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Diffstat (limited to 'include')
-rw-r--r--include/mgl/gl.h1
-rw-r--r--include/mgl/window/window.h17
2 files changed, 18 insertions, 0 deletions
diff --git a/include/mgl/gl.h b/include/mgl/gl.h
index 894e57b..2546a68 100644
--- a/include/mgl/gl.h
+++ b/include/mgl/gl.h
@@ -20,6 +20,7 @@ typedef struct {
void (*glXSwapBuffers)(Display *dpy, GLXDrawable drawable);
void (*glViewport)(int x, int y, int width, int height);
+ void (*glScissor)(int x, int y, int width, int height);
void (*glClearColor)(float red, float green, float blue, float alpha);
void (*glClear)(unsigned int mask);
void (*glEnable)(unsigned int cap);
diff --git a/include/mgl/window/window.h b/include/mgl/window/window.h
index 2d1a774..a948932 100644
--- a/include/mgl/window/window.h
+++ b/include/mgl/window/window.h
@@ -22,6 +22,11 @@ typedef struct {
mgl_vec2i size;
} mgl_view;
+typedef struct {
+ mgl_vec2i position;
+ mgl_vec2i size;
+} mgl_scissor;
+
struct mgl_window {
mgl_window_handle window;
void *context;
@@ -29,6 +34,7 @@ struct mgl_window {
/* relative to the top left of the window. only updates when the cursor is inside the window */
mgl_vec2i cursor_position;
mgl_view view;
+ mgl_scissor scissor;
bool open;
bool focused;
bool key_repeat_enabled;
@@ -59,10 +65,21 @@ void mgl_window_display(mgl_window *self);
Make sure to set the view back to the previous view after rendering items
by saving the previous view with |mgl_window_get_view| and then call
|mgl_window_set_view| with that saved view.
+ The view is set to the window size when the window is resized (window resize event).
*/
void mgl_window_set_view(mgl_window *self, mgl_view *new_view);
void mgl_window_get_view(mgl_window *self, mgl_view *view);
+/*
+ This should be called every frame to retain the scissor.
+ Make sure to set the scissor back to the previous view after rendering items
+ by saving the previous scissor with |mgl_window_get_scissor| and then call
+ |mgl_window_set_scissor| with that saved scissor.
+ The scissor is set to the window size when the window is resized (window resize event).
+*/
+void mgl_window_set_scissor(mgl_window *self, mgl_scissor *new_scissor);
+void mgl_window_get_scissor(mgl_window *self, mgl_scissor *scissor);
+
bool mgl_window_is_open(const mgl_window *self);
bool mgl_window_has_focus(const mgl_window *self);
bool mgl_window_is_key_pressed(const mgl_window *self, mgl_key key);