/* Refresh - XNA-inspired 3D Graphics Library with modern capabilities
 *
 * Copyright (c) 2020 Evan Hemsley
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from
 * the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software in a
 * product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 *
 * Evan "cosmonaut" Hemsley <evan@moonside.games>
 *
 */

#include "Refresh_Driver.h"

#include <SDL.h>

#define NULL_RETURN(name) if (name == NULL) { return; }

/* Drivers */

static const REFRESH_Driver *drivers[] = {
    &VulkanDriver,
    NULL
};

/* Version API */

uint32_t REFRESH_LinkedVersion(void)
{
	return REFRESH_COMPILED_VERSION;
}

/* Driver Functions */

static int32_t selectedDriver = -1;

REFRESH_Device* REFRESH_CreateDevice(
    void *deviceWindowHandle
) {
    if (selectedDriver < 0)
    {
        return NULL;
    }

    return drivers[selectedDriver]->CreateDevice(deviceWindowHandle);
}

void REFRESH_DestroyDevice(REFRESH_Device *device)
{
    NULL_RETURN(device);
    device->DestroyDevice(device);
}

void REFRESH_Clear(
	REFRESH_Device *device,
	REFRESH_ClearOptions options,
	REFRESH_Vec4 **colors,
    uint32_t colorCount,
	float depth,
	int32_t stencil
) {
    NULL_RETURN(device);
    device->Clear(device->driverData, options, colors, colorCount, depth, stencil);
}

void REFRESH_DrawIndexedPrimitives(
	REFRESH_Device *device,
	REFRESH_PrimitiveType primitiveType,
	uint32_t baseVertex,
	uint32_t minVertexIndex,
	uint32_t numVertices,
	uint32_t startIndex,
	uint32_t primitiveCount,
	REFRESH_Buffer *indices,
	REFRESH_IndexElementSize indexElementSize
) {
    NULL_RETURN(device);
    device->DrawIndexedPrimitives(
        device->driverData,
        primitiveType,
        baseVertex,
        minVertexIndex,
        numVertices,
        startIndex,
        primitiveCount,
        indices,
        indexElementSize
    );
}

void REFRESH_DrawInstancedPrimitives(
	REFRESH_Device *device,
	REFRESH_PrimitiveType primitiveType,
	uint32_t baseVertex,
	uint32_t minVertexIndex,
	uint32_t numVertices,
	uint32_t startIndex,
	uint32_t primitiveCount,
	uint32_t instanceCount,
	REFRESH_Buffer *indices,
	REFRESH_IndexElementSize indexElementSize
) {
    NULL_RETURN(device);
    device->DrawInstancedPrimitives(
        device->driverData,
        primitiveType,
        baseVertex,
        minVertexIndex,
        numVertices,
        startIndex,
        primitiveCount,
        instanceCount,
        indices,
        indexElementSize
    );
}

void REFRESH_DrawPrimitives(
	REFRESH_Device *device,
	REFRESH_PrimitiveType primitiveType,
	uint32_t vertexStart,
	uint32_t primitiveCount
) {
    NULL_RETURN(device);
    device->DrawPrimitives(
        device->driverData,
        primitiveType,
        vertexStart,
        primitiveCount
    );
}

REFRESH_RenderPass* REFRESH_CreateRenderPass(
	REFRESH_Device *device,
	REFRESH_RenderPassCreateInfo *renderPassCreateInfo
) {
    NULL_RETURN(device);
    device->CreateRenderPass(
        device->driverData,
        renderPassCreateInfo
    );
}

REFRESH_GraphicsPipeline* REFRESH_CreateGraphicsPipeline(
	REFRESH_Device *device,
	REFRESH_GraphicsPipelineCreateInfo *pipelineCreateInfo
) {
    NULL_RETURN(device);
    device->CreateGraphicsPipeline(
        device->driverData,
        pipelineCreateInfo
    );
}

REFRESH_Sampler* REFRESH_CreateSampler(
	REFRESH_Device *device,
	REFRESH_SamplerStateCreateInfo *samplerStateCreateInfo
) {
    NULL_RETURN(device);
    device->CreateSampler(
        device->driverData,
        samplerStateCreateInfo
    );
}

