HRESULT CDECL wined3d_volume_map(struct wined3d_volume *volume,
struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
{
struct wined3d_device *device = volume->resource.device;
struct wined3d_context *context;
const struct wined3d_gl_info *gl_info;
BYTE *base_memory;
TRACE("volume %p, map_desc %p, box %p, flags %#x.\n",
volume, map_desc, box, flags);
if (!(volume->resource.access_flags & WINED3D_RESOURCE_ACCESS_CPU))
{
WARN("Volume %p is not CPU accessible.\n", volume);
map_desc->data = NULL;
return WINED3DERR_INVALIDCALL;
}
flags = wined3d_resource_sanitize_map_flags(&volume->resource, flags);
if (volume->flags & WINED3D_VFLAG_PBO)
{
context = context_acquire(device, NULL);
gl_info = context->gl_info;
wined3d_volume_prepare_pbo(volume, context);
if (flags & WINED3D_MAP_DISCARD)
wined3d_volume_validate_location(volume, WINED3D_LOCATION_BUFFER);
else
wined3d_volume_load_location(volume, context, WINED3D_LOCATION_BUFFER);
GL_EXTCALL(glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, volume->pbo));
if (gl_info->supported[ARB_MAP_BUFFER_RANGE])
{
GLbitfield mapflags = wined3d_resource_gl_map_flags(flags);
mapflags &= ~GL_MAP_FLUSH_EXPLICIT_BIT;
base_memory = GL_EXTCALL(glMapBufferRange(GL_PIXEL_UNPACK_BUFFER_ARB,
0, volume->resource.size, mapflags));
}
else
{
base_memory = GL_EXTCALL(glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0));
}
GL_EXTCALL(glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0));
checkGLcall("Map PBO");
context_release(context);
}
else
{
if (!volume_prepare_system_memory(volume))
{
WARN("Out of memory.\n");
map_desc->data = NULL;
return E_OUTOFMEMORY;
}
if (flags & WINED3D_MAP_DISCARD)
{
wined3d_volume_validate_location(volume, WINED3D_LOCATION_SYSMEM);
}
else if (!(volume->locations & WINED3D_LOCATION_SYSMEM))
{
context = context_acquire(device, NULL);
wined3d_volume_load_location(volume, context, WINED3D_LOCATION_SYSMEM);
context_release(context);
}
base_memory = volume->resource.allocatedMemory;
}
TRACE("Base memory pointer %p.\n", base_memory);
map_desc->row_pitch = volume->resource.format->byte_count * volume->resource.width; /* Bytes / row */
map_desc->slice_pitch = volume->resource.format->byte_count
* volume->resource.width * volume->resource.height; /* Bytes / slice */
if (!box)
{
TRACE("No box supplied - all is ok\n");
map_desc->data = base_memory;
}
else
{
TRACE("Lock Box (%p) = l %u, t %u, r %u, b %u, fr %u, ba %u\n",
box, box->left, box->top, box->right, box->bottom, box->front, box->back);
map_desc->data = base_memory
+ (map_desc->slice_pitch * box->front) /* FIXME: is front < back or vica versa? */
+ (map_desc->row_pitch * box->top)
+ (box->left * volume->resource.format->byte_count);
}
if (!(flags & (WINED3D_MAP_NO_DIRTY_UPDATE | WINED3D_MAP_READONLY)))
{
wined3d_texture_set_dirty(volume->container, TRUE);
if (volume->flags & WINED3D_VFLAG_PBO)
wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_BUFFER);
else
wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_SYSMEM);
}
volume->flags |= WINED3D_VFLAG_LOCKED;
TRACE("Returning memory %p, row pitch %d, slice pitch %d.\n",
map_desc->data, map_desc->row_pitch, map_desc->slice_pitch);
return WINED3D_OK;
}
HRESULT CDECL wined3d_volume_map(struct wined3d_volume *volume,
struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
{
struct wined3d_device *device = volume->resource.device;
struct wined3d_context *context;
const struct wined3d_gl_info *gl_info;
BYTE *base_memory;
const struct wined3d_format *format = volume->resource.format;
TRACE("volume %p, map_desc %p, box %p, flags %#x.\n",
volume, map_desc, box, flags);
map_desc->data = NULL;
if (!(volume->resource.access_flags & WINED3D_RESOURCE_ACCESS_CPU))
