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Diffstat (limited to 'drivers/gles3/shaders/stdlib_inc.glsl')
-rw-r--r--drivers/gles3/shaders/stdlib_inc.glsl4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gles3/shaders/stdlib_inc.glsl b/drivers/gles3/shaders/stdlib_inc.glsl
index 2eddf9d479..6cce6c12bd 100644
--- a/drivers/gles3/shaders/stdlib_inc.glsl
+++ b/drivers/gles3/shaders/stdlib_inc.glsl
@@ -1,5 +1,6 @@
-//TODO: only needed by GLES_OVER_GL
+#ifdef USE_GLES_OVER_GL
+// Floating point pack/unpack functions are part of the GLSL ES 300 specification used by web and mobile.
uint float2half(uint f) {
return ((f >> uint(16)) & uint(0x8000)) |
((((f & uint(0x7f800000)) - uint(0x38000000)) >> uint(13)) & uint(0x7c00)) |
@@ -37,6 +38,7 @@ vec2 unpackSnorm2x16(uint p) {
vec2 v = vec2(float(p & uint(0xffff)), float(p >> uint(16)));
return clamp((v - 32767.0) * vec2(0.00003051851), vec2(-1.0), vec2(1.0));
}
+#endif
uint packUnorm4x8(vec4 v) {
uvec4 uv = uvec4(round(clamp(v, vec4(0.0), vec4(1.0)) * 255.0));