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Support wlroots screen capture, which doesn't require kms root access and also captures cursor

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dec05eba
2023-07-21 02:49:02 +02:00
parent 585382cf18
commit de019711d1
8 changed files with 586 additions and 374 deletions
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140
src/capture/kms_cuda.c
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@@ -34,6 +34,8 @@ typedef struct {
gsr_kms_client kms_client;
gsr_kms_response kms_response;
gsr_kms_response_fd wayland_kms_data;
bool using_wayland_capture;
vec2i capture_pos;
vec2i capture_size;
@@ -131,36 +133,47 @@ static void monitor_callback(const gsr_monitor *monitor, void *userdata) {
static int gsr_capture_kms_cuda_start(gsr_capture *cap, AVCodecContext *video_codec_context) {
gsr_capture_kms_cuda *cap_kms = cap->priv;
if(gsr_kms_client_init(&cap_kms->kms_client, cap_kms->params.card_path) != 0) {
return -1;
}
cap_kms->monitor_id.num_connector_ids = 0;
MonitorCallbackUserdata monitor_callback_userdata = {
cap_kms,
cap_kms->params.display_to_capture, strlen(cap_kms->params.display_to_capture),
0
};
for_each_active_monitor_output((void*)cap_kms->params.card_path, GSR_CONNECTION_DRM, monitor_callback, &monitor_callback_userdata);
gsr_monitor monitor;
if(!get_monitor_by_name((void*)cap_kms->params.card_path, GSR_CONNECTION_DRM, cap_kms->params.display_to_capture, &monitor)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to find monitor by name \"%s\"\n", cap_kms->params.display_to_capture);
if(!gsr_egl_load(&cap_kms->egl, NULL, true)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to load opengl\n");
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
gsr_monitor monitor;
cap_kms->monitor_id.num_connector_ids = 0;
if(gsr_egl_start_capture(&cap_kms->egl, cap_kms->params.display_to_capture)) {
if(!get_monitor_by_name(&cap_kms->egl, GSR_CONNECTION_WAYLAND, cap_kms->params.display_to_capture, &monitor)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to find monitor by name \"%s\"\n", cap_kms->params.display_to_capture);
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
cap_kms->using_wayland_capture = true;
} else {
if(gsr_kms_client_init(&cap_kms->kms_client, cap_kms->params.card_path) != 0) {
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
MonitorCallbackUserdata monitor_callback_userdata = {
cap_kms,
cap_kms->params.display_to_capture, strlen(cap_kms->params.display_to_capture),
0
};
for_each_active_monitor_output((void*)cap_kms->params.card_path, GSR_CONNECTION_DRM, monitor_callback, &monitor_callback_userdata);
if(!get_monitor_by_name((void*)cap_kms->params.card_path, GSR_CONNECTION_DRM, cap_kms->params.display_to_capture, &monitor)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to find monitor by name \"%s\"\n", cap_kms->params.display_to_capture);
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
}
cap_kms->capture_pos = monitor.pos;
cap_kms->capture_size = monitor.size;
video_codec_context->width = max_int(2, even_number_ceil(cap_kms->capture_size.x));
video_codec_context->height = max_int(2, even_number_ceil(cap_kms->capture_size.y));
if(!gsr_egl_load(&cap_kms->egl, NULL, true)) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_start: failed to load opengl\n");
gsr_capture_kms_cuda_stop(cap, video_codec_context);
return -1;
}
/* Disable vsync */
cap_kms->egl.eglSwapInterval(cap_kms->egl.egl_display, 0);
@@ -183,8 +196,6 @@ static uint32_t fourcc(uint32_t a, uint32_t b, uint32_t c, uint32_t d) {
return (d << 24) | (c << 16) | (b << 8) | a;
}
#define FOURCC_NV12 842094158
static void gsr_capture_kms_cuda_tick(gsr_capture *cap, AVCodecContext *video_codec_context, AVFrame **frame) {
gsr_capture_kms_cuda *cap_kms = cap->priv;
@@ -278,8 +289,18 @@ static bool gsr_capture_kms_register_egl_image_in_cuda(gsr_capture_kms_cuda *cap
return false;
}
if(res != CUDA_SUCCESS) {
fprintf(stderr, "cuda error 1\n");
}
res = cap_kms->cuda.cuGraphicsResourceSetMapFlags(cap_kms->cuda_graphics_resource, CU_GRAPHICS_MAP_RESOURCE_FLAGS_READ_ONLY);
