MiMoEngine ASM: x86-64 MASM汇编+C混合架构游戏引擎
核心热路径(数学/内存/字符串/性能分析)用MASM汇编(SSE/AVX2) 外围系统(窗口/渲染/ECS/音频/UI/脚本)用C语言 含自研编辑器、VisualScript积木编程、中文渲染(glyph_atlas)
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#include "ui.h"
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#include <stdlib.h>
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#include <string.h>
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static const char* ui_vs = R"(
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struct VS_INPUT { float2 Pos : POSITION; float2 UV : TEXCOORD0; uint Color : COLOR0; };
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struct VS_OUTPUT { float4 Pos : SV_POSITION; float2 UV : TEXCOORD0; float4 Color : COLOR0; };
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VS_OUTPUT main(VS_INPUT input) {
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VS_OUTPUT output;
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output.Pos = float4(input.Pos.x, input.Pos.y, 0, 1);
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output.UV = input.UV;
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output.Color = float4((input.Color & 0xFF) / 255.0, ((input.Color >> 8) & 0xFF) / 255.0,
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((input.Color >> 16) & 0xFF) / 255.0, ((input.Color >> 24) & 0xFF) / 255.0);
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return output;
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}
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)";
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static const char* ui_ps = R"(
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struct PS_INPUT { float4 Pos : SV_POSITION; float2 UV : TEXCOORD0; float4 Color : COLOR0; };
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float4 main(PS_INPUT input) : SV_TARGET { return input.Color; }
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)";
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UI* ui_create(ID3D11Device* device) {
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UI* ui = (UI*)calloc(1, sizeof(UI));
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ui->font_size = 14.0f;
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ui->text_color = 0xFFFFFFFF;
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ui->bg_color = 0xFF333333;
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ui->border_color = 0xFF666666;
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ui->padding = 4.0f;
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D3D11_BUFFER_DESC vbd = {0};
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vbd.ByteWidth = sizeof(UIVertex) * UI_MAX_VERTICES;
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vbd.Usage = D3D11_USAGE_DYNAMIC;
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vbd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
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vbd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
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ID3D11Device_CreateBuffer(device, &vbd, NULL, &ui->vertex_buffer);
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D3D11_BUFFER_DESC ibd = {0};
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ibd.ByteWidth = sizeof(uint32_t) * UI_MAX_INDICES;
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ibd.Usage = D3D11_USAGE_DYNAMIC;
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ibd.BindFlags = D3D11_BIND_INDEX_BUFFER;
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ibd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
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ID3D11Device_CreateBuffer(device, &ibd, NULL, &ui->index_buffer);
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// 编译着色器
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ID3DBlob* vs_blob = NULL, *ps_blob = NULL, *err = NULL;
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D3DCompile(ui_vs, strlen(ui_vs), NULL, NULL, NULL, "main", "vs_5_0", 0, 0, &vs_blob, &err);
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D3DCompile(ui_ps, strlen(ui_ps), NULL, NULL, NULL, "main", "ps_5_0", 0, 0, &ps_blob, &err);
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if (vs_blob && ps_blob) {
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ID3D11Device_CreateVertexShader(device, ID3D10Blob_GetBufferPointer(vs_blob),
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ID3D10Blob_GetBufferSize(vs_blob), NULL, &ui->vertex_shader);
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ID3D11Device_CreatePixelShader(device, ID3D10Blob_GetBufferPointer(ps_blob),
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ID3D10Blob_GetBufferSize(ps_blob), NULL, &ui->pixel_shader);
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D3D11_INPUT_ELEMENT_DESC layout[] = {
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{"POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0},
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{"TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0},
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{"COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, 16, D3D11_INPUT_PER_VERTEX_DATA, 0},
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};
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ID3D11Device_CreateInputLayout(device, layout, 3,
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ID3D10Blob_GetBufferPointer(vs_blob), ID3D10Blob_GetBufferSize(vs_blob), &ui->input_layout);
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ID3D10Blob_Release(vs_blob);
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ID3D10Blob_Release(ps_blob);
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}
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D3D11_BLEND_DESC bd = {0};
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bd.RenderTarget[0].BlendEnable = TRUE;
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bd.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC_ALPHA;
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bd.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
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bd.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
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bd.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
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bd.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
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bd.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
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ID3D11Device_CreateBlendState(device, &bd, &ui->blend_state);
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D3D11_RASTERIZER_DESC rd = {0};
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rd.FillMode = D3D11_FILL_SOLID;
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rd.CullMode = D3D11_CULL_NONE;
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rd.ScissorEnable = TRUE;
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ID3D11Device_CreateRasterizerState(device, &rd, &ui->rasterizer);
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return ui;
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}
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void ui_destroy(UI* ui) {
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if (!ui) return;
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if (ui->rasterizer) ID3D11RasterizerState_Release(ui->rasterizer);
