/*
 * Copyright (c) 2015-2017 The Khronos Group Inc.
 * Copyright (c) 2015-2017 Valve Corporation
 * Copyright (c) 2015-2017 LunarG, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
 * Author: Dave Houlton <daveh@lunarg.com>
 */

#ifndef VKRENDERFRAMEWORK_H
#define VKRENDERFRAMEWORK_H

#ifdef ANDROID
#include "vktestframeworkandroid.h"
class VkImageObj;
#else
#include "vktestframework.h"
#endif

#include <algorithm>
#include <array>
#include <map>
#include <vector>

using namespace std;

using vk_testing::MakeVkHandles;

template <class Dst, class Src>
std::vector<Dst *> MakeTestbindingHandles(const std::vector<Src *> &v) {
    std::vector<Dst *> handles;
    handles.reserve(v.size());
    std::transform(v.begin(), v.end(), std::back_inserter(handles), [](const Src *o) { return static_cast<Dst *>(o); });
    return handles;
}

class VkDeviceObj : public vk_testing::Device {
   public:
    VkDeviceObj(uint32_t id, VkPhysicalDevice obj);
    VkDeviceObj(uint32_t id, VkPhysicalDevice obj, std::vector<const char *> &extension_names,
                VkPhysicalDeviceFeatures *features = nullptr);

    uint32_t QueueFamilyWithoutCapabilities(VkQueueFlags capabilities);

    VkDevice device() { return handle(); }
    void get_device_queue();

    uint32_t id;
    VkPhysicalDeviceProperties props;
    std::vector<VkQueueFamilyProperties> queue_props;

    VkQueue m_queue;
};

class VkCommandPoolObj;
class VkCommandBufferObj;
class VkDepthStencilObj;

class VkRenderFramework : public VkTestFramework {
   public:
    VkRenderFramework();
    ~VkRenderFramework();

    VkInstance instance() { return inst; }
    VkDevice device() { return m_device->device(); }
    VkDeviceObj *DeviceObj() const { return m_device; }
    VkPhysicalDevice gpu();
    VkRenderPass renderPass() { return m_renderPass; }
    const VkRenderPassCreateInfo &RenderPassInfo() const { return renderPass_info_; };
    VkFramebuffer framebuffer() { return m_framebuffer; }
    void InitViewport(float width, float height);
    void InitViewport();
    void InitRenderTarget();
    void InitRenderTarget(uint32_t targets);
    void InitRenderTarget(VkImageView *dsBinding);
    void InitRenderTarget(uint32_t targets, VkImageView *dsBinding);
    void InitFramework(PFN_vkDebugReportCallbackEXT = NULL, void *userData = NULL);

    void ShutdownFramework();
    void GetPhysicalDeviceFeatures(VkPhysicalDeviceFeatures *features);
    void InitState(VkPhysicalDeviceFeatures *features = nullptr, const VkCommandPoolCreateFlags flags = 0);

    const VkRenderPassBeginInfo &renderPassBeginInfo() const { return m_renderPassBeginInfo; }

    bool InstanceLayerSupported(const char *name, uint32_t specVersion = 0, uint32_t implementationVersion = 0);
    bool EnableDeviceProfileLayer();
    bool InstanceExtensionSupported(const char *name, uint32_t specVersion = 0);
    bool DeviceExtensionSupported(VkPhysicalDevice dev, const char *layer, const char *name, uint32_t specVersion = 0);

