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Backport spatial shader built-ins

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Backport of this PR: https://github.com/godotengine/godot/pull/63597
This adds these as new Built-Ins to Spatial Shaders
* Object's Position in World Space
* Camera Position in World Space
* Camera Direction in World Space
* Object's Position in View Space
This commit is contained in:
Patrick Exner
2022-08-05 20:41:07 +02:00
parent ef7502e1d4
commit be3d331f26
5 changed files with 32 additions and 0 deletions
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4
drivers/gles3/shader_compiler_gles3.cpp
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@@ -1216,6 +1216,10 @@ ShaderCompilerGLES3::ShaderCompilerGLES3() {
actions[VS::SHADER_SPATIAL].renames["DEPTH"] = "gl_FragDepth";
actions[VS::SHADER_SPATIAL].renames["ALPHA_SCISSOR"] = "alpha_scissor";
actions[VS::SHADER_SPATIAL].renames["OUTPUT_IS_SRGB"] = "SHADER_IS_SRGB";
actions[VS::SHADER_SPATIAL].renames["NODE_POSITION_WORLD"] = "world_transform[3].xyz";
actions[VS::SHADER_SPATIAL].renames["CAMERA_POSITION_WORLD"] = "camera_matrix[3].xyz";
actions[VS::SHADER_SPATIAL].renames["CAMERA_DIRECTION_WORLD"] = "camera_inverse_matrix[3].xyz";
actions[VS::SHADER_SPATIAL].renames["NODE_POSITION_VIEW"] = "(world_transform * camera_inverse_matrix)[3].xyz";
//for light
actions[VS::SHADER_SPATIAL].renames["VIEW"] = "view";