Subversion Repositories Kolibri OS

/*

 * Copyright 2011 Joakim Sindholt 

 *

 * 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

 * on the rights to use, copy, modify, merge, publish, distribute, sub

 * license, 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 (including the next

 * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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 "vertexbuffer9.h"

#include "device9.h"

#include "nine_helpers.h"

#include "nine_pipe.h"

#include "pipe/p_screen.h"

#include "pipe/p_context.h"

#include "pipe/p_state.h"

#include "pipe/p_defines.h"

#include "pipe/p_format.h"

#include "util/u_box.h"

#define DBG_CHANNEL DBG_VERTEXBUFFER

HRESULT

NineVertexBuffer9_ctor( struct NineVertexBuffer9 *This,

                        struct NineUnknownParams *pParams,

                        D3DVERTEXBUFFER_DESC *pDesc )

{

    struct pipe_resource *info = &This->base.info;

    HRESULT hr;

    DBG("This=%p Size=0x%x Usage=%x Pool=%u\n", This,

        pDesc->Size, pDesc->Usage, pDesc->Pool);

    user_assert(pDesc->Pool != D3DPOOL_SCRATCH, D3DERR_INVALIDCALL);

    This->maps = MALLOC(sizeof(struct pipe_transfer *));

    if (!This->maps)

        return E_OUTOFMEMORY;

    This->nmaps = 0;

    This->maxmaps = 1;

    This->pipe = pParams->device->pipe;

    info->screen = pParams->device->screen;

    info->target = PIPE_BUFFER;

    info->format = PIPE_FORMAT_R8_UNORM;

    info->width0 = pDesc->Size;

    info->flags = 0;

    info->bind = PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_TRANSFER_WRITE;

    if (!(pDesc->Usage & D3DUSAGE_WRITEONLY))

        info->bind |= PIPE_BIND_TRANSFER_READ;

    info->usage = PIPE_USAGE_DEFAULT;

    if (pDesc->Usage & D3DUSAGE_DYNAMIC)

        info->usage = PIPE_USAGE_STREAM;

    if (pDesc->Pool == D3DPOOL_SYSTEMMEM)

        info->usage = PIPE_USAGE_STAGING;

    /* if (pDesc->Usage & D3DUSAGE_DONOTCLIP) { } */

    /* if (pDesc->Usage & D3DUSAGE_NONSECURE) { } */

    /* if (pDesc->Usage & D3DUSAGE_NPATCHES) { } */

    /* if (pDesc->Usage & D3DUSAGE_POINTS) { } */

    /* if (pDesc->Usage & D3DUSAGE_RTPATCHES) { } */

    if (pDesc->Usage & D3DUSAGE_SOFTWAREPROCESSING)

        DBG("Application asked for Software Vertex Processing, "

            "but this is unimplemented\n");

    /* if (pDesc->Usage & D3DUSAGE_TEXTAPI) { } */

    info->height0 = 1;

    info->depth0 = 1;

    info->array_size = 1;

    info->last_level = 0;

    info->nr_samples = 0;

    hr = NineResource9_ctor(&This->base, pParams, NULL, TRUE,

                            D3DRTYPE_VERTEXBUFFER, pDesc->Pool, pDesc->Usage);

    if (FAILED(hr))

        return hr;

    pDesc->Type = D3DRTYPE_VERTEXBUFFER;

    pDesc->Format = D3DFMT_VERTEXDATA;

    This->desc = *pDesc;

    return D3D_OK;

}

void

NineVertexBuffer9_dtor( struct NineVertexBuffer9 *This )

{

    if (This->maps) {

        while (This->nmaps) {

            NineVertexBuffer9_Unlock(This);

        }

        FREE(This->maps);

    }

    NineResource9_dtor(&This->base);

}

HRESULT WINAPI

NineVertexBuffer9_Lock( struct NineVertexBuffer9 *This,

                        UINT OffsetToLock,

                        UINT SizeToLock,

                        void **ppbData,

                        DWORD Flags )