{
WARN("Volume %p is not CPU accessible.\n", volume);
return WINED3DERR_INVALIDCALL;
}
if (volume->resource.map_count)
{
WARN("Volume is already mapped.\n");
return WINED3DERR_INVALIDCALL;
}
if (!wined3d_volume_check_box_dimensions(volume, box))
{
WARN("Map box is invalid.\n");
return WINED3DERR_INVALIDCALL;
}
if ((format->flags & WINED3DFMT_FLAG_BLOCKS) && !volume_check_block_align(volume, box))
{
WARN("Map box is misaligned for %ux%u blocks.\n",
format->block_width, format->block_height);
return WINED3DERR_INVALIDCALL;
}
flags = wined3d_resource_sanitize_map_flags(&volume->resource, flags);
if (volume->flags & WINED3D_VFLAG_PBO)
{
context = context_acquire(device, NULL);
gl_info = context->gl_info;
wined3d_volume_prepare_pbo(volume, context);
if (flags & WINED3D_MAP_DISCARD)
wined3d_volume_validate_location(volume, WINED3D_LOCATION_BUFFER);
else
wined3d_volume_load_location(volume, context, WINED3D_LOCATION_BUFFER);
GL_EXTCALL(glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, volume->pbo));
if (gl_info->supported[ARB_MAP_BUFFER_RANGE])
{
GLbitfield mapflags = wined3d_resource_gl_map_flags(flags);
mapflags &= ~GL_MAP_FLUSH_EXPLICIT_BIT;
base_memory = GL_EXTCALL(glMapBufferRange(GL_PIXEL_UNPACK_BUFFER_ARB,
0, volume->resource.size, mapflags));
}
else
{
GLenum access = wined3d_resource_gl_legacy_map_flags(flags);
base_memory = GL_EXTCALL(glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, access));
}
GL_EXTCALL(glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0));
checkGLcall("Map PBO");
context_release(context);
}
else
{
if (!volume_prepare_system_memory(volume))
{
WARN("Out of memory.\n");
map_desc->data = NULL;
return E_OUTOFMEMORY;
}
if (flags & WINED3D_MAP_DISCARD)
{
wined3d_volume_validate_location(volume, WINED3D_LOCATION_SYSMEM);
}
else if (!(volume->locations & WINED3D_LOCATION_SYSMEM))
{
context = context_acquire(device, NULL);
wined3d_volume_load_location(volume, context, WINED3D_LOCATION_SYSMEM);
context_release(context);
}
base_memory = volume->resource.heap_memory;
}
TRACE("Base memory pointer %p.\n", base_memory);
if (format->flags & WINED3DFMT_FLAG_BROKEN_PITCH)
{
map_desc->row_pitch = volume->resource.width * format->byte_count;
map_desc->slice_pitch = map_desc->row_pitch * volume->resource.height;
}
else
{
wined3d_volume_get_pitch(volume, &map_desc->row_pitch, &map_desc->slice_pitch);
}
if (!box)
{
TRACE("No box supplied - all is ok\n");
map_desc->data = base_memory;
}
else
{
TRACE("Lock Box (%p) = l %u, t %u, r %u, b %u, fr %u, ba %u\n",
box, box->left, box->top, box->right, box->bottom, box->front, box->back);
if ((format->flags & (WINED3DFMT_FLAG_BLOCKS | WINED3DFMT_FLAG_BROKEN_PITCH)) == WINED3DFMT_FLAG_BLOCKS)
{
/* Compressed textures are block based, so calculate the offset of
* the block that contains the top-left pixel of the locked rectangle. */
map_desc->data = base_memory
+ (box->front * map_desc->slice_pitch)
+ ((box->top / format->block_height) * map_desc->row_pitch)
+ ((box->left / format->block_width) * format->block_byte_count);
}
else
{
map_desc->data = base_memory
+ (map_desc->slice_pitch * box->front)
+ (map_desc->row_pitch * box->top)
+ (box->left * volume->resource.format->byte_count);
}
}
if (!(flags & (WINED3D_MAP_NO_DIRTY_UPDATE | WINED3D_MAP_READONLY)))
{
wined3d_texture_set_dirty(volume->container);
if (volume->flags & WINED3D_VFLAG_PBO)
wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_BUFFER);
else
wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_SYSMEM);
}
volume->resource.map_count++;
TRACE("Returning memory %p, row pitch %d, slice pitch %d.\n",
map_desc->data, map_desc->row_pitch, map_desc->slice_pitch);
return WINED3D_OK;
}