   protected:
    VkApplicationInfo app_info;
    VkInstance inst;
    VkPhysicalDevice objs[16];
    uint32_t gpu_count;
    VkDeviceObj *m_device;
    VkCommandPoolObj *m_commandPool;
    VkCommandBufferObj *m_commandBuffer;
    VkRenderPass m_renderPass;
    VkRenderPassCreateInfo renderPass_info_ = {};
    VkFramebuffer m_framebuffer;
    std::vector<VkViewport> m_viewports;
    std::vector<VkRect2D> m_scissors;
    float m_lineWidth;
    float m_depthBiasConstantFactor;
    float m_depthBiasClamp;
    float m_depthBiasSlopeFactor;
    float m_blendConstants[4];
    float m_minDepthBounds;
    float m_maxDepthBounds;
    uint32_t m_compareMask;
    uint32_t m_writeMask;
    uint32_t m_reference;
    bool m_addRenderPassSelfDependency;
    std::vector<VkClearValue> m_renderPassClearValues;
    VkRenderPassBeginInfo m_renderPassBeginInfo;
    vector<VkImageObj *> m_renderTargets;
    float m_width, m_height;
    VkFormat m_render_target_fmt;
    VkFormat m_depth_stencil_fmt;
    VkClearColorValue m_clear_color;
    bool m_clear_via_load_op;
    float m_depth_clear_color;
    uint32_t m_stencil_clear_color;
    VkDepthStencilObj *m_depthStencil;
    PFN_vkCreateDebugReportCallbackEXT m_CreateDebugReportCallback;
    PFN_vkDestroyDebugReportCallbackEXT m_DestroyDebugReportCallback;
    PFN_vkDebugReportMessageEXT m_DebugReportMessage;
    VkDebugReportCallbackEXT m_globalMsgCallback;
    VkDebugReportCallbackEXT m_devMsgCallback;

    std::vector<const char *> m_instance_layer_names;
    std::vector<const char *> m_instance_extension_names;
    std::vector<const char *> m_device_extension_names;

    /*
     * SetUp and TearDown are called by the Google Test framework
     * to initialize a test framework based on this class.
     */
    virtual void SetUp() {
        this->app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
        this->app_info.pNext = NULL;
        this->app_info.pApplicationName = "base";
        this->app_info.applicationVersion = 1;
        this->app_info.pEngineName = "unittest";
        this->app_info.engineVersion = 1;
        this->app_info.apiVersion = VK_API_VERSION_1_0;

        InitFramework();
    }

    virtual void TearDown() { ShutdownFramework(); }
};

class VkDescriptorSetObj;
class VkConstantBufferObj;
class VkPipelineObj;
class VkDescriptorSetObj;

class VkCommandPoolObj : public vk_testing::CommandPool {
   public:
    VkCommandPoolObj(VkDeviceObj *device, uint32_t queue_family_index, VkCommandPoolCreateFlags flags = 0);
};

class VkCommandBufferObj : public vk_testing::CommandBuffer {
   public:
    VkCommandBufferObj(VkDeviceObj *device, VkCommandPoolObj *pool, VkCommandBufferLevel level = VK_COMMAND_BUFFER_LEVEL_PRIMARY);
    void PipelineBarrier(VkPipelineStageFlags src_stages, VkPipelineStageFlags dest_stages, VkDependencyFlags dependencyFlags,
                         uint32_t memoryBarrierCount, const VkMemoryBarrier *pMemoryBarriers, uint32_t bufferMemoryBarrierCount,
                         const VkBufferMemoryBarrier *pBufferMemoryBarriers, uint32_t imageMemoryBarrierCount,
                         const VkImageMemoryBarrier *pImageMemoryBarriers);
    void ClearAllBuffers(const vector<VkImageObj *> &color_objs, VkClearColorValue clear_color,
                         VkDepthStencilObj *depth_stencil_obj, float depth_clear_value, uint32_t stencil_clear_value);
    void PrepareAttachments(const vector<VkImageObj *> &color_atts, VkDepthStencilObj *depth_stencil_att);
    void BindDescriptorSet(VkDescriptorSetObj &descriptorSet);
    void BindVertexBuffer(VkConstantBufferObj *vertexBuffer, VkDeviceSize offset, uint32_t binding);
    void BeginRenderPass(const VkRenderPassBeginInfo &info);
    void EndRenderPass();
    void FillBuffer(VkBuffer buffer, VkDeviceSize offset, VkDeviceSize fill_size, uint32_t data);
    void Draw(uint32_t vertexCount, uint32_t instanceCount, uint32_t firstVertex, uint32_t firstInstance);
    void DrawIndexed(uint32_t indexCount, uint32_t instanceCount, uint32_t firstIndex, int32_t vertexOffset,
                     uint32_t firstInstance);
    void QueueCommandBuffer(bool checkSuccess = true);
    void QueueCommandBuffer(VkFence fence, bool checkSuccess = true);
    void SetViewport(uint32_t firstViewport, uint32_t viewportCount, const VkViewport *pViewports);
    void SetStencilReference(VkStencilFaceFlags faceMask, uint32_t reference);
    void UpdateBuffer(VkBuffer buffer, VkDeviceSize dstOffset, VkDeviceSize dataSize, const void *pData);
    void CopyImage(VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage, VkImageLayout dstImageLayout,
                   uint32_t regionCount, const VkImageCopy *pRegions);
    void ResolveImage(VkImage srcImage, VkImageLayout srcImageLayout, VkImage dstImage, VkImageLayout dstImageLayout,
                      uint32_t regionCount, const VkImageResolve *pRegions);
    void ClearColorImage(VkImage image, VkImageLayout imageLayout, const VkClearColorValue *pColor, uint32_t rangeCount,
                         const VkImageSubresourceRange *pRanges);
    void ClearDepthStencilImage(VkImage image, VkImageLayout imageLayout, const VkClearDepthStencilValue *pColor,
                                uint32_t rangeCount, const VkImageSubresourceRange *pRanges);

