GLES1: Fixes for Gets() test

- Fixed wrong face parameter for glGetMaterial*.
- Enabled GL_LINE_SMOOTH capability in state only (no rendering yet)
- Enabled logical operation capability in state only (no rendering yet)
- Fixed wrong handling of GL_RGB/ALPHA_SCALE and
GL_POINT_COORD_REPLACE_OES

Test: Enable and pass Gets() GLES1 conformance test

BUG=angleproject:2306

Change-Id: Ib5c50a2055129b76ad24053baf0dac24dcc00761
Reviewed-on: https://chromium-review.googlesource.com/1176161
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Lingfeng Yang <lfy@google.com>
diff --git a/src/libANGLE/State.cpp b/src/libANGLE/State.cpp
index 2124ce5..e26f7b8 100644
--- a/src/libANGLE/State.cpp
+++ b/src/libANGLE/State.cpp
@@ -819,9 +819,15 @@
         case GL_POINT_SMOOTH:
             mGLES1State.mPointSmoothEnabled = enabled;
             break;
+        case GL_LINE_SMOOTH:
+            mGLES1State.mLineSmoothEnabled = enabled;
+            break;
         case GL_POINT_SPRITE_OES:
             mGLES1State.mPointSpriteEnabled = enabled;
             break;
+        case GL_COLOR_LOGIC_OP:
+            mGLES1State.mLogicOpEnabled = enabled;
+            break;
         default:
             UNREACHABLE();
     }
@@ -919,8 +925,12 @@
             return mGLES1State.mFogEnabled;
         case GL_POINT_SMOOTH:
             return mGLES1State.mPointSmoothEnabled;
+        case GL_LINE_SMOOTH:
+            return mGLES1State.mLineSmoothEnabled;
         case GL_POINT_SPRITE_OES:
             return mGLES1State.mPointSpriteEnabled;
+        case GL_COLOR_LOGIC_OP:
+            return mGLES1State.mLogicOpEnabled;
         default:
             UNREACHABLE();
             return false;
@@ -2444,6 +2454,26 @@
         case GL_SHADE_MODEL:
             *params = ToGLenum(mGLES1State.mShadeModel);
             break;
+        case GL_MODELVIEW_STACK_DEPTH:
+        case GL_PROJECTION_STACK_DEPTH:
+        case GL_TEXTURE_STACK_DEPTH:
+            *params = mGLES1State.getCurrentMatrixStackDepth(pname);
+            break;
+        case GL_LOGIC_OP_MODE:
+            *params = ToGLenum(mGLES1State.mLogicOp);
+            break;
+        case GL_BLEND_SRC:
+            *params = mBlend.sourceBlendRGB;
+            break;
+        case GL_BLEND_DST:
+            *params = mBlend.destBlendRGB;
+            break;
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+        case GL_POINT_SMOOTH_HINT:
+        case GL_LINE_SMOOTH_HINT:
+        case GL_FOG_HINT:
+            *params = mGLES1State.getHint(pname);
+            break;
         default:
             UNREACHABLE();
             break;