mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r10043) -Change: make templates of the blitters, based on zoom and mode, which makes the optimizing better, and therefor a higher blitter speed (tnx boekabart)
-Codechange: unify the MainBlitter a bit more
This commit is contained in:
parent
4403d41934
commit
7d0a1c91d4
201
src/gfx.cpp
201
src/gfx.cpp
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@ -51,7 +51,8 @@ enum BlitterMode {
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BM_TRANSPARENT,
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};
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static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode);
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template <BlitterMode Tmode>
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static inline void GfxMainBlitter(const Sprite *sprite, int x, int y);
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FontSize _cur_fontsize;
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static FontSize _last_fontsize;
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@ -682,7 +683,7 @@ skip_cont:;
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if (IsPrintable(c)) {
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if (x >= dpi->left + dpi->width) goto skip_char;
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if (x + 26 >= dpi->left) {
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GfxMainBlitter(GetGlyph(size, c), x, y, BM_COLOUR_REMAP);
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GfxMainBlitter<BM_COLOUR_REMAP>(GetGlyph(size, c), x, y);
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}
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x += GetCharacterWidth(size, c);
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} else if (c == '\n') { // newline = {}
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@ -719,12 +720,12 @@ void DrawSprite(SpriteID img, SpriteID pal, int x, int y)
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{
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if (HASBIT(img, PALETTE_MODIFIER_TRANSPARENT)) {
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_color_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH)) + 1;
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GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y, BM_TRANSPARENT);
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GfxMainBlitter<BM_TRANSPARENT>(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y);
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} else if (pal != PAL_NONE) {
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_color_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH)) + 1;
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GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y, BM_COLOUR_REMAP);
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GfxMainBlitter<BM_COLOUR_REMAP>(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y);
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} else {
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GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y, BM_NORMAL);
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GfxMainBlitter<BM_NORMAL>(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y);
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}
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}
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@ -732,15 +733,15 @@ struct BlitterParams {
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int start_x, start_y;
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const byte *sprite;
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Pixel *dst;
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BlitterMode mode;
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int width, height;
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int width_org;
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int pitch;
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};
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static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
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template <BlitterMode Tmode, ZoomLevel Tzoom>
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static inline void GfxBlitZoomUncomp(BlitterParams *bp)
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{
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const byte *src = bp->sprite;
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const byte *src = bp->sprite + bp->start_y * bp->width_org + bp->start_x;
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Pixel *dst = bp->dst;
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int height = bp->height;
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int width = bp->width;
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@ -749,19 +750,19 @@ static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
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assert(height > 0);
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assert(width > 0);
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height = UnScaleByZoom(height, zoom);
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height = UnScaleByZoom(height, Tzoom);
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switch (bp->mode) {
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switch (Tmode) {
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case BM_COLOUR_REMAP: {
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const byte *ctab = _color_remap_ptr;
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for (; height != 0; height--) {
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for (i = 0; i != UnScaleByZoom(width, zoom); i++) {
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byte b = ctab[src[ScaleByZoom(i, zoom)]];
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for (i = 0; i != UnScaleByZoom(width, Tzoom); i++) {
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byte b = ctab[src[ScaleByZoom(i, Tzoom)]];
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if (b != 0) dst[i] = b;
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}
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src += ScaleByZoom(bp->width_org, zoom);
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src += ScaleByZoom(bp->width_org, Tzoom);
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dst += bp->pitch;
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}
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break;
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@ -771,9 +772,9 @@ static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
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const byte *ctab = _color_remap_ptr;
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for (; height != 0; height--) {
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for (i = 0; i != UnScaleByZoom(width, zoom); i++)
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if (src[ScaleByZoom(i, zoom)] != 0) dst[i] = ctab[dst[i]];
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src += ScaleByZoom(bp->width_org, zoom);
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for (i = 0; i != UnScaleByZoom(width, Tzoom); i++)
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if (src[ScaleByZoom(i, Tzoom)] != 0) dst[i] = ctab[dst[i]];
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src += ScaleByZoom(bp->width_org, Tzoom);
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dst += bp->pitch;
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}
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break;
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@ -781,16 +782,17 @@ static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
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default:
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for (; height != 0; height--) {
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for (i = 0; i != UnScaleByZoom(width, zoom); i++)
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if (src[ScaleByZoom(i, zoom)] != 0) dst[i] = src[ScaleByZoom(i, zoom)];
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src += ScaleByZoom(bp->width_org, zoom);
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for (i = 0; i != UnScaleByZoom(width, Tzoom); i++)
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if (src[ScaleByZoom(i, Tzoom)] != 0) dst[i] = src[ScaleByZoom(i, Tzoom)];
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src += ScaleByZoom(bp->width_org, Tzoom);
