10 #include "flutter/fml/trace_event.h"
19 std::shared_ptr<Allocation> backing_store)
21 reactor_(
std::move(reactor)),
24 backing_store_(
std::move(backing_store)) {}
29 reactor_->CollectHandle(handle_);
34 uint8_t* DeviceBufferGLES::OnGetContents()
const {
38 return backing_store_->GetBuffer();
42 bool DeviceBufferGLES::OnCopyHostBuffer(
const uint8_t* source,
49 if (
offset + source_range.length > backing_store_->GetLength()) {
53 std::memmove(backing_store_->GetBuffer() +
offset,
54 source + source_range.offset, source_range.length);
67 return GL_ARRAY_BUFFER;
69 return GL_ELEMENT_ARRAY_BUFFER;
79 auto buffer = reactor_->GetGLHandle(handle_);
80 if (!buffer.has_value()) {
84 const auto target_type =
ToTarget(type);
85 const auto& gl = reactor_->GetProcTable();
87 gl.BindBuffer(target_type, buffer.value());
89 if (upload_generation_ != generation_) {
90 TRACE_EVENT1(
"impeller",
"BufferData",
"Bytes",
91 std::to_string(backing_store_->GetLength()).c_str());
92 gl.BufferData(target_type, backing_store_->GetLength(),
93 backing_store_->GetBuffer(), GL_STATIC_DRAW);
94 upload_generation_ = generation_;
101 bool DeviceBufferGLES::SetLabel(
const std::string& label) {
102 reactor_->SetDebugLabel(handle_, label);
107 bool DeviceBufferGLES::SetLabel(
const std::string& label, Range range) {
110 return SetLabel(label);
114 return backing_store_->GetBuffer();
118 const std::function<
void(uint8_t* data,
size_t length)>&
119 update_buffer_data) {
120 if (update_buffer_data) {
121 update_buffer_data(backing_store_->GetBuffer(),
122 backing_store_->GetLength());