On Mon, May 7, 2018 at 2:14 AM, <mathias.froehl...@gmx.net> wrote:
> From: Mathias Fröhlich <mathias.froehl...@web.de>
>
> Finally make use of the binding information in the VAO when
> setting up arrays for draw.
>
> v2: Emit less relocations also for interleaved userspace arrays.
>
> Signed-off-by: Mathias Fröhlich <mathias.froehl...@web.de>
This appears to break glmark2 (and, well, probably other things too)
Thread 1 "glmark2" received signal SIGTRAP, Trace/breakpoint trap.
0x0000ffffbefc1c78 in kill () from /lib64/libc.so.6
(gdb) bt
#0 0x0000ffffbefc1c78 in kill () from /lib64/libc.so.6
#1 0x0000ffffbde5ff90 in _debug_assert_fail (expr=0xffffbe6b9320
"desc", file=0xffffbe6b92f0
"../src/gallium/auxiliary/util/u_format.h", line=767,
function=0xffffbe6b9830 <__func__.7922>
"util_format_get_blocksizebits") at
../src/gallium/auxiliary/util/u_debug.c:322
#2 0x0000ffffbdec4384 in util_format_get_blocksizebits (format=1531)
at ../src/gallium/auxiliary/util/u_format.h:767
#3 0x0000ffffbdec43bc in util_format_get_blocksize (format=1531) at
../src/gallium/auxiliary/util/u_format.h:781
#4 0x0000ffffbdec62a4 in u_vbuf_create_vertex_elements (mgr=0x7073b0,
count=2, attribs=0xffffffffea20) at
../src/gallium/auxiliary/util/u_vbuf.c:761
#5 0x0000ffffbdec4da4 in u_vbuf_set_vertex_elements_internal
(mgr=0x7073b0, count=2, states=0xffffffffea20) at
../src/gallium/auxiliary/util/u_vbuf.c:346
#6 0x0000ffffbdec4e94 in u_vbuf_set_vertex_elements (mgr=0x7073b0,
count=2, states=0xffffffffea20) at
../src/gallium/auxiliary/util/u_vbuf.c:367
#7 0x0000ffffbde804dc in cso_set_vertex_elements (ctx=0x6e8190,
count=2, states=0xffffffffea20) at
../src/gallium/auxiliary/cso_cache/cso_context.c:1067
#8 0x0000ffffbe3881d0 in set_vertex_attribs (st=0x6e2f20,
vbuffers=0xffffffffeb20, num_vbuffers=0, velements=0xffffffffea20,
num_velements=2) at ../src/mesa/state_tracker/st_atom_array.c:382
#9 0x0000ffffbe388708 in st_update_array (st=0x6e2f20) at
../src/mesa/state_tracker/st_atom_array.c:507
#10 0x0000ffffbe334634 in st_validate_state (st=0x6e2f20,
pipeline=ST_PIPELINE_RENDER) at
../src/mesa/state_tracker/st_atom.c:261
#11 0x0000ffffbe2802ec in prepare_draw (st=0x6e2f20, ctx=0x6c74d0) at
../src/mesa/state_tracker/st_draw.c:123
#12 0x0000ffffbe280364 in st_draw_vbo (ctx=0x6c74d0,
prims=0xffffffffef18, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001',
min_index=0, max_index=21515, tfb_vertcount=0x0, stream=0,
indirect=0x0) at ../src/mesa/state_tracker/st_draw.c:153
#13 0x0000ffffbe270c48 in vbo_draw_arrays (ctx=0x6c74d0, mode=4,
start=0, count=21516, numInstances=1, baseInstance=0, drawID=0) at
../src/mesa/vbo/vbo_exec_array.c:391
#14 0x0000ffffbe2715a4 in vbo_exec_DrawArrays (mode=4, start=0,
count=21516) at ../src/mesa/vbo/vbo_exec_array.c:550
#15 0x0000ffffbebccc74 in shared_dispatch_stub_310 (mode=4, first=0,
count=21516) at
/home/robclark/src/mesa/debug/src/mapi/shared-glapi/glapi_mapi_tmp.h:19545
#16 0x00000000004731f8 in Mesh::render_array
(this=this@entry=0x4e7ee8) at ../src/mesh.cpp:554
#17 0x000000000041ba98 in SceneBuild::draw (this=0x4e7da0) at
../src/scene-build.cpp:244
#18 0x0000000000410d00 in MainLoop::draw (this=0x58b420) at
../src/main-loop.cpp:133
#19 0x0000000000411594 in MainLoop::step (this=this@entry=0x58b420) at
../src/main-loop.cpp:108
#20 0x0000000000409498 in do_benchmark (canvas=...) at ../src/main.cpp:117
#21 0x00000000004071b0 in main (argc=<optimized out>, argv=<optimized
out>) at ../src/main.cpp:210
looks like it is getting some garbage value for 'format'..
