From 8a0089eb81189ee68cf49cb33024940f1d6f081f Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Thu, 20 Sep 2018 21:23:16 -0700
Subject: [PATCH] Print driver information in VDPAU and VAAPI renderers

---
 app/streaming/video/ffmpeg-renderers/vaapi.cpp | 5 +++++
 app/streaming/video/ffmpeg-renderers/vdpau.cpp | 8 ++++++++
 app/streaming/video/ffmpeg-renderers/vdpau.h   | 1 +
 3 files changed, 14 insertions(+)

diff --git a/app/streaming/video/ffmpeg-renderers/vaapi.cpp b/app/streaming/video/ffmpeg-renderers/vaapi.cpp
index f4951ba2..8143af72 100644
--- a/app/streaming/video/ffmpeg-renderers/vaapi.cpp
+++ b/app/streaming/video/ffmpeg-renderers/vaapi.cpp
@@ -109,6 +109,11 @@ VAAPIRenderer::initialize(SDL_Window* window, int, int width, int height, int, b
                 "Initialized VAAPI %d.%d",
                 major, minor);
 
+    const char* vendorString = vaQueryVendorString(vaDeviceContext->display);
+    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                "Driver: %s",
+                vendorString ? vendorString : "<unknown>");
+
     // This will populate the driver_quirks
     err = av_hwdevice_ctx_init(m_HwContext);
     if (err < 0) {
diff --git a/app/streaming/video/ffmpeg-renderers/vdpau.cpp b/app/streaming/video/ffmpeg-renderers/vdpau.cpp
index 78ad351c..2bf65a5a 100644
--- a/app/streaming/video/ffmpeg-renderers/vdpau.cpp
+++ b/app/streaming/video/ffmpeg-renderers/vdpau.cpp
@@ -91,6 +91,7 @@ bool VDPAURenderer::initialize(SDL_Window* window, int, int width, int height, i
     GET_PROC_ADDRESS(VDP_FUNC_ID_OUTPUT_SURFACE_DESTROY, &m_VdpOutputSurfaceDestroy);
     GET_PROC_ADDRESS(VDP_FUNC_ID_OUTPUT_SURFACE_QUERY_CAPABILITIES, &m_VdpOutputSurfaceQueryCapabilities);
     GET_PROC_ADDRESS(VDP_FUNC_ID_VIDEO_SURFACE_GET_PARAMETERS, &m_VdpVideoSurfaceGetParameters);
+    GET_PROC_ADDRESS(VDP_FUNC_ID_GET_INFORMATION_STRING, &m_VdpGetInformationString);
 
     SDL_GetWindowSize(window, (int*)&m_DisplayWidth, (int*)&m_DisplayHeight);
 
@@ -130,6 +131,13 @@ bool VDPAURenderer::initialize(SDL_Window* window, int, int width, int height, i
         return false;
     }
 
+    const char* infoString;
+    if (m_VdpGetInformationString(&infoString) == VDP_STATUS_OK) {
+        SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
+                    "Driver: %s",
+                    infoString);
+    }
+
     // Try our available output formats to find something the GPU supports
     bool foundFormat = false;
     for (int i = 0; i < OUTPUT_SURFACE_FORMAT_COUNT; i++) {
diff --git a/app/streaming/video/ffmpeg-renderers/vdpau.h b/app/streaming/video/ffmpeg-renderers/vdpau.h
index c014f562..81a5ffdd 100644
--- a/app/streaming/video/ffmpeg-renderers/vdpau.h
+++ b/app/streaming/video/ffmpeg-renderers/vdpau.h
@@ -56,6 +56,7 @@ private:
     VdpOutputSurfaceDestroy* m_VdpOutputSurfaceDestroy;
     VdpOutputSurfaceQueryCapabilities* m_VdpOutputSurfaceQueryCapabilities;
     VdpVideoSurfaceGetParameters* m_VdpVideoSurfaceGetParameters;
+    VdpGetInformationString* m_VdpGetInformationString;
 
     // X11 stuff
     VdpPresentationQueueTargetCreateX11* m_VdpPresentationQueueTargetCreateX11;