   protected:
    VkDeviceObj *m_device;
};

class VkConstantBufferObj : public vk_testing::Buffer {
   public:
    VkConstantBufferObj(VkDeviceObj *device,
                        VkBufferUsageFlags usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT);
    VkConstantBufferObj(VkDeviceObj *device, VkDeviceSize size, const void *data,
                        VkBufferUsageFlags usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT);

    VkDescriptorBufferInfo m_descriptorBufferInfo;

   protected:
    VkDeviceObj *m_device;
};

class VkRenderpassObj {
   public:
    VkRenderpassObj(VkDeviceObj *device);
    ~VkRenderpassObj();
    VkRenderPass handle() { return m_renderpass; }

   protected:
    VkRenderPass m_renderpass;
    VkDevice device;
};

class VkImageObj : public vk_testing::Image {
   public:
    VkImageObj(VkDeviceObj *dev);
    bool IsCompatible(VkImageUsageFlags usages, VkFormatFeatureFlags features);

   public:
    void Init(uint32_t const width, uint32_t const height, uint32_t const mipLevels, VkFormat const format, VkFlags const usage,
              VkImageTiling const tiling = VK_IMAGE_TILING_LINEAR, VkMemoryPropertyFlags const reqs = 0);

    void init(const VkImageCreateInfo *create_info);

    void InitNoLayout(uint32_t const width, uint32_t const height, uint32_t const mipLevels, VkFormat const format,
                      VkFlags const usage, VkImageTiling tiling = VK_IMAGE_TILING_LINEAR, VkMemoryPropertyFlags reqs = 0);

    //    void clear( CommandBuffer*, uint32_t[4] );

    void Layout(VkImageLayout const layout) { m_descriptorImageInfo.imageLayout = layout; }

    VkDeviceMemory memory() const { return Image::memory().handle(); }

    void *MapMemory() { return Image::memory().map(); }

    void UnmapMemory() { Image::memory().unmap(); }

    void ImageMemoryBarrier(VkCommandBufferObj *cmd, VkImageAspectFlags aspect, VkFlags output_mask, VkFlags input_mask,
                            VkImageLayout image_layout);

    VkResult CopyImage(VkImageObj &src_image);

