[Performous-commit] Lasse Karkkainen : Add support for HDMI 3D modes 1280x1470 (720p) and 1920x2205 (1080p) in top/bottom mode. Requires custom modelines and manually setting the proper mode before starting Performous .

[rainbyte <rai...@us...>]

Author: Lasse Karkkainen <tro...@tr...>
Date:   Tue Jul  3 07:17:45 2012 +0300

Add support for HDMI 3D modes 1280x1470 (720p) and 1920x2205 (1080p) in top/bottom mode. Requires custom modelines and manually setting the proper mode before starting Performous.

---

 game/video_driver.cc |   21 +++++++++++++++++----
 1 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/game/video_driver.cc b/game/video_driver.cc
index 07f796a..c1ed465 100644
--- a/game/video_driver.cc
+++ b/game/video_driver.cc
@@ -201,7 +201,7 @@ void Window::render(boost::function<void (void)> drawFunc) {
 	glerror.check("setup");
 	// Can we do direct to framebuffer rendering (no FBO)?
 	if (!stereo || type == 2) { view(stereo); drawFunc(); return; }
-	// Render both eyes to FBO (full resolution top/bottom)
+	// Render both eyes to FBO (full resolution top/bottom for anaglyph)
 	unsigned w = s_width;
 	unsigned h = 2 * s_height;
 	FBO fbo(w, h);
@@ -265,15 +265,28 @@ void Window::view(unsigned num) {
 	glEnable(GL_BLEND);
 	if (GL_EXT_framebuffer_sRGB) glEnable(GL_FRAMEBUFFER_SRGB);
 	shader("color").bind();
-	// Setup views
+	// Setup views (with black bars for cropping)
 	double vx = 0.5f * (screen->w - s_width);
 	double vy = 0.5f * (screen->h - s_height);
 	double vw = s_width, vh = s_height;
 	if (num == 0) {
 		glViewport(vx, vy, vw, vh);  // Drawable area of the window (excluding black bars)
 	} else {
-		glViewportIndexedf(1, 0, vh / 2, vw, vh / 2);  // Top half of the drawable area
-		glViewportIndexedf(2, 0, 0, vw, vh / 2);  // Bottom half of the drawable area
+		// Splitscreen stereo3d
+		if (screen->w == 1280 && screen->h == 1470) {  // HDMI 720p 3D mode
+			glViewportIndexedf(1, 0, 750, 1280, 720);
+			glViewportIndexedf(2, 0, 0, 1280, 720);
+			s_width = 1280;
+			s_height = 720;
+		} else if (screen->w == 1920 && screen->h == 2205) {  // HDMI 1080p 3D mode
+			glViewportIndexedf(1, 0, 1125, 1920, 1080);
+			glViewportIndexedf(2, 0, 0, 1920, 1080);
+			s_width = 1920;
+			s_height = 1080;
+		} else {  // Regular top/bottom 3d
+			glViewportIndexedf(1, 0, vh / 2, vw, vh / 2);  // Top half of the drawable area
+			glViewportIndexedf(2, 0, 0, vw, vh / 2);  // Bottom half of the drawable area
+		}
 	}
 
 }