fullscreen setting checkbox + smth

src/graphics/core/GfxContext.cpp

@@ -5,6 +5,21 @@
 #include "Batch2D.hpp"
 #include "Framebuffer.hpp"
 
+static void set_blend_mode(BlendMode mode) {
+    switch (mode) {
+        case BlendMode::normal:
+            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+            break;
+        case BlendMode::addition:
+            glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+            break;
+        case BlendMode::inversion:
+            glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA);
+            break;
+    }
+}
+
+
 GfxContext::GfxContext(
     const GfxContext* parent, 
     const Viewport& viewport, 
@@ -53,7 +68,7 @@ GfxContext::~GfxContext() {
         else glEnable(GL_CULL_FACE);
     }
     if (blendMode != parent->blendMode) {
-        Window::setBlendMode(parent->blendMode);
+        set_blend_mode(parent->blendMode);
     }
 }
 
@@ -119,11 +134,11 @@ void GfxContext::setCullFace(bool flag) {
     }
 }
 
-void GfxContext::setBlendMode(blendmode mode) {
+void GfxContext::setBlendMode(BlendMode mode) {
     if (blendMode == mode)
         return;
     blendMode = mode;
-    Window::setBlendMode(mode);
+    set_blend_mode(mode);
 }
 
 void GfxContext::setScissors(glm::vec4 area) {

src/graphics/core/GfxContext.hpp

@@ -1,6 +1,7 @@
 #ifndef GRAPHICS_CORE_GFX_CONTEXT_HPP_
 #define GRAPHICS_CORE_GFX_CONTEXT_HPP_
 
+#include "commons.hpp"
 #include "Viewport.hpp"
 #include "../../window/Window.h"
 #include "../../typedefs.h"
@@ -16,7 +17,7 @@ class GfxContext {
     bool depthMask = true;
     bool depthTest = false;
     bool cullFace = false;
-    blendmode blendMode = blendmode::normal;
+    BlendMode blendMode = BlendMode::normal;
     int scissorsCount = 0;
 public:
     GfxContext(const GfxContext* parent, const Viewport& viewport, Batch2D* g2d);
@@ -31,7 +32,7 @@ public:
     void setDepthMask(bool flag);
     void setDepthTest(bool flag);
     void setCullFace(bool flag);
-    void setBlendMode(blendmode mode);
+    void setBlendMode(BlendMode mode);
     void setScissors(glm::vec4 area);
 };
 

src/graphics/core/commons.hpp

@@ -7,4 +7,8 @@ enum class DrawPrimitive {
     triangle,
 };
 
+enum class BlendMode {
+    normal, addition, inversion
+};
+
 #endif // GRAPHICS_CORE_COMMONS_HPP_