Fix deskto portal capture on nvidia (add missing modifiers)

include/egl.h

@@ -31,7 +31,6 @@ typedef void* EGLSurface;
 typedef void* EGLContext;
 typedef void* EGLClientBuffer;
 typedef void* EGLImage;
-typedef void* EGLImageKHR;
 typedef void *GLeglImageOES;
 typedef void (*__eglMustCastToProperFunctionPointerType)(void);
 typedef struct __GLXFBConfigRec *GLXFBConfig;
@@ -122,8 +121,6 @@ typedef void(*__GLXextFuncPtr)(void);
 #define GL_COMPILE_STATUS                       0x8B81
 #define GL_LINK_STATUS                          0x8B82
 
-typedef unsigned int (*FUNC_eglExportDMABUFImageQueryMESA)(EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, uint64_t *modifiers);
-typedef unsigned int (*FUNC_eglExportDMABUFImageMESA)(EGLDisplay dpy, EGLImageKHR image, int *fds, int32_t *strides, int32_t *offsets);
 typedef void (*FUNC_glEGLImageTargetTexture2DOES)(unsigned int target, GLeglImageOES image);
 typedef GLXContext (*FUNC_glXCreateContextAttribsARB)(Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
 typedef void (*FUNC_glXSwapIntervalEXT)(Display * dpy, GLXDrawable drawable, int interval);
@@ -132,6 +129,7 @@ typedef int (*FUNC_glXSwapIntervalSGI)(int interval);
 typedef void (*GLDEBUGPROC)(unsigned int source, unsigned int type, unsigned int id, unsigned int severity, int length, const char *message, const void *userParam);
 typedef int (*FUNC_eglQueryDisplayAttribEXT)(EGLDisplay dpy, int32_t attribute, intptr_t *value);
 typedef const char* (*FUNC_eglQueryDeviceStringEXT)(void *device, int32_t name);
+typedef int (*FUNC_eglQueryDmaBufModifiersEXT)(EGLDisplay dpy, int32_t format, int32_t max_modifiers, uint64_t *modifiers, int *external_only, int32_t *num_modifiers);
 
 #define GSR_MAX_OUTPUTS 32
 
@@ -203,11 +201,10 @@ struct gsr_egl {
     unsigned int (*eglBindAPI)(unsigned int api);
     __eglMustCastToProperFunctionPointerType (*eglGetProcAddress)(const char *procname);
 
-    FUNC_eglExportDMABUFImageQueryMESA eglExportDMABUFImageQueryMESA;
-    FUNC_eglExportDMABUFImageMESA eglExportDMABUFImageMESA;
     FUNC_glEGLImageTargetTexture2DOES glEGLImageTargetTexture2DOES;
     FUNC_eglQueryDisplayAttribEXT eglQueryDisplayAttribEXT;
     FUNC_eglQueryDeviceStringEXT eglQueryDeviceStringEXT;
+    FUNC_eglQueryDmaBufModifiersEXT eglQueryDmaBufModifiersEXT;
 
     __GLXextFuncPtr (*glXGetProcAddress)(const unsigned char *procName);
     GLXFBConfig* (*glXChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);

src/capture/kms.c

@@ -232,6 +232,7 @@ static bool hdr_metadata_is_supported_format(const struct hdr_output_metadata *h
         hdr_metadata->hdmi_metadata_type1.eotf == HDMI_EOTF_SMPTE_ST2084;
 }
 
+// TODO: Check if this hdr data can be changed after the call to av_packet_side_data_add
 static void gsr_kms_set_hdr_metadata(gsr_capture_kms *self, AVStream *video_stream, gsr_kms_response_fd *drm_fd) {
     if(self->hdr_metadata_set)
         return;

src/capture/xcomposite.c

@@ -133,16 +133,6 @@ static int gsr_capture_xcomposite_start(gsr_capture *cap, AVCodecContext *video_
     // TODO: Get select and add these on top of it and then restore at the end. Also do the same in other xcomposite
     XSelectInput(self->params.egl->x11.dpy, self->window, StructureNotifyMask | ExposureMask);
 
