C# Effect.EndPass方法代码示例

        /// <summary>
        /// Render de quad con shader.
        /// Setear previamente todos los parámetros de shader y technique correspondiente.
        /// Limpiar la pantalla segun sea necesario
        /// </summary>
        public void render(Effect effect)
        {
            Device d3dDevice = GuiController.Instance.D3dDevice;

            d3dDevice.VertexFormat = CustomVertex.PositionTextured.Format;
            d3dDevice.SetStreamSource(0, screenQuadVB, 0);

            effect.Begin(0);
            effect.BeginPass(0);
            d3dDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, 2);
            effect.EndPass();
            effect.End();
        }

        public void executeRender(Effect effect)
        {
            Device device = GuiController.Instance.D3dDevice;
            GuiController.Instance.Shaders.setShaderMatrixIdentity(effect);

            //Render terrain 
            effect.SetValue("texDiffuseMap", terrainTexture);

            device.VertexFormat = CustomVertex.PositionTextured.Format;
            device.SetStreamSource(0, vbTerrain, 0);

            int numPasses = effect.Begin(0);
            for (int n = 0; n < numPasses; n++)
            {
                effect.BeginPass(n);
                device.DrawPrimitives(PrimitiveType.TriangleList, 0, totalVertices / 3);
                effect.EndPass();
            }
            effect.End();
        }

        public void render(Effect effect)
        {
            Device device = GuiController.Instance.D3dDevice;
            GuiController.Instance.Shaders.setShaderMatrixIdentity(effect);
            device.VertexFormat = CustomVertex.PositionTextured.Format;
            device.SetStreamSource(0, vb, 0);

            // primero dibujo los objetos opacos:
            // piso de la ruta
            effect.SetValue("texDiffuseMap", textura_piso);
            device.RenderState.AlphaBlendEnable = false;
            int numPasses = effect.Begin(0);
            for (int n = 0; n < numPasses; n++)
            {
                effect.BeginPass(n);
                device.DrawPrimitives(PrimitiveType.TriangleStrip, 0, 2 * (cant_ptos_ruta - 1));
                effect.EndPass();
            }
            effect.End();

            // vegetacion
            if (pos_en_ruta != -1)
            {
                float[] K = new float[10];
                for (int i = 0; i < cant_arboles; ++i)
                {
                    K[i] = 1;
                    arbol[i].Effect = effect;
                    arbol[i].Technique = "DefaultTechnique";
                }

                int[] P = new int[10];
                P[0] = 11;
                P[1] = 7;
                P[2] = 13;
                P[3] = 5;

                float dr = ancho_ruta / 2;
                for (int i = 0; i < cant_ptos_ruta; ++i)
                {
                    Vector3 dir = pt_ruta[i + 1] - pt_ruta[i];
                    dir.Normalize();
                    Vector3 n = Vector3.Cross(dir, new Vector3(0, 1, 0));
                    Vector3 p0 = pt_ruta[i] - n * dr;
                    Vector3 p1 = pt_ruta[i] + n * dr;

                    for (int j = 0; j < cant_arboles; ++j)
                    {
                        if (i % P[j] == 0)
                        {
                            Vector3 pos = pt_ruta[i] - n * 300 * K[j];
                            pos.Y = 0;
                            arbol[j].Position = pos;
                            arbol[j].render();
                            K[j] *= -1;
                        }
                    }
                }
            }

            // Ahora los objetos transparentes (el guarda rail, y los carteles)
            // guarda rail
            device.RenderState.AlphaBlendEnable = true;
            GuiController.Instance.Shaders.setShaderMatrixIdentity(effect);
            device.VertexFormat = CustomVertex.PositionTextured.Format;
            device.SetStreamSource(0, vb, 0);
            effect.SetValue("texDiffuseMap", textura_guardrail);
            numPasses = effect.Begin(0);
            for (int n = 0; n < numPasses; n++)
            {
                effect.BeginPass(n);
                device.DrawPrimitives(PrimitiveType.TriangleStrip, 2 * cant_ptos_ruta, 2 * (cant_ptos_ruta - 1));
                device.DrawPrimitives(PrimitiveType.TriangleStrip, 4 * cant_ptos_ruta, 2 * (cant_ptos_ruta - 1));
                effect.EndPass();
            }
            effect.End();

