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Differential D16415 Diff 58437 source/blender/gpu/metal/mtl_index_buffer.mm

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source/blender/gpu/metal/mtl_index_buffer.mm

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/* Prepare Buffer and Upload Data. */ /* Prepare Buffer and Upload Data. */
if (ibo_ == nullptr && data_ != nullptr) { if (ibo_ == nullptr && data_ != nullptr) {
alloc_size_ = this->size_get(); alloc_size_ = this->size_get();
if (alloc_size_ == 0) { if (alloc_size_ == 0) {
MTL_LOG_WARNING("[Metal] Warning! Trying to allocate index buffer with size=0 bytes\n"); MTL_LOG_WARNING("[Metal] Warning! Trying to allocate index buffer with size=0 bytes\n");
} }
else { else {
ibo_ = MTLContext::get_global_memory_manager().allocate_with_data(alloc_size_, true, data_); ibo_ = MTLContext::get_global_memory_manager()->allocate_with_data(alloc_size_, true, data_);
BLI_assert(ibo_); BLI_assert(ibo_);
ibo_->set_label(@"Index Buffer"); ibo_->set_label(@"Index Buffer");
} }
/* No need to keep copy of data_ in system memory. */ /* No need to keep copy of data_ in system memory. */
MEM_SAFE_FREE(data_); MEM_SAFE_FREE(data_);
} }
} }
▲ Show 20 Lines • Show All 225 Lines • ▼ Show 20 Lines if (optimized_ibo_ == nullptr) {
switch (input_prim_type) { switch (input_prim_type) {
case GPU_PRIM_TRI_FAN: { case GPU_PRIM_TRI_FAN: {
/* Calculate maximum size. */ /* Calculate maximum size. */
uint32_t max_possible_verts = (this->index_len_ - 2) * 3; uint32_t max_possible_verts = (this->index_len_ - 2) * 3;
BLI_assert(max_possible_verts > 0); BLI_assert(max_possible_verts > 0);
/* Allocate new buffer. */ /* Allocate new buffer. */
optimized_ibo_ = MTLContext::get_global_memory_manager().allocate( optimized_ibo_ = MTLContext::get_global_memory_manager()->allocate(
max_possible_verts * max_possible_verts *
((index_type_ == GPU_INDEX_U16) ? sizeof(uint16_t) : sizeof(uint32_t)), ((index_type_ == GPU_INDEX_U16) ? sizeof(uint16_t) : sizeof(uint32_t)),
true); true);
/* Populate new index buffer. */ /* Populate new index buffer. */
if (index_type_ == GPU_INDEX_U16) { if (index_type_ == GPU_INDEX_U16) {
Span<uint16_t> orig_data(static_cast<const uint16_t *>(ibo_->get_host_ptr()), Span<uint16_t> orig_data(static_cast<const uint16_t *>(ibo_->get_host_ptr()),
this->index_len_); this->index_len_);
MutableSpan<uint16_t> output_data( MutableSpan<uint16_t> output_data(
static_cast<uint16_t *>(optimized_ibo_->get_host_ptr()), this->index_len_); static_cast<uint16_t *>(optimized_ibo_->get_host_ptr()), max_possible_verts);
emulated_v_count = populate_emulated_tri_fan_buf<uint16_t>( emulated_v_count = populate_emulated_tri_fan_buf<uint16_t>(
orig_data, output_data, this->index_len_); orig_data, output_data, this->index_len_);
} }
else { else {
Span<uint32_t> orig_data(static_cast<const uint32_t *>(ibo_->get_host_ptr()), Span<uint32_t> orig_data(static_cast<const uint32_t *>(ibo_->get_host_ptr()),
this->index_len_); this->index_len_);
MutableSpan<uint32_t> output_data( MutableSpan<uint32_t> output_data(
static_cast<uint32_t *>(optimized_ibo_->get_host_ptr()), this->index_len_); static_cast<uint32_t *>(optimized_ibo_->get_host_ptr()), max_possible_verts);
emulated_v_count = populate_emulated_tri_fan_buf<uint32_t>( emulated_v_count = populate_emulated_tri_fan_buf<uint32_t>(
orig_data, output_data, this->index_len_); orig_data, output_data, this->index_len_);
} }
BLI_assert(emulated_v_count <= max_possible_verts); BLI_assert(emulated_v_count <= max_possible_verts);
/* Flush buffer and output. */ /* Flush buffer and output. */
optimized_ibo_->flush(); optimized_ibo_->flush();
optimized_primitive_type_ = input_prim_type; optimized_primitive_type_ = input_prim_type;
in_out_v_count = emulated_v_count; in_out_v_count = emulated_v_count;
in_out_primitive_type = GPU_PRIM_TRIS; in_out_primitive_type = GPU_PRIM_TRIS;
} }
case GPU_PRIM_TRI_STRIP: { case GPU_PRIM_TRI_STRIP: {
/* Calculate maximum size. */ /* Calculate maximum size. */
uint32_t max_possible_verts = (this->index_len_ - 2) * 3; uint32_t max_possible_verts = (this->index_len_ - 2) * 3;
BLI_assert(max_possible_verts > 0); BLI_assert(max_possible_verts > 0);
/* Allocate new buffer. */ /* Allocate new buffer. */
optimized_ibo_ = MTLContext::get_global_memory_manager().allocate( optimized_ibo_ = MTLContext::get_global_memory_manager()->allocate(
max_possible_verts * max_possible_verts *
((index_type_ == GPU_INDEX_U16) ? sizeof(uint16_t) : sizeof(uint32_t)), ((index_type_ == GPU_INDEX_U16) ? sizeof(uint16_t) : sizeof(uint32_t)),
true); true);
/* Populate new index buffer. */ /* Populate new index buffer. */
if (index_type_ == GPU_INDEX_U16) { if (index_type_ == GPU_INDEX_U16) {
Span<uint16_t> orig_data(static_cast<const uint16_t *>(ibo_->get_host_ptr()), Span<uint16_t> orig_data(static_cast<const uint16_t *>(ibo_->get_host_ptr()),
this->index_len_); this->index_len_);
MutableSpan<uint16_t> output_data( MutableSpan<uint16_t> output_data(
static_cast<uint16_t *>(optimized_ibo_->get_host_ptr()), this->index_len_); static_cast<uint16_t *>(optimized_ibo_->get_host_ptr()), max_possible_verts);
emulated_v_count = populate_optimized_tri_strip_buf<uint16_t>( emulated_v_count = populate_optimized_tri_strip_buf<uint16_t>(
orig_data, output_data, this->index_len_); orig_data, output_data, this->index_len_);
} }
else { else {
Span<uint32_t> orig_data(static_cast<const uint32_t *>(ibo_->get_host_ptr()), Span<uint32_t> orig_data(static_cast<const uint32_t *>(ibo_->get_host_ptr()),
this->index_len_); this->index_len_);
MutableSpan<uint32_t> output_data( MutableSpan<uint32_t> output_data(
static_cast<uint32_t *>(optimized_ibo_->get_host_ptr()), this->index_len_); static_cast<uint32_t *>(optimized_ibo_->get_host_ptr()), max_possible_verts);
emulated_v_count = populate_optimized_tri_strip_buf<uint32_t>( emulated_v_count = populate_optimized_tri_strip_buf<uint32_t>(
orig_data, output_data, this->index_len_); orig_data, output_data, this->index_len_);
} }
BLI_assert(emulated_v_count <= max_possible_verts); BLI_assert(emulated_v_count <= max_possible_verts);
/* Flush buffer and output. */ /* Flush buffer and output. */
optimized_ibo_->flush(); optimized_ibo_->flush();
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