-    if(!self->params.egl->eglExportDMABUFImageQueryMESA) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: could not find eglExportDMABUFImageQueryMESA\n");
-        return -1;
-    }
-
-    if(!self->params.egl->eglExportDMABUFImageMESA) {
-        fprintf(stderr, "gsr error: gsr_capture_xcomposite_start: could not find eglExportDMABUFImageMESA\n");
-        return -1;
-    }
-
     /* Disable vsync */
     self->params.egl->eglSwapInterval(self->params.egl->egl_display, 0);
     if(window_texture_init(&self->window_texture, self->params.egl->x11.dpy, self->window, self->params.egl) != 0 && !self->params.follow_focused) {

src/egl.c

@@ -358,11 +358,10 @@ static bool gsr_egl_load_egl(gsr_egl *self, void *library) {
 }
 
 static bool gsr_egl_proc_load_egl(gsr_egl *self) {
-    self->eglExportDMABUFImageQueryMESA = (FUNC_eglExportDMABUFImageQueryMESA)self->eglGetProcAddress("eglExportDMABUFImageQueryMESA");
-    self->eglExportDMABUFImageMESA = (FUNC_eglExportDMABUFImageMESA)self->eglGetProcAddress("eglExportDMABUFImageMESA");
     self->glEGLImageTargetTexture2DOES = (FUNC_glEGLImageTargetTexture2DOES)self->eglGetProcAddress("glEGLImageTargetTexture2DOES");
     self->eglQueryDisplayAttribEXT = (FUNC_eglQueryDisplayAttribEXT)self->eglGetProcAddress("eglQueryDisplayAttribEXT");
     self->eglQueryDeviceStringEXT = (FUNC_eglQueryDeviceStringEXT)self->eglGetProcAddress("eglQueryDeviceStringEXT");
+    self->eglQueryDmaBufModifiersEXT = (FUNC_eglQueryDmaBufModifiersEXT)self->eglGetProcAddress("eglQueryDmaBufModifiersEXT");
 
     if(!self->glEGLImageTargetTexture2DOES) {
         fprintf(stderr, "gsr error: gsr_egl_load failed: could not find glEGLImageTargetTexture2DOES\n");

src/pipewire.c

@@ -313,7 +313,7 @@ static inline struct spa_pod *build_format(struct spa_pod_builder *b,
     return spa_pod_builder_pop(b, &format_frame);
 }
 
-#define NUM_FORMATS 10
+#define NUM_VIDEO_FORMATS 10
 
 /* https://gstreamer.freedesktop.org/documentation/additional/design/mediatype-video-raw.html?gi-language=c#formats */
 /* For some reason gstreamer formats are in opposite order to drm formats */
@@ -334,28 +334,56 @@ static int64_t spa_video_format_to_drm_format(const enum spa_video_format format
     return DRM_FORMAT_INVALID;
 }
 
+static const enum spa_video_format supported_video_formats[] = {
+    SPA_VIDEO_FORMAT_BGRx,
+    SPA_VIDEO_FORMAT_BGRA,
+    SPA_VIDEO_FORMAT_ABGR,
+    SPA_VIDEO_FORMAT_xBGR,
+    SPA_VIDEO_FORMAT_BGR,
+    SPA_VIDEO_FORMAT_RGBx,
+    SPA_VIDEO_FORMAT_xRGB,
+    SPA_VIDEO_FORMAT_RGBA,
+    SPA_VIDEO_FORMAT_ARGB,
+    SPA_VIDEO_FORMAT_RGB,
+};
+
+static void spa_video_format_get_modifiers(gsr_pipewire *self, const enum spa_video_format format, uint64_t *modifiers, int32_t max_modifiers, int32_t *num_modifiers) {
+    *num_modifiers = 0;
+
+    if(!self->egl->eglQueryDmaBufModifiersEXT) {
+        fprintf(stderr, "gsr error: spa_video_format_get_modifiers: failed to initialize modifiers because eglQueryDmaBufModifiersEXT is not available\n");
+        modifiers[0] = DRM_FORMAT_MOD_LINEAR;
+        modifiers[1] = DRM_FORMAT_MOD_INVALID;
+        *num_modifiers = 2;
+        return;
+    }
+
+    const int64_t drm_format = spa_video_format_to_drm_format(format);
+    if(!self->egl->eglQueryDmaBufModifiersEXT(self->egl->egl_display, drm_format, max_modifiers, modifiers, NULL, num_modifiers)) {
+        fprintf(stderr, "gsr error: spa_video_format_get_modifiers: eglQueryDmaBufModifiersEXT failed with drm format %" PRIi64 "\n", drm_format);
+        modifiers[0] = DRM_FORMAT_MOD_LINEAR;
+        modifiers[1] = DRM_FORMAT_MOD_INVALID;
+        *num_modifiers = 2;
+        return;
+    }
+
+    if(*num_modifiers + 2 <= max_modifiers) {
+        modifiers[*num_modifiers + 0] = DRM_FORMAT_MOD_LINEAR;
+        modifiers[*num_modifiers + 1] = DRM_FORMAT_MOD_INVALID;
+        *num_modifiers += 2;
+    }
+}
+
 static bool gsr_pipewire_build_format_params(gsr_pipewire *self, struct spa_pod_builder *pod_builder, struct spa_pod **params) {
     if(!check_pw_version(&self->server_version, 0, 3, 33))
         return false;
 
