bool
CLVaBuffer::init_va_buffer (SmartPtr<CLContext> &context, SmartPtr<DrmBoBuffer> &bo)
{
cl_mem mem_id = NULL;
uint32_t bo_name = 0;
cl_import_buffer_info_intel import_buffer_info;
xcam_mem_clear (import_buffer_info);
import_buffer_info.fd = bo->get_fd ();
import_buffer_info.size = bo->get_size ();
if (import_buffer_info.fd != -1) {
mem_id = context->import_dma_buffer (import_buffer_info);
}
if (mem_id == NULL) {
drm_intel_bo_flink (bo->get_bo (), &bo_name);
mem_id = context->create_va_buffer (bo_name);
if (mem_id == NULL) {
XCAM_LOG_WARNING ("CLVaBuffer create va buffer failed");
return false;
}
}
set_mem_id (mem_id);
return true;
}
/*
* Function: XvMCPutSurface
*
* Description:
* Arguments:
* display: Connection to X server
* surface: Surface to be displayed
* draw: X Drawable on which to display the surface
* srcx: X coordinate of the top left corner of the region to be
* displayed within the surface.
* srcy: Y coordinate of the top left corner of the region to be
* displayed within the surface.
* srcw: Width of the region to be displayed.
* srch: Height of the region to be displayed.
* destx: X cordinate of the top left corner of the destination region
* in the drawable coordinates.
* desty: Y cordinate of the top left corner of the destination region
* in the drawable coordinates.
* destw: Width of the destination region.
* desth: Height of the destination region.
* flags: One or more of the following.
* XVMC_TOP_FIELD - Display only the Top field of the surface.
* XVMC_BOTTOM_FIELD - Display only the Bottom Field of the surface.
* XVMC_FRAME_PICTURE - Display both fields or frame.
*/
_X_EXPORT Status XvMCPutSurface(Display * display, XvMCSurface * surface,
Drawable draw, short srcx, short srcy,
unsigned short srcw, unsigned short srch,
short destx, short desty,
unsigned short destw, unsigned short desth,
int flags)
{
Status ret = Success;
XvMCContext *context;
intel_xvmc_surface_ptr intel_surf;
if (!display || !surface)
return XvMCBadSurface;
intel_surf = surface->privData;
context = intel_surf->context;
if (!context || !intel_surf)
return XvMCBadSurface;
if (intel_surf->gc_init == FALSE) {
intel_surf->gc = XCreateGC(display, draw, 0, NULL);
intel_surf->gc_init = TRUE;
} else if (draw != intel_surf->last_draw) {
XFreeGC(display, intel_surf->gc);
intel_surf->gc = XCreateGC(display, draw, 0, NULL);
}
intel_surf->last_draw = draw;
drm_intel_bo_flink(intel_surf->bo, &intel_surf->gem_handle);
ret = XvPutImage(display, context->port, draw, intel_surf->gc,
intel_surf->image, srcx, srcy, srcw, srch, destx,
desty, destw, desth);
return ret;
}
static GLboolean
intel_query_image(__DRIimage *image, int attrib, int *value)
{
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
*value = image->pitch;
return true;
case __DRI_IMAGE_ATTRIB_HANDLE:
*value = image->bo->handle;
return true;
case __DRI_IMAGE_ATTRIB_NAME:
return !drm_intel_bo_flink(image->bo, (uint32_t *) value);
case __DRI_IMAGE_ATTRIB_FORMAT:
*value = image->dri_format;
return true;
case __DRI_IMAGE_ATTRIB_WIDTH:
*value = image->width;
return true;
case __DRI_IMAGE_ATTRIB_HEIGHT:
*value = image->height;
return true;
case __DRI_IMAGE_ATTRIB_COMPONENTS:
if (image->planar_format == NULL)
return false;
*value = image->planar_format->components;
return true;
case __DRI_IMAGE_ATTRIB_FD:
if (drm_intel_bo_gem_export_to_prime(image->bo, value) == 0)
return true;
return false;
default:
return false;
