Add vertex buffer

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/main.c b/tests/main.c
index 1675439..8631c35 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -7,10 +7,12 @@
 #include <mgl/graphics/sprite.h>
 #include <mgl/graphics/font.h>
 #include <mgl/graphics/text.h>
+#include <mgl/graphics/vertex_buffer.h>
 
 typedef struct {
     mgl_texture *texture;
     mgl_font *font;
+    mgl_vertex_buffer *vertex_buffer;
 } Userdata;
 
 static void draw(mgl_window *window, void *userdata) {
@@ -33,6 +35,9 @@ static void draw(mgl_window *window, void *userdata) {
     mgl_text_init(&text, u->font, "hello world!\nGood bye world!", 0.0f, 0.0f);
     mgl_text_draw(context, &text);
     mgl_text_deinit(&text);
+
+    mgl_vertex_buffer_set_position(u->vertex_buffer, (mgl_vec2f){ window->cursor_position.x, window->cursor_position.y });
+    mgl_vertex_buffer_draw(context, u->vertex_buffer, &u->font->texture);
 }
 
 int main(int argc, char **argv) {
@@ -41,10 +46,12 @@ int main(int argc, char **argv) {
 
     mgl_texture texture;
     mgl_font font;
+    mgl_vertex_buffer vertex_buffer;
 
     Userdata userdata;
     userdata.texture = &texture;
     userdata.font = &font;
+    userdata.vertex_buffer = &vertex_buffer;
 
     mgl_window window;
     if(mgl_window_create(&window, "mgl", 1280, 720) != 0)
@@ -56,6 +63,37 @@ int main(int argc, char **argv) {
     if(mgl_font_load_from_file(&font, "/usr/share/fonts/noto/NotoSans-Regular.ttf", 32) != 0)
         return 1;
 
+    if(mgl_vertex_buffer_init(&vertex_buffer, MGL_PRIMITIVE_QUADS, MGL_USAGE_STATIC) != 0)
+        return 1;
+
+    mgl_vertex vertices[4] = {
+        (mgl_vertex){
+            .position = {0.0f, 0.0f},
+            .color = {255, 0, 0, 100},
+            .texcoords = {0.0f, 0.0f}
+        },
+        (mgl_vertex){
+            .position = {font.texture.width, 0.0f},
+            .color = {0, 255, 0, 100},
+            .texcoords = {1.0f, 0.0f}
+        },
+        (mgl_vertex){
+            .position = {font.texture.width, font.texture.height},
+            .color = {0, 0, 255, 100},
+            .texcoords = {1.0f, 1.0f}
+        },
+        (mgl_vertex){
+            .position = {0.0f, font.texture.height},
+            .color = {255, 0, 255, 100},
+            .texcoords = {0.0f, 1.0f}
+        }
+    };
+
+    if(mgl_vertex_buffer_update(&vertex_buffer, vertices, 4) != 0)
+        return 1;
+
+    fprintf(stderr, "Font texture width: %d, texture height: %d\n", font.texture.width, font.texture.height);
+
     mgl_event event;
     for(;;) {
         while(mgl_window_poll_event(&window, &event)) {
@@ -67,6 +105,7 @@ int main(int argc, char **argv) {
         mgl_window_display(&window);
     }
 
+    mgl_vertex_buffer_deinit(&vertex_buffer);
     mgl_font_unload(&font);
     mgl_texture_unload(&texture);
     mgl_window_deinit(&window);