-    const enum spa_video_format formats[] = {
+    uint64_t modifiers[1024];
-        SPA_VIDEO_FORMAT_RGBx,
+    int32_t num_modifiers = 0;
-        SPA_VIDEO_FORMAT_BGRx,
+    for(size_t i = 0; i < NUM_VIDEO_FORMATS; i++) {
-        SPA_VIDEO_FORMAT_xRGB,
+        const enum spa_video_format format = supported_video_formats[i];
-        SPA_VIDEO_FORMAT_xBGR,
+        spa_video_format_get_modifiers(self, format, modifiers, sizeof(modifiers), &num_modifiers);
-        SPA_VIDEO_FORMAT_RGBA,
+        params[i] = build_format(pod_builder, &self->video_info, format, modifiers, num_modifiers);
-        SPA_VIDEO_FORMAT_BGRA,
-        SPA_VIDEO_FORMAT_ARGB,
-        SPA_VIDEO_FORMAT_ABGR,
-        SPA_VIDEO_FORMAT_RGB,
-        SPA_VIDEO_FORMAT_BGR,
-    };
-
-    const uint64_t modifiers[] = { DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID };
-
-    for (size_t i = 0; i < NUM_FORMATS; i++) {
-        enum spa_video_format format = formats[i];
-        params[i] = build_format(pod_builder, &self->video_info, format, modifiers, 2);
     }
 
     return true;
@@ -367,7 +395,7 @@ static void renegotiate_format(void *data, uint64_t expirations) {
 
     pw_thread_loop_lock(self->thread_loop);
 
-    struct spa_pod *params[NUM_FORMATS];
+    struct spa_pod *params[NUM_VIDEO_FORMATS];
     uint8_t params_buffer[2048];
     struct spa_pod_builder pod_builder = SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer));
     if (!gsr_pipewire_build_format_params(self, &pod_builder, params)) {
@@ -375,12 +403,12 @@ static void renegotiate_format(void *data, uint64_t expirations) {
         return;
     }
 
-    pw_stream_update_params(self->stream, (const struct spa_pod**)params, NUM_FORMATS);
+    pw_stream_update_params(self->stream, (const struct spa_pod**)params, NUM_VIDEO_FORMATS);
     pw_thread_loop_unlock(self->thread_loop);
 }
 
 static bool gsr_pipewire_setup_stream(gsr_pipewire *self) {
-    struct spa_pod *params[NUM_FORMATS];
+    struct spa_pod *params[NUM_VIDEO_FORMATS];
     uint8_t params_buffer[2048];
     struct spa_pod_builder pod_builder = SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer));
 
@@ -445,7 +473,7 @@ static bool gsr_pipewire_setup_stream(gsr_pipewire *self) {
     if(pw_stream_connect(
         self->stream, PW_DIRECTION_INPUT, self->node,
         PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_MAP_BUFFERS, (const struct spa_pod**)params,
-        NUM_FORMATS) < 0)
+        NUM_VIDEO_FORMATS) < 0)
     {
         pw_thread_loop_unlock(self->thread_loop);
         fprintf(stderr, "gsr error: gsr_pipewire_setup_stream: failed to connect stream\n");