From 67e5080cb5e9b4db424cbd7b048921936d02e727 Mon Sep 17 00:00:00 2001
From: Duy Tran Khanh <khanhduytran0@users.noreply.github.com>
Date: Tue, 21 Feb 2023 08:02:40 +0700
Subject: [PATCH] tinygl4angle: add VertexAttrib functions

Copy from gl4es:
https://github.com/ptitSeb/gl4es/blob/3b926be6f2fb47a8befd0604e64008db3
e0d779a/src/gl/wrap/gl4eswraps.c#L670-L704
---
 Natives/external/gl4es/tinygl4angle.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/Natives/external/gl4es/tinygl4angle.c b/Natives/external/gl4es/tinygl4angle.c
index da97fddb..0c36a81e 100644
--- a/Natives/external/gl4es/tinygl4angle.c
+++ b/Natives/external/gl4es/tinygl4angle.c
@@ -208,3 +208,29 @@ void glTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei widt
         gles_glTexImage2D(target, level, internalformat, width, height, border, format, type, data);
     }
 }
+
+// VertexArray stuff
+#define THUNK(suffix, type, M2) \
+void  glVertexAttrib1##suffix (GLuint index, type v0) { GLfloat f[4] = {0,0,0,1}; f[0] =v0; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib2##suffix (GLuint index, type v0, type v1) { GLfloat f[4] = {0,0,0,1}; f[0] =v0; f[1]=v1; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib3##suffix (GLuint index, type v0, type v1, type v2) { GLfloat f[4] = {0,0,0,1}; f[0] =v0; f[1]=v1; f[2]=v2; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib4##suffix (GLuint index, type v0, type v1, type v2, type v3) { GLfloat f[4] = {0,0,0,1}; f[0] =v0; f[1]=v1; f[2]=v2; f[3]=v3; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib1##suffix##v (GLuint index, const type *v) { GLfloat f[4] = {0,0,0,1}; f[0] =v[0]; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib2##suffix##v (GLuint index, const type *v) { GLfloat f[4] = {0,0,0,1}; f[0] =v[0]; f[1]=v[1]; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib3##suffix##v (GLuint index, const type *v) { GLfloat f[4] = {0,0,0,1}; f[0] =v[0]; f[1]=v[1]; f[2]=v[2]; glVertexAttrib4fv(index, f); };
+THUNK(s, GLshort, );
+THUNK(d, GLdouble, _D);
+#undef THUNK
+void  glVertexAttrib4dv (GLuint index, const GLdouble *v) { GLfloat f[4] = {0,0,0,1}; f[0] =v[0]; f[1]=v[1]; f[2]=v[2]; f[3]=v[3]; glVertexAttrib4fv(index, f); };
+
+#define THUNK(suffix, type, norm) \
+void  glVertexAttrib4##suffix##v (GLuint index, const type *v) { GLfloat f[4] = {0,0,0,1}; f[0] =v[0]; f[1]=v[1]; f[2]=v[2]; f[3]=v[3]; glVertexAttrib4fv(index, f); }; \
+void  glVertexAttrib4N##suffix##v (GLuint index, const type *v) { GLfloat f[4] = {0,0,0,1}; f[0] =v[0]/norm; f[1]=v[1]/norm; f[2]=v[2]/norm; f[3]=v[3]/norm; glVertexAttrib4fv(index, f); };
+THUNK(b, GLbyte, 127.0f);
+THUNK(ub, GLubyte, 255.0f);
+THUNK(s, GLshort, 32767.0f);
+THUNK(us, GLushort, 65535.0f);
+THUNK(i, GLint, 2147483647.0f);
+THUNK(ui, GLuint, 4294967295.0f);
+#undef THUNK
+void glVertexAttrib4Nub(GLuint index, GLubyte v0, GLubyte v1, GLubyte v2, GLubyte v3) {GLfloat f[4] = {0,0,0,1}; f[0] =v0/255.f; f[1]=v1/255.f; f[2]=v2/255.f; f[3]=v3/255.f; glVertexAttrib4fv(index, f); };