BR,
-R
> ---
> src/mesa/state_tracker/st_atom_array.c | 432
> ++++++++-------------------------
> 1 file changed, 107 insertions(+), 325 deletions(-)
>
> diff --git a/src/mesa/state_tracker/st_atom_array.c
> b/src/mesa/state_tracker/st_atom_array.c
> index 2fd67e8d84..6b39b4186d 100644
> --- a/src/mesa/state_tracker/st_atom_array.c
> +++ b/src/mesa/state_tracker/st_atom_array.c
> @@ -48,6 +48,7 @@
> #include "main/bufferobj.h"
> #include "main/glformats.h"
> #include "main/varray.h"
> +#include "main/arrayobj.h"
>
> /* vertex_formats[gltype - GL_BYTE][integer*2 + normalized][size - 1] */
> static const uint16_t vertex_formats[][4][4] = {
> @@ -306,79 +307,6 @@ st_pipe_vertex_format(const struct gl_array_attributes
> *attrib)
> return vertex_formats[type - GL_BYTE][index][size-1];
> }
>
> -static const struct gl_vertex_array *
> -get_client_array(const struct gl_vertex_array *arrays,
> - unsigned mesaAttr)
> -{
> - /* st_program uses 0xffffffff to denote a double placeholder attribute */
> - if (mesaAttr == ST_DOUBLE_ATTRIB_PLACEHOLDER)
> - return NULL;
> - return &arrays[mesaAttr];
> -}
> -
> -/**
> - * Examine the active arrays to determine if we have interleaved
> - * vertex arrays all living in one VBO, or all living in user space.
> - */
> -static GLboolean
> -is_interleaved_arrays(const struct st_vertex_program *vp,
> - const struct gl_vertex_array *arrays,
> - unsigned num_inputs)
> -{
> - GLuint attr;
> - const struct gl_buffer_object *firstBufObj = NULL;
> - GLint firstStride = -1;
> - const GLubyte *firstPtr = NULL;
> - GLboolean userSpaceBuffer = GL_FALSE;
> -
> - for (attr = 0; attr < num_inputs; attr++) {
> - const struct gl_vertex_array *array;
> - const struct gl_vertex_buffer_binding *binding;
> - const struct gl_array_attributes *attrib;
> - const GLubyte *ptr;
> - const struct gl_buffer_object *bufObj;
> - GLsizei stride;
> -
> - array = get_client_array(arrays, vp->index_to_input[attr]);
> - if (!array)
> - continue;
> -
> - binding = array->BufferBinding;
> - attrib = array->VertexAttrib;
> - stride = binding->Stride; /* in bytes */
> - ptr = _mesa_vertex_attrib_address(attrib, binding);
> -
> - /* To keep things simple, don't allow interleaved zero-stride attribs.
