SDL: Fix SDL_GPUShaderFormat flag values

From d62e3c3791e3a17c2c7e998d6f55f25240ba4650 Mon Sep 17 00:00:00 2001
From: cosmonaut <[EMAIL REDACTED]>
Date: Wed, 11 Sep 2024 15:39:06 -0700
Subject: [PATCH] Fix SDL_GPUShaderFormat flag values

Fixes #10797
---
 include/SDL3/SDL_gpu.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/SDL3/SDL_gpu.h b/include/SDL3/SDL_gpu.h
index d4d854771380e..d4b56af16db0e 100644
--- a/include/SDL3/SDL_gpu.h
+++ b/include/SDL3/SDL_gpu.h
@@ -587,12 +587,12 @@ typedef enum SDL_GPUShaderStage
 typedef Uint32 SDL_GPUShaderFormat;
 
 #define SDL_GPU_SHADERFORMAT_INVALID  0
-#define SDL_GPU_SHADERFORMAT_PRIVATE  (1u << 1) /**< Shaders for NDA'd platforms. */
-#define SDL_GPU_SHADERFORMAT_SPIRV    (1u << 2) /**< SPIR-V shaders for Vulkan. */
-#define SDL_GPU_SHADERFORMAT_DXBC     (1u << 3) /**< DXBC SM5_0 shaders for D3D11. */
-#define SDL_GPU_SHADERFORMAT_DXIL     (1u << 4) /**< DXIL shaders for D3D12. */
-#define SDL_GPU_SHADERFORMAT_MSL      (1u << 5) /**< MSL shaders for Metal. */
-#define SDL_GPU_SHADERFORMAT_METALLIB (1u << 6) /**< Precompiled metallib shaders for Metal. */
+#define SDL_GPU_SHADERFORMAT_PRIVATE  (1u << 0) /**< Shaders for NDA'd platforms. */
+#define SDL_GPU_SHADERFORMAT_SPIRV    (1u << 1) /**< SPIR-V shaders for Vulkan. */
+#define SDL_GPU_SHADERFORMAT_DXBC     (1u << 2) /**< DXBC SM5_0 shaders for D3D11. */
+#define SDL_GPU_SHADERFORMAT_DXIL     (1u << 3) /**< DXIL shaders for D3D12. */
+#define SDL_GPU_SHADERFORMAT_MSL      (1u << 4) /**< MSL shaders for Metal. */
+#define SDL_GPU_SHADERFORMAT_METALLIB (1u << 5) /**< Precompiled metallib shaders for Metal. */
 
 /**
  * Specifies the format of a vertex attribute.