SuperTuxKart 1.5 upstream source (from official release tarball)

2026-06-11 20:04:02 +02:00
commit 2957e51aaa
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+layout(location = 0) in vec4 f_vertex_color;
+layout(location = 1) in vec2 f_uv;
+layout(location = 3) flat in int f_material_id;
+layout(location = 4) in float f_hue_change;
+#ifdef PBR_ENABLED
+layout(location = 5) in vec3 f_normal;
+layout(location = 8) in vec4 f_world_position;
+#endif
+
+layout(location = 0) out vec4 o_color;
+
+#include "utils/sample_mesh_texture.glsl"
+#include "../utils/rgb_conversion.frag"
+#ifdef PBR_ENABLED
+#include "utils/handle_pbr.glsl"
+#include "../utils/encode_normal.frag"
+layout(location = 1) out vec4 o_normal;
+#endif
+
+void main()
+{
+    vec4 tex_color = sampleMeshTexture0(f_material_id, f_uv);
+    if (tex_color.a * f_vertex_color.a < 0.5)
+        discard;
+
+    if (f_hue_change > 0.0)
+    {
+        vec3 old_hsv = rgbToHsv(tex_color.rgb);
+        vec2 new_xy = vec2(f_hue_change, old_hsv.y);
+        vec3 new_color = hsvToRgb(vec3(new_xy.x, new_xy.y, old_hsv.z));
+        tex_color = vec4(new_color.r, new_color.g, new_color.b, tex_color.a);
+    }
+#ifndef PBR_ENABLED
+    vec3 mixed_color = tex_color.xyz * f_vertex_color.xyz;
+    o_color = vec4(mixed_color, 1.0);
+#else
+    vec3 diffuse_color = tex_color.xyz * f_vertex_color.xyz;
+    vec3 normal = normalize(f_normal.xyz);
+    vec3 pbr = sampleMeshTexture2(f_material_id, f_uv).xyz;
+    if (u_deferred)
+    {
+        o_color = vec4(diffuse_color, pbr.z);
+        o_normal.xy = EncodeNormal(normal);
+        o_normal.zw = pbr.xy;
+    }
+    else
+    {
+        o_color = vec4(handlePBR(diffuse_color, pbr, f_world_position, normal),
+            1.0);
+    }
+#endif
+}