refactor(RHI): 完成 Shader uniform 设置迁移到 CommandList

- 删除 RHIShader 的 OpenGL 风格 SetMat4/SetVec3/SetInt 等方法
- 添加 UniformInfo 结构体和 GetUniformInfos/GetUniformInfo 接口
- D3D12Shader 和 OpenGLShader 实现 CacheUniformInfos
- RHICommandList 添加 SetUniform*/SetGlobal* 统一接口
- D3D12 实现 D3D12PipelineLayout 管理 root signature 映射
- 修复 D3D12CommandList::SetPipelineStateInternal 在 Reset 后未重新应用 root signature 的问题
- 更新 OpenGL 集成测试使用新的 SetUniform* API
- 所有单元测试和集成测试通过 (8/8 integration tests)

tests/OpenGL/main.cpp

@@ -1,5 +1,4 @@
 #include <glad/glad.h>
-#include <GLFW/glfw3.h>
 #include <iostream>
 #include <string>
 #include <fstream>
@@ -20,6 +19,7 @@
 #include "XCEngine/RHI/OpenGL/OpenGLShader.h"
 #include "XCEngine/RHI/OpenGL/OpenGLDevice.h"
 #include "XCEngine/RHI/OpenGL/OpenGLPipelineState.h"
+#include "XCEngine/RHI/OpenGL/OpenGLCommandList.h"
 
 using namespace XCEngine::Debug;
 using namespace XCEngine::RHI;
@@ -264,13 +264,9 @@ Model* model = nullptr;
 OpenGLShader* shader = nullptr;
 OpenGLDevice* device = nullptr;
 OpenGLPipelineState* pipeline = nullptr;
+OpenGLCommandList* cmdList = nullptr;
 int frameCount = 0;
 
-void framebuffer_size_callback(GLFWwindow* window, int width, int height)
-{
-	glViewport(0, 0, width, height);
-}
-
 void Initialize()
 {
 	char exePath[MAX_PATH];
@@ -293,6 +289,8 @@ void Initialize()
 	shader = new OpenGLShader();
 	shader->CompileFromFile("Shaders/vertexshader.glsl", "Shaders/fragmentshader.glsl");
 
+	cmdList = new OpenGLCommandList();
+
 	Log("Initialization complete");
 }
 
@@ -336,15 +334,16 @@ void Render()
 	glm::mat4 modelMat = glm::mat4(1.0f);
 	glm::mat4 view = glm::lookAt(glm::vec3(0, 0, 3), glm::vec3(0, 0, 0), glm::vec3(0, 1, 0));
 
-	shader->SetMat4("view", &view[0][0]);
-	shader->SetMat4("model", &modelMat[0][0]);
-	shader->SetMat4("projection", &projection[0][0]);
-	shader->SetVec3("viewPos", 0.0f, 0.0f, 3.0f);
-	shader->SetFloat("material.shininess", 32.0f);
-	shader->SetVec3("dirLight.direction", 0.0f, -1.0f, 0.0f);
-	shader->SetVec3("dirLight.ambient", 0.3f, 0.3f, 0.3f);
-	shader->SetVec3("dirLight.diffuse", 0.8f, 0.8f, 0.8f);
-	shader->SetVec3("dirLight.specular", 0.5f, 0.5f, 0.5f);
+	cmdList->SetShader(shader);
+	cmdList->SetUniformMat4("view", &view[0][0]);
+	cmdList->SetUniformMat4("model", &modelMat[0][0]);
+	cmdList->SetUniformMat4("projection", &projection[0][0]);
+	cmdList->SetUniformVec3("viewPos", 0.0f, 0.0f, 3.0f);
+	cmdList->SetUniformFloat("material.shininess", 32.0f);
+	cmdList->SetUniformVec3("dirLight.direction", 0.0f, -1.0f, 0.0f);
+	cmdList->SetUniformVec3("dirLight.ambient", 0.3f, 0.3f, 0.3f);
+	cmdList->SetUniformVec3("dirLight.diffuse", 0.8f, 0.8f, 0.8f);
+	cmdList->SetUniformVec3("dirLight.specular", 0.5f, 0.5f, 0.5f);
 
 	model->Draw(shader);
 }
@@ -361,24 +360,34 @@ int main()
 	if (!device->CreateRenderWindow(SCR_WIDTH, SCR_HEIGHT, "XCRender", false))
 	{
 		Log("Failed to create window");
-		glfwTerminate();
 		return -1;
 	}
 
-	glfwSetFramebufferSizeCallback(device->GetWindow(), framebuffer_size_callback);
-
-	const OpenGLDeviceInfo& info = device->GetDeviceInfo();
-	Log("OpenGL Version: %s", info.version.c_str());
-	Log("Renderer: %s", info.renderer.c_str());
+	const RHIDeviceInfo& info = device->GetDeviceInfo();
+	Log("OpenGL Version: %ls", info.version.c_str());
+	Log("Renderer: %ls", info.renderer.c_str());
 
