diff options
| author | David Thompson <dthompson2@worcester.edu> | 2020-10-12 19:45:04 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2020-10-13 08:46:47 -0400 |
| commit | 762057a93447ad15e64008e3a820b32772a71c4b (patch) | |
| tree | f1559a4dc91bb9479544d697714ff4956f3ebd4f | |
| parent | 65bf093f21c5129d784ad196a26a2b3868d0eecd (diff) | |
graphics: buffer: Always apply index buffer before rendering.
I can't believe this didn't cause me trouble before now. Wow.
| -rw-r--r-- | chickadee/graphics/buffer.scm | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/chickadee/graphics/buffer.scm b/chickadee/graphics/buffer.scm index 8a30ea3..be78fc2 100644 --- a/chickadee/graphics/buffer.scm +++ b/chickadee/graphics/buffer.scm @@ -610,22 +610,26 @@ argument may be overridden. The following values are supported: (set-gpu-vertex-array! (current-gpu) array) (let ((indices (vertex-array-indices array))) (if indices - (gl-draw-elements (vertex-array-mode-gl array) - (or count - (buffer-view-length indices)) - (buffer-view-type-gl indices) - %null-pointer) + (begin + (apply-buffer-view indices) + (gl-draw-elements (vertex-array-mode-gl array) + (or count + (buffer-view-length indices)) + (buffer-view-type-gl indices) + %null-pointer)) (gl-draw-arrays (vertex-array-mode-gl array) offset count)))) (define* (render-vertices/instanced array instances #:key count (offset 0)) (set-gpu-vertex-array! (current-gpu) array) (let ((indices (vertex-array-indices array))) (when indices - (gl-draw-elements-instanced (vertex-array-mode-gl array) - (or count - (buffer-view-length indices)) - (buffer-view-type-gl indices) - %null-pointer - instances) + (begin + (apply-buffer-view indices) + (gl-draw-elements-instanced (vertex-array-mode-gl array) + (or count + (buffer-view-length indices)) + (buffer-view-type-gl indices) + %null-pointer + instances)) (gl-draw-arrays-instanced (vertex-array-mode-gl array) offset count instances)))) |