/*
 * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
 * SPDX-License-Identifier: MIT
 */

#ifndef _NINE_SURFACE9_H_
#define _NINE_SURFACE9_H_

#include "nine_memory_helper.h"
#include "resource9.h"

#include "pipe/p_state.h"
#include "util/list.h"
#include "util/u_rect.h"
#include "util/u_inlines.h"

struct NineSurface9
{
    struct NineResource9 base;

    /* G3D state */
    struct pipe_transfer *transfer;
    struct pipe_surface *surface[2]; /* created on-demand (linear, sRGB) */
    int lock_count;
    uint8_t texture; /* rtype of container BaseTex or 0 */

    /* resource description */
    unsigned level;        /* refers to the pipe_resource (SetLOD !) */
    unsigned level_actual; /* refers to the NineTexture */
    unsigned layer;
    D3DSURFACE_DESC desc;

    struct nine_allocation *data; /* system memory backing */
    struct nine_allocation *data_internal; /* for conversions */
    enum pipe_format format_internal;
    unsigned stride; /* for system memory backing */
    unsigned stride_internal;

    unsigned pending_uploads_counter; /* pending uploads */
};
static inline struct NineSurface9 *
NineSurface9( void *data )
{
    return (struct NineSurface9 *)data;
}

HRESULT
NineSurface9_new( struct NineDevice9 *pDevice,
                  struct NineUnknown *pContainer,
                  struct pipe_resource *pResource,
                  struct nine_allocation *user_buffer,
                  uint8_t TextureType, /* 0 if pContainer isn't BaseTexure9 */
                  unsigned Level,
                  unsigned Layer,
                  D3DSURFACE_DESC *pDesc,
                  struct NineSurface9 **ppOut );

HRESULT
NineSurface9_ctor( struct NineSurface9 *This,
                   struct NineUnknownParams *pParams,
                   struct NineUnknown *pContainer,
                   struct pipe_resource *pResource,
                   struct nine_allocation *user_buffer,
                   uint8_t TextureType,
                   unsigned Level,
                   unsigned Layer,
                   D3DSURFACE_DESC *pDesc );

void
NineSurface9_dtor( struct NineSurface9 *This );

/*** Nine private ***/

void
NineSurface9_MarkContainerDirty( struct NineSurface9 *This );

static inline struct pipe_surface *
NineSurface9_GetSurface( struct NineSurface9 *This, int sRGB )
{
    assert(This->surface[sRGB]);
    return This->surface[sRGB];
}

static inline struct pipe_resource *
NineSurface9_GetResource( struct NineSurface9 *This )
{
    return This->base.resource;
}

void
NineSurface9_SetResource( struct NineSurface9 *This,
                          struct pipe_resource *resource, unsigned level );

void
NineSurface9_SetMultiSampleType( struct NineSurface9 *This,
                                 D3DMULTISAMPLE_TYPE mst );

void
NineSurface9_SetResourceResize( struct NineSurface9 *This,
                                struct pipe_resource *resource );

void
NineSurface9_AddDirtyRect( struct NineSurface9 *This,
                           const struct pipe_box *box );

HRESULT
NineSurface9_UploadSelf( struct NineSurface9 *This,
                         const struct pipe_box *damaged );

void
NineSurface9_CopyMemToDefault( struct NineSurface9 *This,
                               struct NineSurface9 *From,
                               const POINT *pDestPoint,
                               const RECT *pSourceRect );

void
NineSurface9_CopyDefaultToMem( struct NineSurface9 *This,
                               struct NineSurface9 *From );

static inline bool
NineSurface9_IsOffscreenPlain (struct NineSurface9 *This )
{
    return This->base.usage == 0 && !This->texture;
}

#if MESA_DEBUG || !defined(NDEBUG)
void
NineSurface9_Dump( struct NineSurface9 *This );
#else
static inline void
NineSurface9_Dump( struct NineSurface9 *This ) { }
#endif

/*** Direct3D public ***/

HRESULT NINE_WINAPI
NineSurface9_GetContainer( struct NineSurface9 *This,
                           REFIID riid,
                           void **ppContainer );

HRESULT NINE_WINAPI
NineSurface9_GetDesc( struct NineSurface9 *This,
                      D3DSURFACE_DESC *pDesc );

HRESULT NINE_WINAPI
NineSurface9_LockRect( struct NineSurface9 *This,
                       D3DLOCKED_RECT *pLockedRect,
                       const RECT *pRect,
                       DWORD Flags );

HRESULT NINE_WINAPI
NineSurface9_UnlockRect( struct NineSurface9 *This );

HRESULT NINE_WINAPI
NineSurface9_GetDC( struct NineSurface9 *This,
                    HDC *phdc );

HRESULT NINE_WINAPI
NineSurface9_ReleaseDC( struct NineSurface9 *This,
                        HDC hdc );

#endif /* _NINE_SURFACE9_H_ */