From fc3810fb5ca6467f643239b24a871463e96a231d Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Tue, 12 Nov 2024 11:33:47 -0500
Subject: create command queues

---
 balls.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/balls.c b/balls.c
index d3a8e62..5970e3c 100644
--- a/balls.c
+++ b/balls.c
@@ -91,8 +91,8 @@ void drawString(const char *str);
 float *flatten(Vector *vs, int n);
 
 int nBalls;
-cl_command_queue queue;
 cl_context cpuContext, gpuContext;
+cl_command_queue cpuQueue, gpuQueue;
 cl_kernel moveKernel, collideWallsKernel, collideBallsKernel, genVerticesKernel;
 GLuint vertexVAO, vertexVBO, colorVBO;
 cl_mem positions, velocities, radii, *collisions, vertexBuf;
@@ -223,10 +223,13 @@ initCL(void) {
 		exit(1);
 	}
 
-	/* Create command queue. */
-	queue = clCreateCommandQueue(context, device, 0, &err);
+	/* Create command queues. */
+	cpuQueue = clCreateCommandQueue(cpuContext, cpuDevice, 0, &err);
 	if (err < 0)
-		sysfatal("Failed to create command queue.\n");
+		sysfatal("Failed to create CPU command queue.\n");
+	gpuQueue = clCreateCommandQueue(gpuContext, gpuDevice, 0, &err);
+	if (err < 0)
+		sysfatal("Failed to create GPU command queue.\n");
 
 	/* Create kernels. */
 	moveKernel = createKernel(prog, MOVE_KERNEL_FUNC);
-- 
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