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); }