mirror of
https://github.com/jmarshall23/CnC_Remastered_Collection.git
synced 2026-08-12 08:00:55 +02:00
Used additional Chronoshift code to remove legacy assembly for stamp/icon rendering.
This commit is contained in:
Justin Marshall
@@ -547,6 +547,7 @@ set(src_redalert
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./RedAlert/TEXTBTN.H
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./RedAlert/THEME.CPP
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./RedAlert/THEME.H
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./RedAlert/TILESET.CPP
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./RedAlert/TOGGLE.CPP
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./RedAlert/TOGGLE.H
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./RedAlert/TOOLTIP.CPP
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@@ -0,0 +1,288 @@
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/**
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* @file
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*
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* @author CCHyper
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* @author OmniBlade
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*
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* @brief Low level functions for loading and rendering C&C terrain tilesets.
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*
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* @copyright Chronoshift is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version
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* 2 of the License, or (at your option) any later version.
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* A full copy of the GNU General Public License can be found in
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* LICENSE
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*/
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#include "FUNCTION.H"
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#include "gbuffer.h"
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#include <cstring>
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using std::memcpy;
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class GraphicViewPortClass;
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#define TD_TILESET_CHECK 0x20
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/**
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* @brief union is to handle the parts of the header which vary between TD and RA format tiles.
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*/
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struct IconControlType
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{
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uint8_t* Get_Icon_Data()
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{
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if (td.icons == TD_TILESET_CHECK) {
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return reinterpret_cast<uint8_t*>(this) + td.icons;
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}
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else {
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return reinterpret_cast<uint8_t*>(this) + ra.icons;
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}
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}
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uint8_t* Get_Icon_Map()
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{
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if (td.icons == TD_TILESET_CHECK) {
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return reinterpret_cast<uint8_t*>(this) + td.map;
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}
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else {
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return reinterpret_cast<uint8_t*>(this) + ra.map;
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}
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}
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int16_t width; // always 24 (ICON_WIDTH)
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int16_t height; // always 24 (ICON_HEIGHT)
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int16_t count; // count of cells in set, not same as images
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int16_t allocated; // is treated like a bool, always 0 in the file?
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union
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{
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struct
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{
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int32_t size; // filesize
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int32_t icons; // always 0x00000020
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int32_t palettes; // seems to always be 0x00000000
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int32_t remaps; // unknown, bitfield?
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int32_t trans_flag; // array of images length, unknown
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int32_t map; // image index for each cell
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} td;
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struct
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{
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int16_t map_width; // tile width in cells
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int16_t map_height; // tile height in cells
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int32_t size; // filesize
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int32_t icons; // always 0x00000028
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int32_t palettes; // seems to always be 0x00000000
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int32_t remaps; // unknown, bitfield?
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int32_t trans_flag; // array of images length, unknown
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int32_t color_map; // terrain type index, ra only
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int32_t map; // image index for each cell
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} ra;
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};
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};
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static int IconEntry;
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static void* IconData;
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static IconControlType* LastIconset;
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static uint8_t* StampPtr;
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static uint8_t* TransFlagPtr;
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static uint8_t* MapPtr;
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static int IconWidth;
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static int IconHeight;
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static int IconSize;
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static int IconCount;
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void __cdecl Init_Stamps(IconControlType* iconset)
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{
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if (iconset && LastIconset != iconset) {
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IconCount = (iconset->count);
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IconWidth = (iconset->width);
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IconHeight = (iconset->height);
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LastIconset = iconset;
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IconSize = IconWidth * IconHeight;
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// TD and RA tileset headers are slightly different, so check a constant that only exists in one type.