REFRESH_Framebuffer* REFRESH_CreateFramebuffer(
	REFRESH_Device *device,
	REFRESH_FramebufferCreateInfo *framebufferCreateInfo
) {
    NULL_RETURN(device);
    device->CreateFramebuffer(
        device->driverData,
        framebufferCreateInfo
    );
}

REFRESH_ShaderModule* REFRESH_CreateShaderModule(
	REFRESH_Device *device,
	REFRESH_ShaderModuleCreateInfo *shaderModuleCreateInfo
) {
    NULL_RETURN(device);
    device->CreateShaderModule(
        device->driverData,
        shaderModuleCreateInfo
    );
}

REFRESH_Texture* REFRESH_CreateTexture2D(
	REFRESH_Device *device,
	REFRESH_SurfaceFormat format,
	uint32_t width,
	uint32_t height,
	uint32_t levelCount
) {
    NULL_RETURN(device);
    device->CreateTexture2D(
        device->driverData,
        format,
        width,
        height,
        levelCount
    );
}

REFRESH_Texture* REFRESH_CreateTexture3D(
	REFRESH_Device *device,
	REFRESH_SurfaceFormat format,
	uint32_t width,
	uint32_t height,
	uint32_t depth,
	uint32_t levelCount
) {
    NULL_RETURN(device);
    device->CreateTexture3D(
        device->driverData,
        format,
        width,
        height,
        depth,
        levelCount
    );
}

REFRESH_Texture* REFRESH_CreateTextureCube(
	REFRESH_Device *device,
	REFRESH_SurfaceFormat format,
	uint32_t size,
	uint32_t levelCount
) {
    NULL_RETURN(device);
    device->CreateTextureCube(
        device->driverData,
        format,
        size,
        levelCount
    );
}

REFRESH_ColorTarget* REFRESH_GenColorTarget(
	REFRESH_Device *device,
	uint32_t width,
	uint32_t height,
	REFRESH_SurfaceFormat format,
	uint32_t multisampleCount,
	REFRESH_Texture *texture
) {
    NULL_RETURN(device);
    device->GenColorTarget(
        device->driverData,
        width,
        height,
        format,
        multisampleCount,
        texture
    );
}

REFRESH_DepthStencilTarget* REFRESH_GenDepthStencilTarget(
	REFRESH_Device *device,
	uint32_t width,
	uint32_t height,
	REFRESH_DepthFormat format,
	REFRESH_Texture *texture
) {
    NULL_RETURN(device);
    device->GenDepthStencilTarget(
        device->driverData,
        width,
        height,
        format,
        texture
    );
}

REFRESH_Buffer* REFRESH_GenVertexBuffer(
	REFRESH_Device *device,
	uint32_t sizeInBytes
) {
    NULL_RETURN(device);
    device->GenVertexBuffer(
        device->driverData,
        sizeInBytes
    );
}

REFRESH_Buffer* REFRESH_GenIndexBuffer(
	REFRESH_Device *device,
	uint32_t sizeInBytes
) {
    NULL_RETURN(device);
    device->GenIndexBuffer(
        device->driverData,
        sizeInBytes
    );
}

REFRESH_Buffer* REFRESH_GenShaderParamBuffer(
	REFRESH_Device *device,
	uint32_t sizeInBytes
) {
    NULL_RETURN(device);
    device->GenShaderParamBuffer(
        device->driverData,
        sizeInBytes
    );
}

void REFRESH_SetTextureData2D(
	REFRESH_Device *device,
	REFRESH_Texture *texture,
	uint32_t x,
	uint32_t y,
	uint32_t w,
	uint32_t h,
	uint32_t level,
	void *data,
	uint32_t dataLengthInBytes
) {
    NULL_RETURN(device);
    device->SetTextureData2D(
        device->driverData,
        texture,
        x,
        y,
        w,
        h,
        level,
        data,
        dataLengthInBytes
    );
}

void REFRESH_SetTextureData3D(
	REFRESH_Device *device,
	REFRESH_Texture *texture,
	uint32_t x,
	uint32_t y,
	uint32_t z,
	uint32_t w,
	uint32_t h,
	uint32_t d,
	uint32_t level,
	void* data,
	uint32_t dataLength
) {
    NULL_RETURN(device);
    device->SetTextureData3D(
        device->driverData,
        texture,
        x,
        y,
        z,
        w,
        h,
        d,
        level,
        data,
        dataLength
    );
}

