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shader.c

/*
 * Copyright 2009 Henri Verbeet for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 *
 */

#include "config.h"
#include "wine/port.h"

#include "d3d10core_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(d3d10core);

static HRESULT shdr_handler(const char *data, DWORD data_size, DWORD tag, void *ctx)
{
    struct d3d10_shader_info *shader_info = ctx;
    char tag_str[5];
    HRESULT hr;

    switch(tag)
    {
        case TAG_OSGN:
            hr = shader_parse_signature(data, data_size, shader_info->output_signature);
            if (FAILED(hr)) return hr;
            break;

        case TAG_SHDR:
            shader_info->shader_code = (const DWORD *)data;
            break;

        default:
            memcpy(tag_str, &tag, 4);
            tag_str[4] = '\0';
            FIXME("Unhandled chunk %s\n", tag_str);
            break;
    }

    return S_OK;
}

HRESULT shader_extract_from_dxbc(const void *dxbc, SIZE_T dxbc_length, struct d3d10_shader_info *shader_info)
{
    HRESULT hr;

    shader_info->shader_code = NULL;
    memset(shader_info->output_signature, 0, sizeof(*shader_info->output_signature));

    hr = parse_dxbc(dxbc, dxbc_length, shdr_handler, shader_info);
    if (!shader_info->shader_code) hr = E_FAIL;

    if (FAILED(hr))
    {
        ERR("Failed to parse shader, hr %#x\n", hr);
        shader_free_signature(shader_info->output_signature);
    }

    return hr;
}

HRESULT shader_parse_signature(const char *data, DWORD data_size, struct wined3d_shader_signature *s)
{
    struct wined3d_shader_signature_element *e;
    unsigned int string_data_offset;
    unsigned int string_data_size;
    const char *ptr = data;
    char *string_data;
    unsigned int i;
    DWORD count;

    read_dword(&ptr, &count);
    TRACE("%u elements\n", count);

    skip_dword_unknown(&ptr, 1);

    e = HeapAlloc(GetProcessHeap(), 0, count * sizeof(*e));
    if (!e)
    {
        ERR("Failed to allocate input signature memory.\n");
        return E_OUTOFMEMORY;
    }

    /* 2 DWORDs for the header, 6 for each element. */
    string_data_offset = 2 * sizeof(DWORD) + count * 6 * sizeof(DWORD);
    string_data_size = data_size - string_data_offset;
    string_data = HeapAlloc(GetProcessHeap(), 0, string_data_size);
    if (!string_data)
    {
        ERR("Failed to allocate string data memory.\n");
        HeapFree(GetProcessHeap(), 0, e);
        return E_OUTOFMEMORY;
    }
    memcpy(string_data, data + string_data_offset, string_data_size);

    for (i = 0; i < count; ++i)
    {
        UINT name_offset;

        read_dword(&ptr, &name_offset);
        e[i].semantic_name = string_data + (name_offset - string_data_offset);
        read_dword(&ptr, &e[i].semantic_idx);
        read_dword(&ptr, &e[i].sysval_semantic);
        read_dword(&ptr, &e[i].component_type);
        read_dword(&ptr, &e[i].register_idx);
        read_dword(&ptr, &e[i].mask);

        TRACE("semantic: %s, semantic idx: %u, sysval_semantic %#x, "
                "type %u, register idx: %u, use_mask %#x, input_mask %#x\n",
                e[i].semantic_name, e[i].semantic_idx, e[i].sysval_semantic, e[i].component_type,
                e[i].register_idx, (e[i].mask >> 8) & 0xff, e[i].mask & 0xff);
    }

    s->elements = e;
    s->element_count = count;
    s->string_data = string_data;

    return S_OK;
}

void shader_free_signature(struct wined3d_shader_signature *s)
{
    HeapFree(GetProcessHeap(), 0, s->string_data);
    HeapFree(GetProcessHeap(), 0, s->elements);
}

/* IUnknown methods */

static HRESULT STDMETHODCALLTYPE d3d10_vertex_shader_QueryInterface(ID3D10VertexShader *iface,
        REFIID riid, void **object)
{
    TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);

    if (IsEqualGUID(riid, &IID_ID3D10VertexShader)
            || IsEqualGUID(riid, &IID_ID3D10DeviceChild)
            || IsEqualGUID(riid, &IID_IUnknown))
    {
        IUnknown_AddRef(iface);
        *object = iface;
        return S_OK;
    }

    WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));