 	Initialize();
 
 	device->PollEvents();
 	
-	while (!glfwWindowShouldClose(device->GetWindow()))
+	MSG msg = {};
+	bool shouldClose = false;
+	while (!shouldClose)
 	{
-		if (glfwGetKey(device->GetWindow(), GLFW_KEY_ESCAPE) == GLFW_PRESS)
-			glfwSetWindowShouldClose(device->GetWindow(), GLFW_TRUE);
+		while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
+		{
+			if (msg.message == WM_QUIT)
+			{
+				shouldClose = true;
+				break;
+			}
+			TranslateMessage(&msg);
+			DispatchMessageW(&msg);
+		}
+
+		if (shouldClose)
+			break;
 
 		Render();
 		device->SwapBuffers();
@@ -389,12 +398,13 @@ int main()
 		if (frameCount == 30) {
 			Log("Saving screenshot at frame %d", frameCount);
 			SaveScreenshot("screenshot.ppm");
-			glfwSetWindowShouldClose(device->GetWindow(), GLFW_TRUE);
+			PostMessageW(device->GetWindow(), WM_CLOSE, 0, 0);
 		}
 	}
 
 	Log("Application closed");
 
+	delete cmdList;
 	delete pipeline;
 	delete device;
 	delete shader;

tests/RHI/OpenGL/integration/quad/main.cpp

@@ -161,7 +161,8 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
     }
     Log("[INFO] Shaders compiled successfully");
 
-    shader.SetInt("uTexture", 0);
+    commandList.SetShader(&shader);
+    commandList.SetUniformInt("uTexture", 0);
 
     OpenGLPipelineState pipelineState;
     OpenGLRasterizerState rasterizerState;

tests/RHI/OpenGL/integration/sphere/main.cpp

@@ -283,10 +283,11 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
     int viewLoc = shader.GetUniformLocation("gViewMatrix");
     int projLoc = shader.GetUniformLocation("gProjectionMatrix");
     Log("[DEBUG] Uniform locations - gModelMatrix: %d, gViewMatrix: %d, gProjectionMatrix: %d", modelLoc, viewLoc, projLoc);
-    shader.SetMat4("gModelMatrix", modelMatrix);
-    shader.SetMat4("gViewMatrix", viewMatrix);
-    shader.SetMat4("gProjectionMatrix", projectionMatrix);
-    shader.SetInt("uTexture", 0);
+    commandList.SetShader(&shader);
+    commandList.SetUniformMat4("gModelMatrix", modelMatrix);
+    commandList.SetUniformMat4("gViewMatrix", viewMatrix);
+    commandList.SetUniformMat4("gProjectionMatrix", projectionMatrix);
+    commandList.SetUniformInt("uTexture", 0);
 
     OpenGLTexture texture;
     if (!texture.LoadFromFile("Res/Image/earth.png", true)) {

tests/RHI/OpenGL/unit/test_shader.cpp

@@ -1,5 +1,6 @@
 #include "fixtures/OpenGLTestFixture.h"
 #include "XCEngine/RHI/OpenGL/OpenGLShader.h"
+#include "XCEngine/RHI/OpenGL/OpenGLCommandList.h"
 
 using namespace XCEngine::RHI;
 
@@ -102,15 +103,17 @@ TEST_F(OpenGLTestFixture, Shader_SetUniforms) {
     shader.Compile(vs, fs);
     ASSERT_TRUE(shader.IsValid());
     
-    shader.Use();
+    auto cmdList = static_cast<OpenGLCommandList*>(GetDevice()->CreateCommandList(CommandListDesc{}));
+    ASSERT_NE(cmdList, nullptr);
     
-    shader.SetInt("uIntValue", 42);
-    shader.SetFloat("uFloatValue", 3.14f);
-    shader.SetVec3("uVec3Value", 1.0f, 2.0f, 3.0f);
+    cmdList->SetShader(&shader);
+    cmdList->SetUniformInt("uIntValue", 42);
+    cmdList->SetUniformFloat("uFloatValue", 3.14f);
+    cmdList->SetUniformVec3("uVec3Value", 1.0f, 2.0f, 3.0f);
     
     float mat[16] = {};
     mat[0] = 1.0f; mat[5] = 1.0f; mat[10] = 1.0f; mat[15] = 1.0f;
-    shader.SetMat4("uMat4Value", mat);
+    cmdList->SetUniformMat4("uMat4Value", mat);
     
     GLenum error = glGetError();
     EXPECT_EQ(error, GL_NO_ERROR);