Subversion Repositories Kolibri OS

#include 

#include "i915_drm.h"

#include "i915_drv.h"

#include "intel_drv.h"

#include "bitmap.h"

#define DRIVER_CAPS_1   0

{

    printf("destroy bitmap %d\n", bitmap->handle);

    free_handle(&bm_man, bitmap->handle);

    bitmap->handle = 0;

    bitmap->obj->base.read_domains = I915_GEM_DOMAIN_GTT;

    bitmap->obj->base.write_domain = I915_GEM_DOMAIN_CPU;

    drm_gem_object_unreference(&bitmap->obj->base);

    mutex_unlock(&main_device->struct_mutex);

};

{

    int ret;

};

{

    struct drm_i915_gem_object *obj;

    u32         handle;

    u32         width, max_width;

    u32         height, max_height;

    u32         size,  max_size;

    u32         pitch, max_pitch;

    void       *uaddr;

    pbitmap->data   = (void*)-1;

    height = pbitmap->height;

    if((width==0)||(height==0)||(width>4096)||(height>4096))

        goto err1;

         (pbitmap->max_width < width)) ||

         (pbitmap->max_width > 4096) )

        goto err1;

         (pbitmap->max_height < width)) ||

         (pbitmap->max_height > 4096) )

        goto err1;

        goto err1;

*/

    max_height = (pbitmap->max_height==0) ? height : pbitmap->max_height;

//    printf("%s %d\n",__FUNCTION__, handle);

        goto err1;

    bitmap->handle = handle;

    bitmap->header.destroy = destroy_bitmap;

    bitmap->obj    = NULL;

    if( bitmap == NULL)

        goto err1;

    if (obj == NULL)

        goto err2;

    if (ret)

        goto err3;

    max_size =  roundup(max_pitch*max_height, PAGE_SIZE);

    if( uaddr == NULL)

        goto err4;

    else

    {

        u32_t *src, *dst;

        u32 count, max_count;

        dst =  &((u32_t*)page_tabs)[(u32_t)uaddr >> 12];

        count = size/4096;

        max_count = max_size/4096 - count;

        {

            *dst++ = (0xFFFFF000 & *src++) | 0x207 ; // map as shared page

        };

        while(max_count--)

            *dst++ = 0;                              // cleanup unused space

    }

    bitmap->uaddr  = uaddr;

    bitmap->pitch  = pitch;

    bitmap->gaddr  = obj->gtt_offset;

    bitmap->height = height;

    bitmap->max_width  = max_width;

    bitmap->max_height = max_height;

    bitmap->header.destroy = destroy_bitmap;

    pbitmap->data   = uaddr;

    pbitmap->pitch  = pitch;

            __FUNCTION__, handle, pitch, obj->gtt_offset, uaddr);

    i915_gem_object_unpin(obj);

err3:

    drm_gem_object_unreference(&obj->base);

err2:

    free_handle(&bm_man, handle);

    __DestroyObject(bitmap);

err1:

    return -1;

{

    u32* data;

    if(data)

    {

        int i;

            data[i] = ++i;

        data[i] = 0;

        man->next  = 0;

        man->avail = count;

        man->count = count;

    };

    return -ENOMEM;

};

{

    u32 handle = 0;

    {

        handle = man->next;

        man->next = man->table[handle];

        man->avail--;

        handle++;

    }

    return handle;

};

{

    int ret = -1;

    {

        man->table[handle] = man->next;

        man->next = handle;

        man->avail++;

        ret = 0;

    };

};

{

    u8 *kaddr;

    if( kaddr != NULL)

    {

        u32_t *src = (u32_t*)obj->pages;

        u32_t *dst = &((u32_t*)page_tabs)[(u32_t)kaddr >> 12];

        {

            *dst++ = (0xFFFFF000 & *src++) | 0x003 ;

        };

        return kaddr;

    };

    return NULL;

}

{

    struct drm_i915_gem_object *obj = (void*)handle;

    drm_gem_object_unreference(&obj->base);

{

    struct drm_i915_gem_object *obj = (void*)handle;

    u8    *dst;

    int    ret;

    if (ret)

        return;

    if( dst != NULL )

    {

        memmove(dst+offset, src, size);

        FreeKernelSpace(dst);

    };

};

{

    struct drm_i915_gem_object *obj = (void*)handle;

};

{

    int ret = 0;

    ENTER();

    {

        case 0:

            caps->opt[0] = DRIVER_CAPS_0;

            caps->opt[1] = DRIVER_CAPS_1;

            break;

            caps->cap1.max_tex_width  = 4096;

            caps->cap1.max_tex_height = 4096;

            break;

        default:

            ret = 1;

    };

    caps->idx = 1;

    return ret;

}