/*
 * Vulkan
 *
 * Copyright (C) 2014 LunarG, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <string.h>
#include "wsi_lunarg.h"

static inline void* globalGetProcAddr(const char *name)
{
    if (!name || name[0] != 'v' || name[1] != 'k')
        return NULL;

    name += 2;
    if (!strcmp(name, "CreateInstance"))
        return (void*) vkCreateInstance;
    if (!strcmp(name, "DestroyInstance"))
        return (void*) vkDestroyInstance;
    if (!strcmp(name, "EnumeratePhysicalDevices"))
        return (void*) vkEnumeratePhysicalDevices;
    if (!strcmp(name, "GetPhysicalDeviceProperties"))
        return (void*) vkGetPhysicalDeviceProperties;
    if (!strcmp(name, "GetPhysicalDevicePerformance"))
        return (void*) vkGetPhysicalDevicePerformance;
    if (!strcmp(name, "GetPhysicalDeviceQueueCount"))
        return (void*) vkGetPhysicalDeviceQueueCount;
    if (!strcmp(name, "GetPhysicalDeviceQueueProperties"))
        return (void*) vkGetPhysicalDeviceQueueProperties;
    if (!strcmp(name, "GetPhysicalDeviceMemoryProperties"))
        return (void*) vkGetPhysicalDeviceMemoryProperties;
    if (!strcmp(name, "GetPhysicalDeviceFeatures"))
        return (void*) vkGetPhysicalDeviceFeatures;
    if (!strcmp(name, "GetPhysicalDeviceFormatInfo"))
        return (void*) vkGetPhysicalDeviceFormatInfo;
    if (!strcmp(name, "GetPhysicalDeviceLimits"))
        return (void*) vkGetPhysicalDeviceLimits;
    if (!strcmp(name, "GetInstanceProcAddr"))
        return (void*) vkGetInstanceProcAddr;
    if (!strcmp(name, "GetDeviceProcAddr"))
        return (void*) vkGetDeviceProcAddr;
    if (!strcmp(name, "CreateDevice"))
        return (void*) vkCreateDevice;
    if (!strcmp(name, "DestroyDevice"))
        return (void*) vkDestroyDevice;
    if (!strcmp(name, "GetGlobalExtensionProperties"))
        return (void*) vkGetGlobalExtensionProperties;
    if (!strcmp(name, "GetPhysicalDeviceExtensionProperties"))
        return (void*) vkGetPhysicalDeviceExtensionProperties;
    if (!strcmp(name, "GetGlobalLayerProperties"))
        return (void*) vkGetGlobalLayerProperties;
    if (!strcmp(name, "GetPhysicalDeviceLayerProperties"))
        return (void*) vkGetPhysicalDeviceLayerProperties;
    if (!strcmp(name, "GetDeviceQueue"))
        return (void*) vkGetDeviceQueue;
    if (!strcmp(name, "QueueSubmit"))
        return (void*) vkQueueSubmit;
    if (!strcmp(name, "QueueWaitIdle"))
        return (void*) vkQueueWaitIdle;
    if (!strcmp(name, "DeviceWaitIdle"))
        return (void*) vkDeviceWaitIdle;
    if (!strcmp(name, "AllocMemory"))
        return (void*) vkAllocMemory;
    if (!strcmp(name, "FreeMemory"))
        return (void*) vkFreeMemory;
    if (!strcmp(name, "MapMemory"))
        return (void*) vkMapMemory;
    if (!strcmp(name, "UnmapMemory"))
        return (void*) vkUnmapMemory;
    if (!strcmp(name, "FlushMappedMemoryRanges"))
        return (void*) vkFlushMappedMemoryRanges;
    if (!strcmp(name, "InvalidateMappedMemoryRanges"))
        return (void*) vkInvalidateMappedMemoryRanges;
    if (!strcmp(name, "DestroyObject"))
        return (void*) vkDestroyObject;
    if (!strcmp(name, "GetObjectMemoryRequirements"))
