Implement GL_PERSPECTIVE_CORRECTION_HINT.

src/OpenGL/libGLES_CM/Context.cpp

@@ -83,6 +83,7 @@ Context::Context(const egl::Config *config, const Context *shareContext)
     mState.dither = true;
 	mState.shadeModel = GL_SMOOTH;
     mState.generateMipmapHint = GL_DONT_CARE;
+	mState.perspectiveCorrectionHint = GL_DONT_CARE;
 
     mState.lineWidth = 1.0f;
 
@@ -651,6 +652,11 @@ void Context::setGenerateMipmapHint(GLenum hint)
     mState.generateMipmapHint = hint;
 }
 
+void Context::setPerspectiveCorrectionHint(GLenum hint)
+{
+    mState.perspectiveCorrectionHint = hint;
+}
+
 void Context::setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height)
 {
     mState.viewportX = x;
@@ -1052,6 +1058,7 @@ bool Context::getIntegerv(GLenum pname, GLint *params)
     case GL_PACK_ALIGNMENT:                   *params = mState.packAlignment;                 break;
     case GL_UNPACK_ALIGNMENT:                 *params = mState.unpackAlignment;               break;
     case GL_GENERATE_MIPMAP_HINT:             *params = mState.generateMipmapHint;            break;
+	case GL_PERSPECTIVE_CORRECTION_HINT:      *params = mState.perspectiveCorrectionHint;     break;
     case GL_ACTIVE_TEXTURE:                   *params = (mState.activeSampler + GL_TEXTURE0); break;
     case GL_STENCIL_FUNC:                     *params = mState.stencilFunc;                   break;
     case GL_STENCIL_REF:                      *params = mState.stencilRef;                    break;

src/OpenGL/libGLES_CM/Context.h

@@ -221,6 +221,7 @@ struct State
     GLfloat lineWidth;
 
     GLenum generateMipmapHint;
+	GLenum perspectiveCorrectionHint;
 
     GLint viewportX;
     GLint viewportY;
@@ -336,6 +337,7 @@ public:
     void setLineWidth(GLfloat width);
 
     void setGenerateMipmapHint(GLenum hint);
+	void setPerspectiveCorrectionHint(GLenum hint);
 
     void setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height);
 

src/OpenGL/libGLES_CM/libGLES_CM.cpp

@@ -2363,6 +2363,9 @@ void Hint(GLenum target, GLenum mode)
 		case GL_GENERATE_MIPMAP_HINT:
 			context->setGenerateMipmapHint(mode);
 			break;
+		case GL_PERSPECTIVE_CORRECTION_HINT:
+			context->setPerspectiveCorrectionHint(mode);
+			break;
 		default:
 			return error(GL_INVALID_ENUM);
 		}