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authorDan Goodliffe <dan@randomdan.homeip.net>2024-09-23 20:12:48 +0100
committerDan Goodliffe <dan@randomdan.homeip.net>2024-09-23 20:12:48 +0100
commitdbbfd39eef3b4d063ab7cdeb8d139b1bc11ba72c (patch)
tree0a880b2d14ac152014649d32088b73f17bf77297 /gfx/gl/shaders/shadowDynamicPointStencil.fs
parentMerge branch 'sunpos' (diff)
parentPopulate all layers of shadow stencil with view from all around (diff)
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Psycho-rebased branch billboard-shadows on top of main
Diffstat (limited to 'gfx/gl/shaders/shadowDynamicPointStencil.fs')
-rw-r--r--gfx/gl/shaders/shadowDynamicPointStencil.fs16
1 files changed, 16 insertions, 0 deletions
diff --git a/gfx/gl/shaders/shadowDynamicPointStencil.fs b/gfx/gl/shaders/shadowDynamicPointStencil.fs
new file mode 100644
index 0000000..e612691
--- /dev/null
+++ b/gfx/gl/shaders/shadowDynamicPointStencil.fs
@@ -0,0 +1,16 @@
+#version 330 core
+#extension GL_ARB_shading_language_420pack : enable
+
+layout(binding = 0) uniform sampler2DArray stencilDepth;
+flat in vec3 scale;
+in vec3 texCoord;
+
+void
+main()
+{
+ float stDepth = texture(stencilDepth, texCoord).r;
+ if (stDepth >= 1) {
+ discard;
+ }
+ gl_FragDepth = gl_FragCoord.z + (stDepth * scale.z);
+}