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if ((iconset->td.icons) == TD_TILESET_CHECK) {
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MapPtr = reinterpret_cast<uint8_t*>(iconset) + (iconset->td.map);
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StampPtr = reinterpret_cast<uint8_t*>(iconset) + (iconset->td.icons);
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TransFlagPtr = reinterpret_cast<uint8_t*>(iconset) + (iconset->td.trans_flag);
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}
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else {
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MapPtr = reinterpret_cast<uint8_t*>(iconset) + (iconset->ra.map);
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StampPtr = reinterpret_cast<uint8_t*>(iconset) + (iconset->ra.icons);
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TransFlagPtr = reinterpret_cast<uint8_t*>(iconset) + (iconset->ra.trans_flag);
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}
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}
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}
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void __cdecl Buffer_Draw_Stamp2(GraphicViewPortClass& viewport, IconControlType* tileset, int icon, int x, int y, const void* remapper)
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{
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if (!tileset) {
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return;
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}
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if (LastIconset != tileset) {
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Init_Stamps(tileset);
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}
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int32_t icon_index = MapPtr != nullptr ? MapPtr[icon] : icon;
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if (icon_index < IconCount) {
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int32_t fullpitch = viewport.Get_Full_Pitch(); //(viewport.Get_Pitch() + viewport.Get_XAdd() + viewport.Get_Width());
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uint8_t* dst = x + y * fullpitch + (uint8_t*)(viewport.Get_Offset());
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int32_t blitpitch = fullpitch - IconWidth;
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uint8_t* src = &StampPtr[IconSize * icon_index];
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if (remapper) {
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const uint8_t* remap = static_cast<const uint8_t*>(remapper);
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for (int i = 0; i < IconHeight; ++i) {
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for (int j = 0; j < IconWidth; ++j) {
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uint8_t cur_byte = remap[*src++];
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if (cur_byte) {
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*dst = cur_byte;
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}
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++dst;
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}
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dst += blitpitch;
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}
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}
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else if (TransFlagPtr[icon_index]) {
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for (int i = 0; i < IconHeight; ++i) {
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for (int j = 0; j < IconWidth; ++j) {
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uint8_t cur_byte = *src++;
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if (cur_byte) {
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*dst = cur_byte;
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}
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++dst;
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}
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dst += blitpitch;
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}
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}
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else {
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for (int32_t i = 0; i < IconHeight; ++i) {
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memcpy(dst, src, IconWidth);
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dst += fullpitch;
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src += IconWidth;
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}
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}
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}
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}
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void __cdecl Buffer_Draw_Stamp_Clip2(GraphicViewPortClass& viewport, IconControlType* tileset, int icon, int x, int y, const void* remapper, int left, int top, int right, int bottom)
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{
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if (!tileset) {
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return;
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}
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if (LastIconset != tileset) {
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Init_Stamps(tileset);
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}
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int icon_index = MapPtr != nullptr ? MapPtr[icon] : icon;
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if (icon_index < IconCount) {
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int blit_height = IconHeight;
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int blit_width = IconWidth;
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uint8_t* src = &StampPtr[IconSize * icon_index];
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int width = left + right;
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int xstart = left + x;
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int height = top + bottom;
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int ystart = top + y;
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if (xstart < width && ystart < height && IconHeight + ystart > top && IconWidth + xstart > left) {
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if (xstart < left) {
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src += left - xstart;
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blit_width -= left - xstart;
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xstart = left;
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}
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int src_pitch = IconWidth - blit_width;
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if (blit_width + xstart > width) {
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src_pitch += blit_width - (width - xstart);
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blit_width = width - xstart;
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}
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if (top > ystart) {
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blit_height = IconHeight - (top - ystart);
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src += IconWidth * (top - ystart);
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ystart = top;
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}
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if (blit_height + ystart > height) {
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blit_height = height - ystart;
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}
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int full_pitch = viewport.Get_Full_Pitch(); //(viewport.Get_Pitch() + viewport.Get_XAdd() + viewport.Get_Width());
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uint8_t* dst = xstart + ystart * full_pitch + (uint8_t*)(viewport.Get_Offset());
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int dst_pitch = full_pitch - blit_width;
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if (remapper) {
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const uint8_t* remap = static_cast<const uint8_t*>(remapper);
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for (int i = 0; i < blit_height; ++i) {
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for (int j = 0; j < blit_width; ++j) {
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uint8_t cur_byte = remap[*src++];
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if (cur_byte) {
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*dst = cur_byte;
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}
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++dst;
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}
