protected override void DoInitialize()
{
base_prog = GL.CreateProgram();
ShaderHelper.vglAttachShaderSource(base_prog, ShaderType.VertexShader, quad_shader_vs);
ShaderHelper.vglAttachShaderSource(base_prog, ShaderType.FragmentShader, quad_shader_fs);
GL.GenBuffers(1, quad_vbo);
GL.BindBuffer(BufferTarget.ArrayBuffer, quad_vbo[0]);
var quad_data = new UnmanagedArray <vec2>(8);
quad_data[0] = new vec2(1.0f, -1.0f);
quad_data[1] = new vec2(-1.0f, -1.0f);
quad_data[2] = new vec2(-1.0f, 1.0f);
quad_data[3] = new vec2(1.0f, 1.0f);
quad_data[4] = new vec2(0.0f, 0.0f);
quad_data[5] = new vec2(1.0f, 0.0f);
quad_data[6] = new vec2(1.0f, 1.0f);
quad_data[7] = new vec2(0.0f, 1.0f);
GL.BufferData(BufferTarget.ArrayBuffer, quad_data, BufferUsage.StaticDraw);
GL.GenVertexArrays(1, vao);
GL.BindVertexArray(vao[0]);
GL.VertexAttribPointer(0, 2, GL.GL_FLOAT, false, 0, IntPtr.Zero);
GL.VertexAttribPointer(1, 2, GL.GL_FLOAT, false, 0, new IntPtr(8 * sizeof(float)));
GL.EnableVertexAttribArray(0);
GL.EnableVertexAttribArray(1);
GL.LinkProgram(base_prog);
StringBuilder buf = new StringBuilder(1024);
GL.GetProgramInfoLog(base_prog, 1024, IntPtr.Zero, buf);
vglImageData image = new vglImageData();
tex = vgl.vglLoadTexture(@"media\test.dds", 0, ref image);
GL.TexParameteri(image.target, GL.GL_TEXTURE_MIN_FILTER, (int)GL.GL_LINEAR_MIPMAP_LINEAR);
vgl.vglUnloadImage(ref image);
}
/// <summary>
/// Load a dds file and return the texture.
/// </summary>
/// <param name="fullname"></param>
/// <returns></returns>
public static Texture LoadDDS(string fullname)
{
vglImageData imageData = new vglImageData();
vgl.vglLoadImage(fullname, ref imageData);
if (imageData.mip == null)
{
imageData.mip = new vglImageMipData[vermilion.MAX_TEXTURE_MIPS];
}
int[] swizzle = new int[4];
for (int i = 0; i < 4; i++)
{
swizzle[i] = (int)imageData.swizzle[i];
}
var texture = new Texture(new DDSStorage(imageData),
new TexParameteriv(GL.GL_TEXTURE_SWIZZLE_RGBA, "SwizzleRGBA", swizzle));
texture.Initialize();
return(texture);
}
} // end sub
#endregion
protected override void DoInitialize()
{
skybox_prog = GL.CreateProgram();
ShaderHelper.vglAttachShaderSource(skybox_prog, ShaderType.VertexShader, skybox_shader_vs);
ShaderHelper.vglAttachShaderSource(skybox_prog, ShaderType.FragmentShader, skybox_shader_fs);
GL.LinkProgram(skybox_prog);
object_prog = GL.CreateProgram();
ShaderHelper.vglAttachShaderSource(object_prog, ShaderType.VertexShader, object_shader_vs);
ShaderHelper.vglAttachShaderSource(object_prog, ShaderType.FragmentShader, object_shader_fs);
GL.LinkProgram(object_prog);
GL.GenBuffers(1, cube_vbo);
GL.BindBuffer(BufferTarget.ArrayBuffer, cube_vbo[0]);
var cube_vertices = new UnmanagedArray <vec3>(8);
cube_vertices[0] = new vec3(-1.0f, -1.0f, -1.0f);
cube_vertices[1] = new vec3(-1.0f, -1.0f, 1.0f);
cube_vertices[2] = new vec3(-1.0f, 1.0f, -1.0f);
cube_vertices[3] = new vec3(-1.0f, 1.0f, 1.0f);
cube_vertices[4] = new vec3(1.0f, -1.0f, -1.0f);
cube_vertices[5] = new vec3(1.0f, -1.0f, 1.0f);
cube_vertices[6] = new vec3(1.0f, 1.0f, -1.0f);
cube_vertices[7] = new vec3(1.0f, 1.0f, 1.0f);
var cube_indices = new UnmanagedArray <ushort>(16);
// First strip
cube_indices[0] = 0;
cube_indices[1] = 1;
cube_indices[2] = 2;
cube_indices[3] = 3;
cube_indices[4] = 6;
cube_indices[5] = 7;
cube_indices[6] = 4;
cube_indices[7] = 5;
// Second strip
cube_indices[8] = 2;
cube_indices[9] = 6;
cube_indices[10] = 0;
cube_indices[11] = 4;
cube_indices[12] = 1;
cube_indices[13] = 5;
cube_indices[14] = 3;
cube_indices[15] = 7;
GL.BufferData(BufferTarget.ArrayBuffer, cube_vertices, BufferUsage.StaticDraw);
cube_vertices.Dispose();
GL.GenVertexArrays(1, vao);
GL.BindVertexArray(vao[0]);
GL.VertexAttribPointer(0, 3, GL.GL_FLOAT, false, 0, IntPtr.Zero);
GL.EnableVertexAttribArray(0);
GL.GenBuffers(1, cube_element_buffer);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, cube_element_buffer[0]);
GL.BufferData(BufferTarget.ElementArrayBuffer, cube_indices, BufferUsage.StaticDraw);
cube_indices.Dispose();
skybox_rotate_loc = GL.GetUniformLocation(skybox_prog, "tc_rotate");
object_mat_mvp_loc = GL.GetUniformLocation(object_prog, "mat_mvp");
object_mat_mv_loc = GL.GetUniformLocation(object_prog, "mat_mv");
skyboxTexLocation = GL.GetUniformLocation(skybox_prog, "tex");
objectTexLocation = GL.GetUniformLocation(object_prog, "tex");
//tex = new Texture2D();
//System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(@"media\TantolundenCube.png");
//tex.Initialize(bmp);
vglImageData data = new vglImageData();
tex = vgl.vglLoadTexture(@"media\TantolundenCube.dds", 0, ref data);
uint e = GL.GetError();
vgl.vglUnloadImage(ref data);
vboObject.LoadFromVBM(@"media\unit_torus.vbm", 0, 1, 2);
}
