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| author | BlueCube3310 <53150244+BlueCube3310@users.noreply.github.com> | 2023-10-04 19:18:40 +0200 |
|---|---|---|
| committer | BlueCube3310 <53150244+BlueCube3310@users.noreply.github.com> | 2023-10-22 15:00:11 +0200 |
| commit | f31371c04e6cbce08ef2d99d7b868ac9aad6c1a1 (patch) | |
| tree | be211373687754476b911cf91381f7d896842da1 /drivers/gles3/shaders | |
| parent | f71f4b80e32f6e98a4cd3cb1c06071223297e8fc (diff) | |
| download | redot-engine-f31371c04e6cbce08ef2d99d7b868ac9aad6c1a1.tar.gz | |
Automatically ensure correct normals in Compatibility renderer
Diffstat (limited to 'drivers/gles3/shaders')
| -rw-r--r-- | drivers/gles3/shaders/scene.glsl | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl index e0f8e83373..f61ec93c6f 100644 --- a/drivers/gles3/shaders/scene.glsl +++ b/drivers/gles3/shaders/scene.glsl @@ -139,6 +139,8 @@ layout(location = 14) in highp vec4 instance_xform2; layout(location = 15) in highp uvec4 instance_color_custom_data; // Color packed into xy, Custom data into zw. #endif +#define FLAGS_NON_UNIFORM_SCALE (1 << 4) + layout(std140) uniform GlobalShaderUniformData { //ubo:1 vec4 global_shader_uniforms[MAX_GLOBAL_SHADER_UNIFORMS]; }; @@ -242,6 +244,8 @@ uniform highp vec3 compressed_aabb_position; uniform highp vec3 compressed_aabb_size; uniform highp vec4 uv_scale; +uniform highp uint model_flags; + /* Varyings */ out highp vec3 vertex_interp; @@ -310,7 +314,14 @@ void main() { #ifdef NORMAL_USED vec3 normal = oct_to_vec3(axis_tangent_attrib.xy * 2.0 - 1.0); #endif - highp mat3 model_normal_matrix = mat3(model_matrix); + + highp mat3 model_normal_matrix; + + if (bool(model_flags & uint(FLAGS_NON_UNIFORM_SCALE))) { + model_normal_matrix = transpose(inverse(mat3(model_matrix))); + } else { + model_normal_matrix = mat3(model_matrix); + } #if defined(NORMAL_USED) || defined(TANGENT_USED) || defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED) |