Initialize with OpenTTD 1.9.3
This commit is contained in:
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543
src/blitter/32bpp_anim.cpp
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543
src/blitter/32bpp_anim.cpp
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/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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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_anim.cpp Implementation of the optimized 32 bpp blitter with animation support. */
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#include "../stdafx.h"
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#include "../video/video_driver.hpp"
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#include "32bpp_anim.hpp"
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#include "common.hpp"
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#include "../table/sprites.h"
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#include "../safeguards.h"
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/** Instantiation of the 32bpp with animation blitter factory. */
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static FBlitter_32bppAnim iFBlitter_32bppAnim;
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Blitter_32bppAnim::~Blitter_32bppAnim()
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{
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free(this->anim_alloc);
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}
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template <BlitterMode mode>
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inline void Blitter_32bppAnim::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
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{
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const SpriteData *src = (const SpriteData *)bp->sprite;
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const Colour *src_px = (const Colour *)(src->data + src->offset[zoom][0]);
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const uint16 *src_n = (const uint16 *)(src->data + src->offset[zoom][1]);
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for (uint i = bp->skip_top; i != 0; i--) {
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src_px = (const Colour *)((const byte *)src_px + *(const uint32 *)src_px);
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src_n = (const uint16 *)((const byte *)src_n + *(const uint32 *)src_n);
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}
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Colour *dst = (Colour *)bp->dst + bp->top * bp->pitch + bp->left;
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uint16 *anim = this->anim_buf + this->ScreenToAnimOffset((uint32 *)bp->dst) + bp->top * this->anim_buf_pitch + bp->left;
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const byte *remap = bp->remap; // store so we don't have to access it via bp everytime
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for (int y = 0; y < bp->height; y++) {
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Colour *dst_ln = dst + bp->pitch;
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uint16 *anim_ln = anim + this->anim_buf_pitch;
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const Colour *src_px_ln = (const Colour *)((const byte *)src_px + *(const uint32 *)src_px);
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src_px++;
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const uint16 *src_n_ln = (const uint16 *)((const byte *)src_n + *(const uint32 *)src_n);
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src_n += 2;
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Colour *dst_end = dst + bp->skip_left;
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uint n;
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while (dst < dst_end) {
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n = *src_n++;
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if (src_px->a == 0) {
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dst += n;
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src_px ++;
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src_n++;
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if (dst > dst_end) anim += dst - dst_end;
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} else {
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if (dst + n > dst_end) {
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uint d = dst_end - dst;
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src_px += d;
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src_n += d;
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dst = dst_end - bp->skip_left;
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dst_end = dst + bp->width;
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n = min<uint>(n - d, (uint)bp->width);
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goto draw;
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}
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dst += n;
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src_px += n;
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src_n += n;
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}
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}
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dst -= bp->skip_left;
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dst_end -= bp->skip_left;
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dst_end += bp->width;
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while (dst < dst_end) {
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n = min<uint>(*src_n++, (uint)(dst_end - dst));
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if (src_px->a == 0) {
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anim += n;
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dst += n;
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src_px++;
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src_n++;
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continue;
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}
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draw:;
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switch (mode) {
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case BM_COLOUR_REMAP:
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if (src_px->a == 255) {
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do {
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uint m = *src_n;
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/* In case the m-channel is zero, do not remap this pixel in any way */
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if (m == 0) {
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*dst = src_px->data;
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*anim = 0;
