commit 757e64e16f8e643dc90ea4faedc2f9709b6a7dd7
parent 0b7b6fdf7bceed017a907660e6a4794fe74a29db
Author: rexim <reximkut@gmail.com>
Date: Tue, 6 Jul 2021 20:39:52 +0700
Update viewport according to the window size
Also dynamically change the resolution for the shaders
Diffstat:
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,5 @@
te
+ded
SDL2
*.exe
*.obj
diff --git a/src/main.c b/src/main.c
@@ -75,7 +75,7 @@ void usage(FILE *stream)
// TODO: Delete line
// TODO: Split the line on Enter
-// #define OPENGL_RENDERER
+#define OPENGL_RENDERER
#ifdef OPENGL_RENDERER
void MessageCallback(GLenum source,
@@ -246,8 +246,6 @@ int main(int argc, char **argv)
time_uniform = glGetUniformLocation(program, "time");
resolution_uniform = glGetUniformLocation(program, "resolution");
-
- glUniform2f(resolution_uniform, SCREEN_WIDTH, SCREEN_HEIGHT);
}
// Init Font Texture
@@ -327,6 +325,13 @@ int main(int argc, char **argv)
}
}
+ {
+ int w, h;
+ SDL_GetWindowSize(window, &w, &h);
+ glViewport(0, 0, w, h);
+ glUniform2f(resolution_uniform, (float) w, (float) h);
+ }
+
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
@@ -439,7 +444,7 @@ int main(int argc, char **argv)
case SDL_MOUSEBUTTONDOWN: {
Vec2f mouse_click = vec2f((float) event.button.x, (float) event.button.y);
- switch(event.button.button) {
+ switch(event.button.button) {
case SDL_BUTTON_LEFT: {
Vec2f cursor_click = vec2f_add(mouse_click, vec2f_sub(camera_pos, vec2f_div(window_size(window), vec2fs(2.0f))));
if(cursor_click.x > 0.0f && cursor_click.y > 0.0f) {
