Esempio n. 1
0
        public override void Initialize()
        {
            var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 3 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
            {
                new Vertex {
                    Position = new Vector4(-0.5f, -0.5f, 0f, 1f), Color = new Color4(1, 0, 0, 1)
                },
                new Vertex {
                    Position = new Vector4(0.0f, 0.5f, 0f, 1f), Color = new Color4(0, 1, 0, 1)
                },
                new Vertex {
                    Position = new Vector4(0.5f, -0.5f, 0f, 1f), Color = new Color4(1, 1, 0, 1)
                }
            });

            var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 3 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[] { 0, 1, 2 });

            vertexArray = Context.Create.VertexArray();
            vertexArray.SetElementArrayBuffer(indexBuffer);
            vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 0);
            vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Four, VertexAttribPointerType.Float, false, 32, 16);

            IVertexShader   vsh = Context.Create.VertexShader(VertexShaderText);
            IFragmentShader fsh = Context.Create.FragmentShader(FragmentShaderText);

            program = Context.Create.Program(new ShaderProgramDescription
            {
                VertexShaders        = new[] { vsh },
                FragmentShaders      = new[] { fsh },
                VertexAttributeNames = new[] { "in_position", "in_color" }
            });
        }
Esempio n. 2
0
        public override void Initialize()
        {
            var vertexData = new Vertex[MaxVertices];

            vertexData[0] = Vertex.Cannon;

            var vertexBufferSource = Context.Create.Buffer(BufferTarget.TransformFeedback, Vertex.SizeInBytes * MaxVertices, BufferUsageHint.StaticDraw, vertexData);
            var vertexBufferTarget = Context.Create.Buffer(BufferTarget.TransformFeedback, Vertex.SizeInBytes * MaxVertices, BufferUsageHint.StaticDraw);

            vertexArraySource = Context.Create.VertexArray();
            vertexArraySource.SetVertexAttributeF(0, vertexBufferSource, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 0);
            vertexArraySource.SetVertexAttributeF(1, vertexBufferSource, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 2 * sizeof(float));
            vertexArraySource.SetVertexAttributeF(2, vertexBufferSource, VertexAttributeDimension.One, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 4 * sizeof(float));
            vertexArraySource.SetVertexAttributeI(3, vertexBufferSource, VertexAttributeDimension.One, VertexAttribIPointerType.Int, Vertex.SizeInBytes, 5 * sizeof(float));
            vertexArraySource.SetVertexAttributeF(4, vertexBufferSource, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 6 * sizeof(float));

            vertexArrayTarget = Context.Create.VertexArray();
            vertexArrayTarget.SetVertexAttributeF(0, vertexBufferTarget, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 0);
            vertexArrayTarget.SetVertexAttributeF(1, vertexBufferTarget, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 2 * sizeof(float));
            vertexArrayTarget.SetVertexAttributeF(2, vertexBufferTarget, VertexAttributeDimension.One, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 4 * sizeof(float));
            vertexArrayTarget.SetVertexAttributeI(3, vertexBufferTarget, VertexAttributeDimension.One, VertexAttribIPointerType.Int, Vertex.SizeInBytes, 5 * sizeof(float));
            vertexArrayTarget.SetVertexAttributeF(4, vertexBufferTarget, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, Vertex.SizeInBytes, 6 * sizeof(float));

            transformFeedbackSource = Context.Create.TransformFeedback();
            transformFeedbackSource.SetBuffer(0, vertexBufferSource);

            transformFeedbackTarget = Context.Create.TransformFeedback();
            transformFeedbackTarget.SetBuffer(0, vertexBufferTarget);

            timeBuffer = Context.Create.Buffer(BufferTarget.Uniform, 2 * sizeof(float), BufferUsageHint.DynamicDraw);

            IVertexShader   vsh = Context.Create.VertexShader(VertexShaderText);
            IGeometryShader gsh = Context.Create.GeometryShader(GeometryShaderText);
            IFragmentShader fsh = Context.Create.FragmentShader(FragmentShaderText);

            program = Context.Create.Program(new ShaderProgramDescription
            {
                VertexShaders                   = new[] { vsh },
                GeometryShaders                 = new[] { gsh },
                FragmentShaders                 = new[] { fsh },
                VertexAttributeNames            = new[] { "in_position", "in_velocity", "in_timeToAction", "in_type", "in_color" },
                TransformFeedbackAttributeNames = new[] { "g_position", "g_velocity", "g_timeToAction", "g_type", "g_color" },
                TransformFeedbackMode           = TransformFeedbackMode.InterleavedAttribs,
                UniformBufferNames              = new[] { "Time" }
            });
        }
Esempio n. 3
0
 public ShaderPipeline(IVertexShader vertexShader, IFragmentShader fragmentShader)
 {
     VertexShader   = vertexShader;
     FragmentShader = fragmentShader;
 }
        public override void Initialize()
        {
            renderTarget = Context.Create.Texture2D(RenderTargetSize, RenderTargetSize, TextureHelper.CalculateMipCount(RenderTargetSize, 1, 1), Format.Rgba8);
            depthStencil = Context.Create.Renderbuffer(RenderTargetSize, RenderTargetSize, Format.Depth24Stencil8);

            framebuffer = Context.Create.Framebuffer();
            framebuffer.AttachTextureImage(FramebufferAttachmentPoint.Color0, renderTarget, 0);
            framebuffer.AttachRenderbuffer(FramebufferAttachmentPoint.DepthStencil, depthStencil);

