// The MIT License (MIT)
//
// Copyright (c) 2015 Johan Johansson
//
// 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.

//! Structures provided by DXGI.
//!
//! # References
//! [DXGI Structures, MSDN]
//! (https://msdn.microsoft.com/en-us/library/windows/desktop/ff471323(v=vs.85).aspx)

// TODO: verify that all struct fields are in the right order,
// as that is the only thing that matters when doing FFI

#![allow(non_snake_case, dead_code, non_camel_case_types)]

use winapi::{ WCHAR, UINT, SIZE_T,
	LUID, LARGE_INTEGER, BOOL,
	FLOAT, RECT, HMONITOR,
	POINT, HANDLE, INT,
	BYTE, HWND, c_char,
	c_float, c_int };

use constants::*;
use enumerations::*;

pub type DXGI_INFO_QUEUE_MESSAGE_ID = c_int;

#[repr(C)] pub struct DXGI_ADAPTER_DESC {
	pub Description: [WCHAR; 128],
	pub VendorId: UINT,
	pub DeviceId: UINT,
	pub SubSysId: UINT,
	pub Revision: UINT,
	pub DedicatedVideoMemory: SIZE_T,
	pub DedicatedSystemMemory: SIZE_T,
	pub SharedSystemMemory: SIZE_T,
	pub AdapterLuid: LUID,
}

#[repr(C)] pub struct DXGI_ADAPTER_DESC1 {
	pub Description: [WCHAR; 128],
	pub VendorId: UINT,
	pub DeviceId: UINT,
	pub SubSysId: UINT,
	pub Revision: UINT,
	pub DedicatedVideoMemory: SIZE_T,
	pub DedicatedSystemMemory: SIZE_T,
	pub SharedSystemMemory: SIZE_T,
	pub AdapterLuid: LUID,
	pub Flags: UINT,
}

#[repr(C)] pub struct DXGI_ADAPTER_DESC2 {
	pub Description: [WCHAR; 128],
	pub VendorId: UINT,
	pub DeviceId: UINT,
	pub SubSysId: UINT,
	pub Revision: UINT,
	pub DedicatedVideoMemory: SIZE_T,
	pub DedicatedSystemMemory: SIZE_T,
	pub SharedSystemMemory: SIZE_T,
	pub AdapterLuid: LUID,
	pub Flags: UINT,
	pub GraphicsPreemptionGranularity: DXGI_GRAPHICS_PREEMPTION_GRANULARITY,
	pub ComputePreemptionGranularity: DXGI_COMPUTE_PREEMPTION_GRANULARITY,
}

#[repr(C)] pub struct DXGI_DECODE_SWAP_CHAIN_DESC {
	pub Flags: UINT,
}

#[repr(C)] pub struct DXGI_FRAME_STATISTICS {
	pub PresentCount: UINT,
	pub PresentRefreshCount: UINT,
	pub SyncRefreshCount: UINT,
	pub SyncQPCTime: LARGE_INTEGER,
	pub SyncGPUTime: LARGE_INTEGER,
}

#[repr(C)] pub struct DXGI_FRAME_STATISTICS_MEDIA {
	pub PresentCount: UINT,
	pub PresentRefreshCount: UINT,
	pub SyncRefreshCount: UINT,
	pub SyncQPCTime: LARGE_INTEGER,
	pub SyncGPUTime: LARGE_INTEGER,
	pub CompositionMode: DXGI_FRAME_PRESENTATION_MODE,
	pub ApprovedPresentDuration: UINT,
}

#[repr(C)] pub struct DXGI_GAMMA_CONTROL {
	pub Scale: DXGI_RGB,
	pub Offset: DXGI_RGB,
	pub GammaCurve: [DXGI_RGB; 1025],
}

#[repr(C)] pub struct DXGI_GAMMA_CONTROL_CAPABILITIES {
	pub ScaleAndOffsetSupported: BOOL,
	pub MaxConvertedValue: c_float,
	pub MinConvertedValue: c_float,
	pub NumGammaControlPoints: UINT,
	pub ControlPointPositions: [c_float; 1025],
}

#[repr(C)] pub struct DXGI_INFO_QUEUE_FILTER {
	pub AllowList: DXGI_INFO_QUEUE_FILTER_DESC,
	pub DenyList: DXGI_INFO_QUEUE_FILTER_DESC,
}

#[repr(C)] pub struct DXGI_INFO_QUEUE_FILTER_DESC {
	pub NumCategories: UINT,
	pub pCategoryList: DXGI_INFO_QUEUE_MESSAGE_CATEGORY,
	pub NumSeverities: UINT,
	pub pSeverityList: DXGI_INFO_QUEUE_MESSAGE_SEVERITY,
	pub NumIDs: UINT,
	pub pIDList: DXGI_INFO_QUEUE_MESSAGE_ID,
}

#[repr(C)] pub struct DXGI_INFO_QUEUE_MESSAGE {
	pub Producer: DXGI_DEBUG_ID,
	pub Category: DXGI_INFO_QUEUE_MESSAGE_CATEGORY,
	pub Severity: DXGI_INFO_QUEUE_MESSAGE_SEVERITY,
	pub ID: DXGI_INFO_QUEUE_MESSAGE_ID,
	pub pDescription: *const c_char,
	pub DescriptionByteLength: SIZE_T,
}