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dst += dst_pitch;
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}
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}
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else if (TransFlagPtr[icon_index]) {
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for (int i = 0; i < blit_height; ++i) {
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for (int j = 0; j < blit_width; ++j) {
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uint8_t cur_byte = *src++;
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if (cur_byte) {
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*dst = cur_byte;
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}
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++dst;
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}
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src += src_pitch;
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dst += dst_pitch;
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}
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}
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else {
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for (int i = 0; i < blit_height; ++i) {
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memcpy(dst, src, blit_width);
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dst += full_pitch;
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src += IconWidth;
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}
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}
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}
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}
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}
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extern "C" void __cdecl Buffer_Draw_Stamp_Clip(void const* this_object, void const* icondata, int icon, int x_pixel, int y_pixel, void const* remap, int min_x, int min_y, int max_x, int max_y) {
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Buffer_Draw_Stamp_Clip2(*((GraphicViewPortClass*)this_object), (IconControlType*)icondata, icon, x_pixel, y_pixel, remap, min_x, min_y, max_x, max_y);
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}
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extern "C" void __cdecl Buffer_Draw_Stamp(void const* thisptr, void const* icondata, int icon, int x_pixel, int y_pixel, void const* remap) {
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Buffer_Draw_Stamp2(*((GraphicViewPortClass*)thisptr), (IconControlType*)icondata, icon, x_pixel, y_pixel, remap);
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}
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uint8_t* Get_Icon_Set_Map(void* temp)
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{
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if (temp != nullptr) {
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if ((static_cast<IconControlType*>(temp)->td.icons) == TD_TILESET_CHECK) {
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return static_cast<uint8_t*>(temp) + (static_cast<IconControlType*>(temp)->td.icons);
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}
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else {
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return static_cast<uint8_t*>(temp) + (static_cast<IconControlType*>(temp)->ra.icons);
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}
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}
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return nullptr;
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}
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@@ -1689,523 +1689,6 @@ fini:
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}
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/*
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;***********************************************************
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;***********************************************************
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; DRAW_STAMP
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;
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; VOID cdecl Buffer_Draw_Stamp(VOID *icondata, WORD icon, WORD x_pixel, WORD y_pixel, VOID *remap);
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;
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; This routine renders the icon at the given coordinate.
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;
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; The remap table is a 256 byte simple pixel translation table to use when
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; drawing the icon. Transparency check is performed AFTER the remap so it is possible to
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; remap valid colors to be invisible (for special effect reasons).
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; This routine is fastest when no remap table is passed in.
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;*
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*/
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void __cdecl Buffer_Draw_Stamp(void const *this_object, void const *icondata, int icon, int x_pixel, int y_pixel, void const *remap)
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{
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unsigned int modulo = 0;
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unsigned int iwidth = 0;
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unsigned char doremap = 0;
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/*
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PROC Buffer_Draw_Stamp C near
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ARG this_object:DWORD ; this is a member function
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ARG icondata:DWORD ; Pointer to icondata.
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ARG icon:DWORD ; Icon number to draw.
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ARG x_pixel:DWORD ; X coordinate of icon.
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ARG y_pixel:DWORD ; Y coordinate of icon.
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ARG remap:DWORD ; Remap table.
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LOCAL modulo:DWORD ; Modulo to get to next row.
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LOCAL iwidth:DWORD ; Icon width (here for speedy access).
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LOCAL doremap:BYTE ; Should remapping occur?
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*/
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__asm {
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pushad
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cmp [icondata],0
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je proc_out
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; Initialize the stamp data if necessary.
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mov eax,[icondata]
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cmp [LastIconset],eax
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je short noreset
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push eax
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call Init_Stamps
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pop eax // Clean up stack. ST - 12/20/2018 10:42AM
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noreset:
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; Determine if the icon number requested is actually in the set.
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; Perform the logical icon to actual icon number remap if necessary.
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mov ebx,[icon]
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cmp [MapPtr],0
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je short notmap
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mov edi,[MapPtr]
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mov bl,[edi+ebx]
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notmap:
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cmp ebx,[IconCount]
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jae proc_out
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mov [icon],ebx ; Updated icon number.
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; If the remap table pointer passed in is NULL, then flag this condition
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; so that the faster (non-remapping) icon draw loop will be used.
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cmp [remap],0
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setne [doremap]
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; Get pointer to position to render icon. EDI = ptr to destination page.
