Esempio n. 1
0
        void preparePipelines()
        {
            VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
                Initializers.pipelineInputAssemblyStateCreateInfo(
                    VkPrimitiveTopology.TriangleList,
                    0,
                    False);

            VkPipelineRasterizationStateCreateInfo rasterizationState =
                Initializers.pipelineRasterizationStateCreateInfo(
                    VkPolygonMode.Fill,
                    VkCullModeFlags.Back,
                    VkFrontFace.Clockwise,
                    0);

            VkPipelineColorBlendAttachmentState blendAttachmentState =
                Initializers.pipelineColorBlendAttachmentState(
                    (VkColorComponentFlags)0xf,
                    False);

            VkPipelineColorBlendStateCreateInfo colorBlendState =
                Initializers.pipelineColorBlendStateCreateInfo(
                    1,
                    &blendAttachmentState);

            VkPipelineDepthStencilStateCreateInfo depthStencilState =
                Initializers.pipelineDepthStencilStateCreateInfo(
                    True,
                    True,
                    VkCompareOp.LessOrEqual);

            VkPipelineViewportStateCreateInfo viewportState =
                Initializers.pipelineViewportStateCreateInfo(1, 1, 0);

            VkPipelineMultisampleStateCreateInfo multisampleState =
                Initializers.pipelineMultisampleStateCreateInfo(VkSampleCountFlags._1);

            FixedArray3 <VkDynamicState> dynamicStateEnables = new FixedArray3 <VkDynamicState>(
                VkDynamicState.Viewport,
                VkDynamicState.Scissor,
                VkDynamicState.LineWidth);
            VkPipelineDynamicStateCreateInfo dynamicState =
                Initializers.pipelineDynamicStateCreateInfo((VkDynamicState *)Unsafe.AsPointer(ref dynamicStateEnables), dynamicStateEnables.Count);

            VkGraphicsPipelineCreateInfo pipelineCreateInfo =
                Initializers.pipelineCreateInfo(pipelineLayout, renderPass);

            FixedArray2 <VkPipelineShaderStageCreateInfo> shaderStages = new FixedArray2 <VkPipelineShaderStageCreateInfo>();

            shaderStages.First  = loadShader(getAssetPath() + "shaders/pipelines/phong.vert.spv", VkShaderStageFlags.Vertex);
            shaderStages.Second = loadShader(getAssetPath() + "shaders/pipelines/phong.frag.spv", VkShaderStageFlags.Fragment);

            pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
            pipelineCreateInfo.pRasterizationState = &rasterizationState;
            pipelineCreateInfo.pColorBlendState    = &colorBlendState;
            pipelineCreateInfo.pMultisampleState   = &multisampleState;
            pipelineCreateInfo.pViewportState      = &viewportState;
            pipelineCreateInfo.pDepthStencilState  = &depthStencilState;
            pipelineCreateInfo.pDynamicState       = &dynamicState;
            pipelineCreateInfo.stageCount          = shaderStages.Count;
            pipelineCreateInfo.pStages             = (VkPipelineShaderStageCreateInfo *)Unsafe.AsPointer(ref shaderStages);

            // Shared vertex bindings and attributes used by all pipelines

            // Binding description
            VkVertexInputBindingDescription vertexInputBindings
                = Initializers.vertexInputBindingDescription(VERTEX_BUFFER_BIND_ID, vertexLayout.GetStride(), VkVertexInputRate.Vertex);

            // Attribute descriptions
            FixedArray4 <VkVertexInputAttributeDescription> vertexInputAttributes = new FixedArray4 <VkVertexInputAttributeDescription>
            {
                First  = Initializers.vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 0, VkFormat.R32g32b32Sfloat, 0),                  // Location 0: Position
                Second = Initializers.vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 1, VkFormat.R32g32b32Sfloat, sizeof(float) * 3),  // Location 1: Color
                Third  = Initializers.vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 2, VkFormat.R32g32Sfloat, sizeof(float) * 6),     // Location 2 : Texture coordinates
                Fourth = Initializers.vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 3, VkFormat.R32g32b32Sfloat, sizeof(float) * 8),  // Location 3 : Normal
            };

            VkPipelineVertexInputStateCreateInfo vertexInputState = VkPipelineVertexInputStateCreateInfo.New();

            vertexInputState.vertexBindingDescriptionCount   = 1;
            vertexInputState.pVertexBindingDescriptions      = &vertexInputBindings;
            vertexInputState.vertexAttributeDescriptionCount = vertexInputAttributes.Count;
            vertexInputState.pVertexAttributeDescriptions    = (VkVertexInputAttributeDescription *)Unsafe.AsPointer(ref vertexInputAttributes);

            pipelineCreateInfo.pVertexInputState = &vertexInputState;