    *object = NULL;
    return E_NOINTERFACE;
}

static ULONG STDMETHODCALLTYPE d3d10_vertex_shader_AddRef(ID3D10VertexShader *iface)
{
    struct d3d10_vertex_shader *This = (struct d3d10_vertex_shader *)iface;
    ULONG refcount = InterlockedIncrement(&This->refcount);

    TRACE("%p increasing refcount to %u\n", This, refcount);

    return refcount;
}

static ULONG STDMETHODCALLTYPE d3d10_vertex_shader_Release(ID3D10VertexShader *iface)
{
    struct d3d10_vertex_shader *This = (struct d3d10_vertex_shader *)iface;
    ULONG refcount = InterlockedDecrement(&This->refcount);

    TRACE("%p decreasing refcount to %u\n", This, refcount);

    if (!refcount)
    {
        IWineD3DVertexShader_Release(This->wined3d_shader);
        shader_free_signature(&This->output_signature);
        HeapFree(GetProcessHeap(), 0, This);
    }

    return refcount;
}

/* ID3D10DeviceChild methods */

static void STDMETHODCALLTYPE d3d10_vertex_shader_GetDevice(ID3D10VertexShader *iface, ID3D10Device **device)
{
    FIXME("iface %p, device %p stub!\n", iface, device);
}

static HRESULT STDMETHODCALLTYPE d3d10_vertex_shader_GetPrivateData(ID3D10VertexShader *iface,
        REFGUID guid, UINT *data_size, void *data)
{
    FIXME("iface %p, guid %s, data_size %p, data %p stub!\n",
            iface, debugstr_guid(guid), data_size, data);

    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE d3d10_vertex_shader_SetPrivateData(ID3D10VertexShader *iface,
        REFGUID guid, UINT data_size, const void *data)
{
    FIXME("iface %p, guid %s, data_size %u, data %p stub!\n",
            iface, debugstr_guid(guid), data_size, data);

    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE d3d10_vertex_shader_SetPrivateDataInterface(ID3D10VertexShader *iface,
        REFGUID guid, const IUnknown *data)
{
    FIXME("iface %p, guid %s, data %p stub!\n", iface, debugstr_guid(guid), data);

    return E_NOTIMPL;
}

const struct ID3D10VertexShaderVtbl d3d10_vertex_shader_vtbl =
{
    /* IUnknown methods */
    d3d10_vertex_shader_QueryInterface,
    d3d10_vertex_shader_AddRef,
    d3d10_vertex_shader_Release,
    /* ID3D10DeviceChild methods */
    d3d10_vertex_shader_GetDevice,
    d3d10_vertex_shader_GetPrivateData,
    d3d10_vertex_shader_SetPrivateData,
    d3d10_vertex_shader_SetPrivateDataInterface,
};

/* IUnknown methods */

static HRESULT STDMETHODCALLTYPE d3d10_geometry_shader_QueryInterface(ID3D10GeometryShader *iface,
        REFIID riid, void **object)
{
    TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);

    if (IsEqualGUID(riid, &IID_ID3D10GeometryShader)
            || IsEqualGUID(riid, &IID_ID3D10DeviceChild)
            || IsEqualGUID(riid, &IID_IUnknown))
    {
        IUnknown_AddRef(iface);
        *object = iface;
        return S_OK;
    }

    WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));

    *object = NULL;
    return E_NOINTERFACE;
}

static ULONG STDMETHODCALLTYPE d3d10_geometry_shader_AddRef(ID3D10GeometryShader *iface)
{
    struct d3d10_geometry_shader *This = (struct d3d10_geometry_shader *)iface;
    ULONG refcount = InterlockedIncrement(&This->refcount);

    TRACE("%p increasing refcount to %u\n", This, refcount);

    return refcount;
}

static ULONG STDMETHODCALLTYPE d3d10_geometry_shader_Release(ID3D10GeometryShader *iface)
{
    struct d3d10_geometry_shader *This = (struct d3d10_geometry_shader *)iface;
    ULONG refcount = InterlockedDecrement(&This->refcount);

    TRACE("%p decreasing refcount to %u\n", This, refcount);

    if (!refcount)
    {
        HeapFree(GetProcessHeap(), 0, This);
    }

    return refcount;
}

/* ID3D10DeviceChild methods */

static void STDMETHODCALLTYPE d3d10_geometry_shader_GetDevice(ID3D10GeometryShader *iface, ID3D10Device **device)
{
    FIXME("iface %p, device %p stub!\n", iface, device);
}

static HRESULT STDMETHODCALLTYPE d3d10_geometry_shader_GetPrivateData(ID3D10GeometryShader *iface,
        REFGUID guid, UINT *data_size, void *data)
{
    FIXME("iface %p, guid %s, data_size %p, data %p stub!\n",
            iface, debugstr_guid(guid), data_size, data);

