From 59ab65919f9292b9aa324d1406033786c34cf4ce Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Fri, 11 Dec 2015 01:55:33 +0300
Subject: In mobileopengl2graphics update texture size uniform only if size
 changed.

---
 src/render/mobileopengl2graphics.cpp | 15 +++++++++++----
 src/render/mobileopengl2graphics.h   |  5 ++++-
 2 files changed, 15 insertions(+), 5 deletions(-)

(limited to 'src/render')

diff --git a/src/render/mobileopengl2graphics.cpp b/src/render/mobileopengl2graphics.cpp
index 668734845..8e34cbbe5 100644
--- a/src/render/mobileopengl2graphics.cpp
+++ b/src/render/mobileopengl2graphics.cpp
@@ -77,6 +77,8 @@
 
 GLuint MobileOpenGL2Graphics::mTextureBinded = 0U;
 GLuint MobileOpenGL2Graphics::mTextureSizeUniform = 0U;
+int MobileOpenGL2Graphics::mTextureWidth = 1;
+int MobileOpenGL2Graphics::mTextureHeight = 1;
 #ifdef DEBUG_DRAW_CALLS
 unsigned int MobileOpenGL2Graphics::mDrawCalls = 0U;
 unsigned int MobileOpenGL2Graphics::mLastDrawCalls = 0U;
@@ -1118,10 +1120,15 @@ void MobileOpenGL2Graphics::bindTexture2(const GLenum target,
     {
         mTextureBinded = texture;
         glBindTexture(target, texture);
-        // need check sizes before update uniform
-        mglUniform2f(mTextureSizeUniform,
-            image->mTexWidth,
-            image->mTexHeight);
+        if (mTextureWidth != image->mTexWidth ||
+            mTextureHeight != image->mTexHeight)
+        {
+            mTextureWidth = image->mTexWidth;
+            mTextureHeight = image->mTexHeight;
+            mglUniform2f(mTextureSizeUniform,
+                image->mTexWidth,
+                image->mTexHeight);
+        }
     }
 }
 
diff --git a/src/render/mobileopengl2graphics.h b/src/render/mobileopengl2graphics.h
index 1a9ce3284..0a5edc564 100644
--- a/src/render/mobileopengl2graphics.h
+++ b/src/render/mobileopengl2graphics.h
@@ -108,6 +108,10 @@ class MobileOpenGL2Graphics final : public Graphics
         static void bindTexture2(const GLenum target,
                                  const Image *const image);
 
+        static GLuint mTextureSizeUniform;
+        static int mTextureWidth;
+        static int mTextureHeight;
+
         GLfloat *mFloatArray A_NONNULLPOINTER;
         GLfloat *mFloatArrayCached A_NONNULLPOINTER;
         ShaderProgram *mProgram;
@@ -118,7 +122,6 @@ class MobileOpenGL2Graphics final : public Graphics
         int mMaxVertices;
         GLuint mProgramId;
         GLuint mSimpleColorUniform;
-        static GLuint mTextureSizeUniform;
         GLint mPosAttrib;
         GLint mTextureColorUniform;
         GLuint mScreenUniform;
-- 
cgit v1.2.3-60-g2f50