            // Create the graphics pipeline state objects

            // We are using this pipeline as the base for the other pipelines (derivatives)
            // Pipeline derivatives can be used for pipelines that share most of their state
            // Depending on the implementation this may result in better performance for pipeline
            // switchting and faster creation time
            pipelineCreateInfo.flags = VkPipelineCreateFlags.AllowDerivatives;

            // Textured pipeline
            // Phong shading pipeline
            shaderStages.First  = loadShader(getAssetPath() + "shaders/pipelines/phong.vert.spv", VkShaderStageFlags.Vertex);
            shaderStages.Second = loadShader(getAssetPath() + "shaders/pipelines/phong.frag.spv", VkShaderStageFlags.Fragment);
            Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, ref pipelineCreateInfo, null, out pipelines_phong));

            // All pipelines created after the base pipeline will be derivatives
            pipelineCreateInfo.flags = VkPipelineCreateFlags.Derivative;
            // Base pipeline will be our first created pipeline
            pipelineCreateInfo.basePipelineHandle = pipelines_phong;
            // It's only allowed to either use a handle or index for the base pipeline
            // As we use the handle, we must set the index to -1 (see section 9.5 of the specification)
            pipelineCreateInfo.basePipelineIndex = -1;

            // Toon shading pipeline
            shaderStages.First  = loadShader(getAssetPath() + "shaders/pipelines/toon.vert.spv", VkShaderStageFlags.Vertex);
            shaderStages.Second = loadShader(getAssetPath() + "shaders/pipelines/toon.frag.spv", VkShaderStageFlags.Fragment);
            Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, ref pipelineCreateInfo, null, out pipelines_toon));

            // Pipeline for wire frame rendering
            // Non solid rendering is not a mandatory Vulkan feature
            if (DeviceFeatures.fillModeNonSolid != 0)
            {
                rasterizationState.polygonMode = VkPolygonMode.Line;
                shaderStages.First             = loadShader(getAssetPath() + "shaders/pipelines/wireframe.vert.spv", VkShaderStageFlags.Vertex);
                shaderStages.Second            = loadShader(getAssetPath() + "shaders/pipelines/wireframe.frag.spv", VkShaderStageFlags.Fragment);
                Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, ref pipelineCreateInfo, null, out pipelines_wireframe));
            }
        }
Esempio n. 2
0
        void preparePipelines()
        {
            VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
                Initializers.pipelineInputAssemblyStateCreateInfo(
                    VkPrimitiveTopology.TriangleList,
                    0,
                    False);

            VkPipelineRasterizationStateCreateInfo rasterizationState =
                Initializers.pipelineRasterizationStateCreateInfo(
                    VkPolygonMode.Fill,
                    VkCullModeFlags.None,
                    VkFrontFace.CounterClockwise,
                    0);

            VkPipelineColorBlendAttachmentState blendAttachmentState =
                Initializers.pipelineColorBlendAttachmentState(
                    (VkColorComponentFlags)0xf,
                    False);

            VkPipelineColorBlendStateCreateInfo colorBlendState =
                Initializers.pipelineColorBlendStateCreateInfo(
                    1,
                    &blendAttachmentState);

            VkPipelineDepthStencilStateCreateInfo depthStencilState =
                Initializers.pipelineDepthStencilStateCreateInfo(
                    True,
                    True,
                    VkCompareOp.LessOrEqual);

            VkPipelineViewportStateCreateInfo viewportState =
                Initializers.pipelineViewportStateCreateInfo(1, 1, 0);

            VkPipelineMultisampleStateCreateInfo multisampleState =
                Initializers.pipelineMultisampleStateCreateInfo(
                    VkSampleCountFlags._1,
                    0);

            FixedArray2 <VkDynamicState> dynamicStateEnables = new FixedArray2 <VkDynamicState>(
                VkDynamicState.Viewport,
                VkDynamicState.Scissor);
            VkPipelineDynamicStateCreateInfo dynamicState =
                Initializers.pipelineDynamicStateCreateInfo(
                    (VkDynamicState *)Unsafe.AsPointer(ref dynamicStateEnables),
                    dynamicStateEnables.Count,
                    0);

            // Load shaders
            FixedArray2 <VkPipelineShaderStageCreateInfo> shaderStages = new FixedArray2 <VkPipelineShaderStageCreateInfo>();

            shaderStages.First  = loadShader(getAssetPath() + "shaders/texture/texture.vert.spv", VkShaderStageFlags.Vertex);
            shaderStages.Second = loadShader(getAssetPath() + "shaders/texture/texture.frag.spv", VkShaderStageFlags.Fragment);

