代码如下:
#include
#include
#define FERRGLUT_STATIC
#include
#include
GLBatch trianglebatch;
GLShaderManager shadermanager;
int main(int argc, char* argv[])
{
void RenderScene();
void ChangeSize(int w, int h);
void SetupRC();
gltSetWorkingDirectory(argv[0]);
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH | GLUT_STENCIL);
glutInitWindowSize(800, 600);
glutCreateWindow("triangle");
glutReshapeFunc(ChangeSize);
glutDisplayFunc(RenderScene);
GLenum err = glewInit();
if (GLEW_OK != err){
fprintf(stderr, "GLEW Error:%s\n", glewGetErrorString(err));
return 1;
}
SetupRC();
glutMainLoop();
return 0;
}
void ChangeSize(int w, int h)
{
glViewport(0, 0, w, h);
}
void SetupRC()
{
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
shadermanager.InitializeStockShaders();
GLfloat vVerts[9] = {
-0.5f, 0.0f, 0.0f,
0.5f, 0.0f, 0.0f,
0.0f, 0.5f, 0.0f };
trianglebatch.Begin(GL_TRIANGLES, 3);
trianglebatch.CopyVertexData3f(vVerts);
trianglebatch.End();
}
void RenderScene()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
GLfloat vRed[3] = { 1.0f, 0.0f, 0.0f };
shadermanager.UseStockShader(GLT_SHADER_IDENTITY, vRed);
trianglebatch.Draw();
glutSwapBuffers();
}
网上看说有“0xC0000005: 写入位置 0x000000AC 时发生访问冲突”这种问题是指针没有赋值,可是我是按照例子敲的代码啊。求大神解答。
用VS2013编译opengl编程宝典第五版的第一个画三角形的例子,编译后程序运行不了
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