    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE d3d10_geometry_shader_SetPrivateData(ID3D10GeometryShader *iface,
        REFGUID guid, UINT data_size, const void *data)
{
    FIXME("iface %p, guid %s, data_size %u, data %p stub!\n",
            iface, debugstr_guid(guid), data_size, data);

    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE d3d10_geometry_shader_SetPrivateDataInterface(ID3D10GeometryShader *iface,
        REFGUID guid, const IUnknown *data)
{
    FIXME("iface %p, guid %s, data %p stub!\n", iface, debugstr_guid(guid), data);

    return E_NOTIMPL;
}

const struct ID3D10GeometryShaderVtbl d3d10_geometry_shader_vtbl =
{
    /* IUnknown methods */
    d3d10_geometry_shader_QueryInterface,
    d3d10_geometry_shader_AddRef,
    d3d10_geometry_shader_Release,
    /* ID3D10DeviceChild methods */
    d3d10_geometry_shader_GetDevice,
    d3d10_geometry_shader_GetPrivateData,
    d3d10_geometry_shader_SetPrivateData,
    d3d10_geometry_shader_SetPrivateDataInterface,
};

/* IUnknown methods */

static HRESULT STDMETHODCALLTYPE d3d10_pixel_shader_QueryInterface(ID3D10PixelShader *iface,
        REFIID riid, void **object)
{
    TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);

    if (IsEqualGUID(riid, &IID_ID3D10PixelShader)
            || IsEqualGUID(riid, &IID_ID3D10DeviceChild)
            || IsEqualGUID(riid, &IID_IUnknown))
    {
        IUnknown_AddRef(iface);
        *object = iface;
        return S_OK;
    }

    WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));

    *object = NULL;
    return E_NOINTERFACE;
}

static ULONG STDMETHODCALLTYPE d3d10_pixel_shader_AddRef(ID3D10PixelShader *iface)
{
    struct d3d10_pixel_shader *This = (struct d3d10_pixel_shader *)iface;
    ULONG refcount = InterlockedIncrement(&This->refcount);

    TRACE("%p increasing refcount to %u\n", This, refcount);

    return refcount;
}

static ULONG STDMETHODCALLTYPE d3d10_pixel_shader_Release(ID3D10PixelShader *iface)
{
    struct d3d10_pixel_shader *This = (struct d3d10_pixel_shader *)iface;
    ULONG refcount = InterlockedDecrement(&This->refcount);

    TRACE("%p decreasing refcount to %u\n", This, refcount);

    if (!refcount)
    {
        IWineD3DPixelShader_Release(This->wined3d_shader);
        shader_free_signature(&This->output_signature);
        HeapFree(GetProcessHeap(), 0, This);
    }

    return refcount;
}

/* ID3D10DeviceChild methods */

static void STDMETHODCALLTYPE d3d10_pixel_shader_GetDevice(ID3D10PixelShader *iface, ID3D10Device **device)
{
    FIXME("iface %p, device %p stub!\n", iface, device);
}

static HRESULT STDMETHODCALLTYPE d3d10_pixel_shader_GetPrivateData(ID3D10PixelShader *iface,
        REFGUID guid, UINT *data_size, void *data)
{
    FIXME("iface %p, guid %s, data_size %p, data %p stub!\n",
            iface, debugstr_guid(guid), data_size, data);

    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE d3d10_pixel_shader_SetPrivateData(ID3D10PixelShader *iface,
        REFGUID guid, UINT data_size, const void *data)
{
    FIXME("iface %p, guid %s, data_size %u, data %p stub!\n",
            iface, debugstr_guid(guid), data_size, data);

    return E_NOTIMPL;
}

static HRESULT STDMETHODCALLTYPE d3d10_pixel_shader_SetPrivateDataInterface(ID3D10PixelShader *iface,
        REFGUID guid, const IUnknown *data)
{
    FIXME("iface %p, guid %s, data %p stub!\n", iface, debugstr_guid(guid), data);

    return E_NOTIMPL;
}

const struct ID3D10PixelShaderVtbl d3d10_pixel_shader_vtbl =
{
    /* IUnknown methods */
    d3d10_pixel_shader_QueryInterface,
    d3d10_pixel_shader_AddRef,
    d3d10_pixel_shader_Release,
    /* ID3D10DeviceChild methods */
    d3d10_pixel_shader_GetDevice,
    d3d10_pixel_shader_GetPrivateData,
    d3d10_pixel_shader_SetPrivateData,
    d3d10_pixel_shader_SetPrivateDataInterface,
};

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