opengl_learn

commit 775644701cd394b129ac2605f9ae2a229f4207e4
parent 063455c0f7756d7d93d0da588962c536c6bf2161
Author: David DiPaola <DavidDiPaola@users.noreply.github.com>
Date:   Sat,  6 Oct 2018 14:44:09 -0400

ogl: added parameter to init() to enable/disable v-sync

Diffstat:
M
00-triangle.c
 | 
2
+-
M
01-perspective.c
 | 
2
+-
M
02-cube.c
 | 
2
+-
M
03-texture.c
 | 
2
+-
M
04-lighting.c
 | 
2
+-
M
05-geometrytransforms.c
 | 
2
+-
M
ogl/ogl.h
 | 
2
+-
M
ogl/ogl_init.c
 | 
6
+++++-

8 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/00-triangle.c b/00-triangle.c
@@ -17,7 +17,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 
 int
 main() {
-	GLFWwindow * window = ogl_init(400, 240, "00 - triangle");
+	GLFWwindow * window = ogl_init(400, 240, 1, "00 - triangle");
 
 	/* vu: vertex shader uniform,  va: vertex shader attribute,  fu: fragment shader uniform,  fv: fragment shader varying */
 	const char * program_vertex_source =
diff --git a/01-perspective.c b/01-perspective.c
@@ -17,7 +17,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 
 int
 main() {
-	GLFWwindow * window = ogl_init(400, 240, "01 - triangle with perspective");
+	GLFWwindow * window = ogl_init(400, 240, 1, "01 - triangle with perspective");
 
 	/* vu: vertex shader uniform,  va: vertex shader attribute,  fu: fragment shader uniform,  fv: fragment shader varying */
 	const char * program_vertex_source =
diff --git a/02-cube.c b/02-cube.c
@@ -17,7 +17,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 
 int
 main() {
-	GLFWwindow * window = ogl_init(400, 240, "02 - cube");
+	GLFWwindow * window = ogl_init(400, 240, 1, "02 - cube");
 
 	/* vu: vertex shader uniform,  va: vertex shader attribute,  fu: fragment shader uniform,  fv: fragment shader varying */
 	const char * program_vertex_source =
diff --git a/03-texture.c b/03-texture.c
@@ -23,7 +23,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 
 int
 main() {
-	GLFWwindow * window = ogl_init(400, 240, "03 - texture");
+	GLFWwindow * window = ogl_init(400, 240, 1, "03 - texture");
 
 	/* vu: vertex shader uniform,  va: vertex shader attribute,  fu: fragment shader uniform,  fv: fragment shader varying */
 	const char * program_vertex_source =
diff --git a/04-lighting.c b/04-lighting.c
@@ -23,7 +23,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 
 int
 main() {
-	GLFWwindow * window = ogl_init(400, 240, "04 - lighting");
+	GLFWwindow * window = ogl_init(400, 240, 1, "04 - lighting");
 
 	/* vu: vertex shader uniform,  va: vertex shader attribute,  fu: fragment shader uniform,  fv: fragment shader varying */
 	const char * program_vertex_source =
diff --git a/05-geometrytransforms.c b/05-geometrytransforms.c
@@ -23,7 +23,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 
 int
 main() {
-	GLFWwindow * window = ogl_init(400, 240, "05 - geometry transforms");
+	GLFWwindow * window = ogl_init(400, 240, 1, "05 - geometry transforms");
 
 	/* vu: vertex shader uniform,  va: vertex shader attribute,  fu: fragment shader uniform,  fv: fragment shader varying */
 	const char * program_vertex_source =
diff --git a/ogl/ogl.h b/ogl/ogl.h
@@ -30,7 +30,7 @@ struct ogl_quat {
 
 
 GLFWwindow *
-ogl_init(int window_width, int window_height, const char * window_title);
+ogl_init(int window_width, int window_height, int vsync, const char * window_title);
 
 
 
diff --git a/ogl/ogl_init.c b/ogl/ogl_init.c
@@ -15,7 +15,7 @@ licensed under CC0 (public domain, see https://creativecommons.org/publicdomain/
 #include "_ogl.h"
 
 GLFWwindow *
-ogl_init(int window_width, int window_height, const char * window_title) {
+ogl_init(int window_width, int window_height, int vsync, const char * window_title) {
 	GLFWwindow * window;
 	int status;
 
@@ -53,6 +53,10 @@ ogl_init(int window_width, int window_height, const char * window_title) {
 
 	glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);
 
+	if (!vsync) {
+		glfwSwapInterval(0);
+	}
+
 	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 
 	glEnable(GL_DEPTH_TEST);