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glTexImage2D에 계속 문제가있어 화면 렌더링이 중단됩니다.glTexImage2D() 함수가 액세스 위반 오류가 발생했습니다.
#include <glew.h>
#include <wglew.h>
#include <stdio.h>
#include <iostream>
#include <gl\GL.h>
#include <SDL.h>
#include "SDL_image.h"
GLuint _texturebufferID;
GLuint _vertexBufferID;
GLuint texturebufferID;
int SCREEN_WIDTH = 740;
int SCREEN_HEIGHT = 520;
int mode;
bool processing = true;
SDL_Surface* image;
SDL_Window* window;
SDL_Renderer* renderer;
SDL_GLContext context;
SDL_Surface* surface;
SDL_Event window_key;
typedef struct {
GLfloat positionCoordinates[3];
GLfloat textureCoordinates[2];
} Texture;
Texture vertices[] =
{
// | Pixels |--|coords|
{{1.0f, 0.0f, 0.0f}, {0.0f, 0.0f}},
{{0.0f, 43.0f, 0.0f}, {0.0f, 1.0f}},
{{168.0f, 43.0f, 0.0f}, {1.0f, 1.0f}},
{{168.0f, 0.0f, 0.0f}, {1.0f, 0.0f}}
};
GLuint loadandbuffersprite(const char *filename)
{
image = IMG_Load(filename);
glGenTextures(1, &texturebufferID);
glBindTexture(GL_TEXTURE_2D, texturebufferID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image->w, image->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); //Access Violation
SDL_FreeSurface(image);
return texturebufferID;
}
void render()
{
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glMatrixMode(GL_PROJECTION);
glMatrixMode(GL_MODELVIEW);
glGenBuffers(1, &_vertexBufferID);
glBindBuffer(GL_ARRAY_BUFFER, _vertexBufferID);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices,
GL_STATIC_DRAW);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(Texture), (GLvoid *)
offsetof(Texture, positionCoordinates));
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, sizeof(Texture), (GLvoid *)
offsetof(Texture, textureCoordinates));
glLoadIdentity();
loadandbuffersprite("hane_stand.png");
}
난 그냥 최근에 오류가있어하지만 난 문제가 될 수 있는지 이해가 안 :
여기 내 코드입니다. 어떤 점이 올바른 방향으로 나를 가리킬 수 있습니까?