From d8f5c9bb615a3317b1e8f6942d866744e4940df0 Mon Sep 17 00:00:00 2001
From: nothke <nothke@gmail.com>
Date: Wed, 12 Jun 2024 00:29:16 +0200
Subject: [PATCH] Stream: Now doing indexed rendering

---
 src/main.zig | 17 +++++------------
 todo.todo    | 15 +++++++++++++++
 2 files changed, 20 insertions(+), 12 deletions(-)
 create mode 100644 todo.todo

diff --git a/src/main.zig b/src/main.zig
index 5534d0e..1178943 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -9,7 +9,6 @@ var pass_action: sg.PassAction = .{};
 
 const state = struct {
     var bind: sg.Bindings = .{};
-    var bind2: sg.Bindings = .{};
     var pip: sg.Pipeline = .{};
     var vsParams: shader.FsParams = .{ .offset = .{ 0, 0, 0 } };
 };
@@ -35,15 +34,13 @@ export fn init() void {
         .data = sg.asRange(&triangleVerts),
     });
 
-    for (&triangleVerts) |*vert| {
-        vert.* += 0.2;
-    }
-
-    state.bind2.vertex_buffers[0] = sg.makeBuffer(.{
-        .data = sg.asRange(&triangleVerts),
+    state.bind.index_buffer = sg.makeBuffer(.{
+        .type = .INDEXBUFFER,
+        .data = sg.asRange(&[_]u16{ 0, 1, 2 }),
     });
 
     var pip_desc: sg.PipelineDesc = .{
+        .index_type = .UINT16,
         .shader = sg.makeShader(shader.triangleShaderDesc(sg.queryBackend())),
     };
 
@@ -75,12 +72,8 @@ export fn frame() void {
     sg.applyUniforms(.FS, shader.SLOT_fs_params, sg.asRange(&state.vsParams));
     sg.applyBindings(state.bind);
     sg.draw(0, 3, 1);
-
-    state.vsParams.offset[0] = col.g;
-    sg.applyUniforms(.FS, shader.SLOT_fs_params, sg.asRange(&state.vsParams));
-    sg.applyBindings(state.bind2);
-    sg.draw(0, 3, 1);
     sg.endPass();
+
     sg.commit();
 }
 
diff --git a/todo.todo b/todo.todo
new file mode 100644
index 0000000..17757e4
--- /dev/null
+++ b/todo.todo
@@ -0,0 +1,15 @@
+
+
+
+What are we doing here?:
+    ☐ using sokol in zig
+    ☐ part of a gamejam
+
+Today:
+    ☐ Guide through the code
+
+    Draw a circle!:
+        ☐ Draw indices instead of triangle elements
+        ☐ Create a circle vertices
+        ☐ Draw the circle
+        ☐ Make the circle move with uniforms
\ No newline at end of file