From 48a33baec7b617b63efa15fe16892b3c76f8c89e Mon Sep 17 00:00:00 2001 From: =?utf8?q?Kristian=20H=C3=B8gsberg?= Date: Sun, 12 Oct 2008 12:56:11 -0400 Subject: [PATCH] Use triangle strips for drawing surfaces. --- egl-compositor.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/egl-compositor.c b/egl-compositor.c index e4f838a..09793b8 100644 --- a/egl-compositor.c +++ b/egl-compositor.c @@ -40,7 +40,7 @@ repaint(void *data) struct wl_surface *surface; struct surface_data *sd; GLint vertices[12]; - GLint tex_coords[8] = { 1, 0, 1, 1, 0, 1, 0, 0 }; + GLint tex_coords[8] = { 1, 0, 1, 1, 0, 0, 0, 1 }; GLuint indices[4] = { 0, 1, 2, 3 }; /* This part is where we actually copy the buffer to screen. @@ -64,11 +64,11 @@ repaint(void *data) vertices[5] = 0; vertices[6] = sd->map.x + sd->map.width; - vertices[7] = sd->map.y + sd->map.height; + vertices[7] = sd->map.y; vertices[8] = 0; vertices[9] = sd->map.x + sd->map.width; - vertices[10] = sd->map.y; + vertices[10] = sd->map.y + sd->map.height; vertices[11] = 0; glBindTexture(GL_TEXTURE_2D, sd->texture); @@ -80,7 +80,7 @@ repaint(void *data) glEnableClientState(GL_TEXTURE_COORD_ARRAY); glVertexPointer(3, GL_INT, 0, vertices); glTexCoordPointer(2, GL_INT, 0, tex_coords); - glDrawElements(GL_QUADS, 4, GL_UNSIGNED_INT, indices); + glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_INT, indices); } wl_surface_iterator_destroy(iterator); -- 2.7.4