#[repr(C)] pub struct DXGI_MATRIX_3X2_F {
	pub _11: FLOAT,
	pub _12: FLOAT,
	pub _21: FLOAT,
	pub _22: FLOAT,
	pub _31: FLOAT,
	pub _32: FLOAT,
}

#[repr(C)] pub struct DXGI_MAPPED_RECT {
	pub Pitch: INT,
	pub pBits: *mut BYTE,
}

#[repr(C)] pub struct DXGI_MODE_DESC {
	pub Width: UINT,
	pub Height: UINT,
	pub RefreshRate: DXGI_RATIONAL,
	pub Format: DXGI_FORMAT,
	pub ScanlineOrdering: DXGI_MODE_SCANLINE_ORDER,
	pub Scaling: DXGI_MODE_SCALING,
}

#[repr(C)] pub struct DXGI_MODE_DESC1 {
	pub Width: UINT,
	pub Height: UINT,
	pub RefreshRate: DXGI_RATIONAL,
	pub Format: DXGI_FORMAT,
	pub ScanlineOrdering: DXGI_MODE_SCANLINE_ORDER,
	pub Scaling: DXGI_MODE_SCALING,
	pub Stereo: BOOL,
}

#[repr(C)] pub struct DXGI_OUTPUT_DESC {
	pub DeviceName: [WCHAR; 32],
	pub DesktopCoordinates: RECT,
	pub AttachedToDesktop: BOOL,
	pub Rotation: DXGI_MODE_ROTATION,
	pub Monitor: HMONITOR,
}

#[repr(C)] pub struct DXGI_OUTDUPL_DESC {
	pub ModeDesc: DXGI_MODE_DESC,
	pub Rotation: DXGI_MODE_ROTATION,
	pub DesktopImageInSystemMemory: BOOL,
}

#[repr(C)] pub struct DXGI_OUTDUPL_FRAME_INFO {
	pub LastPresentTime: LARGE_INTEGER,
	pub LastMouseUpdateTime: LARGE_INTEGER,
	pub AccumulatedFrames: UINT,
	pub RectsCoalesced: BOOL,
	pub ProtectedContentMaskedOut: BOOL,
	pub PointerPosition: DXGI_OUTDUPL_POINTER_POSITION,
	pub TotalMetadataBufferSize: UINT,
	pub PointerShapeBufferSize: UINT,
}

#[repr(C)] pub struct DXGI_OUTDUPL_MOVE_RECT {
	pub SourcePoint: POINT,
	pub DestinationRect: RECT,
}

#[repr(C)] pub struct DXGI_OUTDUPL_POINTER_POSITION {
	pub Position: POINT,
	pub Visible: BOOL,
}

#[repr(C)] pub struct DXGI_OUTDUPL_POINTER_SHAPE_INFO {
	pub Type: UINT,
	pub Width: UINT,
	pub Height: UINT,
	pub Pitch: UINT,
	pub HotSpot: POINT,
}

#[repr(C)] pub struct DXGI_PRESENT_PARAMETERS {
	pub DirtyRectsCount: UINT,
	pub pDirtyRects: RECT,
	pub pScrollRect: RECT,
	pub pScrollOffset: POINT,
}

#[repr(C)] pub struct DXGI_RATIONAL {
	pub Numerator: UINT,
	pub Denominator: UINT,
}

#[repr(C)] pub struct DXGI_RGB {
	pub Red: c_float,
	pub Green: c_float,
	pub Blue: c_float,
}

#[repr(C)] pub struct DXGI_RGBA {
	pub r: c_float,
	pub g: c_float,
	pub b: c_float,
	pub a: c_float,
}

#[repr(C)] pub struct DXGI_SAMPLE_DESC {
	pub Count: UINT,
	pub Quality: UINT,
}

#[repr(C)] pub struct DXGI_SHARED_RESOURCE {
	pub Handle: HANDLE,
}

#[repr(C)] pub struct DXGI_SURFACE_DESC {
	pub Width: UINT,
	pub Height: UINT,
	pub Format: DXGI_FORMAT,
	pub SampleDesc: DXGI_SAMPLE_DESC,
}

#[repr(C)] pub struct DXGI_SWAP_CHAIN_DESC {
	pub BufferDesc: DXGI_MODE_DESC,
	pub SampleDesc: DXGI_SAMPLE_DESC,
	pub BufferUsage: DXGI_USAGE,
	pub BufferCount: UINT,
	pub OutputWindow: HWND,
	pub Windowed: BOOL,
	pub SwapEffect: DXGI_SWAP_EFFECT,
	pub Flags: UINT,
}

#[repr(C)] pub struct DXGI_SWAP_CHAIN_DESC1 {
	pub Width: UINT,
	pub Height: UINT,
	pub Format: DXGI_FORMAT,
	pub Stereo: BOOL,
	pub SampleDesc: DXGI_SAMPLE_DESC,
	pub BufferUsage: DXGI_USAGE,
	pub BufferCount: UINT,
	pub Scaling: DXGI_SCALING,
	pub SwapEffect: DXGI_SWAP_EFFECT,
	pub AlphaMode: DXGI_ALPHA_MODE,
	pub Flags: UINT,
}

#[repr(C)] pub struct DXGI_SWAP_CHAIN_FULLSCREEN_DESC {
	pub RefreshRate: DXGI_RATIONAL,
	pub ScanlineOrdering: DXGI_MODE_SCANLINE_ORDER,
	pub Scaling: DXGI_MODE_SCALING,
	pub Windowed: BOOL,
}