From 61b2725ef174e4cec734e29bce4f69d6fcd2a813 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 24 Aug 2024 13:54:14 +0200
Subject: Vertices: fix alpha blending when window background is transparent,
 add uniform for color, add position for vertices draw

---
 depends/mgl                       | 2 +-
 include/mglpp/graphics/Shader.hpp | 2 ++
 include/mglpp/window/Window.hpp   | 2 +-
 src/graphics/Shader.cpp           | 4 ++++
 src/window/Window.cpp             | 4 ++--
 5 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/depends/mgl b/depends/mgl
index 8731a00..6af3b55 160000
--- a/depends/mgl
+++ b/depends/mgl
@@ -1 +1 @@
-Subproject commit 8731a00681a2cf99965203849bd7ba8f6c09df9a
+Subproject commit 6af3b55b9a11cf85e850eba0fddcf531e2002c7f
diff --git a/include/mglpp/graphics/Shader.hpp b/include/mglpp/graphics/Shader.hpp
index 2d1336d..e2bb1ad 100644
--- a/include/mglpp/graphics/Shader.hpp
+++ b/include/mglpp/graphics/Shader.hpp
@@ -2,6 +2,7 @@
 #define MGLPP_SHADER_HPP
 
 #include "../system/vec.hpp"
+#include "../graphics/Color.hpp"
 
 extern "C" {
 #include <mgl/graphics/shader.h>
@@ -24,6 +25,7 @@ namespace mgl {
         bool load_from_file(const char *filepath, Type type);
         bool set_uniform(const char *name, float value);
         bool set_uniform(const char *name, vec2f value);
+        bool set_uniform(const char *name, Color color);
 
         bool is_valid() const;
 
diff --git a/include/mglpp/window/Window.hpp b/include/mglpp/window/Window.hpp
index f25e63e..d355db7 100644
--- a/include/mglpp/window/Window.hpp
+++ b/include/mglpp/window/Window.hpp
@@ -66,7 +66,7 @@ namespace mgl {
 
         void clear(Color color = Color(0, 0, 0, 255));
         void draw(Drawable &drawable, Shader *shader = nullptr);
-        void draw(const Vertex *vertices, size_t vertex_count, PrimitiveType primitive_type, Shader *shader = nullptr);
+        void draw(const Vertex *vertices, size_t vertex_count, PrimitiveType primitive_type, mgl::vec2f position, Shader *shader = nullptr);
         void display();
 
         void set_visible(bool visible);
diff --git a/src/graphics/Shader.cpp b/src/graphics/Shader.cpp
index 2bdc9b2..111f39d 100644
--- a/src/graphics/Shader.cpp
+++ b/src/graphics/Shader.cpp
@@ -34,6 +34,10 @@ namespace mgl {
         return mgl_shader_program_set_uniform_vec2f(&shader_program, name, { value.x, value.y }) == 0;
     }
 
+    bool Shader::set_uniform(const char *name, Color color) {
+        return mgl_shader_program_set_uniform_color(&shader_program, name, { color.r, color.g, color.b, color.a }) == 0;
+    }
+
     bool Shader::is_valid() const {
         return shader_program.id != 0;
     }
diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 0e80456..8cfc28e 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -53,13 +53,13 @@ namespace mgl {
             Shader::use(nullptr);
     }
     
-    void Window::draw(const Vertex *vertices, size_t vertex_count, PrimitiveType primitive_type, Shader *shader) {
+    void Window::draw(const Vertex *vertices, size_t vertex_count, PrimitiveType primitive_type, mgl::vec2f position, Shader *shader) {
         // TODO: Make the opengl context active for this thread and window, if it already isn't
         if(shader)
             Shader::use(shader);
 
         mgl_context *context = mgl_get_context();
-        mgl_vertices_draw(context, (const mgl_vertex*)vertices, vertex_count, (mgl_primitive_type)primitive_type, { 0.0f, 0.0f });
+        mgl_vertices_draw(context, (const mgl_vertex*)vertices, vertex_count, (mgl_primitive_type)primitive_type, { position.x, position.y });
 
         if(shader)
             Shader::use(nullptr);
-- 
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