> */
> - if (stride == 0)
> - return false;
> -
> - bufObj = binding->BufferObj;
> - if (attr == 0) {
> - /* save info about the first array */
> - firstStride = stride;
> - firstPtr = ptr;
> - firstBufObj = bufObj;
> - userSpaceBuffer = !_mesa_is_bufferobj(bufObj);
> - }
> - else {
> - /* check if other arrays interleave with the first, in same buffer
> */
> - if (stride != firstStride)
> - return GL_FALSE; /* strides don't match */
> -
> - if (bufObj != firstBufObj)
> - return GL_FALSE; /* arrays in different VBOs */
> -
> - if (llabs(ptr - firstPtr) > firstStride)
> - return GL_FALSE; /* arrays start too far apart */
> -
> - if ((!_mesa_is_bufferobj(bufObj)) != userSpaceBuffer)
> - return GL_FALSE; /* mix of VBO and user-space arrays */
> - }
> - }
> -
> - return GL_TRUE;
> -}
> -
> static void init_velement(struct pipe_vertex_element *velement,
> int src_offset, int format,
> int instance_divisor, int vbo_index)
> @@ -392,13 +320,14 @@ static void init_velement(struct pipe_vertex_element
> *velement,
>
> static void init_velement_lowered(const struct st_vertex_program *vp,
> struct pipe_vertex_element *velements,
> - int src_offset, int format,
> - int instance_divisor, int vbo_index,
> - int nr_components, GLboolean doubles,
> - GLuint *attr_idx)
> + const struct gl_array_attributes *attrib,
> + int src_offset, int instance_divisor,
> + int vbo_index, int idx)
> {
> - int idx = *attr_idx;
> - if (doubles) {
> + const unsigned format = st_pipe_vertex_format(attrib);
> + const GLubyte nr_components = attrib->Size;
> +
> + if (attrib->Doubles) {
> int lower_format;
>
> if (nr_components < 2)
> @@ -427,15 +356,11 @@ static void init_velement_lowered(const struct
> st_vertex_program *vp,
> init_velement(&velements[idx], src_offset,
> PIPE_FORMAT_R32G32_UINT,
> instance_divisor, vbo_index);
> }
> -
> - idx++;
> }
> } else {
> init_velement(&velements[idx], src_offset,
> format, instance_divisor, vbo_index);
> - idx++;
> }
> - *attr_idx = idx;
> }
>
> static void
> @@ -457,274 +382,131 @@ set_vertex_attribs(struct st_context *st,
> cso_set_vertex_elements(cso, num_velements, velements);
> }
>
> -/**
> - * Set up for drawing interleaved arrays that all live in one VBO
> - * or all live in user space.
> - * \param vbuffer returns vertex buffer info
> - * \param velements returns vertex element info
> - */
> -static void
> -setup_interleaved_attribs(struct st_context *st,
> - const struct st_vertex_program *vp,
> - const struct gl_vertex_array *arrays,
> - unsigned num_inputs)
> -{
> - struct pipe_vertex_buffer vbuffer;
> - struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS] = {{0}};
> - GLuint attr;
> - const GLubyte *low_addr = NULL;
> - GLboolean usingVBO; /* all arrays in a VBO? */
> - struct gl_buffer_object *bufobj;
> - GLsizei stride;
> -
> - /* Find the lowest address of the arrays we're drawing,
> - * Init bufobj and stride.
> - */
> - if (num_inputs) {
> - const struct gl_vertex_array *array;
> - const struct gl_vertex_buffer_binding *binding;
> - const struct gl_array_attributes *attrib;
> -
> - array = get_client_array(arrays, vp->index_to_input[0]);
> - assert(array);
> -
> - binding = array->BufferBinding;
> - attrib = array->VertexAttrib;
> -
> - /* Since we're doing interleaved arrays, we know there'll be at most
> - * one buffer object and the stride will be the same for all arrays.
> - * Grab them now.
> - */
> - bufobj = binding->BufferObj;
> - stride = binding->Stride;
> -
> - low_addr = _mesa_vertex_attrib_address(attrib, binding);
> -
> - for (attr = 1; attr < num_inputs; attr++) {
> - const GLubyte *start;
> - array = get_client_array(arrays, vp->index_to_input[attr]);
> - if (!array)
> - continue;
> - binding = array->BufferBinding;
> - attrib = array->VertexAttrib;
> - start = _mesa_vertex_attrib_address(attrib, binding);
> - low_addr = MIN2(low_addr, start);
> - }
> - }
> - else {
> - /* not sure we'll ever have zero inputs, but play it safe */
> - bufobj = NULL;
> - stride = 0;
> - low_addr = 0;
> - }
> -
> - /* are the arrays in user space? */
> - usingVBO = _mesa_is_bufferobj(bufobj);
> -
> - for (attr = 0; attr < num_inputs;) {
> - const struct gl_vertex_array *array;
> - const struct gl_vertex_buffer_binding *binding;
> - const struct gl_array_attributes *attrib;
> - const GLubyte *ptr;
> - unsigned src_offset;
> - unsigned src_format;
> -
> - array = get_client_array(arrays, vp->index_to_input[attr]);
> - assert(array);
> -
> - binding = array->BufferBinding;
> - attrib = array->VertexAttrib;
> - ptr = _mesa_vertex_attrib_address(attrib, binding);
> -
> - src_offset = (unsigned) (ptr - low_addr);
> -
> - src_format = st_pipe_vertex_format(attrib);
> -
> - init_velement_lowered(vp, velements, src_offset, src_format,
> - binding->InstanceDivisor, 0,
> - attrib->Size, attrib->Doubles, &attr);
> - }
> -
> - /*
> - * Return the vbuffer info and setup user-space attrib info, if needed.
