Initialize our quads to zero before we gl_->BufferData() with them.

cc/output/dynamic_geometry_binding.cc

Index: cc/output/dynamic_geometry_binding.cc
diff --git a/cc/output/dynamic_geometry_binding.cc b/cc/output/dynamic_geometry_binding.cc
index 8eeff0c6b4a80e7339dd8f491c3a84dd9c027d10..b1cc0d29e207f750abd62b5b4eb55a4dfbfad16f 100644
--- a/cc/output/dynamic_geometry_binding.cc
+++ b/cc/output/dynamic_geometry_binding.cc
@@ -12,14 +12,17 @@ namespace cc {
 
 DynamicGeometryBinding::DynamicGeometryBinding(gpu::gles2::GLES2Interface* gl)
     : gl_(gl), quad_vertices_vbo_(0), quad_elements_vbo_(0) {
-  GeometryBindingQuad quads[8];
-  GeometryBindingQuadIndex quad_indices[8];
+  GeometryBindingQuad quads[1];

[enne (OOO), 2015/02/27 21:36:01]

Can you initialize this in the class itself rather than here? If somebody else
ever instantiates it, they'll probably forget as well.

[awoloszyn, 2015/02/27 22:08:37]

Done.

+  GeometryBindingQuadIndex quad_indices[1];
 
   static_assert(sizeof(GeometryBindingQuad) == 24 * sizeof(float),
                 "struct Quad should be densely packed");
   static_assert(sizeof(GeometryBindingQuadIndex) == 6 * sizeof(uint16_t),
                 "struct QuadIndex should be densely packed");
 
+  memset(quads, 0x00, sizeof(quads));
+  memset(quads, 0x00, sizeof(quad_indices));
+
   GLC(gl_, gl_->GenBuffers(1, &quad_vertices_vbo_));
   GLC(gl_, gl_->GenBuffers(1, &quad_elements_vbo_));