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mov ebx,[this_object]
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mov edi,[ebx]GraphicViewPortClass.Offset
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mov eax,[ebx]GraphicViewPortClass.Width
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add eax,[ebx]GraphicViewPortClass.XAdd
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add eax,[ebx]GraphicViewPortClass.Pitch
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push eax ; save viewport full width for lower
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mul [y_pixel]
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add edi,eax
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add edi,[x_pixel]
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|
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; Determine row modulo for advancing to next line.
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pop eax ; retrieve viewport width
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sub eax,[IconWidth]
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mov [modulo],eax
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; Setup some working variables.
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mov ecx,[IconHeight] ; Row counter.
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mov eax,[IconWidth]
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mov [iwidth],eax ; Stack copy of byte width for easy BP access.
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|
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; Fetch pointer to start of icon's data. ESI = ptr to icon data.
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mov eax,[icon]
|
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mul [IconSize]
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mov esi,[StampPtr]
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add esi,eax
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|
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; Determine whether simple icon draw is sufficient or whether the
|
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; extra remapping icon draw is needed.
|
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cmp [BYTE PTR doremap],0
|
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je short istranscheck
|
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|
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;************************************************************
|
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; Complex icon draw -- extended remap.
|
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; EBX = Palette pointer (ready for XLAT instruction).
|
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; EDI = Pointer to icon destination in page.
|
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; ESI = Pointer to icon data.
|
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; ECX = Number of pixel rows.
|
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;;; mov edx,[remap]
|
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mov ebx,[remap]
|
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xor eax,eax
|
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xrowloop:
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push ecx
|
||||
mov ecx,[iwidth]
|
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|
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xcolumnloop:
|
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lodsb
|
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;;; mov ebx,edx
|
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;;; add ebx,eax
|
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;;; mov al,[ebx] ; New real color to draw.
|
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xlatb
|
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or al,al
|
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jz short xskip1 ; Transparency skip check.
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mov [edi],al
|
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xskip1:
|
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inc edi
|
||||
loop xcolumnloop
|
||||
|
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pop ecx
|
||||
add edi,[modulo]
|
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loop xrowloop
|
||||
jmp short proc_out
|
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|
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|
||||
;************************************************************
|
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; Check to see if transparent or generic draw is necessary.
|
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istranscheck:
|
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mov ebx,[IsTrans]
|
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add ebx,[icon]
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cmp [BYTE PTR ebx],0
|
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jne short rowloop
|
||||
|
||||
;************************************************************
|
||||
; Fast non-transparent icon draw routine.
|
||||
; ES:DI = Pointer to icon destination in page.
|
||||
; DS:SI = Pointer to icon data.
|
||||
; CX = Number of pixel rows.
|
||||
mov ebx,ecx
|
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shr ebx,2
|
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mov edx,[modulo]
|
||||
mov eax,[iwidth]
|
||||
shr eax,2
|
||||
loop1:
|
||||
mov ecx,eax
|
||||
rep movsd
|
||||
add edi,edx
|
||||
|
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mov ecx,eax
|
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rep movsd
|
||||
add edi,edx
|
||||
|
||||
mov ecx,eax
|
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rep movsd
|
||||
add edi,edx
|
||||
|
||||
mov ecx,eax
|
||||
rep movsd
|
||||
add edi,edx
|
||||
|
||||
dec ebx
|
||||
jnz loop1
|
||||
jmp short proc_out
|
||||
|
||||
;************************************************************
|
||||
; Transparent icon draw routine -- no extended remap.
|
||||
; ES:DI = Pointer to icon destination in page.
|
||||
; DS:SI = Pointer to icon data.
|
||||
; CX = Number of pixel rows.
|
||||
rowloop:
|
||||
push ecx
|
||||
mov ecx,[iwidth]
|
||||
|
||||
columnloop:
|
||||
lodsb
|
||||
or al,al
|
||||
jz short skip1 ; Transparency check.
|
||||
mov [edi],al
|
||||
skip1:
|
||||
inc edi
|
||||
loop columnloop
|
||||
|
||||
pop ecx
|
||||
add edi,[modulo]
|
||||
loop rowloop
|
||||
|
||||
; Cleanup and exit icon drawing routine.