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} else {
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uint r = remap[GB(m, 0, 8)];
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*anim = r | (m & 0xFF00);
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if (r != 0) *dst = this->AdjustBrightness(this->LookupColourInPalette(r), GB(m, 8, 8));
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}
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anim++;
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dst++;
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src_px++;
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src_n++;
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} while (--n != 0);
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} else {
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do {
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uint m = *src_n;
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if (m == 0) {
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*dst = ComposeColourRGBANoCheck(src_px->r, src_px->g, src_px->b, src_px->a, *dst);
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*anim = 0;
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} else {
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uint r = remap[GB(m, 0, 8)];
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*anim = 0;
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if (r != 0) *dst = ComposeColourPANoCheck(this->AdjustBrightness(this->LookupColourInPalette(r), GB(m, 8, 8)), src_px->a, *dst);
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}
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anim++;
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dst++;
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src_px++;
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src_n++;
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} while (--n != 0);
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}
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break;
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case BM_CRASH_REMAP:
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if (src_px->a == 255) {
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do {
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uint m = *src_n;
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if (m == 0) {
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uint8 g = MakeDark(src_px->r, src_px->g, src_px->b);
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*dst = ComposeColourRGBA(g, g, g, src_px->a, *dst);
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*anim = 0;
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} else {
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uint r = remap[GB(m, 0, 8)];
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*anim = r | (m & 0xFF00);
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if (r != 0) *dst = this->AdjustBrightness(this->LookupColourInPalette(r), GB(m, 8, 8));
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}
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anim++;
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dst++;
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src_px++;
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src_n++;
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} while (--n != 0);
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} else {
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do {
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uint m = *src_n;
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if (m == 0) {
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if (src_px->a != 0) {
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uint8 g = MakeDark(src_px->r, src_px->g, src_px->b);
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*dst = ComposeColourRGBA(g, g, g, src_px->a, *dst);
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*anim = 0;
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}
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} else {
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uint r = remap[GB(m, 0, 8)];
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*anim = 0;
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if (r != 0) *dst = ComposeColourPANoCheck(this->AdjustBrightness(this->LookupColourInPalette(r), GB(m, 8, 8)), src_px->a, *dst);
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}
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anim++;
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dst++;
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src_px++;
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src_n++;
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} while (--n != 0);
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}
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break;
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case BM_BLACK_REMAP:
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do {
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*dst++ = Colour(0, 0, 0);
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*anim++ = 0;
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src_px++;
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src_n++;
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} while (--n != 0);
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break;
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case BM_TRANSPARENT:
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/* TODO -- We make an assumption here that the remap in fact is transparency, not some colour.
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* This is never a problem with the code we produce, but newgrfs can make it fail... or at least:
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* we produce a result the newgrf maker didn't expect ;) */
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/* Make the current colour a bit more black, so it looks like this image is transparent */
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src_n += n;
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if (src_px->a == 255) {
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src_px += n;
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do {
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*dst = MakeTransparent(*dst, 3, 4);
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*anim = 0;
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anim++;
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dst++;
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} while (--n != 0);
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} else {
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do {
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*dst = MakeTransparent(*dst, (256 * 4 - src_px->a), 256 * 4);
