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Decrease normal capture buffer to single image

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This commit is contained in:
ns6089
2023-03-29 18:07:20 +03:00
committed by Cameron Gutman
parent 191b929ab0
commit eed27d3c0a
12 changed files with 333 additions and 145 deletions
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64
src/platform/linux/wlgrab.cpp
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@@ -80,7 +80,7 @@ namespace wl {
}
inline platf::capture_e
snapshot(platf::img_t *img_out_base, std::chrono::milliseconds timeout, bool cursor) {
snapshot(const pull_free_image_cb_t &pull_free_image_cb, std::shared_ptr<platf::img_t> &img_out, std::chrono::milliseconds timeout, bool cursor) {
auto to = std::chrono::steady_clock::now() + timeout;
dmabuf.listen(interface.dmabuf_manager, output, cursor);
@@ -118,10 +118,10 @@ namespace wl {
class wlr_ram_t: public wlr_t {
public:
platf::capture_e
capture(snapshot_cb_t &&snapshot_cb, std::shared_ptr<platf::img_t> img, bool *cursor) override {
capture(const push_captured_image_cb_t &push_captured_image_cb, const pull_free_image_cb_t &pull_free_image_cb, bool *cursor) override {
auto next_frame = std::chrono::steady_clock::now();
while (img) {
while (true) {
auto now = std::chrono::steady_clock::now();
if (next_frame > now) {
@@ -132,16 +132,22 @@ namespace wl {
}
next_frame = now + delay;
auto status = snapshot(img.get(), 1000ms, *cursor);
std::shared_ptr<platf::img_t> img_out;
auto status = snapshot(pull_free_image_cb, img_out, 1000ms, *cursor);
switch (status) {
case platf::capture_e::reinit:
case platf::capture_e::error:
case platf::capture_e::interrupted:
return status;
case platf::capture_e::timeout:
img = snapshot_cb(img, false);
if (!push_captured_image_cb(std::move(img_out), false)) {
return platf::capture_e::ok;
}
break;
case platf::capture_e::ok:
img = snapshot_cb(img, true);
if (!push_captured_image_cb(std::move(img_out), true)) {
return platf::capture_e::ok;
}
break;
default:
BOOST_LOG(error) << "Unrecognized capture status ["sv << (int) status << ']';
@@ -153,8 +159,8 @@ namespace wl {
}
platf::capture_e
snapshot(platf::img_t *img_out_base, std::chrono::milliseconds timeout, bool cursor) {
auto status = wlr_t::snapshot(img_out_base, timeout, cursor);
snapshot(const pull_free_image_cb_t &pull_free_image_cb, std::shared_ptr<platf::img_t> &img_out, std::chrono::milliseconds timeout, bool cursor) {
auto status = wlr_t::snapshot(pull_free_image_cb, img_out, timeout, cursor);
if (status != platf::capture_e::ok) {
return status;
}
@@ -167,6 +173,10 @@ namespace wl {
return platf::capture_e::reinit;
}
if (!pull_free_image_cb(img_out)) {
return platf::capture_e::interrupted;
}
gl::ctx.BindTexture(GL_TEXTURE_2D, (*rgb_opt)->tex[0]);
int w, h;
@@ -174,7 +184,7 @@ namespace wl {
gl::ctx.GetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &h);
BOOST_LOG(debug) << "width and height: w "sv << w << " h "sv << h;
gl::ctx.GetTextureSubImage((*rgb_opt)->tex[0], 0, 0, 0, 0, width, height, 1, GL_BGRA, GL_UNSIGNED_BYTE, img_out_base->height * img_out_base->row_pitch, img_out_base->data);
gl::ctx.GetTextureSubImage((*rgb_opt)->tex[0], 0, 0, 0, 0, width, height, 1, GL_BGRA, GL_UNSIGNED_BYTE, img_out->height * img_out->row_pitch, img_out->data);
gl::ctx.BindTexture(GL_TEXTURE_2D, 0);
return platf::capture_e::ok;
@@ -229,10 +239,10 @@ namespace wl {
class wlr_vram_t: public wlr_t {
public:
platf::capture_e
capture(snapshot_cb_t &&snapshot_cb, std::shared_ptr<platf::img_t> img, bool *cursor) override {
capture(const push_captured_image_cb_t &push_captured_image_cb, const pull_free_image_cb_t &pull_free_image_cb, bool *cursor) override {
auto next_frame = std::chrono::steady_clock::now();
while (img) {
while (true) {
auto now = std::chrono::steady_clock::now();
if (next_frame > now) {
@@ -243,16 +253,22 @@ namespace wl {
}
next_frame = now + delay;
auto status = snapshot(img.get(), 1000ms, *cursor);
std::shared_ptr<platf::img_t> img_out;
auto status = snapshot(pull_free_image_cb, img_out, 1000ms, *cursor);
switch (status) {
case platf::capture_e::reinit:
case platf::capture_e::error:
case platf::capture_e::interrupted:
return status;
case platf::capture_e::timeout:
img = snapshot_cb(img, false);
if (!push_captured_image_cb(std::move(img_out), false)) {
return platf::capture_e::ok;
}
break;
case platf::capture_e::ok:
img = snapshot_cb(img, true);
if (!push_captured_image_cb(std::move(img_out), true)) {
return platf::capture_e::ok;
}
break;
default:
BOOST_LOG(error) << "Unrecognized capture status ["sv << (int) status << ']';
@@ -264,13 +280,16 @@ namespace wl {
}
platf::capture_e
snapshot(platf::img_t *img_out_base, std::chrono::milliseconds timeout, bool cursor) {
auto status = wlr_t::snapshot(img_out_base, timeout, cursor);
snapshot(const pull_free_image_cb_t &pull_free_image_cb, std::shared_ptr<platf::img_t> &img_out, std::chrono::milliseconds timeout, bool cursor) {
auto status = wlr_t::snapshot(pull_free_image_cb, img_out, timeout, cursor);
if (status != platf::capture_e::ok) {
return status;
}
auto img = (egl::img_descriptor_t *) img_out_base;
if (!pull_free_image_cb(img_out)) {
return platf::capture_e::interrupted;
}
auto img = (egl::img_descriptor_t *) img_out.get();
img->reset();
auto current_frame = dmabuf.current_frame;
@@ -311,7 +330,16 @@ namespace wl {
int
dummy_img(platf::img_t *img) override {
return snapshot(img, 1000ms, false) != platf::capture_e::ok;
// TODO: stop cheating and give black image
if (!img) {
return -1;
};
auto pull_dummy_img_callback = [&img](std::shared_ptr<platf::img_t> &img_out) -> bool {
img_out = img->shared_from_this();
return true;
};
std::shared_ptr<platf::img_t> img_out;
return snapshot(pull_dummy_img_callback, img_out, 1000ms, false) != platf::capture_e::ok;
}
std::uint64_t sequence {};