            // carteles
            effect.SetValue("texDiffuseMap", textura_cartel);
            numPasses = effect.Begin(0);
            for (int n = 0; n < numPasses; n++)
            {
                effect.BeginPass(n);
                for (int i = 0; i < cant_carteles; ++i)
                    device.DrawPrimitives(PrimitiveType.TriangleStrip, pos_carteles + 4 * i, 2);
                effect.EndPass();
            }
            effect.End();
        }

//.........这里部分代码省略.........
            foreach (SlimDX.Direct3D9.Mesh mesh in meshes.Keys)
            {
                device.Indices = meshes[mesh].IndexBuffer;

                foreach (Texture texture in meshes[mesh].Textures.Keys)
                {
                    bool first = true;
                    int numberOfInstancedDraws = 0;

                    DataStream ds = null;

                    foreach (Common.Tuple<Graphics.Content.Model9, Entity, string> renderObject in meshes[mesh].Textures[texture].RenderObjects)
                    {
                        Entity entity = renderObject.Second;

                        if (entity.ActiveInMain == Frame)
                        {
                            if (first)
                            {
                                MetaModel metaModel = GetLatestMetaModel(entity, renderObject.Third);

                                //if (Settings.PriorityRelation[metaModel.Visible] + Settings.TerrainQualityPriorityRelation[Settings.TerrainQuality] < 3)
                                //    break;

                                effect.SetTexture(EHTexture, texture);
                                ds = optimizedVB[k % optimizedVB.Length].Lock(0, meshes[mesh].Textures[texture].RenderObjects.Count * (Vector4.SizeInBytes * 4), LockFlags.None);

                                if (renderObject.First.SpecularTexture != null)
                                    effect.SetTexture(EHSpecularMap, renderObject.First.SpecularTexture);

                                UpdateEffectWithMetaModel(effect, metaModel, false);

                                effect.CommitChanges();
                                first = false;
                            }

                            Matrix worldMatrix;
                            //Matrix normalMatrix;

                            if (renderObject.First.SkinnedMesh != null)
                            {
                                Matrix[] storedMatrices =
                                    GetLatestMetaModel(renderObject.Second, renderObject.Third).StoredFrameMatrices[mesh][0];
                                worldMatrix = storedMatrices[0];
                                //normalMatrix = storedMatrices.Second[0];
                            }
                            else
                            {
                                MetaModel metaModel = GetLatestMetaModel(entity, renderObject.Third);
                                worldMatrix = metaModel.GetWorldMatrix(Scene.Camera, renderObject.Second);
                                //normalMatrix = Matrix.Transpose(Matrix.Invert(worldMatrix));
                            }

                            ds.Write(worldMatrix);

                            //ThreeTimesThreeMatrix matrix;

                            //matrix.M11 = normalMatrix.M11;
                            //matrix.M12 = normalMatrix.M12;
                            //matrix.M13 = normalMatrix.M13;
                            //matrix.M21 = normalMatrix.M21;
                            //matrix.M22 = normalMatrix.M22;
                            //matrix.M23 = normalMatrix.M23;
                            //matrix.M31 = normalMatrix.M31;
                            //matrix.M32 = normalMatrix.M32;
                            //matrix.M33 = normalMatrix.M33;
                            //ds.Write(matrix);

                            numberOfInstancedDraws++;
                        }
                    }

            #if RENDERER_STATISTICS
                    if (maxNumberOfInstancedDrawCalls < numberOfInstancedDraws)
                        maxNumberOfInstancedDrawCalls = numberOfInstancedDraws;
                    if (minNumberOfInstancedDrawCalls > numberOfInstancedDraws)
                        minNumberOfInstancedDrawCalls = numberOfInstancedDraws;
            #endif

                    if (numberOfInstancedDraws == 0)
                        continue;

                    optimizedVB[k % optimizedVB.Length].Unlock();

