vtgl

Commit: bfa3e53438d2e2a9ac5e86a9d5661c3aa0e81723
Parent: 565b5361f44aa04fdf61f6290325d6f4881e9bdb
Author: Randy Palamar
Date:   Mon, 19 Aug 2024 06:29:39 -0600

ensure redraw on resize

Diffstat:
M
terminal.c
 | 
2
+-
M
util.h
 | 
3
++-
M
vtgl.c
 | 
8
++++++--

3 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/terminal.c b/terminal.c
@@ -952,5 +952,5 @@ blit_lines(Term *t, Arena a, size line_count)
 		push_line(t, tv->lines.buf + line_idx, a);
 	}
 
-	t->gl.flags &= ~NEEDS_FULL_BLIT;
+	t->gl.flags &= ~(NEEDS_FULL_BLIT|NEEDS_BLIT);
 }
diff --git a/util.h b/util.h
@@ -183,7 +183,8 @@ typedef struct {
 
 enum gl_flags {
 	NEEDS_RESIZE           = 1 << 0,
-	NEEDS_FULL_BLIT        = 1 << 1,
+	NEEDS_BLIT             = 1 << 1,
+	NEEDS_FULL_BLIT        = 1 << 2,
 	UPDATE_RENDER_UNIFORMS = 1 << 29,
 	UPDATE_POST_UNIFORMS   = 1 << 30,
 };
diff --git a/vtgl.c b/vtgl.c
@@ -407,6 +407,7 @@ do_terminal(Term *t, Arena a)
 	if (t->gl.flags & UPDATE_POST_UNIFORMS)
 		update_uniforms(t, SHADER_POST);
 
+	size parsed_lines = 0;
 	if (os_child_data_available(t->child)) {
 		RingBuf *rb = &t->views[t->view_idx].log;
 		if (os_child_exited(t->child)) {
@@ -420,10 +421,13 @@ do_terminal(Term *t, Arena a)
 			.len  = t->unprocessed_bytes,
 			.data = rb->buf + (rb->widx - t->unprocessed_bytes)
 		};
-		size parsed_lines = split_raw_input_to_lines(t, raw);
-		blit_lines(t, a, parsed_lines);
+		parsed_lines  = split_raw_input_to_lines(t, raw);
+		t->gl.flags  |= NEEDS_BLIT;
 	}
 
+	if (t->gl.flags & (NEEDS_BLIT|NEEDS_FULL_BLIT))
+		blit_lines(t, a, parsed_lines);
+
 	/* NOTE: reset the camera/viewport */
 	glUseProgram(t->gl.programs[SHADER_RENDER]);
 	glUniform1i(t->gl.render.texslot, 0);