GLSL: implement transpose() in GLSL 1.10 / ES 1.00

1 files changed, 10 insertions, 1 deletions

diff --git a/reference/opt/shaders/legacy/vert/transpose.legacy.vert b/reference/opt/shaders/legacy/vert/transpose.legacy.vert
index d405ba70..0f9b97a6 100644
--- a/reference/opt/shaders/legacy/vert/transpose.legacy.vert
+++ b/reference/opt/shaders/legacy/vert/transpose.legacy.vert
@@ -13,8 +13,17 @@ attribute vec4 Position;
 
 mat4 SPIRV_Cross_workaround_load_row_major(mat4 wrap) { return wrap; }
 
+mat4 SPIRV_Cross_Transpose(mat4 m)
+{
+    return mat4(m[0][0], m[1][0], m[2][0], m[3][0], m[0][1], m[1][1], m[2][1], m[3][1], m[0][2], m[1][2], m[2][2], m[3][2], m[0][3], m[1][3], m[2][3], m[3][3]);
+}
+
 void main()
 {
-    gl_Position = (((SPIRV_Cross_workaround_load_row_major(_13.M) * (Position * _13.MVPRowMajor)) + (SPIRV_Cross_workaround_load_row_major(_13.M) * (SPIRV_Cross_workaround_load_row_major(_13.MVPColMajor) * Position))) + (SPIRV_Cross_workaround_load_row_major(_13.M) * (_13.MVPRowMajor * Position))) + (SPIRV_Cross_workaround_load_row_major(_13.M) * (Position * SPIRV_Cross_workaround_load_row_major(_13.MVPColMajor)));
+    mat4 _55 = _13.MVPRowMajor;
+    mat4 _61 = SPIRV_Cross_workaround_load_row_major(_13.MVPColMajor);
+    mat4 _80 = SPIRV_Cross_Transpose(_13.MVPRowMajor) * 2.0;
+    mat4 _87 = SPIRV_Cross_Transpose(_61) * 2.0;
+    gl_Position = (((((((((((SPIRV_Cross_workaround_load_row_major(_13.M) * (Position * _13.MVPRowMajor)) + (SPIRV_Cross_workaround_load_row_major(_13.M) * (SPIRV_Cross_workaround_load_row_major(_13.MVPColMajor) * Position))) + (SPIRV_Cross_workaround_load_row_major(_13.M) * (_13.MVPRowMajor * Position))) + (SPIRV_Cross_workaround_load_row_major(_13.M) * (Position * SPIRV_Cross_workaround_load_row_major(_13.MVPColMajor)))) + (_55 * Position)) + (Position * _61)) + (Position * _55)) + (_61 * Position)) + (_80 * Position)) + (_87 * Position)) + (Position * _80)) + (Position * _87);
 }