|
||||
proc_out:
|
||||
popad
|
||||
//ret
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
;***********************************************************
|
||||
; DRAW_STAMP_CLIP
|
||||
;
|
||||
; VOID cdecl MCGA_Draw_Stamp_Clip(VOID *icondata, WORD icon, WORD x_pixel, WORD y_pixel, VOID *remap, LONG min_x, LONG min_y, LONG max_x, LONG max_y);
|
||||
;
|
||||
; This routine renders the icon at the given coordinate.
|
||||
;
|
||||
; The remap table is a 256 byte simple pixel translation table to use when
|
||||
; drawing the icon. Transparency check is performed AFTER the remap so it is possible to
|
||||
; remap valid colors to be invisible (for special effect reasons).
|
||||
; This routine is fastest when no remap table is passed in.
|
||||
;*
|
||||
*/
|
||||
void __cdecl Buffer_Draw_Stamp_Clip(void const *this_object, void const *icondata, int icon, int x_pixel, int y_pixel, void const *remap, int min_x, int min_y, int max_x, int max_y)
|
||||
{
|
||||
unsigned int modulo = 0;
|
||||
unsigned int iwidth = 0;
|
||||
unsigned int skip = 0;
|
||||
unsigned char doremap = 0;
|
||||
|
||||
|
||||
/*
|
||||
ARG this_object:DWORD ; this is a member function
|
||||
ARG icondata:DWORD ; Pointer to icondata.
|
||||
ARG icon:DWORD ; Icon number to draw.
|
||||
ARG x_pixel:DWORD ; X coordinate of icon.
|
||||
ARG y_pixel:DWORD ; Y coordinate of icon.
|
||||
ARG remap:DWORD ; Remap table.
|
||||
ARG min_x:DWORD ; Clipping rectangle boundary
|
||||
ARG min_y:DWORD ; Clipping rectangle boundary
|
||||
ARG max_x:DWORD ; Clipping rectangle boundary
|
||||
ARG max_y:DWORD ; Clipping rectangle boundary
|
||||
|
||||
LOCAL modulo:DWORD ; Modulo to get to next row.
|
||||
LOCAL iwidth:DWORD ; Icon width (here for speedy access).
|
||||
LOCAL skip:DWORD ; amount to skip per row of icon data
|
||||
LOCAL doremap:BYTE ; Should remapping occur?
|
||||
*/
|
||||
__asm {
|
||||
pushad
|
||||
cmp [icondata],0
|
||||
je proc_out
|
||||
|
||||
; Initialize the stamp data if necessary.
|
||||
mov eax,[icondata]
|
||||
cmp [LastIconset],eax
|
||||
je short noreset2
|
||||
push eax
|
||||
call Init_Stamps
|
||||
pop eax // Clean up stack. ST - 12/20/2018 10:42AM
|
||||
noreset2:
|
||||
|
||||
; Determine if the icon number requested is actually in the set.
|
||||
; Perform the logical icon to actual icon number remap if necessary.
|
||||
mov ebx,[icon]
|
||||
cmp [MapPtr],0
|
||||
je short notmap2
|
||||
mov edi,[MapPtr]
|
||||
mov bl,[edi+ebx]
|
||||
notmap2:
|
||||
cmp ebx,[IconCount]
|
||||
jae proc_out
|
||||
mov [icon],ebx ; Updated icon number.
|
||||
|
||||
; Setup some working variables.
|
||||
mov ecx,[IconHeight] ; Row counter.
|
||||
mov eax,[IconWidth]
|
||||
mov [iwidth],eax ; Stack copy of byte width for easy BP access.
|
||||
|
||||
; Fetch pointer to start of icon's data. ESI = ptr to icon data.
