opengl: remove locks from texture

These are not used anymore and are therefore unnecessary.

app/render/backend/opengl/openglbackend.cpp

@@ -128,8 +128,6 @@ void OpenGLBackend::ParamsChangedEvent()
 
 OpenGLTexturePtr OpenGLBackend::CopyTexture(OpenGLTexturePtr input)
 {
-  input->Lock();
-
   QOpenGLContext* ctx = QOpenGLContext::currentContext();
 
   OpenGLTexturePtr copy = std::make_shared<OpenGLTexture>();
@@ -147,7 +145,5 @@ OpenGLTexturePtr OpenGLBackend::CopyTexture(OpenGLTexturePtr input)
   copy_buffer_.Release();
   copy_buffer_.Detach();
 
-  input->Unlock();
-
   return copy;
 }

app/render/backend/opengl/openglproxy.cpp

@@ -364,8 +364,6 @@ void OpenGLProxy::TextureToBuffer(const QVariant &tex_in, QByteArray &buffer)
 
   PixelFormat::Info format_info = PixelService::GetPixelFormatInfo(video_params_.format());
 
-  texture->texture()->Lock();
-
   QOpenGLFunctions* f = QOpenGLContext::currentContext()->functions();
   buffer_.Attach(texture->texture());
   buffer_.Bind();
@@ -380,8 +378,6 @@ void OpenGLProxy::TextureToBuffer(const QVariant &tex_in, QByteArray &buffer)
 
   buffer_.Release();
   buffer_.Detach();
-
-  texture->texture()->Unlock();
 }
 
 void OpenGLProxy::SetParameters(const VideoRenderingParams &params)

app/render/backend/opengl/opengltexture.cpp

@@ -156,16 +156,6 @@ void OpenGLTexture::Upload(const void *data)
   Release();
 }
 
-void OpenGLTexture::Lock()
-{
-  mutex_.lock();
-}
-
-void OpenGLTexture::Unlock()
-{
-  mutex_.unlock();
-}
-
 void OpenGLTexture::CreateInternal(QOpenGLContext* create_ctx, GLuint* tex, const void *data)
 {
   QOpenGLFunctions* f = create_ctx->functions();

app/render/backend/opengl/opengltexture.h

@@ -22,7 +22,6 @@
 #define OPENGLTEXTURE_H
 
 #include <memory>
-#include <QMutex>
 #include <QOpenGLFunctions>
 
 #include "codec/frame.h"
@@ -60,10 +59,6 @@ public:
 
   void Upload(const void *data);
 
-  void Lock();
-
-  void Unlock();
-
 public slots:
   void Destroy();
 
@@ -80,8 +75,6 @@ private:
 
   PixelFormat::Format format_;
 
-  QMutex mutex_;
-
 };
 
 using OpenGLTexturePtr = std::shared_ptr<OpenGLTexture>;