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Desktop portal capture: support rotated monitor capture on sway

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dec05eba
2025-07-29 23:30:00 +02:00
parent b7c8334679
commit a4b1ff28d5
4 changed files with 142 additions and 63 deletions
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57
src/capture/portal.c
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@@ -30,27 +30,21 @@ typedef struct {
gsr_pipewire_video pipewire;
vec2i capture_size;
gsr_pipewire_video_dmabuf_data dmabuf_data[GSR_PIPEWIRE_VIDEO_DMABUF_MAX_PLANES];
int num_dmabuf_data;
gsr_pipewire_video_region region;
gsr_pipewire_video_region cursor_region;
uint32_t pipewire_fourcc;
uint64_t pipewire_modifiers;
bool using_external_image;
gsr_map_texture_output pipewire_data;
bool should_stop;
bool stop_is_error;
} gsr_capture_portal;
static void gsr_capture_portal_cleanup_plane_fds(gsr_capture_portal *self) {
for(int i = 0; i < self->num_dmabuf_data; ++i) {
if(self->dmabuf_data[i].fd > 0) {
close(self->dmabuf_data[i].fd);
self->dmabuf_data[i].fd = 0;
for(int i = 0; i < self->pipewire_data.num_dmabuf_data; ++i) {
if(self->pipewire_data.dmabuf_data[i].fd > 0) {
close(self->pipewire_data.dmabuf_data[i].fd);
self->pipewire_data.dmabuf_data[i].fd = 0;
}
}
self->num_dmabuf_data = 0;
self->pipewire_data.num_dmabuf_data = 0;
}
static void gsr_capture_portal_stop(gsr_capture_portal *self) {
@@ -238,9 +232,9 @@ static bool gsr_capture_portal_get_frame_dimensions(gsr_capture_portal *self) {
const double start_time = clock_get_monotonic_seconds();
while(clock_get_monotonic_seconds() - start_time < 5.0) {
if(gsr_pipewire_video_map_texture(&self->pipewire, self->texture_map, &self->region, &self->cursor_region, self->dmabuf_data, &self->num_dmabuf_data, &self->pipewire_fourcc, &self->pipewire_modifiers, &self->using_external_image)) {
self->capture_size.x = self->region.width;
self->capture_size.y = self->region.height;
if(gsr_pipewire_video_map_texture(&self->pipewire, self->texture_map, &self->pipewire_data)) {
self->capture_size.x = self->pipewire_data.region.width;
self->capture_size.y = self->pipewire_data.region.height;
fprintf(stderr, "gsr info: gsr_capture_portal_start: pipewire negotiation finished\n");
return true;
}
@@ -347,11 +341,11 @@ static int gsr_capture_portal_capture(gsr_capture *cap, gsr_capture_metadata *ca
}
/* TODO: Handle formats other than RGB(A) */
if(self->num_dmabuf_data == 0) {
if(gsr_pipewire_video_map_texture(&self->pipewire, self->texture_map, &self->region, &self->cursor_region, self->dmabuf_data, &self->num_dmabuf_data, &self->pipewire_fourcc, &self->pipewire_modifiers, &self->using_external_image)) {
if(self->region.width != self->capture_size.x || self->region.height != self->capture_size.y) {
self->capture_size.x = self->region.width;
self->capture_size.y = self->region.height;
if(self->pipewire_data.num_dmabuf_data == 0) {
if(gsr_pipewire_video_map_texture(&self->pipewire, self->texture_map, &self->pipewire_data)) {
if(self->pipewire_data.region.width != self->capture_size.x || self->pipewire_data.region.height != self->capture_size.y) {
self->capture_size.x = self->pipewire_data.region.width;
self->capture_size.y = self->pipewire_data.region.height;
gsr_color_conversion_clear(color_conversion);
}
} else {
@@ -370,32 +364,35 @@ static int gsr_capture_portal_capture(gsr_capture *cap, gsr_capture_metadata *ca
// TODO: Handle region crop
const bool fourcc_alpha = fourcc_has_alpha(self->pipewire_fourcc);
const bool fourcc_alpha = fourcc_has_alpha(self->pipewire_data.fourcc);
if(fourcc_alpha)
gsr_color_conversion_clear(color_conversion);
gsr_color_conversion_draw(color_conversion, self->using_external_image ? self->texture_map.external_texture_id : self->texture_map.texture_id,
gsr_color_conversion_draw(color_conversion, self->pipewire_data.using_external_image ? self->texture_map.external_texture_id : self->texture_map.texture_id,
target_pos, output_size,
(vec2i){self->region.x, self->region.y}, self->capture_size, self->capture_size,
GSR_ROT_0, GSR_SOURCE_COLOR_RGB, self->using_external_image, fourcc_alpha);
(vec2i){self->pipewire_data.region.x, self->pipewire_data.region.y}, self->capture_size, self->capture_size,
gsr_monitor_rotation_to_rotation(self->pipewire_data.rotation), GSR_SOURCE_COLOR_RGB, self->pipewire_data.using_external_image, fourcc_alpha);
if(self->params.record_cursor && self->texture_map.cursor_texture_id > 0 && self->cursor_region.width > 0) {
if(self->params.record_cursor && self->texture_map.cursor_texture_id > 0 && self->pipewire_data.cursor_region.width > 0) {
const vec2d scale = {
self->capture_size.x == 0 ? 0 : (double)output_size.x / (double)self->capture_size.x,
self->capture_size.y == 0 ? 0 : (double)output_size.y / (double)self->capture_size.y
};
const vec2i cursor_pos = {
target_pos.x + (self->cursor_region.x * scale.x),
target_pos.y + (self->cursor_region.y * scale.y)
target_pos.x + (self->pipewire_data.cursor_region.x * scale.x),
target_pos.y + (self->pipewire_data.cursor_region.y * scale.y)
};
self->params.egl->glEnable(GL_SCISSOR_TEST);
self->params.egl->glScissor(target_pos.x, target_pos.y, output_size.x, output_size.y);
gsr_color_conversion_draw(color_conversion, self->texture_map.cursor_texture_id,
(vec2i){cursor_pos.x, cursor_pos.y}, (vec2i){self->cursor_region.width * scale.x, self->cursor_region.height * scale.y},
(vec2i){0, 0}, (vec2i){self->cursor_region.width, self->cursor_region.height}, (vec2i){self->cursor_region.width, self->cursor_region.height},
GSR_ROT_0, GSR_SOURCE_COLOR_RGB, false, true);
(vec2i){cursor_pos.x, cursor_pos.y},
(vec2i){self->pipewire_data.cursor_region.width * scale.x, self->pipewire_data.cursor_region.height * scale.y},
(vec2i){0, 0},
(vec2i){self->pipewire_data.cursor_region.width, self->pipewire_data.cursor_region.height},
(vec2i){self->pipewire_data.cursor_region.width, self->pipewire_data.cursor_region.height},
gsr_monitor_rotation_to_rotation(self->pipewire_data.rotation), GSR_SOURCE_COLOR_RGB, false, true);
self->params.egl->glDisable(GL_SCISSOR_TEST);
}