}
}
static boolean
i915_drm_buffer_get_handle(struct i915_winsys *iws,
struct i915_winsys_buffer *buffer,
struct winsys_handle *whandle,
unsigned stride)
{
struct i915_drm_buffer *buf = i915_drm_buffer(buffer);
if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
if (!buf->flinked) {
if (drm_intel_bo_flink(buf->bo, &buf->flink))
return FALSE;
buf->flinked = TRUE;
}
whandle->handle = buf->flink;
} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
whandle->handle = buf->bo->handle;
} else {
assert(!"unknown usage");
return FALSE;
}
whandle->stride = stride;
return TRUE;
}
bool
CLVaImage::init_va_image (
SmartPtr<CLContext> &context, SmartPtr<DrmBoBuffer> &bo,
const CLImageDesc &cl_desc, uint32_t offset)
{
uint32_t bo_name = 0;
cl_mem mem_id = 0;
bool need_create = true;
cl_libva_image va_image_info;
cl_import_image_info_intel import_image_info;
xcam_mem_clear (va_image_info);
xcam_mem_clear (import_image_info);
import_image_info.offset = va_image_info.offset = offset;
import_image_info.width = va_image_info.width = cl_desc.width;
import_image_info.height = va_image_info.height = cl_desc.height;
import_image_info.fmt = va_image_info.fmt = cl_desc.format;
import_image_info.row_pitch = va_image_info.row_pitch = cl_desc.row_pitch;
import_image_info.size = cl_desc.size;
import_image_info.type = CL_MEM_OBJECT_IMAGE2D;
XCAM_ASSERT (bo.ptr ());
SmartPtr<CLImageBoBuffer> cl_image_buffer = bo.dynamic_cast_ptr<CLImageBoBuffer> ();
if (cl_image_buffer.ptr ()) {
SmartPtr<CLImage> cl_image_data = cl_image_buffer->get_cl_image ();
XCAM_ASSERT (cl_image_data.ptr ());
CLImageDesc old_desc = cl_image_data->get_image_desc ();
if (cl_desc == old_desc) {
need_create = false;
mem_id = cl_image_data->get_mem_id ();
}
}
if (need_create) {
import_image_info.fd = bo->get_fd();
if (import_image_info.fd != -1)
mem_id = context->import_dma_image (import_image_info);
if (mem_id == NULL) {
if (drm_intel_bo_flink (bo->get_bo (), &bo_name) == 0) {
va_image_info.bo_name = bo_name;
mem_id = context->create_va_image (va_image_info);
}
if (mem_id == NULL) {
XCAM_LOG_WARNING ("create va image failed");
return false;
}
}
} else {
va_image_info.bo_name = uint32_t(-1);
}
set_mem_id (mem_id, need_create);
init_desc_by_image ();
_va_image_info = va_image_info;
return true;
}
bool
intel_region_flink(struct intel_region *region, uint32_t *name)
{
if (region->name == 0) {
if (drm_intel_bo_flink(region->bo, ®ion->name))
return false;
}
*name = region->name;
return true;
}
int
intel_winsys_export_handle(struct intel_winsys *winsys,
struct intel_bo *bo,
enum intel_tiling_mode tiling,
unsigned long pitch,
unsigned long height,
struct winsys_handle *handle)
{
int err = 0;
switch (handle->type) {
case DRM_API_HANDLE_TYPE_SHARED:
{
uint32_t name;
err = drm_intel_bo_flink(gem_bo(bo), &name);
if (!err)
handle->handle = name;
}
break;
case DRM_API_HANDLE_TYPE_KMS:
handle->handle = gem_bo(bo)->handle;
break;
case DRM_API_HANDLE_TYPE_FD:
{
int fd;
err = drm_intel_bo_gem_export_to_prime(gem_bo(bo), &fd);
if (!err)
handle->handle = fd;
}
break;
default:
err = -EINVAL;
break;
}
if (err)
return err;
handle->stride = pitch;
return 0;
}
static __DRIbuffer *
intelAllocateBuffer(__DRIscreen *screen,
unsigned attachment, unsigned format,
int width, int height)
{
struct intel_buffer *intelBuffer;
struct intel_screen *intelScreen = screen->driverPrivate;
assert(attachment == __DRI_BUFFER_FRONT_LEFT ||
