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path: root/gfx/gl/shaders/getMaterialDetail.glsl
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Diffstat (limited to 'gfx/gl/shaders/getMaterialDetail.glsl')
-rw-r--r--gfx/gl/shaders/getMaterialDetail.glsl12
1 files changed, 12 insertions, 0 deletions
diff --git a/gfx/gl/shaders/getMaterialDetail.glsl b/gfx/gl/shaders/getMaterialDetail.glsl
new file mode 100644
index 0000000..f819fb2
--- /dev/null
+++ b/gfx/gl/shaders/getMaterialDetail.glsl
@@ -0,0 +1,12 @@
+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));
+}