C++ (Cpp) gltReadBMPBits 예제들

예제 #1

파일: FerrisWheelTextured.cpp 프로젝트: marksands/Themepark

bool LoadBMPTexture(const char *szFileName, GLenum minFilter, GLenum magFilter, GLenum wrapMode)	
{
	GLbyte *pBits;
	GLint iWidth, iHeight;

	pBits = gltReadBMPBits(szFileName, &iWidth, &iHeight);
	if(pBits == NULL)
		return false;

    // Set Wrap modes
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapMode);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapMode);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);

  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, iWidth, iHeight, 0, GL_BGR, GL_UNSIGNED_BYTE, pBits);

  free(pBits);
  
  switch (minFilter) {
    case GL_LINEAR_MIPMAP_LINEAR:
    case GL_LINEAR_MIPMAP_NEAREST:
    case GL_NEAREST_MIPMAP_LINEAR:
    case GL_NEAREST_MIPMAP_NEAREST:
      glGenerateMipmap(GL_TEXTURE_2D);
  }

	return true;
}

예제 #2

파일: pix_buffs.cpp 프로젝트: CodeBees/OpenGLSuperBible5ANGLE

///////////////////////////////////////////////////////////////////////////////////////////////////////
// Load in a BMP file as a texture. Allows specification of the filters and the wrap mode
bool LoadBMPTexture(const char *szFileName, GLenum minFilter, GLenum magFilter, GLenum wrapMode)	
{
	GLbyte *pBits;
	GLint iWidth, iHeight;

	pBits = gltReadBMPBits(szFileName, &iWidth, &iHeight);
	if(pBits == NULL)
		return false;

	// Set Wrap modes
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapMode);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapMode);

	// Do I need to generate mipmaps?
#ifndef OPENGL_ES
	if(minFilter == GL_LINEAR_MIPMAP_LINEAR || minFilter == GL_LINEAR_MIPMAP_NEAREST || minFilter == GL_NEAREST_MIPMAP_LINEAR || minFilter == GL_NEAREST_MIPMAP_NEAREST)
		glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
#endif

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);

#ifndef OPENGL_ES
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, iWidth, iHeight, 0, GL_BGR, GL_UNSIGNED_BYTE, pBits);
#else
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, iWidth, iHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, pBits);
	glGenerateMipmap(GL_TEXTURE_2D);
#endif
	return true;
}

예제 #3

파일: fbotextures.cpp 프로젝트: ybbai/workspace

bool LoadBMPTexture(const char *bmpFileName,GLenum minFilter,GLenum magFilter,GLenum wrapMode)
{
    GLbyte* pBits;
    GLint width,height;

    pBits = gltReadBMPBits(bmpFileName,&width,&height);

    //texure wrap mode
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,wrapMode);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,wrapMode);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,minFilter);
    glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,magFilter);

    glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,width,height,0,GL_BGR,GL_UNSIGNED_BYTE,pBits);


    if(minFilter == GL_LINEAR_MIPMAP_LINEAR || minFilter == GL_LINEAR_MIPMAP_NEAREST ||
            minFilter == GL_NEAREST_MIPMAP_LINEAR || minFilter == GL_NEAREST_MIPMAP_NEAREST)
        glGenerateMipmap(GL_TEXTURE_2D);

    return true;
}

예제 #4

파일: FbxReader.cpp 프로젝트: Narsiss/workspace

GLuint LoadBMPTexture(const char *szFileName)	
{
	GLbyte *pBits;
	GLint iWidth, iHeight;
	GLuint texture;

	pBits = gltReadBMPBits(szFileName, &iWidth, &iHeight);
	if(pBits == NULL)
		return false;

	glGenTextures(1,&texture);
	glBindTexture(GL_TEXTURE_2D,texture);
	// Set Wrap modes
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

	// Do I need to generate mipmaps?

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, iWidth, iHeight, 0, GL_BGR, GL_UNSIGNED_BYTE, pBits);
	return texture;
}