+ added proper value for a_TexCoord when the rendering is not hapening from the main texture

TODO: THIS IS ALL EXPERIMENTAL CODE, THESE VALUES WILL BE SETUP ON STARTUP AND NOT ON RUNTIME

Signed-off-by: Alexis Maiquez <almamu@almamu.com>

src/WallpaperEngine/Render/Objects/CImage.cpp

@@ -94,6 +94,17 @@ CImage::CImage (CScene* scene, Core::Objects::CImage* image) :
 
     memcpy (this->m_texCoordList, data2, sizeof (data2));
 
+    GLfloat data3 [] = {
+        0.0f, 0.0f,
+        1.0f, 0.0f,
+        0.0f, 1.0f,
+        0.0f, 1.0f,
+        1.0f, 0.0f,
+        1.0f, 1.0f
+    };
+
+    memcpy (this->m_passTexCoordList, data3, sizeof (data3));
+
     // bind vertex list to the openGL buffers
     glGenBuffers (1, &this->m_vertexBuffer);
     glBindBuffer (GL_ARRAY_BUFFER, this->m_vertexBuffer);
@@ -108,6 +119,10 @@ CImage::CImage (CScene* scene, Core::Objects::CImage* image) :
     glBindBuffer (GL_ARRAY_BUFFER, this->m_texCoordBuffer);
     glBufferData (GL_ARRAY_BUFFER, sizeof (this->m_texCoordList), this->m_texCoordList, GL_STATIC_DRAW);
 
+    glGenBuffers (1, &this->m_passTexCoordBuffer);
+    glBindBuffer (GL_ARRAY_BUFFER, this->m_passTexCoordBuffer);
+    glBufferData (GL_ARRAY_BUFFER, sizeof (this->m_passTexCoordList), this->m_passTexCoordList, GL_STATIC_DRAW);
+
     // generate the main material used to render the image
     this->m_material = new Effects::CMaterial (this, this->m_image->getMaterial ());
 
@@ -130,8 +145,6 @@ void CImage::render ()
     // get the orthogonal projection
     auto projection = this->getScene ()->getScene ()->getOrthogonalProjection ();
 
-    std::cout << "Rendering " << this->getImage ()->getName () << "\n";
-
     // pinpong current buffer
     this->getScene ()->pinpongFramebuffer (&drawTo, nullptr);
     // render all the other materials
@@ -285,4 +298,9 @@ const GLuint* CImage::getTexCoordBuffer () const
     return &this->m_texCoordBuffer;
 }
 
+const GLuint* CImage::getPassTexCoordBuffer () const
+{
+    return &this->m_passTexCoordBuffer;
+}
+
 const std::string CImage::Type = "image";

src/WallpaperEngine/Render/Objects/CImage.h

@@ -39,6 +39,7 @@ namespace WallpaperEngine::Render::Objects
         const GLuint* getVertexBuffer () const;
         const GLuint* getPassVertexBuffer () const;
         const GLuint* getTexCoordBuffer () const;
+        const GLuint* getPassTexCoordBuffer () const;
         const CTexture* getTexture () const;
 
     protected:
@@ -49,9 +50,11 @@ namespace WallpaperEngine::Render::Objects
         GLfloat m_vertexList [6 * 3];
         GLfloat m_passesVertexList [6 * 3];
         GLfloat m_texCoordList [6 * 2];
+        GLfloat m_passTexCoordList [6 * 2];
         GLuint m_vertexBuffer;
         GLuint m_passesVertexBuffer;
         GLuint m_texCoordBuffer;
+        GLuint m_passTexCoordBuffer;
         uint16_t m_vertexIndices [6];
 
 

src/WallpaperEngine/Render/Objects/Effects/CPass.cpp

@@ -63,7 +63,7 @@ void CPass::render (GLuint drawTo, GLuint input)
     // update a_TexCoord and a_Position based on what to draw to
     // this should not be required once we do some prediction on rendering things
     // but for now should be enough
-    this->a_TexCoord = *this->m_material->getImage ()->getTexCoordBuffer ();
+    this->a_TexCoord = (input == this->m_material->getImage ()->getTexture ()->getTextureID ()) ? *this->m_material->getImage ()->getTexCoordBuffer () : *this->m_material->getImage ()->getPassTexCoordBuffer ();
     this->a_Position = (drawTo > 0) ? *this->m_material->getImage ()->getPassVertexBuffer () : *this->m_material->getImage ()->getVertexBuffer ();
     // use the shader we have registered
     glUseProgram (this->m_programID);
@@ -140,7 +140,7 @@ void CPass::render (GLuint drawTo, GLuint input)
             glVertexAttribPointer ((*cur)->id, (*cur)->elements, (*cur)->type, GL_FALSE, 0, nullptr);
         }
     }
-    
+
     // start actual rendering now
     glBindBuffer (GL_ARRAY_BUFFER, (drawTo > 0) ? *this->m_material->getImage ()->getPassVertexBuffer () : *this->m_material->getImage ()->getVertexBuffer ());
     glDrawArrays (GL_TRIANGLES, 0, 6);