From 51c85583a0d3eda5e8cf41273ecfa9b6d994e59c Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Tue, 3 Nov 2026 09:48:04 +0100
Subject: feat(engine): add shader context session initialization options

---
 engine/src/rendering/backend/opengl.rs | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

(limited to 'engine/src/rendering/backend')

diff --git a/engine/src/rendering/backend/opengl.rs b/engine/src/rendering/backend/opengl.rs
index bdaa555..2926cde 100644
--- a/engine/src/rendering/backend/opengl.rs
+++ b/engine/src/rendering/backend/opengl.rs
@@ -119,8 +119,15 @@ use crate::rendering::shader::cursor::{
 };
 use crate::rendering::shader::reflection::Stage as ShaderStage;
 use crate::rendering::shader::{
+    CompileTarget as ShaderCompileTarget,
+    CompileTargetFormat as ShaderCompileTargetFormat,
+    Context as ShaderContext,
+    ContextSessionInitOpts as ShaderContextSessionInitOpts,
+    DebugInfoLevel as ShaderDebugInfoLevel,
     EntrypointFlags as ShaderEntrypointFlags,
     Error as ShaderError,
+    LineDirectiveMode as ShaderLineDirectiveMode,
+    OptimizationLevel as ShaderOptimizationLevel,
     Program as ShaderProgram,
     VertexDescCreationError as ShaderVertexDescCreationError,
     VertexDescription as ShaderVertexDescription,
@@ -521,15 +528,27 @@ impl crate::ecs::extension::Extension for Extension
 }
 
 fn init(
-    mut shader_context: Single<crate::rendering::shader::Context>,
+    mut shader_context: Single<ShaderContext>,
     mut actions: Actions,
 ) -> Result<(), crate::Error>
 {
     let shader_context = shader_context.get_mut()?;
 
-    let shader_target_ids = shader_context
-        .init_session(&[&crate::rendering::shader::CompileTarget::default()
-            .format(crate::rendering::shader::CompileTargetFormat::Glsl)])?;
+    let shader_target_ids = shader_context.init_session(
+        &if cfg!(debug_assertions) {
+            ShaderContextSessionInitOpts::default()
+                .optimization_level(ShaderOptimizationLevel::Default)
+                .debug_info_level(ShaderDebugInfoLevel::Maximal)
+                .line_directive_mode(ShaderLineDirectiveMode::Standard)
+                .no_mangle(true)
+        } else {
+            ShaderContextSessionInitOpts::default()
+                .optimization_level(ShaderOptimizationLevel::High)
+                .debug_info_level(ShaderDebugInfoLevel::None)
+                .line_directive_mode(ShaderLineDirectiveMode::None)
+        },
+        &[&ShaderCompileTarget::default().format(ShaderCompileTargetFormat::Glsl)],
+    )?;
 
     actions.create_sole(BackendProperties {
         shader_target_id: shader_target_ids[0],
-- 
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