From 4b8f28f70e8fcb4c47808ed150c1acbfb63f2ab0 Mon Sep 17 00:00:00 2001
From: ktyl <me@ktyl.dev>
Date: Sat, 31 Jul 2021 18:59:41 +0100
Subject: [PATCH] support nvidia prime gpu offloading

---
 launch    | 12 ++++++++++++
 makefile  |  3 ++-
 src/gfx.c |  4 +++-
 3 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100755 launch

diff --git a/launch b/launch
new file mode 100755
index 0000000..11dc6e1
--- /dev/null
+++ b/launch
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+executable="$1"
+prime="prime-run"
+
+if command -v $prime &> /dev/null
+then
+    echo "launching $executable with nvidia prime offloading"
+    $prime $executable
+else
+    $executable
+fi
diff --git a/makefile b/makefile
index 133c486..7eff1c0 100644
--- a/makefile
+++ b/makefile
@@ -17,6 +17,7 @@ SHADER_INCLUDES = $(shell find $(SHADER_INCLUDE_DIR) -name *.glsl)
 SHADER_TARGETS = $(SHADERS:$(SHADER_ROOT_DIR)/%.glsl=$(SHADER_TARGET_DIR)/%.compute)
 
 TARGET = $(BIN_DIR)/oglc
+LAUNCH = "./launch"
 
 CC = gcc
 LIBS = `pkg-config --static --libs glew sdl2 cglm`
@@ -47,6 +48,6 @@ clean:
 	-rm */*.o
 
 run: $(TARGET)
-	$(TARGET)
+	$(LAUNCH) $(TARGET)
 
 .PHONY: run clean
diff --git a/src/gfx.c b/src/gfx.c
index dbb3ec8..d65cf05 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -48,9 +48,11 @@ SDL_Window* gfxInit(int width, int height)
 
     // intiliased opengl
 
+    printf("%s\n", glGetString(GL_RENDERER));
+
     int availableAttributes;
     glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &availableAttributes);
-    //printf("max vertex attributes %d\n", availableAttributes);
+    printf("max vertex attributes %d\n", availableAttributes);
 
     return sdlWindow;
 }