From a80bf6bb6cb8ab8c5a1430f9f9dbc214f71bdddf Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Fri, 22 Oct 2021 07:29:34 +0200
Subject: Use shader

---
 tests/main.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'tests')

diff --git a/tests/main.cpp b/tests/main.cpp
index bca9f67..68e3778 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -8,6 +8,7 @@
 #include <mglpp/graphics/Text.hpp>
 #include <mglpp/graphics/Rectangle.hpp>
 #include <mglpp/graphics/VertexBuffer.hpp>
+#include <mglpp/graphics/Shader.hpp>
 
 struct Delegate {
     Delegate() {}
@@ -17,9 +18,11 @@ struct Delegate {
         rect.set_color({255, 0, 0, 255});
         window->draw(rect);
 
+        shader_program->set_uniform("resolution", mgl::vec2f(window->get_size().x, window->get_size().y));
+
         mgl::Sprite sprite(*texture, { 100.0f - 10.0f, 0.0f });
         sprite.set_color({255, 255, 255, 128});
-        window->draw(sprite);
+        window->draw(sprite, shader_program);
 
         mgl::Text text("hello world!\nGood bye world!", { 0.0f, 0.0f }, *font);
         window->draw(text);
@@ -32,6 +35,7 @@ struct Delegate {
     mgl::Texture *texture;
     mgl::Font *font;
     mgl::VertexBuffer *vertex_buffer;
+    mgl::Shader *shader_program;
 };
 
 int main(int argc, char **argv) {
@@ -49,6 +53,10 @@ int main(int argc, char **argv) {
     if(!font.load_from_file("/usr/share/fonts/noto/NotoSans-Regular.ttf", 32))
         return 1;
 
+    mgl::Shader shader;
+    if(!shader.load_from_file("depends/mgl/tests/circle_mask.glsl", mgl::Shader::Fragment))
+        return 1;
+
     mgl::Vertex vertices[4] = {
         {
             {0.0f, 0.0f},
@@ -83,6 +91,7 @@ int main(int argc, char **argv) {
     delegate.texture = &texture;
     delegate.font = &font;
     delegate.vertex_buffer = &vertex_buffer;
+    delegate.shader_program = &shader;
 
     mgl::Event event;
     while(true) {
-- 
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