bpp_sse2.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/blitter/32bpp_sse2.cpp')
-rw-r--r--src/blitter/32bpp_sse2.cpp158
1 files changed, 1 insertions, 157 deletions
diff --git a/src/blitter/32bpp_sse2.cpp b/src/blitter/32bpp_sse2.cpp
index 49fb28c35..2f1dc3828 100644
--- a/src/blitter/32bpp_sse2.cpp
+++ b/src/blitter/32bpp_sse2.cpp
@@ -15,167 +15,11 @@
#include "../zoom_func.h"
#include "../settings_type.h"
#include "32bpp_sse2.hpp"
+#include "32bpp_sse_func.hpp"
/** Instantiation of the SSE2 32bpp blitter factory. */
static FBlitter_32bppSSE2 iFBlitter_32bppSSE2;
-/**
- * Draws a sprite to a (screen) buffer. It is templated to allow faster operation.
- *
- * @tparam mode blitter mode
- * @param bp further blitting parameters
- * @param zoom zoom level at which we are drawing
- */
-IGNORE_UNINITIALIZED_WARNING_START
-template <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last>
-inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
-{
- const byte *remap = bp->remap;
- Colour *dst_line = (Colour *) bp->dst + bp->top * bp->pitch + bp->left;
- int effective_width = bp->width;
-
- /* Find where to start reading in the source sprite */
- const SpriteData * const sd = (const SpriteData *) bp->sprite;
- const SpriteInfo * const si = &sd->infos[zoom];
- const MapValue *src_mv_line = (const MapValue *) &sd->data[si->mv_offset] + bp->skip_top * si->sprite_width;
- const Colour *src_rgba_line = (const Colour *) ((const byte *) &sd->data[si->sprite_offset] + bp->skip_top * si->sprite_line_size);
-
- if (read_mode != RM_WITH_MARGIN) {
- src_rgba_line += bp->skip_left;
- src_mv_line += bp->skip_left;
- }
- const MapValue *src_mv = src_mv_line;
-
- /* Load these variables into register before loop. */
- const __m128i clear_hi = CLEAR_HIGH_BYTE_MASK;
- const __m128i tr_nom_base = TRANSPARENT_NOM_BASE;
-
- for (int y = bp->height; y != 0; y--) {
- Colour *dst = dst_line;
- const Colour *src = src_rgba_line + META_LENGTH;
- if (mode == BM_COLOUR_REMAP) src_mv = src_mv_line;
-
- if (read_mode == RM_WITH_MARGIN) {
- assert(bt_last == BT_NONE); // or you must ensure block type is preserved
- src += src_rgba_line[0].data;
- dst += src_rgba_line[0].data;
- if (mode == BM_COLOUR_REMAP) src_mv += src_rgba_line[0].data;
- const int width_diff = si->sprite_width - bp->width;
- effective_width = bp->width - (int) src_rgba_line[0].data;
- const int delta_diff = (int) src_rgba_line[1].data - width_diff;
- const int new_width = effective_width - delta_diff;
- effective_width = delta_diff > 0 ? new_width : effective_width;
- if (effective_width <= 0) goto next_line;
- }
-
- switch (mode) {
- default:
- for (uint x = (uint) effective_width / 2; x > 0; x--) {
- __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
- __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
- _mm_storel_epi64((__m128i*) dst, AlphaBlendTwoPixels(srcABCD, dstABCD, clear_hi, clear_hi));
- src += 2;
- dst += 2;
- }
-
- if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
- __m128i srcABCD = _mm_cvtsi32_si128(src->data);
- __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
- dst->data = _mm_cvtsi128_si32(AlphaBlendTwoPixels(srcABCD, dstABCD, clear_hi, clear_hi));
- }
- break;
-
- case BM_COLOUR_REMAP:
- for (uint x = (uint) effective_width; x != 0; x--) {
- /* In case the m-channel is zero, do not remap this pixel in any way. */
- __m128i srcABCD;
- if (src_mv->m) {
- const uint r = remap[src_mv->m];
- if (r != 0) {
- Colour remapped_colour = AdjustBrightneSSE(this->LookupColourInPalette(r), src_mv->v);
- if (src->a == 255) {
- *dst = remapped_colour;
- } else {
- remapped_colour.a = src->a;
- srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
- goto bmcr_alpha_blend_single;
- }
- }
- } else {
- srcABCD = _mm_cvtsi32_si128(src->data);
- if (src->a < 255) {
-bmcr_alpha_blend_single:
- __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
- srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, clear_hi, clear_hi);
- }
- dst->data = _mm_cvtsi128_si32(srcABCD);
- }
- src_mv++;
- dst++;
- src++;
- }
- break;
-
- case BM_TRANSPARENT:
- /* Make the current colour a bit more black, so it looks like this image is transparent. */
- for (uint x = (uint) bp->width / 2; x > 0; x--) {
- __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
- __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
- _mm_storel_epi64((__m128i *) dst, DarkenTwoPixels(srcABCD, dstABCD, tr_nom_base, tr_nom_base));
- src += 2;
- dst += 2;
- }
-
- if ((bt_last == BT_NONE && bp->width & 1) || bt_last == BT_ODD) {
- __m128i srcABCD = _mm_cvtsi32_si128(src->data);
- __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
- dst->data = _mm_cvtsi128_si32(DarkenTwoPixels(srcABCD, dstABCD, tr_nom_base, tr_nom_base));
- }
- break;
- }
-
-next_line:
- if (mode == BM_COLOUR_REMAP) src_mv_line += si->sprite_width;
- src_rgba_line = (const Colour*) ((const byte*) src_rgba_line + si->sprite_line_size);
- dst_line += bp->pitch;
- }
-}
-IGNORE_UNINITIALIZED_WARNING_STOP
-
-/**
- * Draws a sprite to a (screen) buffer. Calls adequate templated function.
- *
- * @param bp further blitting parameters
- * @param mode blitter mode
- * @param zoom zoom level at which we are drawing
- */
-void Blitter_32bppSSE2::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
-{
- switch (mode) {
- case BM_NORMAL: {
- if (bp->skip_left != 0 || bp->width <= MARGIN_NORMAL_THRESHOLD) {
- const BlockType bt_last = (BlockType) (bp->width & 1);
- switch (bt_last) {
- case BT_EVEN: Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN>(bp, zoom); return;
- case BT_ODD: Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD>(bp, zoom); return;
- default: NOT_REACHED();
- }
- } else {
- Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE>(bp, zoom); return;
- }
- break;
- }
- case BM_COLOUR_REMAP:
- if (bp->skip_left != 0 || bp->width <= MARGIN_REMAP_THRESHOLD) {
- Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE>(bp, zoom); return;
- } else {
- Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE>(bp, zoom); return;
- }
- case BM_TRANSPARENT: Draw<BM_TRANSPARENT, RM_NONE, BT_NONE>(bp, zoom); return;
- default: NOT_REACHED();
- }
-}
-
Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator)
{
/* First uint32 of a line = the number of transparent pixels from the left.
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-06-27 22:17:53 +0000