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-rw-r--r--src/gfx.cpp195
1 files changed, 89 insertions, 106 deletions
diff --git a/src/gfx.cpp b/src/gfx.cpp
index e6396fb6d..a0812baed 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -51,7 +51,8 @@ enum BlitterMode {
BM_TRANSPARENT,
};
-static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode);
+template <BlitterMode Tmode>
+static inline void GfxMainBlitter(const Sprite *sprite, int x, int y);
FontSize _cur_fontsize;
static FontSize _last_fontsize;
@@ -682,7 +683,7 @@ skip_cont:;
if (IsPrintable(c)) {
if (x >= dpi->left + dpi->width) goto skip_char;
if (x + 26 >= dpi->left) {
- GfxMainBlitter(GetGlyph(size, c), x, y, BM_COLOUR_REMAP);
+ GfxMainBlitter<BM_COLOUR_REMAP>(GetGlyph(size, c), x, y);
}
x += GetCharacterWidth(size, c);
} else if (c == '\n') { // newline = {}
@@ -719,12 +720,12 @@ void DrawSprite(SpriteID img, SpriteID pal, int x, int y)
{
if (HASBIT(img, PALETTE_MODIFIER_TRANSPARENT)) {
_color_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH)) + 1;
- GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y, BM_TRANSPARENT);
+ GfxMainBlitter<BM_TRANSPARENT>(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y);
} else if (pal != PAL_NONE) {
_color_remap_ptr = GetNonSprite(GB(pal, 0, PALETTE_WIDTH)) + 1;
- GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y, BM_COLOUR_REMAP);
+ GfxMainBlitter<BM_COLOUR_REMAP>(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y);
} else {
- GfxMainBlitter(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y, BM_NORMAL);
+ GfxMainBlitter<BM_NORMAL>(GetSprite(GB(img, 0, SPRITE_WIDTH)), x, y);
}
}
@@ -732,15 +733,15 @@ struct BlitterParams {
int start_x, start_y;
const byte *sprite;
Pixel *dst;
- BlitterMode mode;
int width, height;
int width_org;
int pitch;
};
-static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
+template <BlitterMode Tmode, ZoomLevel Tzoom>
+static inline void GfxBlitZoomUncomp(BlitterParams *bp)
{
- const byte *src = bp->sprite;
+ const byte *src = bp->sprite + bp->start_y * bp->width_org + bp->start_x;
Pixel *dst = bp->dst;
int height = bp->height;
int width = bp->width;
@@ -749,19 +750,19 @@ static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
assert(height > 0);
assert(width > 0);
- height = UnScaleByZoom(height, zoom);
+ height = UnScaleByZoom(height, Tzoom);
- switch (bp->mode) {
+ switch (Tmode) {
case BM_COLOUR_REMAP: {
const byte *ctab = _color_remap_ptr;
for (; height != 0; height--) {
- for (i = 0; i != UnScaleByZoom(width, zoom); i++) {
- byte b = ctab[src[ScaleByZoom(i, zoom)]];
+ for (i = 0; i != UnScaleByZoom(width, Tzoom); i++) {
+ byte b = ctab[src[ScaleByZoom(i, Tzoom)]];
if (b != 0) dst[i] = b;
}
- src += ScaleByZoom(bp->width_org, zoom);
+ src += ScaleByZoom(bp->width_org, Tzoom);
dst += bp->pitch;
}
break;
@@ -771,9 +772,9 @@ static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
const byte *ctab = _color_remap_ptr;
for (; height != 0; height--) {
- for (i = 0; i != UnScaleByZoom(width, zoom); i++)
- if (src[ScaleByZoom(i, zoom)] != 0) dst[i] = ctab[dst[i]];
- src += ScaleByZoom(bp->width_org, zoom);
+ for (i = 0; i != UnScaleByZoom(width, Tzoom); i++)
+ if (src[ScaleByZoom(i, Tzoom)] != 0) dst[i] = ctab[dst[i]];
+ src += ScaleByZoom(bp->width_org, Tzoom);
dst += bp->pitch;