> - */
> - if (num_inputs == 0) {
> - /* just defensive coding here */
> - vbuffer.buffer.resource = NULL;
> - vbuffer.is_user_buffer = false;
> - vbuffer.buffer_offset = 0;
> - vbuffer.stride = 0;
> - }
> - else if (usingVBO) {
> - /* all interleaved arrays in a VBO */
> - struct st_buffer_object *stobj = st_buffer_object(bufobj);
> -
> - if (!stobj || !stobj->buffer) {
> - st->vertex_array_out_of_memory = true;
> - return; /* out-of-memory error probably */
> - }
> -
> - vbuffer.buffer.resource = stobj->buffer;
> - vbuffer.is_user_buffer = false;
> - vbuffer.buffer_offset = pointer_to_offset(low_addr);
> - vbuffer.stride = stride;
> - }
> - else {
> - /* all interleaved arrays in user memory */
> - vbuffer.buffer.user = low_addr;
> - vbuffer.is_user_buffer = !!low_addr; /* if NULL, then unbind */
> - vbuffer.buffer_offset = 0;
> - vbuffer.stride = stride;
> -
> - if (low_addr)
> - st->draw_needs_minmax_index = true;
> - }
> -
> - set_vertex_attribs(st, &vbuffer, num_inputs ? 1 : 0,
> - velements, num_inputs);
> -}
> -
> -/**
> - * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each
> - * vertex attribute.
> - * \param vbuffer returns vertex buffer info
> - * \param velements returns vertex element info
> - */
> -static void
> -setup_non_interleaved_attribs(struct st_context *st,
> - const struct st_vertex_program *vp,
> - const struct gl_vertex_array *arrays,
> - unsigned num_inputs)
> +void st_update_array(struct st_context *st)
> {
> struct gl_context *ctx = st->ctx;
> + /* vertex program validation must be done before this */
> + const struct st_vertex_program *vp = st->vp;
> + /* _NEW_PROGRAM, ST_NEW_VS_STATE */
> + const GLbitfield inputs_read = st->vp_variant->vert_attrib_mask;
> + const struct gl_vertex_array_object *vao = ctx->Array._DrawVAO;
> + const ubyte *input_to_index = vp->input_to_index;
> +
> struct pipe_vertex_buffer vbuffer[PIPE_MAX_ATTRIBS];
> - struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS] = {{0}};
> + struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
> unsigned num_vbuffers = 0;
> - unsigned unref_buffers = 0;
> - GLuint attr;
> -
> - for (attr = 0; attr < num_inputs;) {
> - const unsigned mesaAttr = vp->index_to_input[attr];
> - const struct gl_vertex_array *array;
> - const struct gl_vertex_buffer_binding *binding;
> - const struct gl_array_attributes *attrib;
> - struct gl_buffer_object *bufobj;
> - GLsizei stride;
> - unsigned src_format;
> - unsigned bufidx;
> -
> - array = get_client_array(arrays, mesaAttr);
> - assert(array);
> -
> - bufidx = num_vbuffers++;
> -
> - binding = array->BufferBinding;
> - attrib = array->VertexAttrib;
> - stride = binding->Stride;
> - bufobj = binding->BufferObj;
> -
> - if (_mesa_is_bufferobj(bufobj)) {
> - /* Attribute data is in a VBO.
> - * Recall that for VBOs, the gl_vertex_array->Ptr field is
> - * really an offset from the start of the VBO, not a pointer.
