graphics 相关问题

我的代码没有正确打开窗口，它只是显示空白页面 #包括 #定义GLEW_STATIC #包括 #包括 #包括我的代码没有正确打开窗口，它只是向我显示空白页面 #include <iostream> #define GLEW_STATIC #include <GL/glew.h> #include <GLFW/glfw3.h> #include <glm/glm.hpp> #include <glm/gtc/matrix_transform.hpp> #include <glm/gtc/type_ptr.hpp> #include <glm/gtx/matrix_interpolation.hpp> #include <glm/gtc/constants.hpp> #include "shader.h" // Function to create a shader program GLuint createShaderProgram(const char* vertexShaderPath, const char* fragmentShaderPath) { return initShader(vertexShaderPath, fragmentShaderPath); } // Function to create a VAO and VBO for a shape GLuint createShapeVAO(const GLfloat* vertices, GLsizei vertexCount) { GLuint VAO, VBO; glGenVertexArrays(1, &VAO); glGenBuffers(1, &VBO); glBindVertexArray(VAO); glBindBuffer(GL_ARRAY_BUFFER, VBO); glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * vertexCount, vertices, GL_STATIC_DRAW); // Set up vertex attributes glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)0); glEnableVertexAttribArray(0); glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)(3 * sizeof(GLfloat))); glEnableVertexAttribArray(1); glBindVertexArray(0); return VAO; } // Function to render a shape void renderShape(GLuint shaderProgram, GLuint VAO, GLsizei vertexCount, const glm::mat4& transform) { glUseProgram(shaderProgram); GLint transformLoc = glGetUniformLocation(shaderProgram, "transform"); glUniformMatrix4fv(transformLoc, 1, GL_FALSE, glm::value_ptr(transform)); glBindVertexArray(VAO); glDrawArrays(GL_TRIANGLES, 0, vertexCount); glBindVertexArray(0); } int main(void) { //++++create a glfw window+++++++++++++++++++++++++++++++++++++++ GLFWwindow* window; if (!glfwInit()) //Initialize the library return -1; window = glfwCreateWindow(640, 640, "OpenGL Window", NULL, NULL); if (!window) { glfwTerminate(); return -1; } glfwMakeContextCurrent(window);//Make the window's context current //++++Initialize GLEW to setup the OpenGL Function pointers+++++++ glewExperimental = GL_TRUE; glewInit(); //++++Define the viewport dimensions++++++++++++++++++++++++++++ glViewport(0, 0, 640, 640); GLuint shaderProgram = createShaderProgram("vert.glsl", "frag.glsl"); // Define vertices for the triangle and square GLfloat vertices_DarkPinktriangle[] = { -0.4f, 0.4f, 0.0f, 170.0f / 255.0f, 51.0f / 255.0f, 106.0f / 255.0f, // Left 0.4f, 0.4f, 0.0f, 170.0f / 255.0f, 51.0f / 255.0f, 106.0f / 255.0f, // Right 0.0f, 0.0f, 0.0f, 170.0f / 255.0f, 51.0f / 255.0f, 106.0f / 255.0f, // Top }; // Create VAOs for the shapes GLuint VAO_DarkPinktriangle = createShapeVAO(vertices_DarkPinktriangle, 3); //GLuint VAO_Greensquare = createShapeVAO(vertices_Greensquare, 4); // Initialize transformation matrices glm::mat4 transform_DarkPinktriangle = glm::mat4(1.0f); //glm::mat4 transform_Greensquare = glm::mat4(1.0f); // Main rendering loop while (!glfwWindowShouldClose(window)) { glfwPollEvents(); glClearColor(0.2f, 0.3f, 0.3f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); // Render the triangle transform_DarkPinktriangle = glm::translate(transform_DarkPinktriangle, glm::vec3(0.0f, 0.0f, 0.0f)); renderShape(shaderProgram, VAO_DarkPinktriangle, 3, transform_DarkPinktriangle); } // Cleanup glDeleteVertexArrays(1, &VAO_DarkPinktriangle); //glDeleteVertexArrays(1, &VAO_Greensquare); glDeleteProgram(shaderProgram); glfwTerminate(); return 0; } 我原以为屏幕上会显示一个红色三角形，但我看到的只是一个空白的白色屏幕，视觉工作室没有显示任何错误，问题不在于我的着色器文件或任何其他文件，因为它使用类似的代码，只是这种格式这让我头疼您永远不会交换帧缓冲区，请在循环末尾添加 glfwSwapBuffers(window);。

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