Dump result to image.png in current folder.

1 files changed, 11 insertions, 2 deletions

diff --git a/BuddhaTest/src/BuddhaTest.cpp b/BuddhaTest/src/BuddhaTest.cpp
index 57edc14..d1b6a66 100644
--- a/BuddhaTest/src/BuddhaTest.cpp
+++ b/BuddhaTest/src/BuddhaTest.cpp
@@ -14,8 +14,8 @@ int main()
     unsigned int bufferWidth = 1600;

     unsigned int bufferHeight = 900;

 

-    unsigned int orbitLengthRed = 100;

-    unsigned int orbitLengthGreen = 10;

+    unsigned int orbitLengthRed = 10;

+    unsigned int orbitLengthGreen = 100;

     unsigned int orbitLengthBlue = 1000;

 

 	GLFWwindow* window;

@@ -124,6 +124,15 @@ int main()
 		glfwPollEvents();

 	}

 

+    glMemoryBarrier(GL_ALL_BARRIER_BITS);

+    glBindBuffer(GL_SHADER_STORAGE_BUFFER, drawBuffer);

+    {

+        const unsigned int pixelCount{(bufferWidth * bufferHeight)*3}; //*3 -> RGB

+        std::vector<uint32_t> readBackBuffer(pixelCount);

+        glGetBufferSubData(GL_SHADER_STORAGE_BUFFER,4*2,4 * pixelCount,readBackBuffer.data()); //offset of 2*4, that's the dimension integers.

+        Helpers::WriteOutputPNG(readBackBuffer,bufferWidth,bufferHeight);

+    }

+

 	glfwTerminate();

 	return 0;

 }