}
break;
@@ -781,16 +782,17 @@ static void GfxBlitZoomUncomp(BlitterParams *bp, ZoomLevel zoom)
default:
for (; height != 0; height--) {
- for (i = 0; i != UnScaleByZoom(width, zoom); i++)
- if (src[ScaleByZoom(i, zoom)] != 0) dst[i] = src[ScaleByZoom(i, zoom)];
- src += ScaleByZoom(bp->width_org, zoom);
+ for (i = 0; i != UnScaleByZoom(width, Tzoom); i++)
+ if (src[ScaleByZoom(i, Tzoom)] != 0) dst[i] = src[ScaleByZoom(i, Tzoom)];
+ src += ScaleByZoom(bp->width_org, Tzoom);
dst += bp->pitch;
}
break;
}
}
-static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
+template <BlitterMode Tmode, ZoomLevel Tzoom>
+static inline void GfxBlitTileZoom(BlitterParams *bp)
{
const byte *src_o = bp->sprite;
const byte *src;
@@ -811,28 +813,28 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
dst = bp->dst;
- if (zoom >= ZOOM_LVL_OUT_2X && (skip & 1)) {
+ if (Tzoom >= ZOOM_LVL_OUT_2X && (skip & 1)) {
skip += 1;
src += 1;
num -= 1;
if (num <= 0) continue;
}
- if (zoom >= ZOOM_LVL_OUT_4X && (skip & 2)) {
+ if (Tzoom >= ZOOM_LVL_OUT_4X && (skip & 2)) {
skip += 2;
src += 2;
num -= 2;
if (num <= 0) continue;
}
- if (zoom >= ZOOM_LVL_OUT_8X && (skip & 4)) {
+ if (Tzoom >= ZOOM_LVL_OUT_8X && (skip & 4)) {
skip += 4;
src += 4;
num -= 4;
if (num <= 0) continue;
}
- if (zoom >= ZOOM_LVL_OUT_16X && (skip & 8)) {
+ if (Tzoom >= ZOOM_LVL_OUT_16X && (skip & 8)) {
skip += 8;
src += 8;
num -= 8;
@@ -840,7 +842,7 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
}
if ( (skip -= bp->start_x) > 0) {
- dst += UnScaleByZoom(skip, zoom);
+ dst += UnScaleByZoom(skip, Tzoom);
} else {
src -= skip;
num += skip;
@@ -854,15 +856,15 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
if (num <= 0) continue;
}
- num = UnScaleByZoom(num + ScaleByZoom(1, zoom) - 1, zoom);
+ num = UnScaleByZoom(num + ScaleByZoom(1, Tzoom) - 1, Tzoom);
- switch (bp->mode) {
+ switch (Tmode) {
case BM_COLOUR_REMAP:
ctab = _color_remap_ptr;
for (; num != 0; num--) {
*dst = ctab[*src];
dst++;
- src += ScaleByZoom(1, zoom);
+ src += ScaleByZoom(1, Tzoom);
}
break;
@@ -875,10 +877,14 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
break;
default:
- for (; num != 0; num--) {
- *dst = *src;
- dst++;
- src += ScaleByZoom(1, zoom);
+ if (Tzoom == ZOOM_LVL_NORMAL) {
+ memcpy(dst, src, num);
+ } else {
+ for (; num != 0; num--) {
+ *dst = *src;
+ dst++;
+ src += ScaleByZoom(1, Tzoom);
+ }
}
break;
}
@@ -889,7 +895,7 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
bp->dst += bp->pitch;
if (--bp->height == 0) return;
- for (int i = 0; i < ScaleByZoom(1, zoom) - 1; i++) {
+ for (int i = 0; i < ScaleByZoom(1, Tzoom) - 1; i++) {
do {
done = src_o[0];
src_o += (done & 0x7F) + 2;
@@ -899,7 +905,8 @@ static void GfxBlitTileZoom(BlitterParams *bp, ZoomLevel zoom)
}
}
-static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode)
+template <BlitterMode Tmode>
+static inline void GfxMainBlitter(const Sprite *sprite, int x, int y)
{
const DrawPixelInfo *dpi = _cur_dpi;
int start_x, start_y;
@@ -913,92 +920,68 @@ static void GfxMainBlitter(const Sprite *sprite, int x, int y, BlitterMode mode)
bp.height = sprite->height;
bp.sprite = sprite->data;
bp.dst = dpi->dst_ptr;
- bp.mode = mode;
bp.pitch = dpi->pitch;
assert(bp.height > 0);
assert(bp.width > 0);
- if (sprite->info & 8) {
- /* tile blit */
- start_y = 0;
