From 3ddd3fc2facb0ff6139fd354ececfb02f8eec348 Mon Sep 17 00:00:00 2001
From: Allen Webster <editor@4coder.net>
Date: Sun, 21 Jul 2019 11:31:17 -0700
Subject: [PATCH] In Procress

---
 opengl/4ed_opengl_render.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/opengl/4ed_opengl_render.cpp b/opengl/4ed_opengl_render.cpp
index 524d3a03..301be6d3 100644
--- a/opengl/4ed_opengl_render.cpp
+++ b/opengl/4ed_opengl_render.cpp
@@ -31,7 +31,7 @@ gl__texture_initialize(GLint tex_width, GLint tex_height, u32 *pixels){
 
 internal u32
 gl__get_gpu_texture(Vec3_i32 dim, Texture_Kind texture_kind){
-    u32 tex;
+    u32 tex = 0;
     glGenTextures(1, &tex);
     glBindTexture(GL_TEXTURE_2D, tex);
     glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@@ -43,6 +43,13 @@ gl__get_gpu_texture(Vec3_i32 dim, Texture_Kind texture_kind){
     return(tex);
 }
 
+internal b32
+gl__fill_gpu_texture(Texture_Kind texture_kind, u32 gpu_texture, Vec3_i32 p, Vec3_i32 dim, void *data){
+    b32 result = false;
+    glTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, p.x, p.y, p.z, dim.x, dim.y, dim.z, GL_RED, GL_UNSIGNED_INT, data);
+    return(result);
+}
+
 internal void
 gl__draw_bind_texture(Render_Target *t, i32 texid){
     if (t->bound_texture != texid){