53 lines
1.1 KiB
Markdown
53 lines
1.1 KiB
Markdown
|
# RHISampler::Unbind
|
||
|
|
|
||
|
|
```cpp
|
||
|
|
virtual void Unbind(unsigned int unit) = 0;
|
||
|
|
```
|
||
|
|
|
||
|
|
将采样器从指定的纹理单元解绑。该方法将指定的纹理单元上的采样器状态清除，使其不再占用该采样槽位。
|
||
|
|
|
||
|
|
**参数：**
|
||
|
|
|
||
|
|
| 参数 | 类型 | 描述 |
|
||
|
|
|------|------|------|
|
||
|
|
| `unit` | `unsigned int` | 纹理单元索引，指定从哪个纹理采样槽位解绑 |
|
||
|
|
|
||
|
|
**返回：** 无
|
||
|
|
|
||
|
|
**线程安全：** ❌
|
||
|
|
|
||
|
|
**复杂度：** O(1)
|
||
|
|
|
||
|
|
**示例：**
|
||
|
|
|
||
|
|
```cpp
|
||
|
|
#include "XCEngine/RHI/RHISampler.h"
|
||
|
|
|
||
|
|
class MySampler : public XCEngine::RHI::RHISampler {
|
||
|
|
public:
|
||
|
|
void Shutdown() override { }
|
||
|
|
void Bind(unsigned int unit) override { m_boundUnit = unit; }
|
||
|
|
void Unbind(unsigned int unit) override {
|
||
|
|
if (m_boundUnit == unit) {
|
||
|
|
m_boundUnit = -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void* GetNativeHandle() override { return nullptr; }
|
||
|
|
unsigned int GetID() override { return 0; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
int m_boundUnit = -1;
|
||
|
|
};
|
||
|
|
|
||
|
|
void Example() {
|
||
|
|
MySampler sampler;
|
||
|
|
sampler.Bind(0);
|
||
|
|
sampler.Unbind(0);
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
## 相关文档
|
||
|
|
|
||
|
|
- [RHISampler 总览](sampler.md) - 返回类总览
|
||
|
|
- [RHISampler::Bind](bind.md) - 绑定采样器
|