void REFRESH_SetTextureDataCube(
	REFRESH_Device *device,
	REFRESH_Texture *texture,
	uint32_t x,
	uint32_t y,
	uint32_t w,
	uint32_t h,
	REFRESH_CubeMapFace cubeMapFace,
	uint32_t level,
	void* data,
	uint32_t dataLength
) {
    NULL_RETURN(device);
    device->SetTextureDataCube(
        device->driverData,
        texture,
        x,
        y,
        w,
        h,
        cubeMapFace,
        level,
        data,
        dataLength
    );
}

void REFRESH_SetTextureDataYUV(
	REFRESH_Device *device,
	REFRESH_Texture *y,
	REFRESH_Texture *u,
	REFRESH_Texture *v,
	uint32_t yWidth,
	uint32_t yHeight,
	uint32_t uvWidth,
	uint32_t uvHeight,
	void* data,
	uint32_t dataLength
) {
    NULL_RETURN(device);
    device->SetTextureDataYUV(
        device->driverData,
        y,
        u,
        v,
        yWidth,
        yHeight,
        uvWidth,
        uvHeight,
        data,
        dataLength
    );
}

void REFRESH_SetVertexBufferData(
	REFRESH_Device *device,
	REFRESH_Buffer *buffer,
	uint32_t offsetInBytes,
	void* data,
	uint32_t elementCount,
	uint32_t elementSizeInBytes
) {
    NULL_RETURN(device);
    device->SetVertexBufferData(
        device->driverData,
        buffer,
        offsetInBytes,
        data,
        elementCount,
        elementSizeInBytes
    );
}

void REFRESH_SetIndexBufferData(
	REFRESH_Device *device,
	REFRESH_Buffer *buffer,
	uint32_t offsetInBytes,
	void* data,
	uint32_t dataLength
) {
    NULL_RETURN(device);
    device->SetIndexBufferData(
        device->driverData,
        buffer,
        offsetInBytes,
        data,
        dataLength
    );
}

void REFRESH_SetShaderParamData(
	REFRESH_Device *device,
	REFRESH_Buffer *shaderParamBuffer,
	uint32_t offsetInBytes,
	void *data,
	uint32_t elementCount,
	uint32_t elementSizeInBytes
) {
    NULL_RETURN(device);
    device->SetShaderParamData(
        device->driverData,
        shaderParamBuffer,
        offsetInBytes,
        data,
        elementCount,
        elementSizeInBytes
    );
}

void REFRESH_SetVertexSamplers(
	REFRESH_Device *device,
	uint32_t startIndex,
	REFRESH_Texture *pTextures,
	REFRESH_Sampler *pSamplers,
	uint32_t count
) {
    NULL_RETURN(device);
    device->SetVertexSamplers(
        device->driverData,
        startIndex,
        pTextures,
        pSamplers,
        count
    );
}

void REFRESH_SetFragmentSamplers(
	REFRESH_Device *device,
	uint32_t startIndex,
	REFRESH_Texture *pTextures,
	REFRESH_Sampler *pSamplers,
	uint32_t count
) {
    NULL_RETURN(device);
    device->SetFragmentSamplers(
        device->driverData,
        startIndex,
        pTextures,
        pSamplers,
        count
    );
}

void REFRESH_GetTextureData2D(
	REFRESH_Device *device,
	REFRESH_Texture *texture,
	uint32_t x,
	uint32_t y,
	uint32_t w,
	uint32_t h,
	uint32_t level,
	void* data,
	uint32_t dataLength
) {
    NULL_RETURN(device);
    device->GetTextureData2D(
        device->driverData,
        texture,
        x,
        y,
        w,
        h,
        level,
        data,
        dataLength
    );
}