        return (void*) vkGetObjectMemoryRequirements;
    if (!strcmp(name, "BindObjectMemory"))
        return (void*) vkBindObjectMemory;
    if (!strcmp(name, "QueueBindSparseBufferMemory"))
        return (void*) vkQueueBindSparseBufferMemory;
    if (!strcmp(name, "QueueBindSparseImageMemory"))
        return (void*) vkQueueBindSparseImageMemory;
    if (!strcmp(name, "CreateFence"))
        return (void*) vkCreateFence;
    if (!strcmp(name, "ResetFences"))
        return (void*) vkResetFences;
    if (!strcmp(name, "GetFenceStatus"))
        return (void*) vkGetFenceStatus;
    if (!strcmp(name, "WaitForFences"))
        return (void*) vkWaitForFences;
    if (!strcmp(name, "CreateSemaphore"))
        return (void*) vkCreateSemaphore;
    if (!strcmp(name, "QueueSignalSemaphore"))
        return (void*) vkQueueSignalSemaphore;
    if (!strcmp(name, "QueueWaitSemaphore"))
        return (void*) vkQueueWaitSemaphore;
    if (!strcmp(name, "CreateEvent"))
        return (void*) vkCreateEvent;
    if (!strcmp(name, "GetEventStatus"))
        return (void*) vkGetEventStatus;
    if (!strcmp(name, "SetEvent"))
        return (void*) vkSetEvent;
    if (!strcmp(name, "ResetEvent"))
        return (void*) vkResetEvent;
    if (!strcmp(name, "CreateQueryPool"))
        return (void*) vkCreateQueryPool;
    if (!strcmp(name, "GetQueryPoolResults"))
        return (void*) vkGetQueryPoolResults;
    if (!strcmp(name, "CreateBuffer"))
        return (void*) vkCreateBuffer;
    if (!strcmp(name, "CreateBufferView"))
        return (void*) vkCreateBufferView;
    if (!strcmp(name, "CreateImage"))
        return (void*) vkCreateImage;
    if (!strcmp(name, "GetImageSubresourceLayout"))
        return (void*) vkGetImageSubresourceLayout;
    if (!strcmp(name, "CreateImageView"))
        return (void*) vkCreateImageView;
    if (!strcmp(name, "CreateColorAttachmentView"))
        return (void*) vkCreateColorAttachmentView;
    if (!strcmp(name, "CreateDepthStencilView"))
        return (void*) vkCreateDepthStencilView;
    if (!strcmp(name, "CreateShaderModule"))
        return (void*) vkCreateShaderModule;
    if (!strcmp(name, "CreateShader"))
        return (void*) vkCreateShader;
    if (!strcmp(name, "CreateGraphicsPipeline"))
        return (void*) vkCreateGraphicsPipeline;
    if (!strcmp(name, "CreateGraphicsPipelineDerivative"))
        return (void*) vkCreateGraphicsPipelineDerivative;
    if (!strcmp(name, "CreateComputePipeline"))
        return (void*) vkCreateComputePipeline;
    if (!strcmp(name, "StorePipeline"))
        return (void*) vkStorePipeline;
    if (!strcmp(name, "LoadPipeline"))
        return (void*) vkLoadPipeline;
    if (!strcmp(name, "LoadPipelineDerivative"))
        return (void*) vkLoadPipelineDerivative;
    if (!strcmp(name, "CreatePipelineLayout"))
        return (void*) vkCreatePipelineLayout;
    if (!strcmp(name, "CreateSampler"))
        return (void*) vkCreateSampler;
    if (!strcmp(name, "CreateDescriptorSetLayout"))
        return (void*) vkCreateDescriptorSetLayout;
    if (!strcmp(name, "CreateDescriptorPool"))
        return (void*) vkCreateDescriptorPool;
    if (!strcmp(name, "ResetDescriptorPool"))