> - */
> - struct st_buffer_object *stobj = st_buffer_object(bufobj);
>
> + st->vertex_array_out_of_memory = FALSE;
> + st->draw_needs_minmax_index = false;
> +
> + /* _NEW_PROGRAM */
> + /* ST_NEW_VERTEX_ARRAYS alias ctx->DriverFlags.NewArray */
> + /* Process attribute array data. */
> + GLbitfield mask = inputs_read & _mesa_draw_array_bits(ctx);
> + while (mask) {
> + /* The attribute index to start pulling a binding */
> + const gl_vert_attrib i = ffs(mask) - 1;
> + const struct gl_vertex_buffer_binding *const binding
> + = _mesa_draw_buffer_binding(vao, i);
> + const unsigned bufidx = num_vbuffers++;
> +
> + if (_mesa_is_bufferobj(binding->BufferObj)) {
> + struct st_buffer_object *stobj =
> st_buffer_object(binding->BufferObj);
> if (!stobj || !stobj->buffer) {
> st->vertex_array_out_of_memory = true;
> return; /* out-of-memory error probably */
> }
>
> + /* Set the binding */
> vbuffer[bufidx].buffer.resource = stobj->buffer;
> vbuffer[bufidx].is_user_buffer = false;
> - vbuffer[bufidx].buffer_offset =
> - binding->Offset + attrib->RelativeOffset;
> + vbuffer[bufidx].buffer_offset = _mesa_draw_binding_offset(binding);
> + } else {
> + /* Set the binding */
> + const void *ptr = (const void *)_mesa_draw_binding_offset(binding);
> + vbuffer[bufidx].buffer.user = ptr;
> + vbuffer[bufidx].is_user_buffer = true;
> + vbuffer[bufidx].buffer_offset = 0;
> +
> + if (!binding->InstanceDivisor)
> + st->draw_needs_minmax_index = true;
> }
> - else {
> - if (stride == 0) {
> - unsigned size = attrib->_ElementSize;
> - /* This is optimal for GPU cache line usage if the upload size
> - * is <= cache line size.
> - */
> - unsigned alignment = util_next_power_of_two(size);
> -
> - assert(attrib->Ptr);
> - vbuffer[bufidx].buffer.user = attrib->Ptr;
> - void *ptr = attrib->Ptr ? (void*)attrib->Ptr :
> - (void*)ctx->Current.Attrib[mesaAttr];
> -
> - vbuffer[bufidx].is_user_buffer = false;
> - vbuffer[bufidx].buffer.resource = NULL;
> -
> - /* Use const_uploader for zero-stride vertex attributes, because
> - * it may use a better memory placement than stream_uploader.
> - * The reason is that zero-stride attributes can be fetched many
> - * times (thousands of times), so a better placement is going to
> - * perform better.
> - *
> - * Upload the maximum possible size, which is 4x GLdouble = 32.
> - */
> - u_upload_data(st->can_bind_const_buffer_as_vertex ?
> - st->pipe->const_uploader :
> - st->pipe->stream_uploader,
> - 0, size, alignment, ptr,
> - &vbuffer[bufidx].buffer_offset,
> - &vbuffer[bufidx].buffer.resource);
> - unref_buffers |= 1u << bufidx;
> - } else {
> - assert(attrib->Ptr);
> - vbuffer[bufidx].buffer.user = attrib->Ptr;
> - vbuffer[bufidx].is_user_buffer = true;
> - vbuffer[bufidx].buffer_offset = 0;
> -
> - if (!binding->InstanceDivisor)
> - st->draw_needs_minmax_index = true;
> - }
> + vbuffer[bufidx].stride = binding->Stride; /* in bytes */
> +
> + const GLbitfield boundmask = _mesa_draw_bound_attrib_bits(binding);
> + GLbitfield attrmask = mask & boundmask;
> + /* Mark the those attributes as processed */
> + mask &= ~boundmask;
> + /* We can assume that we have array for the binding */
> + assert(attrmask);
> + /* Walk attributes belonging to the binding */
> + while (attrmask) {
> + const gl_vert_attrib attr = u_bit_scan(&attrmask);
> + const struct gl_array_attributes *const attrib
> + = _mesa_draw_array_attrib(vao, attr);
> + const GLuint off = _mesa_draw_attributes_relative_offset(attrib);
