From 824db45311b08abdc673e609d50f106933cf948f Mon Sep 17 00:00:00 2001
From: renderexpert <expert@renderconsulting.co.uk>
Date: Fri, 24 Jan 2025 14:30:29 +0000
Subject: [PATCH] Remove Tegra support hacks

Signed-off-by: renderexpert <expert@renderconsulting.co.uk>
---
 drape/gl_gpu_program.cpp  | 16 ++--------------
 drape/support_manager.cpp |  4 ----
 drape/support_manager.hpp |  2 --
 3 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/drape/gl_gpu_program.cpp b/drape/gl_gpu_program.cpp
index 3a3bfedbcf..04471969fd 100644
--- a/drape/gl_gpu_program.cpp
+++ b/drape/gl_gpu_program.cpp
@@ -23,26 +23,14 @@ GLGpuProgram::GLGpuProgram(std::string const & programName,
   if (!GLFunctions::glLinkProgram(m_programID, errorLog))
     LOG(LERROR, ("Program ", programName, " link error = ", errorLog));
 
-  // On Tegra3 glGetActiveUniform isn't work if you detach shaders after linking.
   LoadUniformLocations();
 
-  // On Tegra2 we cannot detach shaders at all.
-  // https://devtalk.nvidia.com/default/topic/528941/alpha-blending-not-working-on-t20-and-t30-under-ice-cream-sandwich/
-  if (!SupportManager::Instance().IsTegraDevice())
-  {
-    GLFunctions::glDetachShader(m_programID, m_vertexShader->GetID());
-    GLFunctions::glDetachShader(m_programID, m_fragmentShader->GetID());
-  }
+  GLFunctions::glDetachShader(m_programID, m_vertexShader->GetID());
+  GLFunctions::glDetachShader(m_programID, m_fragmentShader->GetID());
 }
 
 GLGpuProgram::~GLGpuProgram()
 {
-  if (SupportManager::Instance().IsTegraDevice())
-  {
-    GLFunctions::glDetachShader(m_programID, m_vertexShader->GetID());
-    GLFunctions::glDetachShader(m_programID, m_fragmentShader->GetID());
-  }
-
   GLFunctions::glDeleteProgram(m_programID);
 }
 
diff --git a/drape/support_manager.cpp b/drape/support_manager.cpp
index cc71c30010..3b213636ea 100644
--- a/drape/support_manager.cpp
+++ b/drape/support_manager.cpp
@@ -32,10 +32,6 @@ void SupportManager::Init(ref_ptr<GraphicsContext> context)
   m_rendererVersion = context->GetRendererVersion();
   LOG(LINFO, ("Renderer =", m_rendererName, "| Api =", context->GetApiVersion(), "| Version =", m_rendererVersion));
 
-  m_isTegra = (m_rendererName.find("Tegra") != std::string::npos);
-  if (m_isTegra)
-    LOG(LINFO, ("NVidia Tegra device detected."));
-
   auto const apiVersion = context->GetApiVersion();
   if (apiVersion == dp::ApiVersion::OpenGLES3)
   {
diff --git a/drape/support_manager.hpp b/drape/support_manager.hpp
index e2e8e09aa0..f84c085b1c 100644
--- a/drape/support_manager.hpp
+++ b/drape/support_manager.hpp
@@ -26,7 +26,6 @@ public:
   // reinitialization.
   void Init(ref_ptr<GraphicsContext> context);
 
-  bool IsTegraDevice() const { return m_isTegra; }
   bool IsAntialiasingEnabledByDefault() const { return m_isAntialiasingEnabledByDefault; }
 
   float GetMaxLineWidth() const { return m_maxLineWidth; }
@@ -48,7 +47,6 @@ private:
 
   std::string m_rendererName;
   std::string m_rendererVersion;
-  bool m_isTegra = false;
   bool m_isAntialiasingEnabledByDefault = false;
 
   float m_maxLineWidth = 1;