Fix emulated glColor in es2 mode.

libs/rs/rsProgramVertex.cpp

@@ -158,6 +158,8 @@ void ProgramVertex::setupGL2(const Context *rsc, ProgramVertexState *state, Shad
         //return;
     }
 
+    glVertexAttrib4f(1, state->color[0], state->color[1], state->color[2], state->color[3]);
+
     const float *f = static_cast<const float *>(mConstants->getPtr());
 
     Matrix mvp;
@@ -259,6 +261,11 @@ void ProgramVertexState::init(Context *rsc, int32_t w, int32_t h)
     pv->init(rsc);
     pv->bindAllocation(alloc);
 
+    color[0] = 1.f;
+    color[1] = 1.f;
+    color[2] = 1.f;
+    color[3] = 1.f;
+
     updateSize(rsc, w, h);
 }
 

libs/rs/rsProgramVertex.h

@@ -79,6 +79,7 @@ public:
     ObjectBaseRef<Type> mAllocType;
 
 
+    float color[4];
 };
 
 

libs/rs/rsScriptC_Lib.cpp

@@ -842,6 +842,10 @@ static void SC_drawSimpleMeshRange(RsSimpleMesh vsm, uint32_t start, uint32_t le
 static void SC_color(float r, float g, float b, float a)
 {
     GET_TLS();
+    rsc->mStateVertex.color[0] = r;
+    rsc->mStateVertex.color[1] = g;
+    rsc->mStateVertex.color[2] = b;
+    rsc->mStateVertex.color[3] = a;
     if (rsc->checkVersion2_0()) {
         glVertexAttrib4f(1, r, g, b, a);
     } else {