|
||||
mov eax,[icon]
|
||||
mul [IconSize]
|
||||
mov esi,[StampPtr]
|
||||
add esi,eax
|
||||
|
||||
; Update the clipping window coordinates to be valid maxes instead of width & height
|
||||
; , and change the coordinates to be window-relative
|
||||
mov ebx,[min_x]
|
||||
add [max_x],ebx
|
||||
add [x_pixel],ebx ; make it window-relative
|
||||
mov ebx,[min_y]
|
||||
add [max_y],ebx
|
||||
add [y_pixel],ebx ; make it window-relative
|
||||
|
||||
; See if the icon is within the clipping window
|
||||
; First, verify that the icon position is less than the maximums
|
||||
mov ebx,[x_pixel]
|
||||
cmp ebx,[max_x]
|
||||
jge proc_out
|
||||
mov ebx,[y_pixel]
|
||||
cmp ebx,[max_y]
|
||||
jge proc_out
|
||||
; Now verify that the icon position is >= the minimums
|
||||
add ebx,[IconHeight]
|
||||
cmp ebx,[min_y]
|
||||
jle proc_out
|
||||
mov ebx,[x_pixel]
|
||||
add ebx,[IconWidth]
|
||||
cmp ebx,[min_x]
|
||||
jle proc_out
|
||||
|
||||
; Now, clip the x, y, width, and height variables to be within the
|
||||
; clipping rectangle
|
||||
mov ebx,[x_pixel]
|
||||
cmp ebx,[min_x]
|
||||
jge nominxclip
|
||||
; x < minx, so must clip
|
||||
mov ebx,[min_x]
|
||||
sub ebx,[x_pixel]
|
||||
add esi,ebx ; source ptr += (minx - x)
|
||||
sub [iwidth],ebx ; icon width -= (minx - x)
|
||||
mov ebx,[min_x]
|
||||
mov [x_pixel],ebx
|
||||
|
||||
nominxclip:
|
||||
mov eax,[IconWidth]
|
||||
sub eax,[iwidth]
|
||||
mov [skip],eax
|
||||
|
||||
; Check for x+width > max_x
|
||||
mov eax,[x_pixel]
|
||||
add eax,[iwidth]
|
||||
cmp eax,[max_x]
|
||||
jle nomaxxclip
|
||||
; x+width is greater than max_x, so must clip width down
|
||||
mov eax,[iwidth] ; eax = old width
|
||||
mov ebx,[max_x]
|
||||
sub ebx,[x_pixel]
|
||||
mov [iwidth],ebx ; iwidth = max_x - xpixel
|
||||
sub eax,ebx
|
||||
add [skip],eax ; skip += (old width - iwidth)
|
||||
nomaxxclip:
|
||||
; check if y < miny
|
||||
mov eax,[min_y]
|
||||
cmp eax,[y_pixel] ; if(miny <= y_pixel), no clip needed
|
||||
jle nominyclip
|
||||
sub eax,[y_pixel]
|
||||
sub ecx,eax ; height -= (miny - y)
|
||||
mul [IconWidth]
|
||||
add esi,eax ; icon source ptr += (width * (miny - y))
|
||||
mov eax,[min_y]
|
||||
mov [y_pixel],eax ; y = miny
|
||||
nominyclip:
|
||||
; check if (y+height) > max y
|
||||
mov eax,[y_pixel]
|
||||
add eax,ecx
|
||||
cmp eax,[max_y] ; if (y + height <= max_y), no clip needed
|
||||
jle nomaxyclip
|
||||
mov ecx,[max_y] ; height = max_y - y_pixel
|
||||
sub ecx,[y_pixel]
|
||||
nomaxyclip:
|
||||
|
||||
; If the remap table pointer passed in is NULL, then flag this condition
|
||||
; so that the faster (non-remapping) icon draw loop will be used.
|
||||
cmp [remap],0
|
||||
setne [doremap]
|
||||
|
||||
; Get pointer to position to render icon. EDI = ptr to destination page.
|
||||
mov ebx,[this_object]
|
||||
mov edi,[ebx]GraphicViewPortClass.Offset
|
||||
mov eax,[ebx]GraphicViewPortClass.Width
|
||||
add eax,[ebx]GraphicViewPortClass.XAdd
|
||||
add eax,[ebx]GraphicViewPortClass.Pitch
|
||||
push eax ; save viewport full width for lower
|
||||
mul [y_pixel]
|
||||
add edi,eax
|
||||
add edi,[x_pixel]
|
||||
|
||||
; Determine row modulo for advancing to next line.
|
||||
pop eax ; retrieve viewport width
|
||||
sub eax,[iwidth]
|
||||
mov [modulo],eax
|
||||
|
||||
; Determine whether simple icon draw is sufficient or whether the
|
||||
; extra remapping icon draw is needed.
|
||||
cmp [BYTE PTR doremap],0
|
||||
je short istranscheck2
|
||||
|
||||
;************************************************************
|
||||
; Complex icon draw -- extended remap.