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*anim = 0;
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anim++;
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dst++;
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src_px++;
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} while (--n != 0);
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}
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break;
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default:
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if (src_px->a == 255) {
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do {
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/* Compiler assumes pointer aliasing, can't optimise this on its own */
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uint m = GB(*src_n, 0, 8);
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/* Above PALETTE_ANIM_START is palette animation */
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*anim++ = *src_n;
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*dst++ = (m >= PALETTE_ANIM_START) ? this->AdjustBrightness(this->LookupColourInPalette(m), GB(*src_n, 8, 8)) : src_px->data;
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src_px++;
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src_n++;
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} while (--n != 0);
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} else {
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do {
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uint m = GB(*src_n, 0, 8);
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*anim++ = 0;
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if (m >= PALETTE_ANIM_START) {
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*dst = ComposeColourPANoCheck(this->AdjustBrightness(this->LookupColourInPalette(m), GB(*src_n, 8, 8)), src_px->a, *dst);
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} else {
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*dst = ComposeColourRGBANoCheck(src_px->r, src_px->g, src_px->b, src_px->a, *dst);
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}
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dst++;
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src_px++;
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src_n++;
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} while (--n != 0);
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}
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break;
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}
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}
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anim = anim_ln;
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dst = dst_ln;
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src_px = src_px_ln;
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src_n = src_n_ln;
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}
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}
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void Blitter_32bppAnim::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
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{
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if (_screen_disable_anim) {
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/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent Draw() */
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Blitter_32bppOptimized::Draw(bp, mode, zoom);
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return;
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}
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switch (mode) {
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default: NOT_REACHED();
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case BM_NORMAL: Draw<BM_NORMAL> (bp, zoom); return;
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case BM_COLOUR_REMAP: Draw<BM_COLOUR_REMAP>(bp, zoom); return;
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case BM_TRANSPARENT: Draw<BM_TRANSPARENT> (bp, zoom); return;
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case BM_CRASH_REMAP: Draw<BM_CRASH_REMAP> (bp, zoom); return;
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case BM_BLACK_REMAP: Draw<BM_BLACK_REMAP> (bp, zoom); return;
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}
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}
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void Blitter_32bppAnim::DrawColourMappingRect(void *dst, int width, int height, PaletteID pal)
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{
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if (_screen_disable_anim) {
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/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent DrawColourMappingRect() */
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Blitter_32bppOptimized::DrawColourMappingRect(dst, width, height, pal);
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return;
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}
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Colour *udst = (Colour *)dst;
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uint16 *anim = this->anim_buf + this->ScreenToAnimOffset((uint32 *)dst);
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if (pal == PALETTE_TO_TRANSPARENT) {
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do {
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for (int i = 0; i != width; i++) {
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*udst = MakeTransparent(*udst, 154);
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*anim = 0;
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udst++;
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anim++;
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}
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udst = udst - width + _screen.pitch;
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anim = anim - width + this->anim_buf_pitch;
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} while (--height);
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return;
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}
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if (pal == PALETTE_NEWSPAPER) {
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do {
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for (int i = 0; i != width; i++) {
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*udst = MakeGrey(*udst);
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*anim = 0;
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udst++;
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anim++;
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}
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udst = udst - width + _screen.pitch;