        return (void*) vkResetDescriptorPool;
    if (!strcmp(name, "AllocDescriptorSets"))
        return (void*) vkAllocDescriptorSets;
    if (!strcmp(name, "UpdateDescriptorSets"))
        return (void*) vkUpdateDescriptorSets;
    if (!strcmp(name, "CreateDynamicViewportState"))
        return (void*) vkCreateDynamicViewportState;
    if (!strcmp(name, "CreateDynamicRasterState"))
        return (void*) vkCreateDynamicRasterState;
    if (!strcmp(name, "CreateDynamicColorBlendState"))
        return (void*) vkCreateDynamicColorBlendState;
    if (!strcmp(name, "CreateDynamicDepthStencilState"))
        return (void*) vkCreateDynamicDepthStencilState;
    if (!strcmp(name, "CreateCommandBuffer"))
        return (void*) vkCreateCommandBuffer;
    if (!strcmp(name, "BeginCommandBuffer"))
        return (void*) vkBeginCommandBuffer;
    if (!strcmp(name, "EndCommandBuffer"))
        return (void*) vkEndCommandBuffer;
    if (!strcmp(name, "ResetCommandBuffer"))
        return (void*) vkResetCommandBuffer;
    if (!strcmp(name, "CmdBindPipeline"))
        return (void*) vkCmdBindPipeline;
    if (!strcmp(name, "CmdBindDynamicStateObject"))
        return (void*) vkCmdBindDynamicStateObject;
    if (!strcmp(name, "CmdBindDescriptorSets"))
        return (void*) vkCmdBindDescriptorSets;
    if (!strcmp(name, "CmdBindVertexBuffers"))
        return (void*) vkCmdBindVertexBuffers;
    if (!strcmp(name, "CmdBindIndexBuffer"))
        return (void*) vkCmdBindIndexBuffer;
    if (!strcmp(name, "CmdDraw"))
        return (void*) vkCmdDraw;
    if (!strcmp(name, "CmdDrawIndexed"))
        return (void*) vkCmdDrawIndexed;
    if (!strcmp(name, "CmdDrawIndirect"))
        return (void*) vkCmdDrawIndirect;
    if (!strcmp(name, "CmdDrawIndexedIndirect"))
        return (void*) vkCmdDrawIndexedIndirect;
    if (!strcmp(name, "CmdDispatch"))
        return (void*) vkCmdDispatch;
    if (!strcmp(name, "CmdDispatchIndirect"))
        return (void*) vkCmdDispatchIndirect;
    if (!strcmp(name, "CmdCopyBuffer"))
        return (void*) vkCmdCopyBuffer;
    if (!strcmp(name, "CmdCopyImage"))
        return (void*) vkCmdCopyImage;
    if (!strcmp(name, "CmdBlitImage"))
        return (void*) vkCmdBlitImage;
    if (!strcmp(name, "CmdCopyBufferToImage"))
        return (void*) vkCmdCopyBufferToImage;
    if (!strcmp(name, "CmdCopyImageToBuffer"))
        return (void*) vkCmdCopyImageToBuffer;
    if (!strcmp(name, "CmdUpdateBuffer"))
        return (void*) vkCmdUpdateBuffer;
    if (!strcmp(name, "CmdFillBuffer"))
        return (void*) vkCmdFillBuffer;
    if (!strcmp(name, "CmdClearColorImage"))
        return (void*) vkCmdClearColorImage;
    if (!strcmp(name, "CmdClearDepthStencilImage"))
        return (void*) vkCmdClearDepthStencilImage;
    if (!strcmp(name, "CmdClearColorAttachment"))
        return (void*) vkCmdClearColorAttachment;
    if (!strcmp(name, "CmdClearDepthStencilAttachment"))
        return (void*) vkCmdClearDepthStencilAttachment;
    if (!strcmp(name, "CmdResolveImage"))
        return (void*) vkCmdResolveImage;
    if (!strcmp(name, "CmdSetEvent"))
        return (void*) vkCmdSetEvent;
    if (!strcmp(name, "CmdResetEvent"))