> + init_velement_lowered(vp, velements, attrib, off,
> + binding->InstanceDivisor, bufidx,
> + input_to_index[attr]);
> }
> + }
>
> - /* common-case setup */
> - vbuffer[bufidx].stride = stride; /* in bytes */
> + const unsigned first_current_vbuffer = num_vbuffers;
> + /* _NEW_PROGRAM | _NEW_CURRENT_ATTRIB */
> + /* Process values that should have better been uniforms in the
> application */
> + GLbitfield curmask = inputs_read & _mesa_draw_current_bits(ctx);
> + if (curmask) {
> + /* For each attribute, upload the maximum possible size. */
> + GLubyte data[VERT_ATTRIB_MAX*sizeof(GLdouble)*4];
> + GLubyte *cursor = data;
> + const unsigned bufidx = num_vbuffers++;
> + unsigned max_alignment = 1;
> +
> + while (curmask) {
> + const gl_vert_attrib attr = u_bit_scan(&curmask);
> + const struct gl_array_attributes *const attrib
> + = _mesa_draw_current_attrib(ctx, attr);
> + const unsigned size = attrib->_ElementSize;
> + const unsigned alignment = util_next_power_of_two(size);
> + max_alignment = MAX2(max_alignment, alignment);
> + memcpy(cursor, attrib->Ptr, size);
> + if (alignment != size)
> + memset(cursor + size, 0, alignment - size);
> +
> + init_velement_lowered(vp, velements, attrib, cursor - data, 0,
> + bufidx, input_to_index[attr]);
> +
> + cursor += alignment;
> + }
>
> - src_format = st_pipe_vertex_format(attrib);
> + vbuffer[bufidx].is_user_buffer = false;
> + vbuffer[bufidx].buffer.resource = NULL;
> + /* vbuffer[bufidx].buffer_offset is set below */
> + vbuffer[bufidx].stride = 0;
>
> - init_velement_lowered(vp, velements, 0, src_format,
> - binding->InstanceDivisor, bufidx,
> - attrib->Size, attrib->Doubles, &attr);
> + /* Use const_uploader for zero-stride vertex attributes, because
> + * it may use a better memory placement than stream_uploader.
> + * The reason is that zero-stride attributes can be fetched many
> + * times (thousands of times), so a better placement is going to
> + * perform better.
> + */
> + u_upload_data(st->can_bind_const_buffer_as_vertex ?
> + st->pipe->const_uploader :
> + st->pipe->stream_uploader,
> + 0, cursor - data, max_alignment, data,
> + &vbuffer[bufidx].buffer_offset,
> + &vbuffer[bufidx].buffer.resource);
> }
>
> if (!ctx->Const.AllowMappedBuffersDuringExecution) {
> u_upload_unmap(st->pipe->stream_uploader);
> }
>
> + const unsigned num_inputs = st->vp_variant->num_inputs;
> set_vertex_attribs(st, vbuffer, num_vbuffers, velements, num_inputs);
>
> /* Unreference uploaded zero-stride vertex buffers. */
> - while (unref_buffers) {
> - unsigned i = u_bit_scan(&unref_buffers);
> + for (unsigned i = first_current_vbuffer; i < num_vbuffers; ++i) {
> pipe_resource_reference(&vbuffer[i].buffer.resource, NULL);
> }
> }
> -
> -void st_update_array(struct st_context *st)
> -{
> - struct gl_context *ctx = st->ctx;
> - const struct gl_vertex_array *arrays = ctx->Array._DrawArrays;
> - const struct st_vertex_program *vp;
> - unsigned num_inputs;
> -
> - st->vertex_array_out_of_memory = FALSE;
> - st->draw_needs_minmax_index = false;
> -
> - /* No drawing has been done yet, so do nothing. */
> - if (!arrays)
> - return;
> -
> - /* vertex program validation must be done before this */
> - vp = st->vp;
> - num_inputs = st->vp_variant->num_inputs;
> -
> - if (is_interleaved_arrays(vp, arrays, num_inputs))
> - setup_interleaved_attribs(st, vp, arrays, num_inputs);
> - else
> - setup_non_interleaved_attribs(st, vp, arrays, num_inputs);
> -}
> --
> 2.14.3
>
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