在 Visual Studio + CUDA 上运行 OpenGL 应用程序时出现问题

Question

我正在尝试在 Visual Studio 2013 上使用 Open GL 与 UDA 7.5 的互操作性来运行手电筒程序。

I keep getting this error: Error 1 error LNK2019: unresolved external symbol __imp__glewInit referenced in function "void __cdecl initGLUT(int *,char * *)" (?initGLUT@@YAXPAHPAPAD@Z) C:\Users\documents\visual studio 2013 \Projects\flashlight\flashlight\main.obj 手电筒

main.cpp 中的所有函数 main() 调用都会重复相同的错误

我确保正确编辑 glut header 文件的包含目录，如下所示：

这是项目中的 main.cpp：

#include "kernel.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef _WIN32
#define WINDOWS_LEAN_AND_MEAN
#define NOMINMAX
#include <windows.h>
#endif
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glew.h>
#include <GL/freeglut.h>
#endif
#include <cuda_runtime.h>
#include <cuda_gl_interop.h>
#include "interactions.h"

// texture and pixel objects
GLuint pbo = 0; // OpenGL pixel buffer object
GLuint tex = 0; // OpenGL texture object
struct cudaGraphicsResource *cuda_pbo_resource;

void render() {
    uchar4 *d_out = 0;
    cudaGraphicsMapResources(1, &cuda_pbo_resource, 0);
    cudaGraphicsResourceGetMappedPointer((void **)&d_out, NULL,
        cuda_pbo_resource);
    kernelLauncher(d_out, W, H, loc);
    cudaGraphicsUnmapResources(1, &cuda_pbo_resource, 0);
}

void drawTexture() {
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, W, H, 0, GL_RGBA,
        GL_UNSIGNED_BYTE, NULL);
    glEnable(GL_TEXTURE_2D);
    glBegin(GL_QUADS);
    glTexCoord2f(0.0f, 0.0f); glVertex2f(0, 0);
    glTexCoord2f(0.0f, 1.0f); glVertex2f(0, H);
    glTexCoord2f(1.0f, 1.0f); glVertex2f(W, H);
    glTexCoord2f(1.0f, 0.0f); glVertex2f(W, 0);
    glEnd();
    glDisable(GL_TEXTURE_2D);
}

void display() {
    render();
    drawTexture();
    glutSwapBuffers();
}

void initGLUT(int *argc, char **argv) {
    glutInit(argc, argv);
    glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
    glutInitWindowSize(W, H);
    glutCreateWindow(TITLE_STRING);
#ifndef __APPLE__
    glewInit();
#endif
}

void initPixelBuffer() {
    glGenBuffers(1, &pbo);
    glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo);
    glBufferData(GL_PIXEL_UNPACK_BUFFER, 4 * W*H*sizeof(GLubyte), 0,
        GL_STREAM_DRAW);
    glGenTextures(1, &tex);
    glBindTexture(GL_TEXTURE_2D, tex);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    cudaGraphicsGLRegisterBuffer(&cuda_pbo_resource, pbo,
        cudaGraphicsMapFlagsWriteDiscard);
}

void exitfunc() {
    if (pbo) {
        cudaGraphicsUnregisterResource(cuda_pbo_resource);
        glDeleteBuffers(1, &pbo);
        glDeleteTextures(1, &tex);
    }
}

int main(int argc, char** argv) {
    printInstructions();
    initGLUT(&argc, argv);
    gluOrtho2D(0, W, H, 0);
    glutKeyboardFunc(keyboard);
    glutSpecialFunc(handleSpecialKeypress);
    glutPassiveMotionFunc(mouseMove);
    glutMotionFunc(mouseDrag);
    glutDisplayFunc(display);
    initPixelBuffer();
    glutMainLoop();
    atexit(exitfunc);
    return 0;
}

这是 kernel.cu

#include "kernel.h"
#define TX 32
#define TY 32

__device__
unsigned char clip(int n) { return n > 255 ? 255 : (n < 0 ? 0 : n); }

__global__
void distanceKernel(uchar4 *d_out, int w, int h, int2 pos) {
    const int c = blockIdx.x*blockDim.x + threadIdx.x;
    const int r = blockIdx.y*blockDim.y + threadIdx.y;
    if ((c >= w) || (r >= h)) return; // Check if within image bounds
    const int i = c + r*w; // 1D indexing
    const int dist = sqrtf((c - pos.x)*(c - pos.x) +
        (r - pos.y)*(r - pos.y));
    const unsigned char intensity = clip(255 - dist);
    d_out[i].x = intensity;
    d_out[i].y = intensity;
    d_out[i].z = 0;
    d_out[i].w = 255;
}

void kernelLauncher(uchar4 *d_out, int w, int h, int2 pos) {
    const dim3 blockSize(TX, TY);
    const dim3 gridSize = dim3((w + TX - 1) / TX, (h + TY - 1) / TY);
    distanceKernel << <gridSize, blockSize >> >(d_out, w, h, pos);
}

kernel.h：

#ifndef KERNEL_H
#define KERNEL_H

struct uchar4;
struct int2;

void kernelLauncher(uchar4 *d_out, int w, int h, int2 pos);

#endif

交互.h：

#ifndef KERNEL_H
#define KERNEL_H

struct uchar4;
struct int2;

void kernelLauncher(uchar4 *d_out, int w, int h, int2 pos);

#endif