Make local work group size tweakable. (Not yet exposed to user)

1 files changed, 12 insertions, 5 deletions

diff --git a/BuddhaTest/src/BuddhaTest.cpp b/BuddhaTest/src/BuddhaTest.cpp
index d1b6a66..f8b9074 100644
--- a/BuddhaTest/src/BuddhaTest.cpp
+++ b/BuddhaTest/src/BuddhaTest.cpp
@@ -14,6 +14,9 @@ int main()
     unsigned int bufferWidth = 1600;

     unsigned int bufferHeight = 900;

 

+    unsigned int windowWidth = 1600;

+    unsigned int windowHeight = 900;

+

     unsigned int orbitLengthRed = 10;

     unsigned int orbitLengthGreen = 100;

     unsigned int orbitLengthBlue = 1000;

@@ -31,7 +34,7 @@ int main()
 	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);

 

 	/* Create a windowed mode window and its OpenGL context */

-    window = glfwCreateWindow(1600, 900, "Buddhabrot", NULL, NULL);

+    window = glfwCreateWindow(windowWidth, windowHeight, "Buddhabrot", NULL, NULL);

 	if (!window)

 	{

 		std::cerr << "Failed to create OpenGL 4.3 core context. We do not support compatibility contexts." << std::endl;

@@ -77,7 +80,7 @@ int main()
 	// Create and compile our GLSL program from the shaders

 	GLuint VertexAndFragmentShaders = Helpers::LoadShaders("Shaders/BuddhaVertex.glsl", "Shaders/BuddhaFragment.glsl");

 	//Do the same for the compute shader:

-	GLuint ComputeShader = Helpers::LoadComputeShader("Shaders/BuddhaCompute.glsl");

+    GLuint ComputeShader = Helpers::LoadComputeShader("Shaders/BuddhaCompute.glsl", 1024, 1, 1);

 

     uint32_t iterationCount{0};

     glUseProgram(ComputeShader);

@@ -103,7 +106,7 @@ int main()
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

 		glUseProgram(VertexAndFragmentShaders);

 		

-		glEnableVertexAttribArray(0);

+        glEnableVertexAttribArray(0);

 		glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);

 		glVertexAttribPointer(

 			0,                  // attribute 0. No particular reason for 0, but must match the layout in the shader.

@@ -113,12 +116,12 @@ int main()
 			0,                  // stride

 			(void*)0            // array buffer offset

 		);

-		// Draw the triangle !

+        // Draw the triangle strip!

 		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); // Triangle strip with 4 vertices -> quad.

 		glDisableVertexAttribArray(0);

 

 		/* Swap front and back buffers */

-		glfwSwapBuffers(window);

+        glfwSwapBuffers(window);

 

 		/* Poll for and process events */

 		glfwPollEvents();

@@ -133,6 +136,10 @@ int main()
         Helpers::WriteOutputPNG(readBackBuffer,bufferWidth,bufferHeight);

     }

 

+    //a bit of cleanup

+    glDeleteBuffers(1,&vertexbuffer);

+    glDeleteBuffers(1,&drawBuffer);

+

 	glfwTerminate();

 	return 0;

 }