            VkGraphicsPipelineCreateInfo pipelineCreateInfo =
                Initializers.pipelineCreateInfo(
                    pipelineLayout,
                    RenderPass,
                    0);

            var vertexInputState = vertices.inputState;

            pipelineCreateInfo.pVertexInputState   = &vertexInputState;
            pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
            pipelineCreateInfo.pRasterizationState = &rasterizationState;
            pipelineCreateInfo.pColorBlendState    = &colorBlendState;
            pipelineCreateInfo.pMultisampleState   = &multisampleState;
            pipelineCreateInfo.pViewportState      = &viewportState;
            pipelineCreateInfo.pDepthStencilState  = &depthStencilState;
            pipelineCreateInfo.pDynamicState       = &dynamicState;
            pipelineCreateInfo.stageCount          = shaderStages.Count;
            pipelineCreateInfo.pStages             = (VkPipelineShaderStageCreateInfo *)Unsafe.AsPointer(ref shaderStages);

            Util.CheckResult(vkCreateGraphicsPipelines(Device, PipelineCache, 1, &pipelineCreateInfo, null, out pipelines_solid));
        }
        void preparePipelines()
        {
            VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
                Initializers.pipelineInputAssemblyStateCreateInfo(
                    VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
                    0,
                    VK_FALSE);

            VkPipelineRasterizationStateCreateInfo rasterizationState =
                Initializers.pipelineRasterizationStateCreateInfo(
                    VK_POLYGON_MODE_FILL,
                    VK_CULL_MODE_NONE,
                    VK_FRONT_FACE_COUNTER_CLOCKWISE,
                    0);

            VkPipelineColorBlendAttachmentState blendAttachmentState =
                Initializers.pipelineColorBlendAttachmentState(
                    0xf,
                    VK_FALSE);

            VkPipelineColorBlendStateCreateInfo colorBlendState =
                Initializers.pipelineColorBlendStateCreateInfo(
                    1,
                    &blendAttachmentState);

            VkPipelineDepthStencilStateCreateInfo depthStencilState =
                Initializers.pipelineDepthStencilStateCreateInfo(
                    VK_TRUE,
                    VK_TRUE,
                    VK_COMPARE_OP_LESS_OR_EQUAL);

            VkPipelineViewportStateCreateInfo viewportState =
                Initializers.pipelineViewportStateCreateInfo(1, 1, 0);

            VkPipelineMultisampleStateCreateInfo multisampleState =
                Initializers.pipelineMultisampleStateCreateInfo(
                    VK_SAMPLE_COUNT_1_BIT,
                    0);

            FixedArray2 <VkDynamicState> dynamicStateEnables = new FixedArray2 <VkDynamicState>(
                VK_DYNAMIC_STATE_VIEWPORT,
                VK_DYNAMIC_STATE_SCISSOR);

            VkPipelineDynamicStateCreateInfo dynamicState =
                Initializers.pipelineDynamicStateCreateInfo(
                    &dynamicStateEnables.First,
                    dynamicStateEnables.Count,
                    0);

            // Load shaders
            FixedArray2 <VkPipelineShaderStageCreateInfo> shaderStages = new FixedArray2 <VkPipelineShaderStageCreateInfo>(
                loadShader(getAssetPath() + "shaders/dynamicuniformbuffer/base.vert.spv", VK_SHADER_STAGE_VERTEX_BIT),
                loadShader(getAssetPath() + "shaders/dynamicuniformbuffer/base.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT));

            VkGraphicsPipelineCreateInfo pipelineCreateInfo =
                Initializers.pipelineCreateInfo(
                    pipelineLayout,
                    renderPass,
                    0);

            var vis = vertices_inputState;

            pipelineCreateInfo.pVertexInputState   = &vis;
            pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
            pipelineCreateInfo.pRasterizationState = &rasterizationState;
            pipelineCreateInfo.pColorBlendState    = &colorBlendState;
            pipelineCreateInfo.pMultisampleState   = &multisampleState;
            pipelineCreateInfo.pViewportState      = &viewportState;
            pipelineCreateInfo.pDepthStencilState  = &depthStencilState;
            pipelineCreateInfo.pDynamicState       = &dynamicState;
            pipelineCreateInfo.stageCount          = shaderStages.Count;
            pipelineCreateInfo.pStages             = &shaderStages.First;

            Util.CheckResult(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, null, out pipeline));
        }