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dst += bp->pitch;
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}
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break;
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}
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}
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static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
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template <BlitterMode Tmode, ZoomLevel Tzoom>
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static inline void GfxBlitTileZoom(BlitterParams *bp)
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{
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const byte *src_o = bp->sprite;
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const byte *src;
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@ -811,28 +813,28 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
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dst = bp->dst;
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if (zoom >= ZOOM_LVL_OUT_2X && (skip & 1)) {
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if (Tzoom >= ZOOM_LVL_OUT_2X && (skip & 1)) {
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skip += 1;
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src += 1;
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num -= 1;
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if (num <= 0) continue;
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}
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if (zoom >= ZOOM_LVL_OUT_4X && (skip & 2)) {
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if (Tzoom >= ZOOM_LVL_OUT_4X && (skip & 2)) {
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skip += 2;
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src += 2;
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num -= 2;
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if (num <= 0) continue;
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}
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if (zoom >= ZOOM_LVL_OUT_8X && (skip & 4)) {
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if (Tzoom >= ZOOM_LVL_OUT_8X && (skip & 4)) {
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skip += 4;
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src += 4;
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num -= 4;
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if (num <= 0) continue;
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}
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if (zoom >= ZOOM_LVL_OUT_16X && (skip & 8)) {
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if (Tzoom >= ZOOM_LVL_OUT_16X && (skip & 8)) {
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skip += 8;
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src += 8;
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num -= 8;
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@ -840,7 +842,7 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
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}
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if ( (skip -= bp->start_x) > 0) {
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dst += UnScaleByZoom(skip, zoom);
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dst += UnScaleByZoom(skip, Tzoom);
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} else {
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src -= skip;
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num += skip;
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@ -854,15 +856,15 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
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if (num <= 0) continue;
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}
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num = UnScaleByZoom(num + ScaleByZoom(1, zoom) - 1, zoom);
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num = UnScaleByZoom(num + ScaleByZoom(1, Tzoom) - 1, Tzoom);
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switch (bp->mode) {
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switch (Tmode) {
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case BM_COLOUR_REMAP:
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ctab = _color_remap_ptr;
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for (; num != 0; num--) {
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*dst = ctab[*src];
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dst++;
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src += ScaleByZoom(1, zoom);
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src += ScaleByZoom(1, Tzoom);
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}
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break;
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@ -875,10 +877,14 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
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break;
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default:
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for (; num != 0; num--) {
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*dst = *src;
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dst++;
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src += ScaleByZoom(1, zoom);
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if (Tzoom == ZOOM_LVL_NORMAL) {
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memcpy(dst, src, num);
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} else {
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for (; num != 0; num--) {
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*dst = *src;
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dst++;
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src += ScaleByZoom(1, Tzoom);
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}
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}
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break;
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}
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@ -889,7 +895,7 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
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bp->dst += bp->pitch;
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if (--bp->height == 0) return;
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for (int i = 0; i < ScaleByZoom(1, zoom) - 1; i++) {
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for (int i = 0; i < ScaleByZoom(1, Tzoom) - 1; i++) {
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do {
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done = src_o[0];
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src_o += (done & 0x7F) + 2;
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}
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}
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static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode)
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template <BlitterMode Tmode>
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static inline void GfxMainBlitter(const Sprite *sprite, int x, int y)
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{
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const DrawPixelInfo *dpi = _cur_dpi;
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int start_x, start_y;
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@ -913,92 +920,68 @@ static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode)
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bp.height = sprite->height;
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bp.sprite = sprite->data;
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bp.dst = dpi->dst_ptr;
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bp.mode = mode;
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bp.pitch = dpi->pitch;
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assert(bp.height > 0);
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assert(bp.width > 0);
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if (sprite->info & 8) {
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/* tile blit */
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start_y = 0;
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if (dpi->zoom > ZOOM_LVL_NORMAL) {
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start_y += bp.height & ~zoom_mask;
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bp.height &= zoom_mask;
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if (bp.height == 0) return;
