feat(RHI): 实现 RHIPipelineState 抽象基类

engine/src/RHI/D3D12/D3D12PipelineState.cpp

@@ -85,5 +85,11 @@ D3D12_INPUT_ELEMENT_DESC D3D12PipelineState::CreateInputElement(
     return CreateInputElement(semanticName, semanticIndex, format, inputSlot, D3D12_APPEND_ALIGNED_ELEMENT);
 }
 
+void D3D12PipelineState::Bind() {
+}
+
+void D3D12PipelineState::Unbind() {
+}
+
 } // namespace RHI
 } // namespace XCEngine

engine/src/RHI/OpenGL/OpenGLPipelineState.cpp

@@ -268,5 +268,25 @@ void OpenGLPipelineState::DetachShader() {
     glUseProgram(0);
 }
 
+void OpenGLPipelineState::Shutdown() {
+    m_program = 0;
+    m_programAttached = false;
+}
+
+void OpenGLPipelineState::Bind() {
+    if (m_programAttached) {
+        glUseProgram(m_program);
+    }
+    Apply();
+}
+
+void OpenGLPipelineState::Unbind() {
+    glUseProgram(0);
+}
+
+void* OpenGLPipelineState::GetNativeHandle() {
+    return reinterpret_cast<void*>(static_cast<uintptr_t>(m_program));
+}
+
 } // namespace RHI
 } // namespace XCEngine