feat(vulkan): vulkan 1.4 core with the user interface and the launcher, shaders split into ogl46/vk14 with SPIR-V binaries loaded first

shaders/ogl46/grass.frag

@@ -0,0 +1,43 @@
+#version 460 core
+#define STAGE_FRAGMENT 1
+// grass of the heightmap terrain (opengl46_grass, grass.vert): the blades lit like the rest of the scene
+
+layout(location = 0) in vec3 f_normal;
+layout(location = 3) in vec4 f_pos;
+layout(location = 12) in vec3 f_albedo;
+layout(location = 4) in vec4 f_clip_pos;
+layout(location = 5) in vec4 f_clip_future_pos;
+
+#include "common.glsl"
+
+layout(location = 0) out vec4 out_color;
+layout(location = 1) out vec4 out_motion;
+
+#include "light_common.glsl"
+#include "apply_fog.glsl"
+#include "tonemapping.glsl"
+
+void main()
+{
+	vec3 fragnormal = normalize(f_normal);
+	glossiness = phong_glossiness(6.0);
+	metalic = 0.0;
+	vec3 fragcolor = apply_lights(ambient, fragnormal, f_albedo, 0.0, 0.2, shadow_tone);
+
+	vec4 color = vec4(apply_fog(fragcolor), 1.0);
+	if (POSTFX_ENABLED)
+	{
+		out_color = color;
+	}
+	else
+	{
+		out_color = tonemap(color);
+	}
+	if (MOTIONBLUR_ENABLED)
+	{
+		vec2 a = (f_clip_future_pos.xy / f_clip_future_pos.w) * 0.5 + 0.5;
+		vec2 b = (f_clip_pos.xy / f_clip_pos.w) * 0.5 + 0.5;
+
+		out_motion = vec4(a - b, 0.0f, 0.0f);
+	}
+}