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MAME:内联Drawgfx.common_drawgfx_m92

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sin365 2025-11-12 18:53:55 +08:00
parent 4649149103
commit 48c7fe00eb
1 changed files with 109 additions and 6 deletions
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115
AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/mame/m92/Video.cs
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@ -1,4 +1,5 @@
using System;
using Mono.Cecil.Cil;
using System;
namespace MAME.Core
{
@ -350,11 +351,113 @@ namespace MAME.Core
}
else
{
// 直接调用绘制函数，避免中间计算[3](@ref)
Drawgfx.common_drawgfx_m92(gfx21rom, sprite + s_ptr, colour, fx, fy,
current_x, y - i * 16, cliprect, draw_flags);
Drawgfx.common_drawgfx_m92(gfx21rom, sprite + s_ptr, colour, fx, fy,
current_x - SCREEN_WIDTH, y - i * 16, cliprect, draw_flags);
//// 直接调用绘制函数，避免中间计算[3](@ref)
//Drawgfx.common_drawgfx_m92(gfx21rom, sprite + s_ptr, colour, fx, fy,
// current_x, y - i * 16, cliprect, draw_flags);
//Drawgfx.common_drawgfx_m92(gfx21rom, sprite + s_ptr, colour, fx, fy,
// current_x - SCREEN_WIDTH, y - i * 16, cliprect, draw_flags);
//手动内联
//--start
//参数common_drawgfx_m92(byte* bb1, int code, int color, int flipx, int flipy, int sx, int sy, RECT clip, uint primask)
// 使用常量折叠和预计算[5](@ref)
int code = sprite + s_ptr;
int color = colour;
int colorbase = color << 4; // 用移位代替乘法 0x10 * color
int flipx = fx;
int flipy = fy;
RECT clip = cliprect;
uint primask = draw_flags;
const int TEMP1 = 0x10 - 1; // 15
const int TEMP3 = 0x100 - 1; // 255
const int TEMP4 = 0x200 - 1; // 511
//第1次调用
{
int sx_1st = current_x;
int sy_1st = y - i * 16;
int ox = sx_1st;
int oy = sy_1st;
int ex = sx_1st + TEMP1;
// 边界检查优化：减少分支预测错误[5](@ref)
sx_1st = sx_1st < 0 ? 0 : sx_1st;
sx_1st = sx_1st < clip.min_x ? clip.min_x : sx_1st;
ex = ex >= 0x200 ? TEMP4 : ex;
ex = ex > clip.max_x ? clip.max_x : ex;
if (sx_1st > ex)
{
}
else
{
int ey = sy_1st + TEMP1;
sy_1st = sy_1st < 0 ? 0 : sy_1st;
sy_1st = sy_1st < clip.min_y ? clip.min_y : sy_1st;
ey = ey >= 0x100 ? TEMP3 : ey;
ey = ey > clip.max_y ? clip.max_y : ey;
if (sy_1st > ey)
{
}
else
{
// 使用局部变量避免重复计算[2,4](@ref)
int ls = sx_1st - ox;
int ts = sy_1st - oy;
int dw = ex - sx_1st + 1;
int dh = ey - sy_1st + 1;
// 内联关键函数调用
Drawgfx.blockmove_8toN_transpen_pri16_m92(gfx21rom, code, 0x10, 0x10, 0x10, ls, ts, flipx, flipy, dw, dh, colorbase, sy_1st, sx_1st, primask);
}
}
}
//第2次调用
{
int sx_2nd = current_x - SCREEN_WIDTH;
int sy_2nd = y - i * 16;
int ox = sx_2nd;
int oy = sy_2nd;
int ex = sx_2nd + TEMP1;
// 边界检查优化：减少分支预测错误[5](@ref)
sx_2nd = sx_2nd < 0 ? 0 : sx_2nd;
sx_2nd = sx_2nd < clip.min_x ? clip.min_x : sx_2nd;
ex = ex >= 0x200 ? TEMP4 : ex;
ex = ex > clip.max_x ? clip.max_x : ex;
if (sx_2nd > ex) { }
else
{
int ey = sy_2nd + TEMP1;
sy_2nd = sy_2nd < 0 ? 0 : sy_2nd;
sy_2nd = sy_2nd < clip.min_y ? clip.min_y : sy_2nd;
ey = ey >= 0x100 ? TEMP3 : ey;
ey = ey > clip.max_y ? clip.max_y : ey;
if (sy_2nd > ey) { }
else
{
// 使用局部变量避免重复计算[2,4](@ref)
int ls = sx_2nd - ox;
int ts = sy_2nd - oy;
int dw = ex - sx_2nd + 1;
int dh = ey - sy_2nd + 1;
// 内联关键函数调用
Drawgfx.blockmove_8toN_transpen_pri16_m92(gfx21rom, code, 0x10, 0x10, 0x10, ls, ts, flipx, flipy, dw, dh, colorbase, sy_2nd, sx_2nd, primask);
}
}
}
//--end
}
// 优化指针更新