From 9448db5d4af7bba094e5bc51f85e5c2491d3f5a1 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Thu, 6 Oct 2022 18:40:01 -0500 Subject: SL-18190 Water shader WIP. Better parallax correction for sphere probes. Reduce probe memory footprint. Remove framebuffer copies and move to deprecate stencil buffer usage. --- .../newview/app_settings/shaders/class1/deferred/deferredUtil.glsl | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'indra/newview/app_settings/shaders/class1/deferred') diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index 1c2034de69..2ec859fdae 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -179,6 +179,13 @@ vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensi return packedNormalEnvIntensityFlags; } +// get linear depth value given a depth buffer sample d and znear and zfar values +float linearDepth(float d, float znear, float zfar) +{ + d = d * 2.0 - 1.0; + return znear * 2.0 * zfar / (zfar + znear - d * (zfar - znear)); +} + float getDepth(vec2 pos_screen) { float depth = texture2DRect(depthMap, pos_screen).r; -- cgit v1.2.3