From 4c13a82d0c96931fac94f70b08087d5785c08160 Mon Sep 17 00:00:00 2001
From: Simon Eves <simon.eves@heavy.ai>
Date: Thu, 31 Mar 2022 17:25:08 -0700
Subject: [PATCH] Add BDA stuff to vert shader

---
 .../simpleVulkanMMAP/montecarlo.vert          |  27 +++++++++++++++++-
 .../simpleVulkanMMAP/vert.spv                 | Bin 1820 -> 2396 bytes
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/Samples/5_Domain_Specific/simpleVulkanMMAP/montecarlo.vert b/Samples/5_Domain_Specific/simpleVulkanMMAP/montecarlo.vert
index a30d17a9..c3a8350f 100644
--- a/Samples/5_Domain_Specific/simpleVulkanMMAP/montecarlo.vert
+++ b/Samples/5_Domain_Specific/simpleVulkanMMAP/montecarlo.vert
@@ -27,6 +27,8 @@
  
 #version 450
 #extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_gpu_shader_int64 : require
+#extension GL_EXT_buffer_reference2 : enable
 
 layout(binding = 0) uniform UniformBufferObject {
     float frame;
@@ -44,10 +46,33 @@ out gl_PerVertex
     vec4 gl_Position;
     float gl_PointSize;
 };
- 
+
+layout(buffer_reference, std430, buffer_reference_align = 4) buffer BufferFloat {
+  float f[];
+};
+
+layout(push_constant, std430) uniform Registers
+{
+  uint64_t base_address;
+} registers;
+
+layout(std430, binding = 0) buffer CUDA_SSBO {
+  float coords[2];
+} cuda_ssbo;
+
 void main() {
     gl_PointSize = 1.0;
     gl_Position = vec4(xyPos.xy, 0.0f, 1.0f);
+
+#if 0
+    gl_Position.x += cuda_ssbo.coords[0];
+    gl_Position.y += cuda_ssbo.coords[1];
+#endif
+#if 0
+    gl_Position.x += BufferFloat(registers.base_address).f[0];
+    gl_Position.y += BufferFloat(registers.base_address).f[1];
+#endif
+
     float color_r = 1.0f + 0.5f * sin(ubo.frame / 100.0f);
     float color_g = 1.0f + 0.5f * sin((ubo.frame / 100.0f) + (2.0f*PI/3.0f));
     float color_b = 1.0f;
diff --git a/Samples/5_Domain_Specific/simpleVulkanMMAP/vert.spv b/Samples/5_Domain_Specific/simpleVulkanMMAP/vert.spv
index 2a8fe1aec87498a7768d5fba553eded75c4ff996..19e2b240eb14a52a2ce4ae5ece919265d8bf3538 100644
GIT binary patch
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delta 61
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