if(res != CUDA_SUCCESS) {
fprintf(stderr, "cuda error 2\n");
}
res = cap_kms->cuda.cuGraphicsSubResourceGetMappedArray(&cap_kms->mapped_array, cap_kms->cuda_graphics_resource, 0, 0);
if(res != CUDA_SUCCESS) {
fprintf(stderr, "cuda error 3\n");
}
res = cap_kms->cuda.cuCtxPopCurrent_v2(&old_ctx);
return true;
}
@@ -310,31 +331,49 @@ static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
}
cap_kms->kms_response.num_fds = 0;
if(gsr_kms_client_get_kms(&cap_kms->kms_client, &cap_kms->kms_response) != 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_capture: failed to get kms, error: %d (%s)\n", cap_kms->kms_response.result, cap_kms->kms_response.err_msg);
return -1;
}
if(cap_kms->kms_response.num_fds == 0) {
static bool error_shown = false;
if(!error_shown) {
error_shown = true;
fprintf(stderr, "gsr error: no drm found, capture will fail\n");
}
return -1;
}
gsr_kms_response_fd *drm_fd = NULL;
for(int i = 0; i < cap_kms->monitor_id.num_connector_ids; ++i) {
drm_fd = find_drm_by_connector_id(&cap_kms->kms_response, cap_kms->monitor_id.connector_ids[i]);
if(drm_fd)
break;
}
if(cap_kms->using_wayland_capture) {
gsr_egl_update(&cap_kms->egl);
cap_kms->wayland_kms_data.fd = cap_kms->egl.fd;
cap_kms->wayland_kms_data.width = cap_kms->egl.width;
cap_kms->wayland_kms_data.height = cap_kms->egl.height;
cap_kms->wayland_kms_data.pitch = cap_kms->egl.pitch;
cap_kms->wayland_kms_data.offset = cap_kms->egl.offset;
cap_kms->wayland_kms_data.pixel_format = cap_kms->egl.pixel_format;
cap_kms->wayland_kms_data.modifier = cap_kms->egl.modifier;
cap_kms->wayland_kms_data.connector_id = 0;
cap_kms->wayland_kms_data.is_combined_plane = false;
if(!drm_fd) {
drm_fd = find_first_combined_drm(&cap_kms->kms_response);
if(!drm_fd)
drm_fd = find_largest_drm(&cap_kms->kms_response);
if(cap_kms->wayland_kms_data.fd <= 0)
return -1;
drm_fd = &cap_kms->wayland_kms_data;
} else {
if(gsr_kms_client_get_kms(&cap_kms->kms_client, &cap_kms->kms_response) != 0) {
fprintf(stderr, "gsr error: gsr_capture_kms_cuda_capture: failed to get kms, error: %d (%s)\n", cap_kms->kms_response.result, cap_kms->kms_response.err_msg);
return -1;
}
if(cap_kms->kms_response.num_fds == 0) {
static bool error_shown = false;
if(!error_shown) {
error_shown = true;
fprintf(stderr, "gsr error: no drm found, capture will fail\n");
}
return -1;
}
for(int i = 0; i < cap_kms->monitor_id.num_connector_ids; ++i) {
drm_fd = find_drm_by_connector_id(&cap_kms->kms_response, cap_kms->monitor_id.connector_ids[i]);
if(drm_fd)
break;
}
if(!drm_fd) {
drm_fd = find_first_combined_drm(&cap_kms->kms_response);
if(!drm_fd)
drm_fd = find_largest_drm(&cap_kms->kms_response);
}
}
if(!drm_fd)
@@ -342,9 +381,6 @@ static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
//bool capture_is_combined_plane = drm_fd->is_combined_plane || ((int)drm_fd->width == cap_kms->screen_size.x && (int)drm_fd->height == cap_kms->screen_size.y);
//gsr_egl_cleanup_frame(&cap_kms->egl);
//gsr_egl_update(&cap_kms->egl);
const intptr_t img_attr[] = {
//EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
EGL_LINUX_DRM_FOURCC_EXT, fourcc('A', 'R', '2', '4'),//cap_kms->egl.pixel_format, ARGB8888
@@ -358,7 +394,13 @@ static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
EGL_NONE
};
while(cap_kms->egl.glGetError()) {}
while(cap_kms->egl.eglGetError() != EGL_SUCCESS){}
EGLImage image = cap_kms->egl.eglCreateImage(cap_kms->egl.egl_display, 0, EGL_LINUX_DMA_BUF_EXT, NULL, img_attr);
if(cap_kms->egl.glGetError() != 0 || cap_kms->egl.eglGetError() != EGL_SUCCESS) {
fprintf(stderr, "egl error!\n");
}
gsr_capture_kms_register_egl_image_in_cuda(cap_kms, image);
cap_kms->egl.eglDestroyImage(cap_kms->egl.egl_display, image);
@@ -385,6 +427,8 @@ static int gsr_capture_kms_cuda_capture(gsr_capture *cap, AVFrame *frame) {
gsr_capture_kms_unload_cuda_graphics(cap_kms);
gsr_egl_cleanup_frame(&cap_kms->egl);
for(int i = 0; i < cap_kms->kms_response.num_fds; ++i) {
if(cap_kms->kms_response.fds[i].fd > 0)
close(cap_kms->kms_response.fds[i].fd);