From 6a31404aa0659cdbdf659de34a5af3031d4b3fd1 Mon Sep 17 00:00:00 2001
From: jojo61 <joachim.koenig@gmx.net>
Date: Mon, 22 Jun 2020 16:35:37 +0200
Subject: [PATCH] Optimize for hbbtv plugin

---
 openglosd.cpp |  7 ++++++-
 video.c       | 14 ++++++++++----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/openglosd.cpp b/openglosd.cpp
index 8abfc1c..edd8f77 100644
--- a/openglosd.cpp
+++ b/openglosd.cpp
@@ -84,6 +84,8 @@ uniform sampler2D screenTexture; \
 void main() \
 { \
     color = texture(screenTexture, TexCoords) * alphaValue; \
+	if (color == vec4(0.0,0.0,0.0,1.0))\
+	  color.a = 0.0;\
 } \
 ";
 
@@ -747,6 +749,9 @@ void cOglVb::SetShaderColor(GLint color)
 
 void cOglVb::SetShaderAlpha(GLint alpha)
 {
+	GLfloat a = (GLfloat) (alpha) / 255.0f;
+	if (a > 0.98)
+		a = 1.0;
     Shaders[shader]->SetVector4f("alpha", 1.0f, 1.0f, 1.0f, (GLfloat) (alpha) / 255.0f);
 }
 
@@ -1272,7 +1277,7 @@ cOglCmdDrawText::cOglCmdDrawText(cOglFb * fb, GLint x, GLint y, unsigned int *sy
     this->x = x;
     this->y = y;
     this->limitX = limitX;
-    this->colorText = colorText;
+    this->colorText = colorText & 0xfeffffff;
     this->fontSize = fontSize;
     this->symbols = symbols;
     this->fontName = name;
diff --git a/video.c b/video.c
index 0605377..e55963f 100644
--- a/video.c
+++ b/video.c
@@ -1557,9 +1557,12 @@ static void CuvidDestroySurfaces(CuvidDecoder * decoder)
 #endif
 #endif
  
-#if defined PLACEBO && API_VER >= 58    
+#ifdef PLACEBO 
+    pl_gpu_finish(p->gpu);
+#if API_VER >= 58    
     p->num_shaders = 0;
-#endif    
+#endif
+#endif
     
     for (i = 0; i < decoder->SurfacesNeeded; i++) {
         if (decoder->frames[i]) {
@@ -3875,7 +3878,10 @@ static void CuvidMixVideo(CuvidDecoder * decoder, __attribute__((unused))
         }
     }   
     render_params.hooks = &p->hook;
-    render_params.num_hooks = p->num_shaders;
+    if (ovl)
+      render_params.num_hooks = 0;   // no shaders when OSD activ 
+    else
+      render_params.num_hooks = p->num_shaders;
 #endif
     
     if (decoder->newchannel && current == 0) {
@@ -5465,7 +5471,7 @@ void exit_display()
     if (osdoverlay.plane.texture)
         pl_tex_destroy(p->gpu, &osdoverlay.plane.texture);
 
-    pl_renderer_destroy(&p->renderer);
+ //   pl_renderer_destroy(&p->renderer);
     if (p->renderertest) {
         pl_renderer_destroy(&p->renderertest);
         p->renderertest = NULL;