{

    struct pipe_box box;

    void *data;

    const unsigned usage = d3dlock_buffer_to_pipe_transfer_usage(Flags);

    DBG("This=%p(pipe=%p) OffsetToLock=0x%x, SizeToLock=0x%x, Flags=0x%x\n",

        This, This->base.resource,

        OffsetToLock, SizeToLock, Flags);

    user_assert(ppbData, E_POINTER);

    user_assert(!(Flags & ~(D3DLOCK_DISCARD |

                            D3DLOCK_DONOTWAIT |

                            D3DLOCK_NO_DIRTY_UPDATE |

                            D3DLOCK_NOSYSLOCK |

                            D3DLOCK_READONLY |

                            D3DLOCK_NOOVERWRITE)), D3DERR_INVALIDCALL);

    if (This->nmaps == This->maxmaps) {

        struct pipe_transfer **newmaps =

            REALLOC(This->maps, sizeof(struct pipe_transfer *)*This->maxmaps,

                    sizeof(struct pipe_transfer *)*(This->maxmaps << 1));

        if (newmaps == NULL)

            return E_OUTOFMEMORY;

        This->maxmaps <<= 1;

        This->maps = newmaps;

    }

    if (SizeToLock == 0) {

        SizeToLock = This->desc.Size - OffsetToLock;

        user_warn(OffsetToLock != 0);

    }

    u_box_1d(OffsetToLock, SizeToLock, &box);

    data = This->pipe->transfer_map(This->pipe, This->base.resource, 0,

                                    usage, &box, &This->maps[This->nmaps]);

    if (!data) {

        DBG("pipe::transfer_map failed\n"

            " usage = %x\n"

            " box.x = %u\n"

            " box.width = %u\n",

            usage, box.x, box.width);

        /* not sure what to return, msdn suggests this */

        if (Flags & D3DLOCK_DONOTWAIT)

            return D3DERR_WASSTILLDRAWING;

        return D3DERR_INVALIDCALL;

    }

    This->nmaps++;

    *ppbData = data;

    return D3D_OK;

}

HRESULT WINAPI

NineVertexBuffer9_Unlock( struct NineVertexBuffer9 *This )

{

    DBG("This=%p\n", This);

    user_assert(This->nmaps > 0, D3DERR_INVALIDCALL);

    This->pipe->transfer_unmap(This->pipe, This->maps[--(This->nmaps)]);

    return D3D_OK;

}

HRESULT WINAPI

NineVertexBuffer9_GetDesc( struct NineVertexBuffer9 *This,

                           D3DVERTEXBUFFER_DESC *pDesc )

{

    user_assert(pDesc, E_POINTER);

    *pDesc = This->desc;

    return D3D_OK;

}

IDirect3DVertexBuffer9Vtbl NineVertexBuffer9_vtable = {

    (void *)NineUnknown_QueryInterface,

    (void *)NineUnknown_AddRef,

    (void *)NineUnknown_Release,

    (void *)NineUnknown_GetDevice, /* actually part of Resource9 iface */

    (void *)NineResource9_SetPrivateData,

    (void *)NineResource9_GetPrivateData,

    (void *)NineResource9_FreePrivateData,

    (void *)NineResource9_SetPriority,

    (void *)NineResource9_GetPriority,

    (void *)NineResource9_PreLoad,

    (void *)NineResource9_GetType,

    (void *)NineVertexBuffer9_Lock,

    (void *)NineVertexBuffer9_Unlock,

    (void *)NineVertexBuffer9_GetDesc

};

static const GUID *NineVertexBuffer9_IIDs[] = {

    &IID_IDirect3DVertexBuffer9,

    &IID_IDirect3DResource9,

    &IID_IUnknown,

    NULL

};

HRESULT

NineVertexBuffer9_new( struct NineDevice9 *pDevice,

                       D3DVERTEXBUFFER_DESC *pDesc,

                       struct NineVertexBuffer9 **ppOut )

{

    NINE_DEVICE_CHILD_NEW(VertexBuffer9, ppOut, /* args */ pDevice, pDesc);

}