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if (ui->blend_state) ID3D11BlendState_Release(ui->blend_state);
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if (ui->input_layout) ID3D11InputLayout_Release(ui->input_layout);
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if (ui->pixel_shader) ID3D11PixelShader_Release(ui->pixel_shader);
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if (ui->vertex_shader) ID3D11VertexShader_Release(ui->vertex_shader);
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if (ui->index_buffer) ID3D11Buffer_Release(ui->index_buffer);
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if (ui->vertex_buffer) ID3D11Buffer_Release(ui->vertex_buffer);
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free(ui);
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}
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void ui_begin(UI* ui, float mx, float my, int md, int mp, int mr) {
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ui->mouse_x = mx;
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ui->mouse_y = my;
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ui->mouse_down = md;
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ui->mouse_pressed = mp;
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ui->mouse_released = mr;
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ui->vertex_count = 0;
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ui->index_count = 0;
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}
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void ui_end(UI* ui) {
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(void)ui;
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}
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void ui_draw_rect(UI* ui, float x, float y, float w, float h, uint32_t color) {
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uint32_t base = ui->vertex_count;
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ui->vertices[ui->vertex_count++] = (UIVertex){x, y, 0, 0, color};
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ui->vertices[ui->vertex_count++] = (UIVertex){x + w, y, 1, 0, color};
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ui->vertices[ui->vertex_count++] = (UIVertex){x + w, y + h, 1, 1, color};
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ui->vertices[ui->vertex_count++] = (UIVertex){x, y + h, 0, 1, color};
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ui->indices[ui->index_count++] = base;
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ui->indices[ui->index_count++] = base + 1;
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ui->indices[ui->index_count++] = base + 2;
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ui->indices[ui->index_count++] = base;
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ui->indices[ui->index_count++] = base + 2;
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ui->indices[ui->index_count++] = base + 3;
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}
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void ui_draw_rect_border(UI* ui, float x, float y, float w, float h,
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uint32_t fill, uint32_t border, float thickness) {
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ui_draw_rect(ui, x, y, w, h, fill);
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ui_draw_rect(ui, x, y, w, thickness, border);
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ui_draw_rect(ui, x, y + h - thickness, w, thickness, border);
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ui_draw_rect(ui, x, y, thickness, h, border);
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ui_draw_rect(ui, x + w - thickness, y, thickness, h, border);
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}
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int ui_button(UI* ui, float x, float y, float w, float h, const char* text) {
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(void)text;
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int hover = ui->mouse_x >= x && ui->mouse_x <= x + w &&
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ui->mouse_y >= y && ui->mouse_y <= y + h;
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uint32_t color = hover ? 0xFF555555 : 0xFF444444;
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if (hover && ui->mouse_pressed) color = 0xFF666666;
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ui_draw_rect_border(ui, x, y, w, h, color, 0xFF888888, 1);
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return hover && ui->mouse_pressed;
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}
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float ui_slider(UI* ui, float x, float y, float w, float h, float value, float min_val, float max_val) {
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ui_draw_rect_border(ui, x, y, w, h, 0xFF333333, 0xFF666666, 1);
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int hover = ui->mouse_x >= x && ui->mouse_x <= x + w &&
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ui->mouse_y >= y && ui->mouse_y <= y + h;
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if (hover && ui->mouse_down) {
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float t = (ui->mouse_x - x) / w;
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value = min_val + t * (max_val - min_val);
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if (value < min_val) value = min_val;
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if (value > max_val) value = max_val;
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}
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float knob_x = x + ((value - min_val) / (max_val - min_val)) * (w - h);
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ui_draw_rect(ui, knob_x, y, h, h, 0xFF0078D4);
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return value;
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}
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int ui_checkbox(UI* ui, float x, float y, const char* text, int checked) {
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(void)text;
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float s = 16.0f;
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ui_draw_rect_border(ui, x, y, s, s, checked ? 0xFF0078D4 : 0xFF333333, 0xFF666666, 1);
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if (ui->mouse_x >= x && ui->mouse_x <= x + s &&
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ui->mouse_y >= y && ui->mouse_y <= y + s && ui->mouse_pressed) {
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return !checked;
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}
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return checked;
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}
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void ui_label(UI* ui, float x, float y, const char* text) {
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(void)text;
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ui_draw_rect(ui, x, y, (float)(strlen(text) * 8), ui->font_size, 0x00000000);
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}
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void ui_render(UI* ui, ID3D11DeviceContext* ctx) {
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if (ui->vertex_count == 0) return;
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D3D11_MAPPED_SUBRESOURCE mapped;
