From 1ff3793322585443909d11284457811c461f8de4 Mon Sep 17 00:00:00 2001
From: Takamichi Horikawa <takamichiho@gmail.com>
Date: Thu, 14 Sep 2017 18:57:05 +0900
Subject: pacc: add viewport

---
 pacc/pacc-gl.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'pacc/pacc-gl.c')

diff --git a/pacc/pacc-gl.c b/pacc/pacc-gl.c
index e1463b8..ada045e 100644
--- a/pacc/pacc-gl.c
+++ b/pacc/pacc-gl.c
@@ -468,6 +468,10 @@ err:
   return 0;
 }
 
+static void pacc_viewport_scale(struct pacc_ctx *pc, int scale) {
+  glViewport(0, 0, pc->w*scale, pc->h*scale);
+}
+
 static struct pacc_vtable pacc_gl_vtable = {
   .pacc_delete = pacc_delete,
   .gen_buf = pacc_gen_buf,
@@ -485,6 +489,7 @@ static struct pacc_vtable pacc_gl_vtable = {
   .color = pacc_color,
   .begin_clear = pacc_begin_clear,
   .draw = pacc_draw,
+  .viewport_scale = pacc_viewport_scale,
 };
 
 struct pacc_ctx *pacc_init_gl(int w, int h, struct pacc_vtable *vt) {
-- 
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