|
||||
; EBX = Palette pointer (ready for XLAT instruction).
|
||||
; EDI = Pointer to icon destination in page.
|
||||
; ESI = Pointer to icon data.
|
||||
; ECX = Number of pixel rows.
|
||||
mov ebx,[remap]
|
||||
xor eax,eax
|
||||
xrowloopc:
|
||||
push ecx
|
||||
mov ecx,[iwidth]
|
||||
|
||||
xcolumnloopc:
|
||||
lodsb
|
||||
xlatb
|
||||
or al,al
|
||||
jz short xskip1c ; Transparency skip check.
|
||||
mov [edi],al
|
||||
xskip1c:
|
||||
inc edi
|
||||
loop xcolumnloopc
|
||||
|
||||
pop ecx
|
||||
add edi,[modulo]
|
||||
add esi,[skip]
|
||||
loop xrowloopc
|
||||
jmp short proc_out
|
||||
|
||||
|
||||
;************************************************************
|
||||
; Check to see if transparent or generic draw is necessary.
|
||||
istranscheck2:
|
||||
mov ebx,[IsTrans]
|
||||
add ebx,[icon]
|
||||
cmp [BYTE PTR ebx],0
|
||||
jne short rowloopc
|
||||
|
||||
;************************************************************
|
||||
; Fast non-transparent icon draw routine.
|
||||
; ES:DI = Pointer to icon destination in page.
|
||||
; DS:SI = Pointer to icon data.
|
||||
; CX = Number of pixel rows.
|
||||
mov ebx,ecx
|
||||
mov edx,[modulo]
|
||||
mov eax,[iwidth]
|
||||
|
||||
;
|
||||
; Optimise copy by dword aligning the destination
|
||||
;
|
||||
loop1c:
|
||||
push eax
|
||||
//rept 3 // No rept in inline asm. ST - 12/20/2018 10:43AM
|
||||
test edi,3
|
||||
jz aligned
|
||||
movsb
|
||||
dec eax
|
||||
jz finishedit
|
||||
|
||||
test edi,3
|
||||
jz aligned
|
||||
movsb
|
||||
dec eax
|
||||
jz finishedit
|
||||
|
||||
test edi,3
|
||||
jz aligned
|
||||
movsb
|
||||
dec eax
|
||||
jz finishedit
|
||||
|
||||
//endm
|
||||
aligned:
|
||||
mov ecx,eax
|
||||
shr ecx,2
|
||||
rep movsd
|
||||
mov ecx,eax
|
||||
and ecx,3
|
||||
rep movsb
|
||||
|
||||
finishedit:
|
||||
add edi,edx
|
||||
add esi,[skip]
|
||||
pop eax
|
||||
|
||||
dec ebx
|
||||
jnz loop1c
|
||||
jmp short proc_out
|
||||
|
||||
;************************************************************
|
||||
; Transparent icon draw routine -- no extended remap.
|
||||
; ES:DI = Pointer to icon destination in page.
|
||||
; DS:SI = Pointer to icon data.
|
||||
; CX = Number of pixel rows.
|
||||
rowloopc:
|
||||
push ecx
|
||||
mov ecx,[iwidth]
|
||||
|
||||
columnloopc:
|
||||
lodsb
|
||||
or al,al
|
||||
jz short skip1c ; Transparency check.
|
||||
mov [edi],al
|
||||
skip1c:
|
||||
inc edi
|
||||
loop columnloopc
|
||||
|
||||
pop ecx
|
||||
add edi,[modulo]
|
||||
add esi,[skip]
|
||||
loop rowloopc
|
||||
|
||||
; Cleanup and exit icon drawing routine.
|
||||
proc_out:
|
||||
popad
|
||||
//ret
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
VOID __cdecl Buffer_Draw_Line(void *thisptr, int sx, int sy, int dx, int dy, unsigned char color);
|
||||
VOID __cdecl Buffer_Fill_Rect(void *thisptr, int sx, int sy, int dx, int dy, unsigned char color);
|
||||
VOID __cdecl Buffer_Remap(void * thisptr, int sx, int sy, int width, int height, void *remap);
|
||||
|
||||
Reference in New Issue
Block a user