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if (SUCCEEDED(ID3D11DeviceContext_Map(ctx, (ID3D11Resource*)ui->vertex_buffer, 0,
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D3D11_MAP_WRITE_DISCARD, 0, &mapped))) {
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memcpy(mapped.pData, ui->vertices, sizeof(UIVertex) * ui->vertex_count);
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ID3D11DeviceContext_Unmap(ctx, (ID3D11Resource*)ui->vertex_buffer, 0);
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}
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if (SUCCEEDED(ID3D11DeviceContext_Map(ctx, (ID3D11Resource*)ui->index_buffer, 0,
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D3D11_MAP_WRITE_DISCARD, 0, &mapped))) {
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memcpy(mapped.pData, ui->indices, sizeof(uint32_t) * ui->index_count);
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ID3D11DeviceContext_Unmap(ctx, (ID3D11Resource*)ui->index_buffer, 0);
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}
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UINT stride = sizeof(UIVertex);
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UINT offset = 0;
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ID3D11DeviceContext_IASetVertexBuffers(ctx, 0, 1, &ui->vertex_buffer, &stride, &offset);
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ID3D11DeviceContext_IASetIndexBuffer(ctx, ui->index_buffer, DXGI_FORMAT_R32_UINT, 0);
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ID3D11DeviceContext_IASetPrimitiveTopology(ctx, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
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ID3D11DeviceContext_IASetInputLayout(ctx, ui->input_layout);
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ID3D11DeviceContext_VSSetShader(ctx, ui->vertex_shader, NULL, 0);
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ID3D11DeviceContext_PSSetShader(ctx, ui->pixel_shader, NULL, 0);
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float blend[4] = {1, 1, 1, 1};
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ID3D11DeviceContext_OMSetBlendState(ctx, ui->blend_state, blend, 0xFFFFFFFF);
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ID3D11DeviceContext_RSSetState(ctx, ui->rasterizer);
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ID3D11DeviceContext_DrawIndexed(ctx, ui->index_count, 0, 0);
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ID3D11DeviceContext_OMSetBlendState(ctx, NULL, blend, 0xFFFFFFFF);
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ID3D11DeviceContext_RSSetState(ctx, NULL);
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}
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@@ -0,0 +1,69 @@
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#pragma once
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// ============================================================================
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// ui.h - 立即模式UI
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// ============================================================================
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#include <d3d11.h>
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#include <stdint.h>
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#define UI_MAX_VERTICES 16384
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#define UI_MAX_INDICES 32768
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#define UI_MAX_WIDGETS 256
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typedef struct {
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float x, y;
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float u, v;
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uint32_t color;
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} UIVertex;
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typedef struct {
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float x, y, w, h;
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uint32_t color;
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int visible;
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} UIRect;
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typedef struct {
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ID3D11Buffer* vertex_buffer;
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ID3D11Buffer* index_buffer;
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ID3D11VertexShader* vertex_shader;
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ID3D11PixelShader* pixel_shader;
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ID3D11InputLayout* input_layout;
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ID3D11BlendState* blend_state;
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ID3D11RasterizerState* rasterizer;
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UIVertex vertices[UI_MAX_VERTICES];
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uint32_t indices[UI_MAX_INDICES];
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uint32_t vertex_count;
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uint32_t index_count;
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float mouse_x, mouse_y;
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int mouse_down;
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int mouse_pressed;
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int mouse_released;
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float font_size;
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uint32_t text_color;
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uint32_t bg_color;
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uint32_t border_color;
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float padding;
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} UI;
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// 创建/销毁
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UI* ui_create(ID3D11Device* device);
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void ui_destroy(UI* ui);
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// 帧操作
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void ui_begin(UI* ui, float mouse_x, float mouse_y, int mouse_down, int mouse_pressed, int mouse_released);
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void ui_end(UI* ui);
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void ui_render(UI* ui, ID3D11DeviceContext* ctx);
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// 基础绘制
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void ui_draw_rect(UI* ui, float x, float y, float w, float h, uint32_t color);
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void ui_draw_rect_border(UI* ui, float x, float y, float w, float h, uint32_t fill, uint32_t border, float thickness);
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// 控件
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int ui_button(UI* ui, float x, float y, float w, float h, const char* text);
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float ui_slider(UI* ui, float x, float y, float w, float h, float value, float min_val, float max_val);
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int ui_checkbox(UI* ui, float x, float y, const char* text, int checked);
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void ui_label(UI* ui, float x, float y, const char* text);
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