From 3743fdc534b39958c105f4124ad1130d3e8b042a Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Tue, 16 Feb 2016 17:53:24 +0100
Subject: Query max texture size instead of hardcoding it

---
 cuda/3d/mem3d.cu | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'cuda/3d/mem3d.cu')

diff --git a/cuda/3d/mem3d.cu b/cuda/3d/mem3d.cu
index 6d81dc0..0320117 100644
--- a/cuda/3d/mem3d.cu
+++ b/cuda/3d/mem3d.cu
@@ -62,6 +62,25 @@ size_t availableGPUMemory()
 	return free;
 }
 
+int maxBlockDimension()
+{
+	int dev;
+	cudaError_t err = cudaGetDevice(&dev);
+	if (err != cudaSuccess) {
+		ASTRA_WARN("Error querying device");
+		return 0;
+	}
+
+	cudaDeviceProp props;
+	err = cudaGetDeviceProperties(&props, dev);
+	if (err != cudaSuccess) {
+		ASTRA_WARN("Error querying device %d properties", dev);
+		return 0;
+	}
+
+	return std::min(props.maxTexture3D[0], std::min(props.maxTexture3D[1], props.maxTexture3D[2]));
+}
+
 MemHandle3D allocateGPUMemory(unsigned int x, unsigned int y, unsigned int z, Mem3DZeroMode zero)
 {
 	SMemHandle3D_internal hnd;
-- 
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