From a39e5a0bc8df00d79773a0cc3318125c736028e4 Mon Sep 17 00:00:00 2001 From: Dan Goodliffe Date: Sun, 21 Jul 2024 01:44:42 +0100 Subject: Pull material detail function into a common file --- gfx/gl/shaders/materialDetail.glsl | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 gfx/gl/shaders/materialDetail.glsl (limited to 'gfx/gl/shaders/materialDetail.glsl') diff --git a/gfx/gl/shaders/materialDetail.glsl b/gfx/gl/shaders/materialDetail.glsl new file mode 100644 index 0000000..05cf2c7 --- /dev/null +++ b/gfx/gl/shaders/materialDetail.glsl @@ -0,0 +1,14 @@ +layout(binding = 1) uniform usampler2DRect materialData; + +MaterialDetail +getMaterialDetail(uint midx) +{ + if (midx > 0u) { + const vec4 sPosSize = texture(materialData, uvec2(0, midx - 1u)); + const uvec4 sMode = texture(materialData, uvec2(1, midx - 1u)); + const uint mapmodeU = sMode.x & 0xFu; + const uint mapmodeV = (sMode.x & 0xF0u) >> 1; + return MaterialDetail(sPosSize.xy, sPosSize.zw, uvec2(mapmodeU, mapmodeV)); + } + return MaterialDetail(vec2(0, 0), vec2(0, 0), uvec2(0, 0)); +} -- cgit v1.2.3