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y &= zoom_mask;
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}
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if ( (y -= dpi->top) < 0) {
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bp.height += y;
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if (bp.height <= 0) return;
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start_y -= y;
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y = 0;
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} else {
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bp.dst += bp.pitch * UnScaleByZoom(y, dpi->zoom);
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}
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bp.start_y = start_y;
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if ( (y = y + bp.height - dpi->height) > 0) {
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bp.height -= y;
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if (bp.height <= 0) return;
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}
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start_x = 0;
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x &= zoom_mask;
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if ( (x -= dpi->left) < 0) {
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bp.width += x;
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if (bp.width <= 0) return;
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start_x -= x;
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x = 0;
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}
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bp.start_x = start_x;
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bp.dst += UnScaleByZoom(x, dpi->zoom);
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if ( (x = x + bp.width - dpi->width) > 0) {
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bp.width -= x;
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if (bp.width <= 0) return;
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}
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GfxBlitTileZoom(&bp, dpi->zoom);
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} else {
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bp.sprite += bp.width * (bp.height & ~zoom_mask);
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start_y = 0;
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if (dpi->zoom > ZOOM_LVL_NORMAL) {
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start_y += bp.height & ~zoom_mask;
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bp.height &= zoom_mask;
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if (bp.height == 0) return;
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y &= zoom_mask;
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}
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if ( (y -= dpi->top) < 0) {
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bp.height += y;
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if (bp.height <= 0) return;
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bp.sprite -= bp.width * y;
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y = 0;
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} else {
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bp.dst += bp.pitch * UnScaleByZoom(y, dpi->zoom);
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if ( (y -= dpi->top) < 0) {
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bp.height += y;
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if (bp.height <= 0) return;
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start_y -= y;
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y = 0;
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} else {
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bp.dst += bp.pitch * UnScaleByZoom(y, dpi->zoom);
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}
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bp.start_y = start_y;
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if ( (y = y + bp.height - dpi->height) > 0) {
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bp.height -= y;
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if (bp.height <= 0) return;
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}
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start_x = 0;
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x &= zoom_mask;
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if ( (x -= dpi->left) < 0) {
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bp.width += x;
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if (bp.width <= 0) return;
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start_x -= x;
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x = 0;
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}
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bp.start_x = start_x;
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bp.dst += UnScaleByZoom(x, dpi->zoom);
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if ( (x = x + bp.width - dpi->width) > 0) {
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bp.width -= x;
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if (bp.width <= 0) return;
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}
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if (sprite->info & 8) {
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switch (dpi->zoom) {
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case ZOOM_LVL_NORMAL: GfxBlitTileZoom<Tmode, ZOOM_LVL_NORMAL>(&bp); break;
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case ZOOM_LVL_OUT_2X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_2X>(&bp); break;
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case ZOOM_LVL_OUT_4X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_4X>(&bp); break;
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case ZOOM_LVL_OUT_8X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_8X>(&bp); break;
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case ZOOM_LVL_OUT_16X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_16X>(&bp); break;
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default: NOT_REACHED();
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}
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if (bp.height > dpi->height - y) {
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bp.height = dpi->height - y;
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if (bp.height <= 0) return;
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} else {
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switch (dpi->zoom) {
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case ZOOM_LVL_NORMAL: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_NORMAL>(&bp); break;
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case ZOOM_LVL_OUT_2X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_2X>(&bp); break;
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case ZOOM_LVL_OUT_4X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_4X>(&bp); break;
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case ZOOM_LVL_OUT_8X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_8X>(&bp); break;
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case ZOOM_LVL_OUT_16X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_16X>(&bp); break;
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default: NOT_REACHED();
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}
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x &= zoom_mask;
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if ( (x -= dpi->left) < 0) {
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bp.width += x;
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if (bp.width <= 0) return;
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bp.sprite -= x;
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x = 0;
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}
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bp.dst += UnScaleByZoom(x, dpi->zoom);
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if (bp.width > dpi->width - x) {
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bp.width = dpi->width - x;
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if (bp.width <= 0) return;
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}
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GfxBlitZoomUncomp(&bp, dpi->zoom);
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}
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}
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