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anim = anim - width + this->anim_buf_pitch;
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} while (--height);
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return;
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}
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DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this colour table ('%d')", pal);
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}
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void Blitter_32bppAnim::SetPixel(void *video, int x, int y, uint8 colour)
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{
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*((Colour *)video + x + y * _screen.pitch) = LookupColourInPalette(colour);
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/* Set the colour in the anim-buffer too, if we are rendering to the screen */
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if (_screen_disable_anim) return;
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this->anim_buf[this->ScreenToAnimOffset((uint32 *)video) + x + y * this->anim_buf_pitch] = colour | (DEFAULT_BRIGHTNESS << 8);
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}
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void Blitter_32bppAnim::DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour, int width, int dash)
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{
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const Colour c = LookupColourInPalette(colour);
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if (_screen_disable_anim) {
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this->DrawLineGeneric(x, y, x2, y2, screen_width, screen_height, width, dash, [&](int x, int y) {
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*((Colour *)video + x + y * _screen.pitch) = c;
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});
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} else {
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uint16 * const offset_anim_buf = this->anim_buf + this->ScreenToAnimOffset((uint32 *)video);
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const uint16 anim_colour = colour | (DEFAULT_BRIGHTNESS << 8);
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this->DrawLineGeneric(x, y, x2, y2, screen_width, screen_height, width, dash, [&](int x, int y) {
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*((Colour *)video + x + y * _screen.pitch) = c;
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offset_anim_buf[x + y * this->anim_buf_pitch] = anim_colour;
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});
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}
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}
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void Blitter_32bppAnim::DrawRect(void *video, int width, int height, uint8 colour)
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{
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if (_screen_disable_anim) {
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/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent DrawRect() */
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Blitter_32bppOptimized::DrawRect(video, width, height, colour);
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return;
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}
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Colour colour32 = LookupColourInPalette(colour);
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uint16 *anim_line = this->ScreenToAnimOffset((uint32 *)video) + this->anim_buf;
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do {
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Colour *dst = (Colour *)video;
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uint16 *anim = anim_line;
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for (int i = width; i > 0; i--) {
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*dst = colour32;
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/* Set the colour in the anim-buffer too */
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*anim = colour | (DEFAULT_BRIGHTNESS << 8);
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dst++;
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anim++;
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}
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video = (uint32 *)video + _screen.pitch;
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anim_line += this->anim_buf_pitch;
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} while (--height);
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}
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void Blitter_32bppAnim::CopyFromBuffer(void *video, const void *src, int width, int height)
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{
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assert(!_screen_disable_anim);
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assert(video >= _screen.dst_ptr && video <= (uint32 *)_screen.dst_ptr + _screen.width + _screen.height * _screen.pitch);
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Colour *dst = (Colour *)video;
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const uint32 *usrc = (const uint32 *)src;
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uint16 *anim_line = this->ScreenToAnimOffset((uint32 *)video) + this->anim_buf;
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for (; height > 0; height--) {
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/* We need to keep those for palette animation. */
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Colour *dst_pal = dst;
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uint16 *anim_pal = anim_line;
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memcpy(static_cast<void *>(dst), usrc, width * sizeof(uint32));
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usrc += width;
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dst += _screen.pitch;
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/* Copy back the anim-buffer */
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memcpy(anim_line, usrc, width * sizeof(uint16));
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usrc = (const uint32 *)((const uint16 *)usrc + width);
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anim_line += this->anim_buf_pitch;
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/* Okay, it is *very* likely that the image we stored is using
|
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* the wrong palette animated colours. There are two things we
|
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* can do to fix this. The first is simply reviewing the whole
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* screen after we copied the buffer, i.e. run PaletteAnimate,