attachment == __DRI_BUFFER_BACK_LEFT);
intelBuffer = calloc(1, sizeof *intelBuffer);
if (intelBuffer == NULL)
return NULL;
/* The front and back buffers are color buffers, which are X tiled. */
uint32_t tiling = I915_TILING_X;
unsigned long pitch;
int cpp = format / 8;
intelBuffer->bo = drm_intel_bo_alloc_tiled(intelScreen->bufmgr,
"intelAllocateBuffer",
width,
height,
cpp,
&tiling, &pitch,
BO_ALLOC_FOR_RENDER);
if (intelBuffer->bo == NULL) {
free(intelBuffer);
return NULL;
}
drm_intel_bo_flink(intelBuffer->bo, &intelBuffer->base.name);
intelBuffer->base.attachment = attachment;
intelBuffer->base.cpp = cpp;
intelBuffer->base.pitch = pitch;
return &intelBuffer->base;
}
static boolean
intel_drm_shared_handle_from_texture(struct drm_api *api,
struct pipe_screen *screen,
struct pipe_texture *texture,
unsigned *pitch,
unsigned *handle)
{
struct intel_drm_buffer *buf = NULL;
struct intel_buffer *buffer = NULL;
if (!i915_get_texture_buffer_intel(texture, &buffer, pitch))
return FALSE;
buf = intel_drm_buffer(buffer);
if (!buf->flinked) {
if (drm_intel_bo_flink(buf->bo, &buf->flink))
return FALSE;
buf->flinked = TRUE;
}
*handle = buf->flink;
return TRUE;
}
/**
* \brief Assign a DRI buffer's DRM region to a renderbuffer.
*
* This is called from intel_update_renderbuffers().
*
* \par Note:
* DRI buffers whose attachment point is DRI2BufferStencil or
* DRI2BufferDepthStencil are handled as special cases.
*
* \param buffer_name is a human readable name, such as "dri2 front buffer",
* that is passed to drm_intel_bo_gem_create_from_name().
*
* \see intel_update_renderbuffers()
*/
static void
intel_process_dri2_buffer(struct brw_context *brw,
__DRIdrawable *drawable,
__DRIbuffer *buffer,
struct intel_renderbuffer *rb,
const char *buffer_name)
{
struct gl_framebuffer *fb = drawable->driverPrivate;
drm_intel_bo *bo;
if (!rb)
return;
unsigned num_samples = rb->Base.Base.NumSamples;
/* We try to avoid closing and reopening the same BO name, because the first
* use of a mapping of the buffer involves a bunch of page faulting which is
* moderately expensive.
*/
struct intel_mipmap_tree *last_mt;
if (num_samples == 0)
last_mt = rb->mt;
else
last_mt = rb->singlesample_mt;
uint32_t old_name = 0;
if (last_mt) {
/* The bo already has a name because the miptree was created by a
* previous call to intel_process_dri2_buffer(). If a bo already has a
* name, then drm_intel_bo_flink() is a low-cost getter. It does not
* create a new name.
*/
drm_intel_bo_flink(last_mt->bo, &old_name);
}
if (old_name == buffer->name)
return;
if (unlikely(INTEL_DEBUG & DEBUG_DRI)) {
fprintf(stderr,
"attaching buffer %d, at %d, cpp %d, pitch %d\n",
buffer->name, buffer->attachment,
buffer->cpp, buffer->pitch);
}
intel_miptree_release(&rb->mt);
bo = drm_intel_bo_gem_create_from_name(brw->bufmgr, buffer_name,
buffer->name);
if (!bo) {
fprintf(stderr,
"Failed to open BO for returned DRI2 buffer "
"(%dx%d, %s, named %d).\n"
"This is likely a bug in the X Server that will lead to a "
"crash soon.\n",
drawable->w, drawable->h, buffer_name, buffer->name);
return;
}
intel_update_winsys_renderbuffer_miptree(brw, rb, bo,
drawable->w, drawable->h,
buffer->pitch);
if (brw_is_front_buffer_drawing(fb) &&
(buffer->attachment == __DRI_BUFFER_FRONT_LEFT ||
buffer->attachment == __DRI_BUFFER_FAKE_FRONT_LEFT) &&
rb->Base.Base.NumSamples > 1) {
intel_renderbuffer_upsample(brw, rb);
}
assert(rb->mt);
drm_intel_bo_unreference(bo);
}