From 567863b2398b6832f686b258709396572af0e980 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Wed, 2 Oct 2024 21:22:19 -0400
Subject: First commit!

---
 sdl3/bindings/gpu.scm | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 sdl3/bindings/gpu.scm

(limited to 'sdl3/bindings/gpu.scm')

diff --git a/sdl3/bindings/gpu.scm b/sdl3/bindings/gpu.scm
new file mode 100644
index 0000000..6de7ef4
--- /dev/null
+++ b/sdl3/bindings/gpu.scm
@@ -0,0 +1,62 @@
+;;; guile-sdl3 -- Scheme bindings for SDL3
+;;; Copyright © 2024 David Thompson <dthompson2@worcester.edu>
+;;;
+;;; Licensed under the Apache License, Version 2.0 (the "License");
+;;; you may not use this file except in compliance with the License.
+;;; You may obtain a copy of the License at
+;;;
+;;;    http://www.apache.org/licenses/LICENSE-2.0
+;;;
+;;; Unless required by applicable law or agreed to in writing, software
+;;; distributed under the License is distributed on an "AS IS" BASIS,
+;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;;; See the License for the specific language governing permissions and
+;;; limitations under the License.
+
+;;; Commentary:
+;;
+;; Low-level bindings for SDL_gpu.h.
+;;
+;;; Code:
+
+(define-module (sdl3 bindings gpu)
+  #:use-module (sdl3 bindings utils)
+  #:use-module (system foreign)
+  #:export (;; SDL_gpu.h
+            SDL_GPUShaderFormat
+            SDL_GPU_SHADERFORMAT_INVALID
+            SDL_GPU_SHADERFORMAT_PRIVATE
+            SDL_GPU_SHADERFORMAT_SPIRV
+            SDL_GPU_SHADERFORMAT_DXBC
+            SDL_GPU_SHADERFORMAT_DXIL
+            SDL_GPU_SHADERFORMAT_MSL
+            SDL_GPU_SHADERFORMAT_METALLIB
+
+            gpu-device?
+            wrap-gpu-device
+            unwrap-gpu-device
+            gpu-device-destroyed?
+            set-gpu-device-destroyed!
+
+            SDL_CreateGPUDevice
+            SDL_DestroyGPUDevice
+            SDL_ClaimWindowForGPUDevice))
+
+(define SDL_GPUShaderFormat uint32)
+(define SDL_GPU_SHADERFORMAT_INVALID  0)
+(define SDL_GPU_SHADERFORMAT_PRIVATE  1)
+(define SDL_GPU_SHADERFORMAT_SPIRV    2)
+(define SDL_GPU_SHADERFORMAT_DXBC     4)
+(define SDL_GPU_SHADERFORMAT_DXIL     8)
+(define SDL_GPU_SHADERFORMAT_MSL      16)
+(define SDL_GPU_SHADERFORMAT_METALLIB 32)
+
+(define-sdl-pointer-type <gpu-device>
+  gpu-device? wrap-gpu-device unwrap-gpu-device
+  gpu-device-destroyed? set-gpu-device-destroyed!
+  (lambda (device port)
+    (display "#<gpu-device>" port)))
+
+(define-sdl SDL_CreateGPUDevice SDL_GPUShaderFormat bool '* -> '*)
+(define-sdl SDL_DestroyGPUDevice '*)
+(define-sdl SDL_ClaimWindowForGPUDevice '* '* -> bool)
-- 
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