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* however that forces a full screen redraw which is expensive
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* for just the cursor. This just copies the implementation of
|
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* palette animation, much cheaper though slightly nastier. */
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for (int i = 0; i < width; i++) {
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uint colour = GB(*anim_pal, 0, 8);
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if (colour >= PALETTE_ANIM_START) {
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/* Update this pixel */
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*dst_pal = this->AdjustBrightness(LookupColourInPalette(colour), GB(*anim_pal, 8, 8));
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}
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dst_pal++;
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anim_pal++;
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}
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}
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}
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void Blitter_32bppAnim::CopyToBuffer(const void *video, void *dst, int width, int height)
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{
|
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assert(!_screen_disable_anim);
|
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assert(video >= _screen.dst_ptr && video <= (uint32 *)_screen.dst_ptr + _screen.width + _screen.height * _screen.pitch);
|
||||
uint32 *udst = (uint32 *)dst;
|
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const uint32 *src = (const uint32 *)video;
|
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|
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if (this->anim_buf == NULL) return;
|
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|
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const uint16 *anim_line = this->ScreenToAnimOffset((const uint32 *)video) + this->anim_buf;
|
||||
|
||||
for (; height > 0; height--) {
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memcpy(udst, src, width * sizeof(uint32));
|
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src += _screen.pitch;
|
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udst += width;
|
||||
/* Copy the anim-buffer */
|
||||
memcpy(udst, anim_line, width * sizeof(uint16));
|
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udst = (uint32 *)((uint16 *)udst + width);
|
||||
anim_line += this->anim_buf_pitch;
|
||||
}
|
||||
}
|
||||
|
||||
void Blitter_32bppAnim::ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y)
|
||||
{
|
||||
assert(!_screen_disable_anim);
|
||||
assert(video >= _screen.dst_ptr && video <= (uint32 *)_screen.dst_ptr + _screen.width + _screen.height * _screen.pitch);
|
||||
uint16 *dst, *src;
|
||||
|
||||
/* We need to scroll the anim-buffer too */
|
||||
if (scroll_y > 0) {
|
||||
dst = this->anim_buf + left + (top + height - 1) * this->anim_buf_pitch;
|
||||
src = dst - scroll_y * this->anim_buf_pitch;
|
||||
|
||||
/* Adjust left & width */
|
||||
if (scroll_x >= 0) {
|
||||
dst += scroll_x;
|
||||
} else {
|
||||
src -= scroll_x;
|
||||
}
|
||||
|
||||
uint tw = width + (scroll_x >= 0 ? -scroll_x : scroll_x);
|
||||
uint th = height - scroll_y;
|
||||
for (; th > 0; th--) {
|
||||
memcpy(dst, src, tw * sizeof(uint16));
|
||||
src -= this->anim_buf_pitch;
|
||||
dst -= this->anim_buf_pitch;
|
||||
}
|
||||
} else {
|
||||
/* Calculate pointers */
|
||||
dst = this->anim_buf + left + top * this->anim_buf_pitch;
|
||||
src = dst - scroll_y * this->anim_buf_pitch;
|
||||
|
||||
/* Adjust left & width */
|
||||
if (scroll_x >= 0) {
|
||||
dst += scroll_x;
|
||||
} else {
|
||||
src -= scroll_x;
|
||||
}
|
||||
|
||||
/* the y-displacement may be 0 therefore we have to use memmove,
|
||||
* because source and destination may overlap */
|
||||
uint tw = width + (scroll_x >= 0 ? -scroll_x : scroll_x);
|
||||
uint th = height + scroll_y;
|
||||
for (; th > 0; th--) {
|
||||
memmove(dst, src, tw * sizeof(uint16));
|
||||
src += this->anim_buf_pitch;
|
||||
dst += this->anim_buf_pitch;
|
||||
}
|
||||
}
|
||||
|
||||
Blitter_32bppBase::ScrollBuffer(video, left, top, width, height, scroll_x, scroll_y);
|
||||
}
|
||||
|
||||
int Blitter_32bppAnim::BufferSize(int width, int height)
|
||||
{
|
||||
return width * height * (sizeof(uint32) + sizeof(uint16));
|
||||
}
|
||||
|
||||
void Blitter_32bppAnim::PaletteAnimate(const Palette &palette)
|
||||
{
|
||||
assert(!_screen_disable_anim);
|
||||
|
||||
this->palette = palette;
|
||||
/* If first_dirty is 0, it is for 8bpp indication to send the new
|
||||
* palette. However, only the animation colours might possibly change.
|
||||
* Especially when going between toyland and non-toyland. */
|
||||
assert(this->palette.first_dirty == PALETTE_ANIM_START || this->palette.first_dirty == 0);
|
||||
|
||||
const uint16 *anim = this->anim_buf;
|
||||
Colour *dst = (Colour *)_screen.dst_ptr;
|
||||
|
||||
/* Let's walk the anim buffer and try to find the pixels */
|
||||
const int width = this->anim_buf_width;
|
||||
const int pitch_offset = _screen.pitch - width;
|
||||
const int anim_pitch_offset = this->anim_buf_pitch - width;
|
||||
for (int y = this->anim_buf_height; y != 0 ; y--) {
|
||||
for (int x = width; x != 0 ; x--) {
|
||||
uint16 value = *anim;
|
||||
uint8 colour = GB(value, 0, 8);
|
||||
if (colour >= PALETTE_ANIM_START) {
|
||||
/* Update this pixel */
|
||||
*dst = this->AdjustBrightness(LookupColourInPalette(colour), GB(value, 8, 8));
|
||||
}
|
||||
dst++;
|
||||
anim++;
|
||||
}
|
||||
dst += pitch_offset;
|
||||
anim += anim_pitch_offset;
|
||||
}
|
||||
|
||||
/* Make sure the backend redraws the whole screen */
|
||||
VideoDriver::GetInstance()->MakeDirty(0, 0, _screen.width, _screen.height);
|
||||
}
|
||||
|
||||
Blitter::PaletteAnimation Blitter_32bppAnim::UsePaletteAnimation()
|
||||
{
|
||||
return Blitter::PALETTE_ANIMATION_BLITTER;
|
||||
}
|
||||
|
||||
void Blitter_32bppAnim::PostResize()
|
||||
{
|
||||
if (_screen.width != this->anim_buf_width || _screen.height != this->anim_buf_height ||
|
||||
_screen.pitch != this->anim_buf_pitch) {
|
||||
/* The size of the screen changed; we can assume we can wipe all data from our buffer */
|
||||
free(this->anim_alloc);
|
||||
this->anim_buf_width = _screen.width;
|
||||
this->anim_buf_height = _screen.height;
|
||||
this->anim_buf_pitch = (_screen.width + 7) & ~7;
|
||||
this->anim_alloc = CallocT<uint16>(this->anim_buf_pitch * this->anim_buf_height + 8);
|
||||
|
||||
/* align buffer to next 16 byte boundary */
|
||||
this->anim_buf = reinterpret_cast<uint16 *>((reinterpret_cast<uintptr_t>(this->anim_alloc) + 0xF) & (~0xF));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user