Add support for creating Vulkan window surfaces.

examples/CMakeLists.txt

@@ -25,6 +25,7 @@ if(SFML_BUILD_GRAPHICS)
         add_subdirectory(joystick)
         add_subdirectory(shader)
         add_subdirectory(island)
+        add_subdirectory(vulkan)
     endif()
 
     if(SFML_OS_WINDOWS)

examples/vulkan/CMakeLists.txt

@@ -0,0 +1,11 @@
+
+set(SRCROOT ${PROJECT_SOURCE_DIR}/examples/vulkan)
+
+# all source files
+set(SRC ${SRCROOT}/Vulkan.cpp)
+
+# define the window target
+sfml_add_example(vulkan GUI_APP
+                 SOURCES ${SRC}
+                 DEPENDS sfml-graphics
+                 RESOURCES_DIR resources)

examples/vulkan/resources/shader.frag

@@ -0,0 +1,16 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(binding = 1) uniform sampler2D texSampler;
+
+layout(location = 0) in vec4 fragColor;
+layout(location = 1) in vec2 fragTexCoord;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    outColor = fragColor * texture(texSampler, fragTexCoord);
+
+    if (outColor.a < 0.5)
+        discard;
+}

examples/vulkan/resources/shader.vert

@@ -0,0 +1,25 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 model;
+    mat4 view;
+    mat4 proj;
+} ubo;
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec4 inColor;
+layout(location = 2) in vec2 inTexCoord;
+
+layout(location = 0) out vec4 fragColor;
+layout(location = 1) out vec2 fragTexCoord;
+
+out gl_PerVertex {
+    vec4 gl_Position;
+};
+
+void main() {
+    gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition, 1.0);
+    fragColor = inColor;
+    fragTexCoord = inTexCoord;
+}