sandbox updates

sandbox/shaders/triangle.frag

@@ -0,0 +1,13 @@
+#version 450
+
+//shader input
+layout (location = 0) in vec3 inColor;
+
+//output write
+layout (location = 0) out vec4 outFragColor;
+
+void main()
+{
+	//return red
+	outFragColor = vec4(inColor,1.0f);
+}

sandbox/shaders/triangle.vert

@@ -0,0 +1,45 @@
+#version 450
+#extension GL_EXT_buffer_reference : require
+
+struct TriangleVertex {
+	vec4 vertex;
+	vec4 color;
+};
+
+layout(buffer_reference, std430) readonly buffer TriangleVertexBuffer {
+	TriangleVertex vertices[];
+};
+
+layout( push_constant ) uniform constants {
+	TriangleVertexBuffer triangleBuffer;
+	vec2 padding;
+	vec4 data1;
+	vec4 data2;
+	vec4 data3;
+} PushConstants;
+
+layout (location = 0) out vec3 outColor;
+
+void main()
+{
+	//const array of positions for the triangle
+	const vec3 positions[3] = vec3[3](
+		vec3(-1.f,1.f, 0.0f),
+		vec3(1.f,1.f, 0.0f),
+		vec3(0.f,-1.f, 0.0f)
+	);
+
+	//const array of colors for the triangle
+	const vec3 colors[3] = vec3[3](
+		vec3(1.0f, 0.0f, 0.0f), //red
+		vec3(0.0f, 1.0f, 0.0f), //green
+		vec3(00.f, 0.0f, 1.0f)  //blue
+	);
+
+	// Load vertex data from device address
+	TriangleVertex v = PushConstants.triangleBuffer.vertices[gl_VertexIndex];
+
+	// output the position of each vertex
+	gl_Position = vec4(v.vertex.xyz, 1.0);
+	outColor = vec3(v.color.xyz);
+}

sandbox/shaders/vkguide_gradient.comp

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+#version 460
+
+//size of a workgroup for compute
+layout (local_size_x = 16, local_size_y = 16) in;
+
+//descriptor bindings for the pipeline
+layout(rgba16f,set = 0, binding = 0) uniform image2D image;
+
+
+void main()
+{
+  ivec2 texelCoord = ivec2(gl_GlobalInvocationID.xy);
+	ivec2 size = imageSize(image);
+
+    if(texelCoord.x < size.x && texelCoord.y < size.y)
+    {
+        vec4 color = vec4(0.0, 0.0, 0.0, 1.0);
+
+        if(gl_LocalInvocationID.x != 0 && gl_LocalInvocationID.y != 0)
+        {
+            color.x = float(texelCoord.x)/(size.x);
+            color.y = float(texelCoord.y)/(size.y);
+        }
+
+        imageStore(image, texelCoord, color);
+    }
+}