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kms capture: fix incorrect framebuffer capture size on steam deck on kde plasma wayland

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dec05eba
2026-01-13 01:24:44 +01:00
parent 6cbf660afa
commit b2f0d13512
1 changed files with 15 additions and 14 deletions
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29
src/capture/kms.c
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@@ -34,7 +34,8 @@ typedef struct {
vec2i capture_size;
MonitorId monitor_id;
gsr_monitor_rotation monitor_rotation;
gsr_monitor_rotation display_server_monitor_rotation;
gsr_monitor_rotation final_monitor_rotation;
unsigned int input_texture_id;
unsigned int external_input_texture_id;
@@ -137,8 +138,8 @@ static void monitor_callback(const gsr_monitor *monitor, void *userdata) {
fprintf(stderr, "gsr warning: reached max connector ids\n");
}
static vec2i rotate_capture_size_if_rotated(gsr_capture_kms *self, vec2i capture_size) {
if(self->monitor_rotation == GSR_MONITOR_ROT_90 || self->monitor_rotation == GSR_MONITOR_ROT_270) {
static vec2i rotate_capture_size_if_rotated(gsr_capture_kms *self, vec2i capture_size, gsr_monitor_rotation rotation) {
if(rotation == GSR_MONITOR_ROT_90 || rotation == GSR_MONITOR_ROT_270) {
int tmp_x = capture_size.x;
capture_size.x = capture_size.y;
capture_size.y = tmp_x;
@@ -172,14 +173,14 @@ static int gsr_capture_kms_start(gsr_capture *cap, gsr_capture_metadata *capture
monitor.name = self->params.display_to_capture;
vec2i monitor_position = {0, 0};
drm_monitor_get_display_server_data(self->params.egl->window, &monitor, &self->monitor_rotation, &monitor_position);
drm_monitor_get_display_server_data(self->params.egl->window, &monitor, &self->display_server_monitor_rotation, &monitor_position);
self->capture_pos = monitor.pos;
/* Monitor size is already rotated on x11 when the monitor is rotated, no need to apply it ourselves */
if(self->is_x11)
self->capture_size = monitor.size;
else
self->capture_size = rotate_capture_size_if_rotated(self, monitor.size);
self->capture_size = rotate_capture_size_if_rotated(self, monitor.size, self->display_server_monitor_rotation);
if(self->params.output_resolution.x > 0 && self->params.output_resolution.y > 0) {
self->params.output_resolution = scale_keep_aspect_ratio(self->capture_size, self->params.output_resolution);
@@ -403,7 +404,7 @@ static void render_drm_cursor(gsr_capture_kms *self, gsr_color_conversion *color
const vec2i cursor_size = {cursor_drm_fd->width, cursor_drm_fd->height};
const gsr_monitor_rotation cursor_plane_rotation = kms_rotation_to_gsr_monitor_rotation(cursor_drm_fd->rotation);
const gsr_monitor_rotation rotation = sub_rotations(self->monitor_rotation, cursor_plane_rotation);
const gsr_monitor_rotation rotation = sub_rotations(self->display_server_monitor_rotation, cursor_plane_rotation);
vec2i cursor_pos = {cursor_drm_fd->x, cursor_drm_fd->y};
switch(rotation) {
@@ -539,14 +540,14 @@ static void gsr_capture_kms_update_connector_ids(gsr_capture_kms *self) {
monitor.name = self->params.display_to_capture;
vec2i monitor_position = {0, 0};
// TODO: This is cached. We need it updated.
drm_monitor_get_display_server_data(self->params.egl->window, &monitor, &self->monitor_rotation, &monitor_position);
drm_monitor_get_display_server_data(self->params.egl->window, &monitor, &self->display_server_monitor_rotation, &monitor_position);
self->capture_pos = monitor.pos;
/* Monitor size is already rotated on x11 when the monitor is rotated, no need to apply it ourselves */
if(self->is_x11)
self->capture_size = monitor.size;
else
self->capture_size = rotate_capture_size_if_rotated(self, monitor.size);
self->capture_size = rotate_capture_size_if_rotated(self, monitor.size, self->display_server_monitor_rotation);
}
static void gsr_capture_kms_pre_capture(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion) {
@@ -571,7 +572,10 @@ static void gsr_capture_kms_pre_capture(gsr_capture *cap, gsr_capture_metadata *
if(self->drm_fd->has_hdr_metadata && self->params.hdr && hdr_metadata_is_supported_format(&self->drm_fd->hdr_metadata))
gsr_kms_set_hdr_metadata(self, self->drm_fd);
self->capture_size = rotate_capture_size_if_rotated(self, (vec2i){ self->drm_fd->src_w, self->drm_fd->src_h });
const gsr_monitor_rotation plane_rotation = kms_rotation_to_gsr_monitor_rotation(self->drm_fd->rotation);
self->final_monitor_rotation = self->capture_is_combined_plane ? GSR_MONITOR_ROT_0 : sub_rotations(self->display_server_monitor_rotation, plane_rotation);
self->capture_size = rotate_capture_size_if_rotated(self, (vec2i){ self->drm_fd->src_w, self->drm_fd->src_h }, self->final_monitor_rotation);
if(self->params.region_size.x > 0 && self->params.region_size.y > 0)
self->capture_size = self->params.region_size;
@@ -603,13 +607,10 @@ static int gsr_capture_kms_capture(gsr_capture *cap, gsr_capture_metadata *captu
self->params.egl->eglDestroyImage(self->params.egl->egl_display, image);
}
const gsr_monitor_rotation plane_rotation = kms_rotation_to_gsr_monitor_rotation(self->drm_fd->rotation);
const gsr_monitor_rotation rotation = self->capture_is_combined_plane ? GSR_MONITOR_ROT_0 : sub_rotations(self->monitor_rotation, plane_rotation);
gsr_color_conversion_draw(color_conversion, self->external_texture_fallback ? self->external_input_texture_id : self->input_texture_id,
self->target_pos, self->output_size,
capture_pos, self->capture_size, (vec2i){ self->drm_fd->width, self->drm_fd->height },
gsr_monitor_rotation_to_rotation(rotation), capture_metadata->flip, GSR_SOURCE_COLOR_RGB, self->external_texture_fallback);
gsr_monitor_rotation_to_rotation(self->final_monitor_rotation), capture_metadata->flip, GSR_SOURCE_COLOR_RGB, self->external_texture_fallback);
if(self->params.record_cursor) {
gsr_kms_response_item *cursor_drm_fd = find_cursor_drm_if_on_monitor(self, self->drm_fd->connector_id, self->capture_is_combined_plane);
@@ -623,7 +624,7 @@ static int gsr_capture_kms_capture(gsr_capture *cap, gsr_capture_metadata *captu
cursor_monitor_offset.y += self->params.region_position.y;
render_x11_cursor(self, color_conversion, capture_metadata, cursor_monitor_offset, self->target_pos, self->output_size);
} else if(cursor_drm_fd) {
const vec2i framebuffer_size = rotate_capture_size_if_rotated(self, (vec2i){ self->drm_fd->src_w, self->drm_fd->src_h });
const vec2i framebuffer_size = rotate_capture_size_if_rotated(self, (vec2i){ self->drm_fd->src_w, self->drm_fd->src_h }, self->final_monitor_rotation);
render_drm_cursor(self, color_conversion, capture_metadata, cursor_drm_fd, self->target_pos, self->output_size, framebuffer_size);
}
}