void fzDrawLine(const fzVec2& origin, const fzVec2& destination )
{
fzGLSetMode(kFZGLMode_Primitives);
fzVec2 vertices[2] = { origin, destination };
#if FZ_GL_SHADERS
lazyInitialize();
fzGLUseProgram(_fzShader->getName());
FZ_SAFE_APPLY_MATRIX(_fzShader);
glVertexAttribPointer(kFZAttribPosition, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#else
glVertexPointer(2, GL_FLOAT, 0, vertices);
#endif
glDrawArrays(GL_LINES, 0, 2);
}
void fzDrawShape( const fzVec2 *vertices, fzUInt numOfVertices)
{
FZ_ASSERT( numOfVertices > 0, "Number of vertices can not be 0.");
fzGLSetMode(kFZGLMode_Primitives);
#if FZ_GL_SHADERS
lazyInitialize();
fzGLUseProgram(_fzShader->getName());
FZ_SAFE_APPLY_MATRIX(_fzShader);
glVertexAttribPointer(kFZAttribPosition, 2, GL_FLOAT, GL_FALSE, 0, vertices);
#else
glVertexPointer(2, GL_FLOAT, 0, vertices);
#endif
GLsizei nu = static_cast<GLsizei>(numOfVertices);
glDrawArrays(GL_TRIANGLE_STRIP, 0, nu);
}
void GLProgram::use() const
{
fzGLUseProgram(m_program);
}