-
- if (dpi->zoom > ZOOM_LVL_NORMAL) {
- start_y += bp.height & ~zoom_mask;
- bp.height &= zoom_mask;
- if (bp.height == 0) return;
- y &= zoom_mask;
- }
-
- if ( (y -= dpi->top) < 0) {
- bp.height += y;
- if (bp.height <= 0) return;
- start_y -= y;
- y = 0;
- } else {
- bp.dst += bp.pitch * UnScaleByZoom(y, dpi->zoom);
- }
- bp.start_y = start_y;
-
- if ( (y = y + bp.height - dpi->height) > 0) {
- bp.height -= y;
- if (bp.height <= 0) return;
- }
-
- start_x = 0;
- x &= zoom_mask;
- if ( (x -= dpi->left) < 0) {
- bp.width += x;
- if (bp.width <= 0) return;
- start_x -= x;
- x = 0;
- }
- bp.start_x = start_x;
- bp.dst += UnScaleByZoom(x, dpi->zoom);
-
- if ( (x = x + bp.width - dpi->width) > 0) {
- bp.width -= x;
- if (bp.width <= 0) return;
- }
-
- GfxBlitTileZoom(&bp, dpi->zoom);
- } else {
- bp.sprite += bp.width * (bp.height & ~zoom_mask);
+ start_y = 0;
+ if (dpi->zoom > ZOOM_LVL_NORMAL) {
+ start_y += bp.height & ~zoom_mask;
bp.height &= zoom_mask;
if (bp.height == 0) return;
-
y &= zoom_mask;
+ }
- if ( (y -= dpi->top) < 0) {
- bp.height += y;
- if (bp.height <= 0) return;
- bp.sprite -= bp.width * y;
- y = 0;
- } else {
- bp.dst += bp.pitch * UnScaleByZoom(y, dpi->zoom);
- }
+ if ( (y -= dpi->top) < 0) {
+ bp.height += y;
+ if (bp.height <= 0) return;
+ start_y -= y;
+ y = 0;
+ } else {
+ bp.dst += bp.pitch * UnScaleByZoom(y, dpi->zoom);
+ }
+ bp.start_y = start_y;
- if (bp.height > dpi->height - y) {
- bp.height = dpi->height - y;
- if (bp.height <= 0) return;
- }
+ if ( (y = y + bp.height - dpi->height) > 0) {
+ bp.height -= y;
+ if (bp.height <= 0) return;
+ }
- x &= zoom_mask;
+ start_x = 0;
+ x &= zoom_mask;
+ if ( (x -= dpi->left) < 0) {
+ bp.width += x;
+ if (bp.width <= 0) return;
+ start_x -= x;
+ x = 0;
+ }
+ bp.start_x = start_x;
+ bp.dst += UnScaleByZoom(x, dpi->zoom);
- if ( (x -= dpi->left) < 0) {
- bp.width += x;
- if (bp.width <= 0) return;
- bp.sprite -= x;
- x = 0;
- }
- bp.dst += UnScaleByZoom(x, dpi->zoom);
+ if ( (x = x + bp.width - dpi->width) > 0) {
+ bp.width -= x;
+ if (bp.width <= 0) return;
+ }
- if (bp.width > dpi->width - x) {
- bp.width = dpi->width - x;
- if (bp.width <= 0) return;
+ if (sprite->info & 8) {
+ switch (dpi->zoom) {
+ case ZOOM_LVL_NORMAL: GfxBlitTileZoom<Tmode, ZOOM_LVL_NORMAL>(&bp); break;
+ case ZOOM_LVL_OUT_2X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_2X>(&bp); break;
+ case ZOOM_LVL_OUT_4X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_4X>(&bp); break;
+ case ZOOM_LVL_OUT_8X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_8X>(&bp); break;
+ case ZOOM_LVL_OUT_16X: GfxBlitTileZoom<Tmode, ZOOM_LVL_OUT_16X>(&bp); break;
+ default: NOT_REACHED();
+ }
+ } else {
+ switch (dpi->zoom) {
+ case ZOOM_LVL_NORMAL: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_NORMAL>(&bp); break;
+ case ZOOM_LVL_OUT_2X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_2X>(&bp); break;
+ case ZOOM_LVL_OUT_4X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_4X>(&bp); break;
+ case ZOOM_LVL_OUT_8X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_8X>(&bp); break;
+ case ZOOM_LVL_OUT_16X: GfxBlitZoomUncomp<Tmode, ZOOM_LVL_OUT_16X>(&bp); break;
+ default: NOT_REACHED();
}
-
- GfxBlitZoomUncomp(&bp, dpi->zoom);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-14 10:13:37 +0000