                    DrawInstancedIndexedPrimitives(device, mesh, meshes[mesh].VertexBuffer, optimizedVB[k % optimizedVB.Length], instancedVertexElements,
                            numberOfInstancedDraws);

                    k++;
                }
            }

            effect.EndPass();
            effect.End();

            device.SetStreamSourceFrequency(0, 1, StreamSource.IndexedData);
            device.SetStreamSourceFrequency(1, 0, StreamSource.InstanceData);
            device.SetStreamSource(0, null, 0, 0);
            device.SetStreamSource(1, null, 0, 0);
            device.ResetStreamSourceFrequency(0);
        }

        private void RenderXMeshes(Dictionary<SlimDX.Direct3D9.Mesh, RenderMesh> meshes, Effect effect, Matrix viewProjection, string technique)
        {
            effect.Technique = technique;

            effect.Begin(fx);
            effect.BeginPass(0);

            foreach (SlimDX.Direct3D9.Mesh mesh in meshes.Keys)
            {
                foreach (Texture texture in meshes[mesh].Textures.Keys)
                {
                    effect.SetTexture(EHTexture, texture);
                    if (meshes[mesh].Textures[texture].RenderObjects[0].First.SpecularTexture != null)
                        effect.SetTexture(EHSpecularMap, meshes[mesh].Textures[texture].RenderObjects[0].First.SpecularTexture);

                    foreach (Common.Tuple<Graphics.Content.Model9, Entity, string> renderObject in meshes[mesh].Textures[texture].RenderObjects)
                    {
                        if (renderObject.Second.ActiveInMain == Frame)
                        {
                            Matrix worldMatrix;
                            MetaModel metaModel = GetLatestMetaModel(renderObject.Second, renderObject.Third);

                            if (renderObject.First.SkinnedMesh != null)
                            {
                                worldMatrix = metaModel.StoredFrameMatrices[mesh][0][0];
                            }
                            else
                            {
                                worldMatrix = metaModel.GetWorldMatrix(Scene.Camera, renderObject.Second);
                                worldMatrix = Matrix.Identity;
                            }
                            UpdateEffectWithMetaModel(effect, metaModel, false);

                            effect.SetValue(EHShadowWorldViewProjection, worldMatrix * ShadowMapCamera);
                            effect.SetValue(EHWorldViewProjectionMatrix, worldMatrix * viewProjection);
                            effect.SetValue(EHWorldMatrix, worldMatrix);

                            effect.CommitChanges();

                            mesh.DrawSubset(0);
                        }
                    }
                }
            }

            effect.EndPass();
            effect.End();
        }

        private void RenderSkinnedMeshes(Dictionary<SkinnedMesh, RenderSkinnedMesh> skinnedMeshes, Effect effect, bool withShadows, bool hasSkinning, Matrix viewProjection, string technique)
        {
            effect.Technique = technique;
            effect.Begin(fx);
            effect.BeginPass(0);

            foreach (SkinnedMesh skinnedMesh in skinnedMeshes.Keys)
            {
                foreach (Texture texture in skinnedMeshes[skinnedMesh].Textures.Keys)
                {
                    bool first = true;
                    effect.SetTexture(EHTexture, texture);

                    foreach (Common.Tuple<Model9, Entity, string> renderObject in skinnedMeshes[skinnedMesh].Textures[texture].RenderObjects)
                    {
                        Entity entity = renderObject.Second;
                        MetaModel metaModel = GetLatestMetaModel(renderObject.Second, renderObject.Third);

                        //if (Settings.TerrainQualityPriorityRelation[Settings.TerrainQuality] + Settings.PriorityRelation[metaModel.Visible] < 3)
                        //    continue;

                        if (first)
                        {
                            //if (Settings.TerrainQualityPriorityRelation[Settings.TerrainQuality] + Settings.PriorityRelation[metaModel.Visible] < 3)
                            //    break;

                            if (skinnedMeshes[skinnedMesh].Textures[texture].RenderObjects[0].First.SpecularTexture != null && !withShadows)
                                effect.SetTexture(EHSpecularMap, skinnedMeshes[skinnedMesh].Textures[texture].RenderObjects[0].First.SpecularTexture);

                            first = false;
                        }

                        if ((!withShadows && (entity.ActiveInMain == Frame)) || (withShadows && (entity.ActiveInShadowMap == Frame) && (Settings.PriorityRelation[metaModel.CastShadows] + Settings.ShadowQualityPriorityRelation[Settings.ShadowQuality] > 3)))
                        {
                            UpdateEffectWithMetaModel(effect, metaModel, withShadows);

                            foreach (var SM in skinnedMesh.MeshContainers)
                                RenderSkinnedMesh(SM, withShadows, effect, hasSkinning, viewProjection, metaModel.StoredFrameMatrices);
                        }
                    }
                }
            }

            effect.EndPass();
            effect.End();
        }