        return (void*) vkCmdResetEvent;
    if (!strcmp(name, "CmdWaitEvents"))
        return (void*) vkCmdWaitEvents;
    if (!strcmp(name, "CmdPipelineBarrier"))
        return (void*) vkCmdPipelineBarrier;
    if (!strcmp(name, "CmdBeginQuery"))
        return (void*) vkCmdBeginQuery;
    if (!strcmp(name, "CmdEndQuery"))
        return (void*) vkCmdEndQuery;
    if (!strcmp(name, "CmdResetQueryPool"))
        return (void*) vkCmdResetQueryPool;
    if (!strcmp(name, "CmdWriteTimestamp"))
        return (void*) vkCmdWriteTimestamp;
    if (!strcmp(name, "CmdCopyQueryPoolResults"))
        return (void*) vkCmdCopyQueryPoolResults;
    if (!strcmp(name, "CreateFramebuffer"))
        return (void*) vkCreateFramebuffer;
    if (!strcmp(name, "CreateRenderPass"))
        return (void*) vkCreateRenderPass;
    if (!strcmp(name, "CmdBeginRenderPass"))
        return (void*) vkCmdBeginRenderPass;
    if (!strcmp(name, "CmdEndRenderPass"))
        return (void*) vkCmdEndRenderPass;

    return NULL;
}

/* These functions require special handling by the loader.
*  They are not just generic trampoline code entrypoints.
*  Thus GPA must return loader entrypoint for these instead of first function
*  in the chain. */
static inline void *loader_non_passthrough_gpa(const char *name)
{
    if (!name || name[0] != 'v' || name[1] != 'k')
        return NULL;

    name += 2;
    if (!strcmp(name, "CreateInstance"))
        return (void*) vkCreateInstance;
    if (!strcmp(name, "DestroyInstance"))
        return (void*) vkDestroyInstance;
    if (!strcmp(name, "EnumeratePhysicalDevices"))
        return (void*) vkEnumeratePhysicalDevices;
    if (!strcmp(name, "GetPhysicalDeviceFeatures"))
        return (void*) vkGetPhysicalDeviceFeatures;
    if (!strcmp(name, "GetPhysicalDeviceFormatInfo"))
        return (void*) vkGetPhysicalDeviceFormatInfo;
    if (!strcmp(name, "GetPhysicalDeviceLimits"))
        return (void*) vkGetPhysicalDeviceLimits;
    if (!strcmp(name, "GetPhysicalDevicePerformance"))
        return (void*) vkGetPhysicalDevicePerformance;
    if (!strcmp(name, "GetPhysicalDeviceQueueCount"))
        return (void*) vkGetPhysicalDeviceQueueCount;
    if (!strcmp(name, "GetPhysicalDeviceQueueProperties"))
        return (void*) vkGetPhysicalDeviceQueueProperties;
    if (!strcmp(name, "GetPhysicalDeviceMemoryProperties"))
        return (void*) vkGetPhysicalDeviceMemoryProperties;
    if (!strcmp(name, "GetPhysicalDeviceProperties"))
        return (void*) vkGetPhysicalDeviceProperties;
    if (!strcmp(name, "GetInstanceProcAddr"))
        return (void*) vkGetInstanceProcAddr;
    if (!strcmp(name, "GetDeviceProcAddr"))
        return (void*) vkGetDeviceProcAddr;
    if (!strcmp(name, "CreateDevice"))
        return (void*) vkCreateDevice;
    if (!strcmp(name, "GetPhysicalDeviceExtensionProperties"))
        return (void*) vkGetPhysicalDeviceExtensionProperties;
    if (!strcmp(name, "GetDeviceQueue"))
        return (void*) vkGetDeviceQueue;
    if (!strcmp(name, "CreateCommandBuffer"))
        return (void*) vkCreateCommandBuffer;
    if (!strcmp(name, "CreateSwapChainWSI"))
        return (void*) wsi_lunarg_CreateSwapChainWSI;

    return NULL;
}