    VkImage image() const { return handle(); }

    VkImageView targetView(VkFormat format) {
        if (!m_targetView.initialized()) {
            VkImageViewCreateInfo createView = {};
            createView.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
            createView.image = handle();
            createView.viewType = VK_IMAGE_VIEW_TYPE_2D;
            createView.format = format;
            createView.components.r = VK_COMPONENT_SWIZZLE_R;
            createView.components.g = VK_COMPONENT_SWIZZLE_G;
            createView.components.b = VK_COMPONENT_SWIZZLE_B;
            createView.components.a = VK_COMPONENT_SWIZZLE_A;
            createView.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
            createView.flags = 0;
            m_targetView.init(*m_device, createView);
        }
        return m_targetView.handle();
    }

    void SetLayout(VkCommandBufferObj *cmd_buf, VkImageAspectFlags aspect, VkImageLayout image_layout);
    void SetLayout(VkImageAspectFlags aspect, VkImageLayout image_layout);

    VkImageLayout Layout() const { return m_descriptorImageInfo.imageLayout; }
    uint32_t width() const { return extent().width; }
    uint32_t height() const { return extent().height; }
    VkDeviceObj *device() const { return m_device; }

   protected:
    VkDeviceObj *m_device;

    vk_testing::ImageView m_targetView;
    VkDescriptorImageInfo m_descriptorImageInfo;
};

class VkTextureObj : public VkImageObj {
   public:
    VkTextureObj(VkDeviceObj *device, uint32_t *colors = NULL);

    VkDescriptorImageInfo m_imageInfo;

   protected:
    VkDeviceObj *m_device;
    vk_testing::ImageView m_textureView;
};

class VkDepthStencilObj : public VkImageObj {
   public:
    VkDepthStencilObj(VkDeviceObj *device);
    void Init(VkDeviceObj *device, int32_t width, int32_t height, VkFormat format,
              VkImageUsageFlags usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
    bool Initialized();
    VkImageView *BindInfo();

    VkFormat Format() const;

   protected:
    VkDeviceObj *m_device;
    bool m_initialized;
    vk_testing::ImageView m_imageView;
    VkFormat m_depth_stencil_fmt;
    VkImageView m_attachmentBindInfo;
};

class VkSamplerObj : public vk_testing::Sampler {
   public:
    VkSamplerObj(VkDeviceObj *device);

   protected:
    VkDeviceObj *m_device;
};

class VkDescriptorSetLayoutObj : public vk_testing::DescriptorSetLayout {
   public:
    VkDescriptorSetLayoutObj() = default;
    VkDescriptorSetLayoutObj(const VkDeviceObj *device,
                             const std::vector<VkDescriptorSetLayoutBinding> &descriptor_set_bindings = {},
                             VkDescriptorSetLayoutCreateFlags flags = 0);

    // Move constructor and move assignment operator for Visual Studio 2013
    VkDescriptorSetLayoutObj(VkDescriptorSetLayoutObj &&src) : DescriptorSetLayout(std::move(src)){};
    VkDescriptorSetLayoutObj &operator=(VkDescriptorSetLayoutObj &&src) {
        DescriptorSetLayout::operator=(std::move(src));
        return *this;
    }
};

class VkDescriptorSetObj : public vk_testing::DescriptorPool {
   public:
    VkDescriptorSetObj(VkDeviceObj *device);
    ~VkDescriptorSetObj();

    int AppendDummy();
    int AppendBuffer(VkDescriptorType type, VkConstantBufferObj &constantBuffer);
    int AppendSamplerTexture(VkSamplerObj *sampler, VkTextureObj *texture);
    void CreateVKDescriptorSet(VkCommandBufferObj *commandBuffer);

    VkDescriptorSet GetDescriptorSetHandle() const;
    VkPipelineLayout GetPipelineLayout() const;

   protected:
    VkDeviceObj *m_device;
    std::vector<VkDescriptorSetLayoutBinding> m_layout_bindings;
    std::map<VkDescriptorType, int> m_type_counts;
    int m_nextSlot;

    vector<VkDescriptorImageInfo> m_imageSamplerDescriptors;
    vector<VkWriteDescriptorSet> m_writes;

    vk_testing::DescriptorSetLayout m_layout;
    vk_testing::PipelineLayout m_pipeline_layout;
    vk_testing::DescriptorSet *m_set = NULL;
};