void REFRESH_GetTextureDataCube(
	REFRESH_Device *device,
	REFRESH_Texture *texture,
	uint32_t x,
	uint32_t y,
	uint32_t w,
	uint32_t h,
	REFRESH_CubeMapFace cubeMapFace,
	uint32_t level,
	void* data,
	uint32_t dataLength
) {
    NULL_RETURN(device);
    device->GetTextureDataCube(
        device->driverData,
        texture,
        x,
        y,
        w,
        h,
        cubeMapFace,
        level,
        data,
        dataLength
    );
}

void REFRESH_AddDisposeTexture(
	REFRESH_Device *device,
	REFRESH_Texture *texture
) {
    NULL_RETURN(device);
    device->AddDisposeTexture(
        device->driverData,
        texture
    );
}

void REFRESH_AddDisposeSampler(
	REFRESH_Device *device,
	REFRESH_Sampler *sampler
) {
    NULL_RETURN(device);
    device->AddDisposeSampler(
        device->driverData,
        sampler
    );
}

void REFRESH_AddDisposeVertexBuffer(
	REFRESH_Device *device,
	REFRESH_Buffer *buffer
) {
    NULL_RETURN(device);
    device->AddDisposeVertexBuffer(
        device->driverData,
        buffer
    );
}

void REFRESH_AddDisposeIndexBuffer(
	REFRESH_Device *device,
	REFRESH_Buffer *buffer
) {
    NULL_RETURN(device);
    device->AddDisposeIndexBuffer(
        device->driverData,
        buffer
    );
}

void REFRESH_AddDisposeShaderParamBuffer(
	REFRESH_Device *device,
	REFRESH_Buffer *buffer
) {
    NULL_RETURN(device);
    device->AddDisposeShaderParamBuffer(
        device->driverData,
        buffer
    );
}

void REFRESH_AddDisposeColorTarget(
	REFRESH_Device *device,
	REFRESH_ColorTarget *colorTarget
) {
    NULL_RETURN(device);
    device->AddDisposeColorTarget(
        device->driverData,
        colorTarget
    );
}

void REFRESH_AddDisposeDepthStencilTarget(
	REFRESH_Device *device,
	REFRESH_DepthStencilTarget *depthStencilTarget
) {
    NULL_RETURN(device);
    device->AddDisposeDepthStencilTarget(
        device->driverData,
        depthStencilTarget
    );
}

void REFRESH_AddDisposeFramebuffer(
	REFRESH_Device *device,
	REFRESH_Framebuffer *frameBuffer
) {
    NULL_RETURN(device);
    device->AddDisposeFramebuffer(
        device->driverData,
        frameBuffer
    );
}

void REFRESH_AddDisposeShaderModule(
	REFRESH_Device *device,
	REFRESH_ShaderModule *shaderModule
) {
    NULL_RETURN(device);
    device->AddDisposeShaderModule(
        device->driverData,
        shaderModule
    );
}

void REFRESH_AddDisposeRenderPass(
	REFRESH_Device *device,
	REFRESH_RenderPass *renderPass
) {
    NULL_RETURN(device);
    device->AddDisposeRenderPass(
        device->driverData,
        renderPass
    );
}

void REFRESH_AddDisposeGraphicsPipeline(
	REFRESH_Device *device,
	REFRESH_GraphicsPipeline *graphicsPipeline
) {
    NULL_RETURN(device);
    device->AddDisposeGraphicsPipeline(
        device->driverData,
        graphicsPipeline
    );
}

void REFRESH_BeginRenderPass(
	REFRESH_Device *device,
	REFRESH_RenderPass *renderPass,
	REFRESH_Framebuffer *framebuffer,
	REFRESH_Rect renderArea,
	REFRESH_ClearValue *pClearValues,
	uint32_t clearCount
) {
    NULL_RETURN(device);
    device->BeginRenderPass(
        device->driverData,
        renderPass,
        framebuffer,
        renderArea,
        pClearValues,
        clearCount
    );
}

void REFRESH_EndRenderPass(
	REFRESH_Device *device
) {
    NULL_RETURN(device);
    device->EndRenderPass(device->driverData);
}

void REFRESH_BindGraphicsPipeline(
	REFRESH_Device *device,
	REFRESH_GraphicsPipeline *graphicsPipeline
) {
    NULL_RETURN(device);
    device->BindGraphicsPipeline(
        device->driverData,
        graphicsPipeline
    );
}

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