            var vertexBuffer = Context.Create.Buffer(BufferTarget.Array, 24 * 8 * sizeof(float), BufferUsageHint.StaticDraw, new[]
            {
                new Vertex(1f, -1f, 1f, 1f, 0f, 0f, 0f, 0f),
                new Vertex(1f, 1f, 1f, 1f, 0f, 0f, 1f, 0f),
                new Vertex(1f, 1f, -1f, 1f, 0f, 0f, 1f, 1f),
                new Vertex(1f, -1f, -1f, 1f, 0f, 0f, 0f, 1f),

                new Vertex(1f, 1f, 1f, 0f, 1f, 0f, 0f, 0f),
                new Vertex(-1f, 1f, 1f, 0f, 1f, 0f, 1f, 0f),
                new Vertex(-1f, 1f, -1f, 0f, 1f, 0f, 1f, 1f),
                new Vertex(1f, 1f, -1f, 0f, 1f, 0f, 0f, 1f),

                new Vertex(-1f, 1f, 1f, -1f, 0f, 0f, 0f, 0f),
                new Vertex(-1f, -1f, 1f, -1f, 0f, 0f, 1f, 0f),
                new Vertex(-1f, -1f, -1f, -1f, 0f, 0f, 1f, 1f),
                new Vertex(-1f, 1f, -1f, -1f, 0f, 0f, 0f, 1f),

                new Vertex(-1f, -1f, 1f, 0f, -1f, 0f, 0f, 0f),
                new Vertex(1f, -1f, 1f, 0f, -1f, 0f, 1f, 0f),
                new Vertex(1f, -1f, -1f, 0f, -1f, 0f, 1f, 1f),
                new Vertex(-1f, -1f, -1f, 0f, -1f, 0f, 0f, 1f),

                new Vertex(-1f, -1f, 1f, 0f, 0f, 1f, 0f, 0f),
                new Vertex(-1f, 1f, 1f, 0f, 0f, 1f, 1f, 0f),
                new Vertex(1f, 1f, 1f, 0f, 0f, 1f, 1f, 1f),
                new Vertex(1f, -1f, 1f, 0f, 0f, 1f, 0f, 1f),

                new Vertex(-1f, 1f, -1f, 0f, 0f, -1f, 0f, 0f),
                new Vertex(-1f, -1f, -1f, 0f, 0f, -1f, 1f, 0f),
                new Vertex(1f, -1f, -1f, 0f, 0f, -1f, 1f, 1f),
                new Vertex(1f, 1f, -1f, 0f, 0f, -1f, 0f, 1f)
            });

            var indexBuffer = Context.Create.Buffer(BufferTarget.ElementArray, 36 * sizeof(ushort), BufferUsageHint.StaticDraw, new ushort[]
            {
                0, 1, 2, 0, 2, 3,
                4, 5, 6, 4, 6, 7,
                8, 9, 10, 8, 10, 11,
                12, 13, 14, 12, 14, 15,
                16, 17, 18, 16, 18, 19,
                20, 21, 22, 20, 22, 23
            });

            vertexArray = Context.Create.VertexArray();
            vertexArray.SetElementArrayBuffer(indexBuffer);
            vertexArray.SetVertexAttributeF(0, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 32, 0);
            vertexArray.SetVertexAttributeF(1, vertexBuffer, VertexAttributeDimension.Three, VertexAttribPointerType.Float, false, 32, 12);
            vertexArray.SetVertexAttributeF(2, vertexBuffer, VertexAttributeDimension.Two, VertexAttribPointerType.Float, false, 32, 24);

            transformBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
            cameraBuffer    = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
#if INTEL_WORKAROUND
            cameraOutsideBuffer = Context.Create.Buffer(BufferTarget.Uniform, 64, BufferUsageHint.DynamicDraw);
#endif
            cameraExtraBuffer = Context.Create.Buffer(BufferTarget.Uniform, 12, BufferUsageHint.DynamicDraw);
            lightBuffer       = Context.Create.Buffer(BufferTarget.Uniform, 12, BufferUsageHint.DynamicDraw);

            using (var textureLoader = new TextureLoader("../Textures/DiffuseTest.png"))
            {
                diffuseMap = Context.Create.Texture2D(textureLoader.Width, textureLoader.Height, TextureHelper.CalculateMipCount(textureLoader.Width, textureLoader.Height, 1), Format.Rgba8);
                for (int i = 0; i < diffuseMap.MipCount; i++)
                {
                    diffuseMap.SetData(i, textureLoader.GetMipData(i), FormatColor.Rgba, FormatType.UnsignedByte);
                }
            }

            sampler = Context.Create.Sampler();
            sampler.SetMagFilter(TextureMagFilter.Linear);
            sampler.SetMinFilter(TextureMinFilter.LinearMipmapLinear);
            sampler.SetMaxAnisotropy(16f);

            IVertexShader   vsh = Context.Create.VertexShader(VertexShaderText);
            IFragmentShader fsh = Context.Create.FragmentShader(FragmentShaderText);
            program = Context.Create.Program(new ShaderProgramDescription
            {
                VertexShaders        = new[] { vsh },
                FragmentShaders      = new[] { fsh },
                VertexAttributeNames = new[] { "in_position", "in_normal", "in_tex_coord" },
                UniformBufferNames   = new[] { "Transform", "Camera", "Light" },
                SamplerNames         = new[] { "DiffuseMap" }
            });
        }