class VkShaderObj : public vk_testing::ShaderModule {
   public:
    VkShaderObj(VkDeviceObj *device, const char *shaderText, VkShaderStageFlagBits stage, VkRenderFramework *framework,
                char const *name = "main");
    VkPipelineShaderStageCreateInfo const &GetStageCreateInfo() const;

   protected:
    VkPipelineShaderStageCreateInfo m_stage_info;
    VkDeviceObj *m_device;
};

class VkPipelineLayoutObj : public vk_testing::PipelineLayout {
   public:
    VkPipelineLayoutObj() = default;
    VkPipelineLayoutObj(VkDeviceObj *device, const std::vector<const VkDescriptorSetLayoutObj *> &descriptor_layouts = {},
                        const std::vector<VkPushConstantRange> &push_constant_ranges = {});

    // Move constructor and move assignment operator for Visual Studio 2013
    VkPipelineLayoutObj(VkPipelineLayoutObj &&src) : PipelineLayout(std::move(src)) {}
    VkPipelineLayoutObj &operator=(VkPipelineLayoutObj &&src) {
        PipelineLayout::operator=(std::move(src));
        return *this;
    }

    void Reset();
};

class VkPipelineObj : public vk_testing::Pipeline {
   public:
    VkPipelineObj(VkDeviceObj *device);
    void AddShader(VkShaderObj *shaderObj);
    void AddShader(VkPipelineShaderStageCreateInfo const &createInfo);
    void AddVertexInputAttribs(VkVertexInputAttributeDescription *vi_attrib, uint32_t count);
    void AddVertexInputBindings(VkVertexInputBindingDescription *vi_binding, uint32_t count);
    void AddColorAttachment(uint32_t binding, const VkPipelineColorBlendAttachmentState &att);
    void MakeDynamic(VkDynamicState state);

    void AddDefaultColorAttachment(VkColorComponentFlags writeMask = 0xf /*=R|G|B|A*/) {
        VkPipelineColorBlendAttachmentState att = {};
        att.blendEnable = VK_FALSE;
        att.colorWriteMask = writeMask;
        AddColorAttachment(0, att);
    }

    void SetDepthStencil(const VkPipelineDepthStencilStateCreateInfo *);
    void SetMSAA(const VkPipelineMultisampleStateCreateInfo *ms_state);
    void SetInputAssembly(const VkPipelineInputAssemblyStateCreateInfo *ia_state);
    void SetRasterization(const VkPipelineRasterizationStateCreateInfo *rs_state);
    void SetTessellation(const VkPipelineTessellationStateCreateInfo *te_state);
    void SetViewport(const vector<VkViewport> viewports);
    void SetScissor(const vector<VkRect2D> scissors);

    void InitGraphicsPipelineCreateInfo(VkGraphicsPipelineCreateInfo *gp_ci);

    VkResult CreateVKPipeline(VkPipelineLayout layout, VkRenderPass render_pass, VkGraphicsPipelineCreateInfo *gp_ci = nullptr);

   protected:
    VkPipelineVertexInputStateCreateInfo m_vi_state;
    VkPipelineInputAssemblyStateCreateInfo m_ia_state;
    VkPipelineRasterizationStateCreateInfo m_rs_state;
    VkPipelineColorBlendStateCreateInfo m_cb_state;
    VkPipelineDepthStencilStateCreateInfo const *m_ds_state;
    VkPipelineViewportStateCreateInfo m_vp_state;
    VkPipelineMultisampleStateCreateInfo m_ms_state;
    VkPipelineTessellationStateCreateInfo const *m_te_state;
    VkPipelineDynamicStateCreateInfo m_pd_state;
    vector<VkDynamicState> m_dynamic_state_enables;
    vector<VkViewport> m_viewports;
    vector<VkRect2D> m_scissors;
    VkDeviceObj *m_device;
    vector<VkPipelineShaderStageCreateInfo> m_shaderStages;
    vector<VkPipelineColorBlendAttachmentState> m_colorAttachments;
};

#endif  // VKRENDERFRAMEWORK_H