*stats

1 files changed, 26 insertions, 3 deletions

diff --git a/src/libjin/graphics/je_gl.cpp b/src/libjin/graphics/je_gl.cpp
index 7ef4ee0..24b0a48 100644
--- a/src/libjin/graphics/je_gl.cpp
+++ b/src/libjin/graphics/je_gl.cpp
@@ -23,6 +23,7 @@ namespace JinEngine
         OpenGL::OpenGL()
             : mBlendMode(BlendMode::NONE)
         {
+            memset(&mStats, 0, sizeof(mStats));
             memset(&mColor, 0xff, sizeof(mColor));
             // Set default modelview matrix.
             mModelViewMatrices.push_back(Matrix());
@@ -102,6 +103,7 @@ namespace JinEngine
         void OpenGL::drawArrays(GLenum mode, GLint first, GLsizei count)
         {
             glDrawArrays(mode, first, count);
+            ++mStats.drawCalls;
         }
 
         void OpenGL::drawBuffer(GLenum mode)
@@ -278,10 +280,12 @@ namespace JinEngine
 
         void OpenGL::useShader(Shaders::Shader* shader)
         {
-            if (shader)
+            if (mShader != shader && shader)
             {
                 glUseProgram(shader->getGLProgramID());
                 mShader = shader;
+
+                ++mStats.shaderSwitches;
             }
         }
 
@@ -301,7 +305,7 @@ namespace JinEngine
 
         void OpenGL::bindCanvas(Canvas* canvas)
         {
-            if (canvas)
+            if (mCanvas != canvas && canvas)
             {
                 GLuint fbo = canvas->getGLFrameBuffer();
                 gl.bindFrameBuffer(fbo);
@@ -311,6 +315,8 @@ namespace JinEngine
                 gl.setProjectionMatrix(0, w, 0, h, -1, 1);
 
                 mCanvas = canvas;
+
+                ++mStats.canvasSwitches;
             }
         }
 
@@ -344,8 +350,12 @@ namespace JinEngine
 
         void OpenGL::setFont(Fonts::Font* font)
         {
-            if (font)
+            if (mFont != font && font)
+            {
                 mFont = font;
+
+                ++mStats.fontSwitches;
+            }
         }
 
         void OpenGL::unsetFont()
@@ -358,5 +368,18 @@ namespace JinEngine
             return mFont;
         }
 
+        void OpenGL::resetStats()
+        {
+            mStats.drawCalls = 0;
+            mStats.canvasSwitches = 0;
+            mStats.shaderSwitches = 0;
+            mStats.fontSwitches = 0;
+        }
+
+        OpenGL::Stats& OpenGL::getStats()
+        {
+            return mStats;
+        }
+
     } // namespace Graphics
 } // namespace JinEngine
\ No newline at end of file