Fixed blending (for now)

src/dawnopengl/display/RenderManager.cpp

@@ -32,7 +32,7 @@ void RenderManager::init() {
   // Prepare the initial values
   glEnable(GL_TEXTURE_2D);
   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
   glDepthMask(GL_TRUE);
   glDepthFunc(GL_LESS);
 }

src/dawnopengl/display/shader/shaders/UIShader.hpp

@@ -7,7 +7,7 @@
 #include "display/shader/Shader.hpp"
 #include "display/shader/buffers/RenderPipelineShaderBuffer.hpp"
 
-#define UI_SHADER_PROGRAM_PRIORITY 100
+#define UI_SHADER_PROGRAM_PRIORITY 1000
 
 namespace Dawn {
   struct UICanvasShaderParameterBufferData {

src/dawnopengl/scene/components/display/material/SimpleTexturedMaterial.cpp

@@ -36,9 +36,17 @@ std::vector<struct ShaderPassItem> SimpleTexturedMaterial::getRenderPasses(IRend
   onlyPass.matrixValues[shader->paramModel] = this->transform->getWorldTransform();
   onlyPass.parameterBuffers[shader->bufferRenderPipeline] = &context.renderPipeline->shaderBuffer;
 
-  onlyPass.renderFlags = (
-    RENDER_MANAGER_RENDER_FLAG_BLEND
-  );
+  if(this->opaque) {
+    onlyPass.renderFlags = (
+      RENDER_MANAGER_RENDER_FLAG_DEPTH_TEST
+    );
+  } else {
+    onlyPass.priority = 100;
+    onlyPass.renderFlags = (
+      RENDER_MANAGER_RENDER_FLAG_BLEND
+    );
+  }
+
 
   if(this->texture != nullptr) {
     onlyPass.boolValues[shader->paramHasTexture] = true;

src/dawnopengl/scene/components/display/material/SimpleTexturedMaterial.hpp

@@ -17,6 +17,8 @@ namespace Dawn {
       Texture *texture = nullptr;
       // @optional
       struct Color color = COLOR_WHITE;
+      // @optional
+      bool_t opaque = true;
 
       /**
        * SimpleTexturedShader scene item component interface.