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47 lines
1008 B
Markdown
47 lines
1008 B
Markdown
# D3D12Shader::SetUniforms
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## 函数签名
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```cpp
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void SetInt(const char* name, int value) override
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void SetFloat(const char* name, float value) override
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void SetVec3(const char* name, float x, float y, float z) override
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void SetVec4(const char* name, float x, float y, float z, float w) override
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void SetMat4(const char* name, const float* value) override
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```
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## 中文描述
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设置着色器 uniform 变量。当前实现为空（stub）。
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## 参数
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| 参数 | 类型 | 描述 |
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|------|------|------|
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| `name` | `const char*` | 变量名称 |
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| `value` | 各种类型 | 变量值 |
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| `x, y, z, w` | `float` | 向量分量 |
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| `value` | `const float*` | 矩阵数据指针 |
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## 返回值
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无
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## 复杂度
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O(1)
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## 示例
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```cpp
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shader->SetInt("useLighting", 1);
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shader->SetFloat("scale", 2.0f);
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shader->SetVec3("lightPos", 1.0f, 2.0f, 3.0f);
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shader->SetVec4("color", 1.0f, 0.0f, 0.0f, 1.0f);
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shader->SetMat4("transform", matrixData);
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```
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## 相关文档
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- [D3D12Shader](shader.md) - 类总览
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