Made emscripten work a bit better

src/dawnopengl/display/shader/Shader.hpp

@@ -64,7 +64,7 @@ namespace Dawn {
        */
       shaderbufferlocation_t getBufferLocationByName(std::string name);
 
-      virtual void compile() = 0;
+      virtual void compile() override = 0;
       void bind() override;
       void setParameterBuffer(shaderbufferlocation_t location, shaderbufferslot_t slot);
       void setMatrix(shaderparameter_t parameter, glm::mat4 matrix) override;

src/dawnopengl/display/shader/shaders/SimpleTexturedShader.cpp

@@ -15,7 +15,7 @@ void SimpleTexturedShader::compile() {
         { "aTexCoord", 1 }
       },
       // Vertex Shader
-      "#version 330 core\n"
+      "#version 300 es\n"
       "layout (location = 0) in vec3 aPos;\n"
       "layout (location = 1) in vec2 aTexCoord;\n" +
 
@@ -91,6 +91,5 @@ void SimpleTexturedShader::compile() {
   this->paramColor = this->getParameterByName("u_Color");
   this->paramTexture = this->getParameterByName("u_Text");
   this->paramHasTexture = this->getParameterByName("u_HasTexture");
-
   this->bufferRenderPipeline = this->getBufferLocationByName(RenderPipelineShaderBuffer::getShaderUniformName());
 }